WO2022163749A1 - 撮像装置 - Google Patents
撮像装置 Download PDFInfo
- Publication number
- WO2022163749A1 WO2022163749A1 PCT/JP2022/003044 JP2022003044W WO2022163749A1 WO 2022163749 A1 WO2022163749 A1 WO 2022163749A1 JP 2022003044 W JP2022003044 W JP 2022003044W WO 2022163749 A1 WO2022163749 A1 WO 2022163749A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- windowpane
- window glass
- imaging device
- transparent plate
- imaging
- Prior art date
Links
- 238000003384 imaging method Methods 0.000 title claims abstract description 159
- 239000005357 flat glass Substances 0.000 claims abstract description 94
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 97
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 113
- 239000010410 layer Substances 0.000 description 70
- 238000004891 communication Methods 0.000 description 37
- 238000012545 processing Methods 0.000 description 17
- 239000002585 base Substances 0.000 description 13
- 238000002834 transmittance Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 239000000853 adhesive Substances 0.000 description 9
- 230000001070 adhesive effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 230000006399 behavior Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- -1 for example Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000005388 borosilicate glass Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000005404 monopole Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- ZRHANBBTXQZFSP-UHFFFAOYSA-M potassium;4-amino-3,5,6-trichloropyridine-2-carboxylate Chemical compound [K+].NC1=C(Cl)C(Cl)=NC(C([O-])=O)=C1Cl ZRHANBBTXQZFSP-UHFFFAOYSA-M 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 229910020010 Nb—Si Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 239000005344 low-emissivity glass Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000005322 wire mesh glass Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/51—Housings
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
- G03B17/561—Support related camera accessories
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
Definitions
- the present invention relates to imaging devices.
- a surveillance camera equipped with camera cases, lens housing covers, and front glass.
- the surveillance camera is installed at a high place outdoors with its obliquely downward facing direction.
- a surveillance camera includes a sewage guide groove that guides sewage such as rainwater in a direction away from the lens housing cover and the front glass (see, for example, Patent Document 1).
- the purpose is to provide an imaging device that is difficult to see.
- An imaging device includes an imaging unit that is installed inside a windowpane of a building and that images an image of the outside of the windowpane through the windowpane; and a fixing portion to be fixed.
- FIG. 2 is a diagram showing an arrangement example of an imaging device 100;
- FIG. FIG. 2A is a plan view of the imaging unit 100A, and
- FIGS. 2B, 2C, and 2D are diagrams showing the AA arrow cross section, the BB arrow cross section, and the CC arrow cross section, respectively, in FIG. 2A. be.
- 3 is a diagram showing a state in which the imaging unit 100A' is attached to the windowpane 20.
- FIG. It is a figure showing image pick-up unit 100A1 of the 1st modification. It is a figure showing image pick-up unit 100A2 of the 2nd modification.
- FIG. 11 is a diagram showing an imaging unit 100A3 of a third modified example; It is a figure showing image pick-up unit 100A4 of the 4th modification.
- the X-axis direction, Y-axis direction, and Z-axis direction represent directions parallel to the X-axis, directions parallel to the Y-axis, and directions parallel to the Z-axis, respectively.
- the X-axis direction, the Y-axis direction, and the Z-axis direction are orthogonal to each other.
- the XY plane, YZ plane, and ZX plane are virtual planes parallel to the X-axis direction and Y-axis direction, virtual planes parallel to the Y-axis direction and Z-axis direction, and virtual planes parallel to the Z-axis direction and X-axis direction, respectively.
- FIG. 1 is a diagram showing an arrangement example of the imaging device 100.
- the imaging device 100 has an imaging unit 100A and a processing unit 100B.
- the imaging unit 100A is installed and used so as to face the indoor surface of the windowpane 20 of the building 10 .
- Building 10 is an example of a building.
- the processing unit 100B is installed behind the ceiling 30 of the building 10 and connected to the imaging unit 100A via cables 100C1 and 100C2.
- the Y-axis direction and Z-axis direction are substantially parallel to a direction parallel to the horizontal plane (horizontal direction), and the X-axis direction is substantially parallel to a vertical direction perpendicular to the horizontal plane.
- the processing unit 100B may be installed on the wall or the floor.
- the window glass 20 may be attached to a structure other than the building 10.
- the structures other than the building 10 are, for example, civil engineering structures such as bridge piers, bridges, or dams, historical structures, or artistic structures.
- the windowpane 20 is a glass plate used for windows of structures such as the building 10 and the like.
- the glazing 20 may be a glass facade such as at the entrance of the building 10 .
- the windowpane 20 is, for example, rectangular in plan view, and has an outer surface of the building 10 and an inner surface of the building 10 .
- the inside of the building 10 is the indoor side of the building 10 .
- the thickness of the windowpane 20 is set according to the specifications of the building 10 .
- the rectangular shape includes not only rectangles and squares, but also shapes obtained by chamfering the corners of rectangles and squares.
- the shape of the window glass in plan view is not limited to a rectangular shape, and other shapes such as a circular shape may be used.
- the window glass 20 is not limited to a single plate, and may be laminated glass or multi-layer glass. Also, the window glass 20 may be Low-e glass, light control glass, or glass containing a linear member.
- window glass 20 examples include soda lime silica glass, borosilicate glass, aluminosilicate glass, and alkali-free glass.
- the thickness of the window glass 20 is preferably 1.0 to 20 mm. If the thickness of the window glass 20 is 1.0 mm or more, it has sufficient strength for attaching the imaging unit 100A. Also, if the thickness of the window glass is 20 mm or less, radio wave transmission performance is good. The thickness of the window glass is more preferably 3.0 to 15 mm, still more preferably 9.0 to 13 mm.
- the reflectance of the outer surface of the window glass 20 is, for example, 5% or more.
- the reflectance is the visible light reflectance defined in JIS R 3106:1998.
- the window glass 20 has a visible light transmittance (TVA) of, for example, 30% to 98% based on the standard A light source specified in JIS R 3106:1998.
- the TVA of the window glass 20 is preferably 50% or more, more preferably 70% or more, still more preferably 75% or more, and particularly preferably 80% or more.
- the TVA of the window glass 20 is preferably 95% or less, more preferably 92% or less, even more preferably 90% or less, and particularly preferably 85% or less.
- the imaging unit 100A is a device that is attached to the indoor side of the windowpane 20 of the building 10 and has a glass plate 110, a camera 120, and an antenna 150.
- the glass plate 110 is an example of a transparent plate.
- the camera 120 is an example of an imaging unit, and can capture moving images and still images. 1, the schematic configuration and functions of the imaging apparatus 100 will be described, and the detailed configuration of the imaging unit 100A will be described later with reference to FIGS. 2 to 4.
- the processing unit 100B has an image processing device 100B1 and a wireless communication device 100B2.
- the image processing device 100B1 is connected to the camera 120 via a cable 100C1, and is also connected to a server in the building 10 via a cable 100D.
- the image processing device 100B1 performs image processing on data representing an image captured by the camera 120, and stores the image data that has undergone the image processing in an internal memory. Also, the image processing apparatus 100B1 transmits the image data stored in the internal memory to the server via the cable 100D.
- the cable 100D may be a cable with a small transmission capacity.
- the wireless communication device 100B2 is connected to the antenna 150 via the cable 100C2.
- the wireless communication device 100B2 performs data communication via the antenna 150.
- the processing unit 100B receives power supply from the power system of the building 10 via the power cable 100E. Note that the processing unit 100B may be supplied with power from the power supply system of the building 10 in a non-contact manner without using the power cable 100E.
- the imaging device 100 captures an image of a subject outside the windowpane 20 through the windowpane 20 with the camera 120 .
- the subject is, for example, the scenery seen through the windowpane 20 (everything seen through the windowpane 20), and the scenery is, for example, roads, sidewalks, passages, intersections, entrances and exits of buildings 10, ticket gates and entrances of stations, and the like. and may include people, vehicles, and the like.
- the camera 120 is an infrared camera, an infrared image may be captured.
- Information captured by the imaging device 100 may be used for digital twin computing.
- Such an imaging device 100 can be used for various purposes, and the uses are not limited.
- the imaging device 100 can use an image obtained by imaging a subject outside the windowpane 20 of the building 10 for various purposes.
- a form in which the imaging device 100 is used as a surveillance camera for security will be described. Since the imaging unit 100A is arranged to face the surface of the windowpane 20 on the indoor side, it is difficult to see from the outside of the windowpane 20 due to reflection. Therefore, use as a monitoring camera is an example of a suitable use of the imaging device 100 .
- the height of the position where the imaging unit 100A is attached to the windowpane 20 is preferably higher than the height of an average person from the viewpoint of being able to see the area to be monitored well.
- the height at which the imaging unit 100A is attached to the windowpane 20 is preferably 2 m or more. If the height at which the image pickup unit 100A is attached to the window glass 20 is 2 m or more, it is difficult for a person to be monitored to visually recognize the image pickup unit 100A.
- the height at which the imaging unit 100A is attached to the window glass 20 may be 3 m or more, 4 m or more, or 5 m or more.
- the upper limit of the height at which the imaging unit 100A is attached to the window glass 20 is not particularly limited, but may be 30 m or less, 20 m or less, or 10 m or less.
- the height of the position where the imaging unit 100A is attached to the window glass 20 As an example, the height at which an appropriate image can be captured in consideration of the range that can be captured by the angle of view of the camera 120, the distance to the subject, etc. should be set to
- the upper limit of the height of the position where the imaging unit 100A is attached to the windowpane 20 is the height of the upper edge of the highest windowpane 20 among the windowpane 20 existing in the building 10 .
- the height of the imaging unit 100A may be defined as the height from a reference plane parallel to the horizontal plane (for example, ground, floor, or virtual plane). Also, the height of the imaging unit 100A may be the height of the lens of the camera 120 .
- the imaging device 100 can perform wireless communication with the antenna 150 .
- the image pickup unit 100A of the image pickup apparatus 100 may be configured without the antenna 150, but a configuration in which the image pickup unit 100A has the antenna 150 will be described here.
- the Low-e glass may have the following configuration.
- Low-e glass is also called low-emissivity glass, and may be one in which a coating layer (transparent conductive film) having a heat ray reflecting function is coated on the indoor surface.
- the coating layer may have openings in order to suppress deterioration in radio wave transmission performance. It is preferable that the opening be positioned to face at least a portion of a plurality of radiating elements, which will be described later.
- the opening may be patterned. Patterning is to leave a coating layer in a grid pattern, for example. Only part of the opening may be patterned.
- a linear member such as a metal is arranged inside the glass.
- the linear member may be mesh-like, and glass containing linear members is also referred to as wired glass.
- the imaging device 100 may use the antenna 150 to wirelessly communicate with a communication device or the like located outside the windowpane 20 or wirelessly communicate with a communication device or the like located inside the windowpane 20 .
- the communication device may be, for example, a smart phone, tablet computer, game console, or other electronic device with communication capabilities.
- Wireless communication performed with a communication device or the like existing outside or inside the window glass 20 is, for example, the fifth generation mobile communication system (5G: Fifth Generation), the fourth generation mobile communication system (4G: Fourth Generation), IEEE802.11ac It may be communication using a LAN (Local Area Network) such as Bluetooth (registered trademark) or the like.
- the imaging device 100 may detect the positional information of a person who is a subject and use it for beamforming control in 5G communication.
- the wireless communication device 100B2 and the antenna 150 are, for example, a wireless base station for 5G or 4G, a public wireless LAN spot that provides connection to the Internet using a wireless LAN, or data communication using Bluetooth (registered trademark). It can be used as a public mobile spot or the like that provides an area where Also, the wireless communication device 100B2 and the antenna 150 may transmit image data captured by the camera 120 and subjected to image processing by the image processing device 100B1 to a communication device located outside or inside the window glass 20.
- the radio communication device 100B2 is connected to the baseband unit.
- the baseband unit is a device that performs communication control of 5G communication, and may be configured with a general-purpose server. Also, the general-purpose server not only has baseband unit functions, but may also be used for edge computing.
- the antenna 150 may be, for example, an antenna capable of transmitting and receiving radio waves in a high frequency band (for example, 0.3 GHz to 300 GHz) such as microwaves including millimeter waves. Also, a plurality of antennas 150 may be provided. When multiple antennas 150 are provided, for example, multiple imaging units 100A may be connected to one wireless communication device 100B2.
- FIG. 2 is a diagram showing the imaging unit 100A.
- the imaging unit 100A has a glass plate 110, a camera 120, a mounting section 130, and an antenna 150. As shown in FIG.
- the glass plate 110 and the mounting portion 130 are an example of a fixing portion.
- FIG. 2A shows the imaging unit 100A in plan view.
- 2B, 2C, and 2D show cross sections taken along line A--A, line BB, and line C--C in FIG. 2A, respectively.
- the glass plate 110 is a transparent (colorless and transparent) plate-shaped member made of glass that is rectangular in plan view.
- the glass plate 110 is fixed to the inner surface of the window glass 20 by two mounting portions 130 .
- the glass plate 110 may not be transparent, but it is transparent from the viewpoint of making the imaging unit 100A inconspicuous from the outside of the windowpane 20 and from the viewpoint of not obstructing the view of the windowpane 20 from the inside of the building 10.
- the term "transparent” also includes translucent, and for example, the visible light transmittance (TVA) based on the standard A light source specified in JIS R 3106:1998 is 20% or more, preferably 50% or more. , more preferably 70% or more.
- the glass plate 110 has a hole 111 penetrating in the Z direction at approximately the center of the length in the Y direction.
- the shape of the opening of the hole 111 is matched to the outer shape of the camera 120 housed therein, and is rectangular as an example.
- the hole 111 is an example of an accommodation portion that accommodates the camera 120 .
- the hole 111 may be configured to accommodate at least part of the camera 120 . That is, for example, a portion of camera 120 may protrude from hole 111 .
- the camera 120 is a camera capable of capturing digital images of moving images and still images.
- a CMOS Complementary Metal Oxide Semiconductor
- a CCD Charge Coupled Device
- Camera 120A a camera including an image sensor using Camera 120 has lens 120A.
- the camera 120 is fixed inside the hole 111 with the lens 120A facing the window glass 20 . This is for capturing an image of a subject outside the window glass 20 .
- Camera 120 may or may not have a telephoto capability. If the camera 120 does not have a telephoto function, the camera 120 can be inexpensive, so the imaging apparatus 100 can be manufactured at low cost.
- the size of the camera 120 in plan view is, for example, 2 mm to 200 mm (Y direction) x 2 mm to 200 mm (Z direction), more preferably 5 mm to 50 mm (Y direction) x 5 mm to 50 mm (Z direction). be.
- the planar view size of the camera 120 is the planar view size of the housing of the camera 120 . This is because the entire housing of the camera 120 is visible through the window glass 20 .
- the camera 120 is connected to the cable 100C1 (see FIG. 1) via a wiring 121 provided on the surface of the glass plate 110 on the +Z direction side.
- the wiring 121 is simply shown as a single line, but actually a plurality of wirings 121 are provided.
- the plurality of wirings 121 includes wirings for transmitting image data, wirings for control of switching on/off of the camera 120, and wirings for power supply.
- the cable 100C1 also includes wiring for transmitting image data, wiring for controlling ON/OFF of the camera 120, and wiring for power supply.
- the wiring 121 is, for example, wiring composed of a mesh-like metal layer provided on the surface of the glass plate 110 on the +Z direction side.
- the mesh-shaped metal layer is made of copper as an example.
- the wiring 121 can be made to have optical transparency.
- the imaging unit 100A can be made inconspicuous from the outside of the windowpane 20, and the view of the windowpane 20 from inside the building 10 can be prevented from being obstructed.
- a method for forming the wiring 121 a known method can be used, for example, a sputtering method, a vapor deposition method, or the like can be used.
- the mesh refers to the wire 121 having mesh-like through holes in a plan view.
- the line width of the mesh is preferably 0.1 ⁇ m to 30 ⁇ m, more preferably 0.2 ⁇ m to 15 ⁇ m.
- the line spacing of the mesh is preferably 5 ⁇ m to 500 ⁇ m, more preferably 10 ⁇ m to 300 ⁇ m.
- the opening shape of the through holes of the mesh may be polygonal, rectangular, hexagonal, rhomboid, or the like.
- the attachment portions 130 are attached to both ends in the Y direction of the +Z direction side surface of the glass plate 110 and extend in the X direction.
- the mounting portion 130 is a member for fixing the glass plate 110 to the inner surface of the window glass 20 .
- the mounting portion 130 is preferably transparent (colorless and transparent).
- Such an attachment portion 130 may be made of, for example, resin such as acrylic resin or polycarbonate resin, or glass. If the mounting portion 130 is not transparent, the mounting portion 130 may be made of rubber such as butyl rubber.
- any method may be used to attach the attachment portion 130 to the glass plate 110, but as an example, it may be attached to the glass plate 110 with an adhesive, double-sided tape, or the like.
- the mounting portion 130 may be molded integrally with the glass plate 110 .
- any method may be used to attach the attachment portion 130 to the windowpane 20, as an example, it may be attached to the windowpane 20 with an adhesive, double-sided tape, or the like.
- the glass plate 110 and the mounting portion 130 are transparent (colorless and transparent), it is preferable that the adhesive and the double-sided tape are also transparent.
- the antenna 150 is provided on the surface of the glass plate 110 on the +Z direction side, on the -X direction side of the hole 111, and substantially at the center of the length in the Y direction.
- the antenna 150 may be, for example, an antenna capable of transmitting and receiving radio waves in a high frequency band, and may be various types of antennas such as patch antennas, monopole antennas, and dipole antennas.
- the antenna 150 since the imaging device 100 has a function as a wireless base station for 5G communication, the antenna 150 may have a plurality of antenna elements capable of outputting beams by beamforming.
- the antenna 150 is provided on the surface of the glass plate 110 on the +Z direction side. This is because 5G communication is performed with, etc.
- the antenna 150 is provided on the +Z direction side surface of the glass plate 110 so that the antenna 150 has directivity toward the outside of the window glass 20 . Therefore, when the antenna 150 is used for communication inside the building 10, the antenna 150 may be provided on the surface of the glass plate 110 on the -Z direction side.
- the antenna 150 is an antenna having an antenna element and a ground layer, such as a patch antenna or a monopole antenna
- the antenna element is provided on the surface of the glass plate 110 on the +Z direction side
- the ground layer is made of glass. It may be provided on the surface of the plate 110 on the ⁇ Z direction side. This is so that the antenna 150 has directivity toward the outside of the window glass 20 .
- the antenna element is placed on the surface of the glass plate 110 on the -Z direction side so that the antenna 150 has directivity toward the inside of the building 10.
- the ground layer may be provided on the surface of the glass plate 110 on the +Z direction side.
- the antenna 150 is connected to the cable 100C2 (see FIG. 1) via a wiring 151 provided on the surface of the glass plate 110 on the +Z direction side.
- the wiring 151 is simplified and shown by one line, but the number of wirings 151 is provided according to the number of antenna elements included in the antenna 150 and the presence or absence of the ground layer.
- the antenna 150 is shown to be thicker than the wiring 151 so that the boundary between the antenna 150 and the wiring 151 can be seen.
- the antenna 150 and wiring 151 are, for example, made up of a mesh-shaped metal layer.
- the mesh-shaped metal layer is made of copper as an example.
- the antenna 150 and the wiring 151 can have light transmittance.
- the imaging unit 100A can be made inconspicuous from the outside of the windowpane 20, and the view of the windowpane 20 from inside the building 10 can be prevented from being obstructed.
- the line width of the mesh of the antenna 150 and the wiring 151 , the line spacing, and the opening shape of the through holes may be the same as those of the wiring 121 .
- a known method such as a sputtering method or an evaporation method can be used.
- the antenna 150 and wiring 151 may be made of a transparent conductive film. By forming the antenna 150 and the wiring 151 using a transparent conductive film, the antenna 150 and the wiring 151 can have light transmittance.
- transparent conductive films include indium tin oxide (ITO), fluorine-added tin oxide (FTO), indium zinc oxide (IZO), indium tin oxide doped with silicon oxide (ITSO), and zinc oxide (ZnO). , or a light-transmitting conductive material such as a Si compound containing P or B can be used.
- the glass plate 110 may be provided with a protective material that protects the antenna 150, the wiring 151, and the ground layer.
- the protective material may be provided on the +Z direction side surface of the glass plate 110 on which the antenna 150 and the wiring 151 are provided, or may be provided on the ⁇ Z direction side surface of the glass plate 110 on which the ground layer is provided.
- the protective material is adhered and laminated to the glass plate 110 via an intermediate film such as polyvinyl butyral or ethylene vinyl acetate.
- the protective material may be adhered to the glass plate 110 by using other adhesives such as an optically transparent adhesive, without being limited to the intermediate film.
- the thickness of the intermediate film when using the intermediate film is, for example, 0.37 mm.
- an intermediate film or other adhesive such as an optically transparent adhesive may contain an ultraviolet absorber. By containing the ultraviolet absorber, deterioration of the antenna 150, the wiring 151, and the ground layer can be prevented.
- the protective material for example, glass such as soda-lime glass, non-alkali glass, borosilicate glass, resin such as polyethylene terephthalate (PET) and polyethylene, glass-resin composite (for example, fiber-reinforced plastic), or ceramics can be applied.
- the protective material can prevent the antenna 150, the wiring 151, and the ground layer from being deteriorated by ultraviolet rays, humidity (water vapor), and water, and being damaged and destroyed by mechanical contact.
- the thickness of the protective material is, for example, 0.05 mm to 5.0 mm.
- FIG. 3 is a diagram showing the imaging unit 100A'.
- An imaging unit 100A' shown in FIG. 3 has a configuration in which a low refractive index layer 140 is added to the imaging unit 100A shown in FIG. 2A.
- the low refractive index layer 140 is provided on the surface of the glass plate 110 on the +Z direction side so as to cover the openings of the holes 111 .
- the low refractive index layer 140 is attached to the surface of the glass plate 110 on the +Z direction side with an adhesive, double-sided tape, or the like.
- the low refractive index layer 140 only needs to cover at least the openings of the holes 111 and may be provided on the entire surface of the glass plate 110 on the +Z direction side.
- the imaging unit 100A' is attached to the inner surface of the window glass 20, there is a gap between the low refractive index layer 140 and the inner surface of the window glass 20, and air exists in this gap. .
- the low refractive index layer 140 may be provided so as to fill the space between the glass plate 110 and the windowpane 20 so that such a gap does not occur.
- the low refractive index layer 140 since the low refractive index layer 140 only needs to be provided between the glass plate 110 and the window glass 20, it is not limited to being provided on the surface of the glass plate 110 on the +Z direction side.
- the low refractive index layer 140 may be held between the two mounting portions 130 while being spaced from the glass plate 110 in the Z direction.
- the low refractive index layer 140 may be attached to the inner surface of the window glass 20 .
- the low refractive index layer 140 has a refractive index lower than that of the window glass 20 . Also, the refractive index of the low refractive index layer 140 is preferably a value greater than one. Since the refractive index of the low refractive index layer 140 is greater than 1 and lower than that of the window glass 20, reflection of light propagating in the air can be suppressed at the interface with the air having a refractive index of 1. A clear image can be captured by the camera 120 .
- the low refractive index layer 140 for example, a liquid crystal whose refractive index changes depending on the applied voltage can be used.
- Liquid crystal is an example of a variable refractive index layer with a variable refractive index.
- the refractive index of the low refractive index layer 140 may be optimized by adjusting the voltage applied to the low refractive index layer 140 according to the refractive index of the window glass 20 .
- crystallized glass whose refractive index changes depending on the applied voltage may be used as the low refractive index layer 140.
- a high refractive index layer having a higher refractive index than the windowpane 20 is attached to the inner or outer surface of the windowpane 20. good too. This is because the effect of increasing the refractive index of the windowpane 20 is obtained, making it difficult to see the inside from the outside of the windowpane 20 . This is to make it difficult to see the camera 120 from the outside of the windowpane 20 by increasing the reflectance for the light incident from the outside of the windowpane 20 .
- a high refractive index layer for example, a sheet-like member made of a resin capable of realizing an optical waveguide such as an optical fiber can be used.
- the high refractive index layer may be a sheet-like member having a reflectance (for example, 40% to 70%) that makes the windowpane 20 a half mirror (partially reflective mirror) when viewed from the outside.
- a heat ray reflective film and high refractive index glass can be used as the high refractive index layer.
- the high-refractive-index glass for example, La-B system, Nb-Si system, SiO 2 system, and P 2 O 5 system optical glass can be used.
- the high refractive index layer may be provided on the entire windowpane 20, or may be provided only on the region overlapping the imaging unit 100A when viewed from the outside of the windowpane 20.
- the reason why it is desired to increase the refractive index is that only the area overlapping the imaging unit 100A when viewed from the outside of the window glass 20 is used. Also, it is more difficult to impair the design of the window glass 20 by providing the high refractive index layer only in the region overlapping with the imaging unit 100A.
- the inner surface of the window glass 20 may be less conspicuous than the outer surface.
- an anti-fogging film may be provided at least in the area of the windowpane 20 that overlaps with the imaging unit 100A when viewed from the outside.
- the anti-fogging film may be provided on one side of the window glass 20 .
- the anti-fogging film preferably contains, for example, a water-absorbing polymer or a hydrophilic polymer, and achieves high water-absorbing properties.
- the anti-fogging film may be attached to the windowpane 20 via a film having an adhesive layer. If the windowpane 20 is provided with an anti-fogging film, it is possible to suppress the occurrence of dew condensation and acquire a clear image with the camera 120 .
- FIG. 4 is a diagram showing a state in which the imaging unit 100A' is attached to the windowpane 20.
- FIG. 4 the imaging unit 100A' is shown in a cross section corresponding to FIG. 2D, and the window glass 20 is also shown in a cross section at a position corresponding to the cross section of the imaging unit 100A'.
- Pane 20 has an outer surface 20A and an inner surface 20B.
- the imaging unit 100A' is fixed to the surface 20B near the upper end of the window glass 20.
- the imaging unit 100A' is fixed to the surface 20B of the windowpane 20 by fixing the mounting portion 130 to the surface 20B.
- the range of the angle of view of the camera 120 on the XZ plane is indicated by two dashed lines. The angle of view corresponds to the field of view of camera 120 .
- the visible light transmittance from the outer surface 20A of the window glass 20 to the camera 120 is 60% to 90% based on the standard A light source specified in JIS R 3106:1998. do it. Visible light transmittance is preferably 40% or more, more preferably 50% or more, and even more preferably 60% or more. Also, the visible light transmittance is preferably 80% or less, more preferably 70% or less. This is because by setting the visible light transmittance in this way, the camera 120 can obtain a good image of the subject outside the window glass 20 .
- the imaging unit 100A attached to the inside of the windowpane 20 in this way, even if a person sees from the outside of the windowpane 20, the surface 20A outside the windowpane 20 shows the image of the person in front of the windowpane 20. Since the surrounding scenery is reflected, the imaging unit 100A is difficult to see, and the camera 120 is difficult to notice. Also, the camera 120 covered with the low refractive index layer 140 is particularly difficult to see from the outside of the windowpane 20 .
- the imaging device 100 that is difficult to be visually recognized.
- the camera 120 is provided at a position higher than the height of the person, it is possible to capture an image that makes it easy to grasp the state of the person to be monitored outside the window glass 20 .
- the imaging unit 100A Since the imaging unit 100A is installed on the indoor side of the building 10 with respect to the window glass 20, the installation of the imaging unit 100A can be handled by indoor construction, which facilitates the installation work. In addition, since the image pickup unit 100A is installed on the indoor side of the building 10 with respect to the window glass 20, the image pickup unit 100A is not exposed to wind and rain, and the image pickup unit 100A has a simple configuration that does not have a waterproof structure or a dustproof structure. Unit 100A can be implemented.
- the imaging unit 100A preferably includes a glass plate 110 to which the camera 120 is attached, and a mounting section 130 for mounting the glass plate 110 on the inner surface of the window glass 20.
- the camera 120 can be stably fixed to the windowpane 20 and easily fixed with a simple structure.
- the mounting portion 130 is transparent. With such a configuration, it is possible to make it difficult to see the imaging unit 100A from the outside of the window glass 20, and to make the camera 120 difficult to find.
- the imaging unit 100A preferably further includes an antenna 150 formed on the surface of the glass plate 110 and made of a metal mesh. With such a configuration, the imaging unit 100A can be used as an antenna unit, and in addition to capturing an image around the imaging unit 100A, wireless communication can be performed around the imaging unit 100A. can.
- the antenna 150 is preferably arranged at a relatively high position on the windowpane 20 of the building 10 so as to face the windowpane 20 .
- radio waves can be efficiently radiated toward the outside of the windowpane 20 without obstacles between the windowpane 20 and the windowpane 20 . Therefore, the antenna 150 can form a communication area outside the window glass 20 in which relatively high throughput can be obtained.
- the antenna 150 further includes a wire 121 formed on the surface of the glass plate 110 and connected to the camera 120, and the wire 121 is preferably made of a metal mesh.
- the wiring 121 can be configured to have high light transmittance, and even if it is provided on the transparent glass plate 110, it can be difficult to see. Therefore, the image pickup unit 100A including the wiring 121 can be made difficult to see from the outside of the window glass 20, and the image pickup apparatus 100 that is difficult to be visually recognized can be provided.
- the glass plate 110 preferably has a hole 111 that accommodates at least part of the camera 120 . With such a configuration, the camera 120 can be stably attached to the glass plate 110 with a simple configuration.
- the imaging device 100 preferably includes a low refractive index layer 140 provided between the glass plate 110 and the windowpane 20 and having a lower refractive index than the windowpane 20 .
- a low refractive index layer 140 provided between the glass plate 110 and the windowpane 20 and having a lower refractive index than the windowpane 20 .
- the presence of the surveillance camera cannot be seen from the outside of the windowpane 20, and the camera 120 may be installed somewhere out of sight. It can be given to people outside of 20, and it acts as a deterrent to crime and the like.
- the image pickup unit 100A when attaching the image pickup unit 100A to various types of window glasses 20 having different refractive indexes or window glasses 20 having various coatings having different refractive indexes on the surface, electronic ink can be used as the low refractive index layer 140. If a variable refractive index layer having a variable refractive index is used, the refractive index of the low refractive index layer 140 can be adjusted according to the refractive index of the window glass 20 . Therefore, it is not necessary to separately manufacture the imaging unit 100A according to the refractive index of the window glass 20, coating, etc., and it is possible to cope with various refractive indices of the window glass 20, coating, etc., and to reduce the manufacturing cost. image pickup device 100 can be provided.
- the high refractive index layer (partially reflective layer) is preferably provided in a portion of the window glass 20 that is included in the field of view of the camera 120 .
- the imaging device 100 that is hardly visible from the outside of the windowpane 20 with a configuration that does not impair the design of the windowpane 20 as much as possible.
- the device having the camera 120 and the antenna 150 is described as the imaging unit 100A.
- the imaging unit 100A may be regarded as an antenna device (antenna unit) with a camera.
- the imaging device 100 may be regarded as a camera-equipped wireless communication device.
- the wireless communication device 100B2 and the antenna 150 function as a wireless base station for 5G communication
- the imaging device 100 may be regarded as a camera-equipped wireless base station.
- FIG. 5 is a diagram showing an imaging unit 100A1 of the first modified example.
- FIG. 5 shows the imaging unit 100A1 in a cross section corresponding to FIG. 2D.
- the imaging unit 100A1 has a configuration in which an eaves 160, a matching layer 170, and a mesh cover 180 are added to the imaging unit 100A shown in FIG.
- the mesh cover 180 is an example of mesh.
- the imaging unit 100A1 does not have the low refractive index layer 140 shown in FIGS.
- the canopy 160 is provided on the top surface parallel to the YZ plane located on the +X direction side (upper side) of the inner wall surface of the hole 111 .
- the canopy 160 is, for example, a resin layer formed by coating the top surface of the hole 111 with a light-shielding paint.
- the resin layer as the canopy 160 may be black as long as it has a light shielding property.
- Such a canopy 160 is provided on the +Z direction side (outside when viewed from the camera 120) of the center of the thickness of the lens 120A in the Z direction (optical axis direction) of the top surface of the hole 111. there is That is, the canopy 160 extends closer to the windowpane 20 than the lens 120A of the camera 120. As shown in FIG.
- the canopy 160 is provided to obtain a clear image of the subject by blocking light entering the lens 120A from above when the camera 120 takes an image.
- a shadow can be provided under the eaves 160 .
- the canopy 160 is provided to suppress the occurrence of crushed blacks and blown out highlights in an image, for example, by suppressing a situation in which the image is backlit by sunlight, a street lamp, or the like.
- FIG. by providing the eaves 160 , sunlight and indoor illumination light of the building 10 are less likely to hit the camera 120 , making it difficult to visually recognize the camera 120 from outside the building 10 .
- the eaves 160 are provided on the top surface of the inner wall surface of the hole portion 111 , but the position of the eaves 160 is set to an appropriate position according to the environment of the installation location of the imaging unit 100A1. do it. Further, when the eaves 160 are provided on the top surface of the hole 111, they may be provided on the entire top surface.
- the matching layer 170 is a transparent (colorless and transparent) layer provided inside the hole 111 so as to cover the surface of the lens 120A.
- the matching layer 170 is a refractive index matching layer that reduces the difference in refractive index between the lens 120A and the window glass 20.
- the refractive index of matching layer 170 is a value between the refractive index of lens 120A and the refractive index of window glass 20 .
- a matching layer 170 for example, a sheet-like member made of a resin capable of realizing an optical waveguide such as an optical fiber can be used.
- a sheet-like member composed of a metamaterial having a negative refractive index instead of the matching layer 170, a sheet-like member composed of a metamaterial having a negative refractive index, A sheet-like member composed of a chiral medium having nonreciprocal refractive index may be used.
- a sheet-shaped member composed of a metamaterial can control the refractive index. Since a sheet-like member made of a chiral medium can be configured to have different polarization characteristics depending on the incident direction, the refractive index can be controlled using such a difference in polarization characteristics.
- the mesh cover 180 is provided on the surface of the glass plate 110 on the window glass 20 side and covers the lens 120A of the camera 120. Like the canopy 160, the mesh cover 180 is provided to obtain a clear image of the subject by blocking light entering the lens 120A from above when the camera 120 takes an image.
- the mesh cover 180 is a cover made of metal such as aluminum, silver, iron, stainless steel, etc., or resin such as polyester, vinyl chloride, etc. with mesh-like through holes.
- the mesh cover 180 may have adhesiveness by applying an adhesive to the surface, and the mesh cover 180 having adhesiveness is used by bonding it to a resin plate such as a translucent polycarbonate or a glass plate. may
- Such a mesh cover 180 has light transmittance due to the mesh-like through holes.
- the direction in which the mesh cover 180 has light transmittance can be made selective. Therefore, like the canopy 160, the mesh cover 180 can block light entering the lens 120A from above when the camera 120 takes an image.
- the mesh cover 180 may have a surface on the side of the lens 120A made black or the like so that the reflectance of the surface on the side of the lens 120A is lower than the reflectance on the surface on the side of the window glass 20. Since the reflectance of the surface on the lens 120A side is lower than the reflectance on the surface on the window glass 20 side, the direction in which the mesh cover 180 has light transmittance can be given a selectivity. can block the light incident on the lens 120A.
- the reflectance of the mesh cover 180 is measured according to JIS R 3106:1998, for example.
- the line width of the mesh is preferably 100 ⁇ m to 3 mm, more preferably 300 ⁇ m to 1 mm.
- the line spacing of the mesh is preferably 0.5 mm to 50 mm, more preferably 0.7 mm to 5 mm, even more preferably 0.8 mm to 2 mm.
- the open area ratio of the mesh is preferably 30-80%, more preferably 40-60%.
- the opening shape of the through holes of the mesh may be square, rhombic, or the like.
- the mesh cover 180 has a visible light transmittance of 20% to 90% based on the standard A light source defined by JIS R 3106:1998.
- the imaging unit 100A1 of the first modified example as described above is difficult to see from the outside of the building 10, like the imaging unit 100A. Therefore, it is possible to provide an imaging device that is hard to visually recognize and is capable of imaging clearer images.
- the configuration in which the imaging unit 100A has the canopy 160 and the mesh cover 180 has been described, but either one of the canopy 160 and the mesh cover 180 is included. It may be a configuration. At least one of the canopy 160 and the mesh cover 180 may be included depending on the incident light conditions at the installation location of the imaging unit 100A1.
- FIG. 6 is a diagram showing an imaging unit 100A2 of the second modified example.
- FIG. 6 shows the imaging unit 100A2 in a cross section corresponding to FIG. 2D.
- the imaging unit 100A2 has a configuration in which the glass plate 110 of the imaging unit 100A shown in FIG. 2 is replaced with a glass plate 110A and a matching layer 170 is added.
- the glass plate 110A has a configuration in which the hole portions 111 (see FIG. 2) of the glass plate 110 are replaced with hole portions 111A.
- the hole 111A is, for example, a hole that is recessed in the thickness direction (Z direction) from the -Z direction side surface of the glass plate 110A.
- the hole portion 111A has a configuration in which the +Z direction side of the hole portion 111 of the glass plate 110 is closed.
- the shape of the opening of the hole portion 111A on the ⁇ Z direction side surface of the glass plate 110A is matched to the outer shape of the camera 120 accommodated therein, and is, for example, a rectangular shape.
- a camera 120 and a matching layer 170 are provided in the hole 111A.
- Wiring (wiring corresponding to the wiring 121 in FIG. 2A) connected to the camera 120 accommodated in the hole 111A of the glass plate 110A may be provided on the surface of the glass plate 110A on the -Z direction side.
- the hole portion 111A may accommodate at least a portion of the camera 120 . That is, part of the camera 120 may protrude from the hole 111A in the -Z direction.
- the matching layer 170 is provided on the inner side of the lens 120A inside the hole 111A.
- the matching layer 170 is the same as the matching layer 170 of the image pickup unit 100A1 of the first modified example, so description thereof is omitted here.
- the imaging unit 100A2 in which the camera 120 is provided inside the hole 111A in this manner can image an object outside the windowpane 20 with the camera 120 in the same manner as the imaging unit 100A. Therefore, it is possible to provide an imaging device that is difficult to be visually recognized. Further, since the glass plate 110A has the hole portion 111A for accommodating at least part of the camera 120, the camera 120 can be stably attached to the glass plate 110A with a simple configuration.
- the hole 111A may be a hole recessed in the thickness direction (Z direction) from the +Z direction side surface of the glass plate 110A. In this case, the glass plate 110A does not exist in front of the lens 120A of the camera 120. FIG.
- an anti-fogging film is provided at least on the portion of the glass plate 110A that is positioned in front of the lens 120A (the portion that is positioned on the +Z direction side of the hole 111A).
- the anti-fogging film may be attached to the glass plate 110A via a film having an adhesive layer. If the glass plate 110A is provided with an anti-fogging film, it is possible to suppress the occurrence of dew condensation and acquire a clear image with the camera 120 .
- FIG. 7 is a diagram showing an imaging unit 100A3 of the third modified example.
- FIG. 7 shows the imaging unit 100A3 in a cross section corresponding to FIG. 2D.
- the imaging unit 100A3 has a configuration in which the glass plate 110 of the imaging unit 100A shown in FIG. 2D is replaced with a glass plate 110M and a canopy 160 is added.
- the glass plate 110M has a hole portion 111M obliquely formed so that the +Z direction side is positioned lower than the ⁇ Z direction side, and a +Z direction side above the portion of the glass plate 110M where the hole portion 111M is provided. and a projecting portion 112M projecting in the direction side.
- the hole 111M is obliquely formed with respect to the surface of the glass plate 110M.
- the lens 120A faces downward. Therefore, it becomes easier to photograph a person outside the windowpane 20 from above. Also, by attaching the imaging unit 100A3 to the inside of the window glass 20 on a high floor such as the second or third floor of the building 10, a wider range can be imaged.
- the protrusion 112M protrudes in the +Z direction from the portion of the glass plate 110M where the hole 111M is provided, and a canopy 160 is provided on the lower surface.
- the projecting portion 112M is a part of the glass plate 110M and is transparent (colorless and transparent). Therefore, when an image is taken by the camera 120, a clear image of the subject can be acquired by blocking the light incident on the lens 120A from above with the eaves 160.
- the hole 111M may be formed obliquely so that the +Z direction side is positioned higher than the -Z direction side.
- the lens 120A faces upward.
- the lens 120A may be directed upward in this way.
- FIG. 8 is a diagram showing an imaging unit 100A4 of a fourth modified example.
- the imaging unit 100A4 has a configuration in which the mounting portion 130 of the imaging unit 100A' shown in FIG. 4 is replaced with a mounting portion 130M.
- the mounting portion 130M has a trapezoidal shape in which the lower base is longer than the upper base when the imaging unit 100A4 is viewed from the XZ plane.
- the upper base is the upper side of the trapezoidal shape of the mounting portion 130M
- the lower base is the lower side of the trapezoidal shape of the mounting portion 130M. Viewing the imaging unit 100A4 from the XZ plane is viewing the imaging unit 100A4 from the side.
- the glass plate 110 When the glass plate 110 is attached to the inner surface 20B of the windowpane 20 via the attachment portion 130M, the surface of the glass plate 110 facing the windowpane 20 is tilted downward, so that the lens 120A of the camera 120 is tilted downward. facing downwards. Therefore, it becomes easier to photograph a person outside the windowpane 20 from above. Also, by attaching the imaging unit 100A4 to the inside of the window glass 20 on a high floor such as the second or third floor of the building 10, a wider range can be imaged.
- the camera 120 can be directed downward without obliquely attaching the camera 120 to the glass plate 110 .
- the distance between the lower end of the glass plate 110 and the inner surface 20B of the windowpane 20 is wider than the distance between the upper end of the glass plate 110 and the inner surface 20B of the windowpane 20. It is a mounting portion for obliquely mounting the glass plate 110 to the inner surface 20B of the windowpane 20 so as to be formed.
- the shape of the mounting portion 130M in a side view is not limited to a trapezoidal shape. Any shape may be used as long as the distance from the surface 20B of is widened.
- the shape of the mounting portion 130M when viewed from the side may be triangular.
- the mounting portion 130M has projecting portions on the upper end side and the lower end side thereof that protrude toward the inner surface 20B of the window glass 20 and are fixed to the surface 20B, and the projecting portion on the upper end side is on the lower end side. It may be configured such that the protruding length is shorter than the protruding portion of the .
- the trapezoidal shape of the mounting portion 130M may be a trapezoidal shape in which the lower base is shorter than the upper base when the imaging unit 100A4 is viewed from the side.
- the lens 120A faces upward.
- the lens 120A can be directed upward using the trapezoidal attachment portion 130M whose lower base is shorter than its upper base. .
- the camera 120 can be directed upward without obliquely attaching the camera 120 to the glass plate 110 .
- the mounting portion 130M is closer to the distance between the lower end of the glass plate 110 and the inner surface 20B of the windowpane 20 than the distance between the upper end of the glass plate 110 and the inner surface 20B of the windowpane 20.
- the distance between the lower end of the glass plate 110 and the windowpane 20 is greater than the distance between the upper end of the glass plate 110 and the inner surface 20B of the windowpane 20.
- Any shape may be used as long as the distance from the inner surface 20B of the is narrower.
- the shape of the mounting portion 130M when viewed from the side may be triangular.
- the mounting portion 130M has projecting portions on the upper end side and the lower end side thereof that protrude toward the inner surface 20B of the window glass 20 and are fixed to the surface 20B, and the projecting portion on the upper end side is on the lower end side. It may be a configuration in which the protruding length is longer than the protruding portion of the.
- the mounting portion 130M may have an angle variable mechanism capable of variably changing the angle at which the glass plate 110 is installed with respect to the inner surface 20B of the window glass 20.
- the angle of the glass plate 110 can be changed according to the time of day, season, etc., and the range captured by the camera 120 can be changed. Further, the angle of the glass plate 110 may be changed to either downward or upward by the angle variable mechanism of the mounting portion 130M.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Eye Examination Apparatus (AREA)
- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
Description
以下、実施形態について図面を参照して説明する。以下では、理解の容易のため、図面における各部材の縮尺は実際とは異なる場合がある。本実施形態では、3軸方向(X軸方向、Y軸方向、Z軸方向)の3次元直交座標系を用い、窓ガラスの幅方向をY軸方向とし、窓ガラスの厚さ方向をZ軸方向とし、窓ガラスの高さ方向をX軸方向とする。窓ガラスの下から上に向かう方向を+X軸方向とし、その反対方向を-X軸方向とする。以下の説明において、+X軸方向を上といい、-X軸方向を下という場合がある。また、平面視とはXY面視することをいう。
図2は、撮像ユニット100Aを示す図である。撮像ユニット100Aは、ガラス板110、カメラ120、取付部130、及びアンテナ150を有する。ガラス板110及び取付部130は、固定部の一例である。
図3は、撮像ユニット100A´を示す図である。図3に示す撮像ユニット100A´は、図2Aに示す撮像ユニット100Aに、低屈折率層140を加えた構成を有する。
図5は、第1変形例の撮像ユニット100A1を示す図である。図5では、撮像ユニット100A1を図2Dに対応する断面で示す。撮像ユニット100A1は、図2に示す撮像ユニット100Aに対して、庇(ひさし)160、整合層170、メッシュカバー180を追加した構成を有する。メッシュカバー180は、メッシュの一例である。撮像ユニット100A1は、図3及び図4に示す低屈折率層140を有しない。
図6は、第2変形例の撮像ユニット100A2を示す図である。図6では、撮像ユニット100A2を図2Dに対応する断面で示す。撮像ユニット100A2は、図2に示す撮像ユニット100Aのガラス板110をガラス板110Aに置き換えて、整合層170を追加した構成を有する。
図7は、第3変形例の撮像ユニット100A3を示す図である。図7では、撮像ユニット100A3を図2Dに対応する断面で示す。撮像ユニット100A3は、図2Dに示す撮像ユニット100Aのガラス板110をガラス板110Mに置き換えて、庇160を追加した構成を有する。
図8は、第4変形例の撮像ユニット100A4を示す図である。撮像ユニット100A4は、図4に示す撮像ユニット100A´の取付部130を取付部130Mに置き換えた構成を有する。取付部130Mは、撮像ユニット100A4をXZ面視した場合に、上底よりも下底が長い台形形状を有する。ここで、上底とは取付部130Mの台形形状の上側の底辺であり、下底とは取付部130Mの台形形状の下側の底辺である。また、撮像ユニット100A4をXZ面視することは、撮像ユニット100A4を側面視することである。
なお、2021年1月29日に出願された日本特許出願2021-013719号の明細書、特許請求の範囲、図面及び要約書の全内容をここに引用し、本発明の明細書の開示として、取り入れるものである。
20 窓ガラス
100 撮像装置
100A、100A1、100A2、100A3、100A4 撮像ユニット
100B 処理ユニット
100B1 画像処理装置
100B2 無線通信装置
110、110A、110M ガラス板(透明板及び固定部の一例)
111、111M 孔部(収容部の一例)
111A 穴部(収容部の一例)
120 カメラ(撮像部の一例)
130、130M 取付部(固定部の一例)
140 低屈折率層(低屈折率層及び可変屈折率層の一例)
150 アンテナ
160 庇
170 整合層
180 メッシュカバー(メッシュの一例)
Claims (17)
- 建造物の窓ガラスよりも内側に設置され、前記窓ガラスを介して前記窓ガラスの外側を撮像する撮像部と、
前記撮像部を前記窓ガラスに向けて固定する固定部と
を含む、撮像装置。 - 前記固定部は、
前記撮像部が取り付けられる透明板と、
前記透明板を前記窓ガラスの内側の表面に取り付ける取付部と
を有する、請求項1に記載の撮像装置。 - 前記取付部は、前記透明板の上端部と前記窓ガラスの内側の表面との間隔よりも前記透明板の下端部と前記窓ガラスの内側の表面との間隔の方が広くなるように、又は、前記透明板の上端部と前記窓ガラスの内側の表面との間隔よりも前記透明板の下端部と前記窓ガラスの内側の表面との間隔の方が狭くなるように、前記透明板を前記窓ガラスの内側の表面に対して斜めに取り付ける取付部である、請求項2に記載の撮像装置。
- 前記取付部は透明である、請求項2又は3に記載の撮像装置。
- 前記透明板に形成され、光透過性を有するアンテナをさらに含む、請求項2乃至4のいずれか1項に記載の撮像装置。
- 前記アンテナは、金属製のメッシュで構成される、請求項5に記載の撮像装置。
- 前記透明板に形成され、前記撮像部に接続される配線をさらに含み、
前記配線は、光透過性を有する、請求項2乃至6のいずれか1項に記載の撮像装置。 - 前記配線は、金属製のメッシュで構成される、請求項7に記載の撮像装置。
- 前記透明板は、前記撮像部の少なくとも一部を収容する収容部を有し、
前記収容部は、前記透明板を厚さ方向に貫通する孔部、又は、前記透明板の表面から厚さ方向に凹む穴部である、請求項2乃至8のいずれか1項に記載の撮像装置。 - 前記収容部としての前記孔部又は穴部は、前記透明板の表面に対して斜めに形成されている、請求項9に記載の撮像装置。
- 前記透明板は、前記撮像部のレンズよりも前記窓ガラス側に延在する庇を有する、請求項2乃至10のいずれか1項に記載の撮像装置。
- 前記透明板の前記窓ガラス側の表面に設けられ、前記撮像部のレンズを覆うメッシュをさらに含む、請求項2乃至11のいずれか1項に記載の撮像装置。
- 前記メッシュは、前記レンズ側の表面の反射率が前記窓ガラス側の表面の反射率よりも低い、請求項12に記載の撮像装置。
- 前記透明板と前記窓ガラスとの間に設けられ、前記窓ガラスの屈折率よりも低い屈折率を有する低屈折率層をさらに含む、請求項2乃至13のいずれか1項に記載の撮像装置。
- 前記低屈折率層は、屈折率が可変な可変屈折率層である、請求項14に記載の撮像装置。
- 前記窓ガラスの内側の表面に設けられ、前記窓ガラスの外側から前記撮像部に向かって入射する光を部分的に反射する部分反射層をさらに含む、請求項1乃至15のいずれか1項に記載の撮像装置。
- 前記部分反射層は、前記窓ガラスのうちの前記撮像部の視野に含まれる部分に設けられる、請求項16に記載の撮像装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2022214367A AU2022214367A1 (en) | 2021-01-29 | 2022-01-27 | Imaging device |
JP2022578469A JPWO2022163749A1 (ja) | 2021-01-29 | 2022-01-27 | |
EP22745968.2A EP4286940A1 (en) | 2021-01-29 | 2022-01-27 | Imaging device |
US18/351,553 US20230359111A1 (en) | 2021-01-29 | 2023-07-13 | Imaging device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-013719 | 2021-01-29 | ||
JP2021013719 | 2021-01-29 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/351,553 Continuation US20230359111A1 (en) | 2021-01-29 | 2023-07-13 | Imaging device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022163749A1 true WO2022163749A1 (ja) | 2022-08-04 |
Family
ID=82654642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/003044 WO2022163749A1 (ja) | 2021-01-29 | 2022-01-27 | 撮像装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230359111A1 (ja) |
EP (1) | EP4286940A1 (ja) |
JP (1) | JPWO2022163749A1 (ja) |
AU (1) | AU2022214367A1 (ja) |
WO (1) | WO2022163749A1 (ja) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH114429A (ja) * | 1997-06-11 | 1999-01-06 | Fuji Photo Optical Co Ltd | 壁面埋め込み式テレビカメラ用雲台 |
JPH1169211A (ja) * | 1997-08-22 | 1999-03-09 | Yasumasa Yamaguchi | ガラス越しに撮像する電子カメラ |
JP2000155877A (ja) * | 1998-11-20 | 2000-06-06 | Kunimichi Shindo | 防犯システム |
JP2002341432A (ja) * | 2001-05-16 | 2002-11-27 | Murakami Corp | 撮像装置 |
JP2003025928A (ja) * | 2001-07-13 | 2003-01-29 | Mitsubishi Electric Corp | 車窓内センサ |
JP2005192114A (ja) | 2003-12-26 | 2005-07-14 | Matsushita Electric Ind Co Ltd | 監視カメラ |
JP2009526243A (ja) * | 2006-02-06 | 2009-07-16 | レオポルト・コスタール・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシヤフト | 傾斜した板ガラスの背後のカメラ構成 |
JP2010068120A (ja) * | 2008-09-09 | 2010-03-25 | Toshiba Corp | 監視システム |
JP2016143155A (ja) * | 2015-01-30 | 2016-08-08 | 株式会社ユピテル | 撮像装置及び撮像システム |
JP2021013719A (ja) | 2019-07-12 | 2021-02-12 | 川湖科技股▲分▼有限公司 | スライドレールアセンブリ |
-
2022
- 2022-01-27 AU AU2022214367A patent/AU2022214367A1/en active Pending
- 2022-01-27 WO PCT/JP2022/003044 patent/WO2022163749A1/ja active Application Filing
- 2022-01-27 JP JP2022578469A patent/JPWO2022163749A1/ja active Pending
- 2022-01-27 EP EP22745968.2A patent/EP4286940A1/en active Pending
-
2023
- 2023-07-13 US US18/351,553 patent/US20230359111A1/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH114429A (ja) * | 1997-06-11 | 1999-01-06 | Fuji Photo Optical Co Ltd | 壁面埋め込み式テレビカメラ用雲台 |
JPH1169211A (ja) * | 1997-08-22 | 1999-03-09 | Yasumasa Yamaguchi | ガラス越しに撮像する電子カメラ |
JP2000155877A (ja) * | 1998-11-20 | 2000-06-06 | Kunimichi Shindo | 防犯システム |
JP2002341432A (ja) * | 2001-05-16 | 2002-11-27 | Murakami Corp | 撮像装置 |
JP2003025928A (ja) * | 2001-07-13 | 2003-01-29 | Mitsubishi Electric Corp | 車窓内センサ |
JP2005192114A (ja) | 2003-12-26 | 2005-07-14 | Matsushita Electric Ind Co Ltd | 監視カメラ |
JP2009526243A (ja) * | 2006-02-06 | 2009-07-16 | レオポルト・コスタール・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング・ウント・コンパニー・コマンデイトゲゼルシヤフト | 傾斜した板ガラスの背後のカメラ構成 |
JP2010068120A (ja) * | 2008-09-09 | 2010-03-25 | Toshiba Corp | 監視システム |
JP2016143155A (ja) * | 2015-01-30 | 2016-08-08 | 株式会社ユピテル | 撮像装置及び撮像システム |
JP2021013719A (ja) | 2019-07-12 | 2021-02-12 | 川湖科技股▲分▼有限公司 | スライドレールアセンブリ |
Also Published As
Publication number | Publication date |
---|---|
EP4286940A1 (en) | 2023-12-06 |
AU2022214367A1 (en) | 2023-08-17 |
JPWO2022163749A1 (ja) | 2022-08-04 |
US20230359111A1 (en) | 2023-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8808839B2 (en) | Vehicle glazing, method for the production thereof, and use | |
CN110119046B (zh) | 一种显示面板和显示装置 | |
EA028505B1 (ru) | Остекление и способ его изготовления | |
US11407204B2 (en) | Laminated glazing with an electrically controllable device and manufacture | |
US11165135B2 (en) | Antenna unit for glass, glass sheet with antenna, and production method of antenna unit for glass | |
US10046705B2 (en) | Blind spot assist device | |
ES2466569T3 (es) | Cristal con transmisión de alta frecuencia | |
KR20120099331A (ko) | 가열가능한, 광학적으로 투명한 센서 어레이를 갖는 디스크 | |
US20130300146A1 (en) | Automobile window glass | |
US20210191218A1 (en) | Optically switchable windows for selectively impeding propagation of light from an artificial source | |
CN109782964B (zh) | 触控显示装置及其制备方法 | |
JP2003069282A (ja) | 特定電磁波透過板 | |
US20170113617A1 (en) | Blind spot assistance device | |
CN1761912B (zh) | 背投影屏和/或投影屏 | |
CA3102958A1 (en) | Optically switchable windows for selectively impeding propagation of light from an artificial source | |
WO2022163749A1 (ja) | 撮像装置 | |
CN210778944U (zh) | 天线玻璃、汽车玻璃、建筑玻璃及透明天线 | |
US12035056B2 (en) | Vehicular exterior member and far-infrared camera equipped vehicular exterior member | |
CN114040845B (zh) | 玻璃元件、具有玻璃元件和相关热像仪的装置 | |
CN114667254A (zh) | 车辆用隔热片以及车辆 | |
US11536947B2 (en) | Tunable window system for a vehicle | |
ES2967915T3 (es) | Unidad de acristalamiento con unidad de antena | |
JP3241318U (ja) | ドローン | |
JP5375034B2 (ja) | 太陽電池装置及び車両感知装置 | |
CN217587590U (zh) | 复合光学防护片及激光雷达 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22745968 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022578469 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2022214367 Country of ref document: AU Date of ref document: 20220127 Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022745968 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 11202305466S Country of ref document: SG |
|
ENP | Entry into the national phase |
Ref document number: 2022745968 Country of ref document: EP Effective date: 20230829 |