WO2013145438A1 - 封止構造およびアンテナ装置 - Google Patents
封止構造およびアンテナ装置 Download PDFInfo
- Publication number
- WO2013145438A1 WO2013145438A1 PCT/JP2012/080478 JP2012080478W WO2013145438A1 WO 2013145438 A1 WO2013145438 A1 WO 2013145438A1 JP 2012080478 W JP2012080478 W JP 2012080478W WO 2013145438 A1 WO2013145438 A1 WO 2013145438A1
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- WO
- WIPO (PCT)
- Prior art keywords
- antenna
- plate portion
- electronic device
- sealing structure
- substrate
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00002—Operational features of endoscopes
- A61B1/00011—Operational features of endoscopes characterised by signal transmission
- A61B1/00016—Operational features of endoscopes characterised by signal transmission using wireless means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3121—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed a substrate forming part of the encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
- H01L23/3135—Double encapsulation or coating and encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/062—Two dimensional planar arrays using dipole aerials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
Definitions
- the present invention relates to a sealing structure for sealing an electronic device mounted on a substrate of an antenna device that receives a radio signal transmitted from a capsule endoscope inserted into a subject, and the antenna device.
- capsule endoscopes that incorporate an imaging function, a wireless communication function, and the like in a capsule-shaped housing that is sized to be introduced into the digestive tract of a subject such as a patient are known. It has been. This capsule endoscope is swallowed from the mouth of the subject, and then moves inside the subject such as in the digestive tract by peristaltic movement, etc., and sequentially captures the inside of the subject to generate image data. Data is transmitted wirelessly sequentially.
- the image data wirelessly transmitted by the capsule endoscope in this way is received by the receiving device via the receiving antenna device provided outside the subject.
- This receiving apparatus has a memory for storing received image data, and the subject is portable.
- the above-described antenna device a device in which a plurality of receiving antennas are distributed on a flexible sheet is known.
- this antenna apparatus one receiving antenna having the strongest radio signal reception intensity is selected, and a radio signal is received by the selected receiving antenna (see Patent Document 1).
- the present invention has been made in view of the above, and an object of the present invention is to provide a sealing structure for an electronic device and an antenna device that can alleviate a load generated on the electronic device when the flexible sheet is bent.
- a sealing structure according to the present invention is a sealing structure for sealing an electronic device mounted on a bendable substrate, which is harder than the substrate.
- a plate part formed by using a material and sandwiching the electronic device from the front surface and the back surface of the substrate on which the electronic device is mounted, and provided on the outer periphery of the plate part.
- an elastic body integrally molded so as to cover the portion and press the plate portion against the substrate.
- the sealing structure according to the present invention is characterized in that, in the above invention, the elastic body is molded through a communication hole portion that connects the front surface and the back surface provided on the substrate. .
- the plate portion has a hole portion that communicates the electronic device and the outside of the plate portion, and the elastic body is interposed through the hole portion. The gap between the plate portion and the electronic device is filled.
- the plate portion has an opening that exposes the surface of the electronic device to the outside of the plate portion, and the elastic body is interposed through the opening. The gap between the plate portion and the electronic device is filled.
- the sealing structure according to the present invention further includes an elastic member that is provided between the plate portion and the electronic device and biases the plate portion and the electronic device in a direction away from each other. It is characterized by that.
- the sealing structure according to the present invention is characterized in that, in the above invention, the substrate has an antenna portion for receiving a radio signal, and an outer edge of the elastic body is substantially circular and is in contact with the antenna portion.
- the sealing structure concerning this invention is the said invention.
- the said plate part is located in the said 1st plate part located in the said surface side, and the said back surface side, and with the said 1st plate part via the said board
- a second plate portion sandwiching the electronic device wherein the first plate portion is formed with a protruding portion that penetrates the substrate and protrudes toward the back surface, and the second plate portion includes: A fitting portion for fitting with the protruding portion is formed at a position facing the protruding portion.
- the sealing structure according to the present invention is characterized in that, in the above-mentioned invention, the protruding portion further has an engaging portion that engages with the fitting portion.
- An antenna device is an antenna device that receives a radio signal transmitted from a capsule endoscope introduced into a subject, and is mounted on the bendable substrate and on the substrate.
- An antenna unit that receives a signal, an electronic device that is mounted on the substrate and that is connected to the antenna unit and performs a predetermined process on the radio signal received by the antenna unit, and the electronic device are sealed
- a sealing structure wherein the sealing structure is formed using a material harder than the substrate, and the electronic device is inserted through the substrate from a front surface and a back surface of the substrate on which the electronic device is mounted.
- a hard plate portion that sandwiches an electronic device from the front surface and the back surface of the electronic device mounted on the substrate via the substrate, and one of the plate portions provided on the outer periphery of the plate portion. Since the elastic body integrally formed so as to cover the portion and press the plate portion against the substrate is provided, an effect that the load generated in the electronic device when the flexible sheet is bent can be reduced.
- FIG. 1 is a schematic diagram illustrating a schematic configuration of a capsule endoscope system according to the first embodiment of the present invention.
- FIG. 2 is a top view of the antenna connection unit and the receiving apparatus according to the first embodiment of the present invention in a separated state.
- FIG. 3 is a side view in the direction of arrow A in FIG.
- FIG. 4 is an exploded perspective view of the housing of the antenna connection unit according to the first exemplary embodiment of the present invention.
- 5 is an exploded front view of the housing of the antenna connection unit in the direction of arrow B in FIG.
- FIG. 6 is a front view of the antenna connection unit in the direction of arrow B in FIG.
- FIG. 7 is a diagram schematically showing the main part of the cross section taken along the line CC of FIG. FIG.
- FIG. 8 is a cross-sectional view schematically showing a state of the gasket when the antenna connection unit according to the first embodiment of the present invention is connected to the receiving device.
- FIG. 9 is a schematic diagram illustrating a configuration of the antenna device and the antenna cable according to the first exemplary embodiment of the present invention.
- FIG. 10 is a plan view schematically showing the configuration of the first receiving antenna and the sealing structure shown in FIG.
- FIG. 11 is a side view in the direction of arrow D shown in FIG. 12 is a cross-sectional view taken along line EE shown in FIG.
- FIG. 13 is a plan view showing a main part before the electronic device shown in FIG. 9 is sealed with a sealing structure.
- FIG. 14 is an external view showing the front side of the first resin plate portion constituting the sealing structure according to the first embodiment of the present invention.
- FIG. 15 is an external view showing the back side of the first resin plate portion constituting the sealing structure according to the first embodiment of the present invention.
- FIG. 16 is an external view showing the front side of the second resin plate portion constituting the sealing structure according to the first embodiment of the present invention.
- FIG. 17 is a block diagram illustrating functional configurations of the antenna device and the antenna connection unit according to the first embodiment of the present invention.
- FIG. 18 is sectional drawing which shows the structure of the sealing structure concerning the modification 1 of Embodiment 1 of this invention.
- FIG. 19 is a cross-sectional view showing a configuration of a sealing structure according to Modification 2 of Embodiment 1 of the present invention.
- FIG. 20 is a cross-sectional view showing the configuration of the sealing structure according to the second embodiment of the present invention.
- FIG. 21 is sectional drawing which shows the structure of the sealing structure concerning the modification 1
- sealing structure for sealing an electronic device mounted on a substrate according to an embodiment of the present invention
- an antenna device that receives a radio signal from a capsule endoscope that is introduced into the body of a subject and captures an in-vivo image of the subject.
- the present invention is not limited to this embodiment. Further, the same components are described with the same reference numerals.
- FIG. 1 is a schematic diagram illustrating a schematic configuration of a capsule endoscope system according to the first embodiment of the present invention.
- a capsule endoscope system 1 transmits from a capsule endoscope 3 that captures an in-vivo image in a subject 2 and a capsule endoscope 3 introduced into the subject 2.
- the antenna device 4 that receives the received radio signal, the antenna connection unit 6 that performs predetermined processing on the radio signal input from the antenna device 4 via the antenna cable 5, and the signal that is input from the antenna connection unit 6
- a receiving device 7 that performs the above processing and records, and an image processing device 8 that processes and / or displays an image corresponding to the image data in the subject 2 captured by the capsule endoscope 3.
- the antenna device 4 is attached to the subject 2 by being inserted into an antenna holder (not shown).
- the receiving device 7 is inserted into a receiving device holder (not shown) and attached to the subject 2.
- the capsule endoscope 3 has an imaging function for imaging the inside of the subject 2 and a wireless communication function for transmitting image data obtained by imaging the inside of the subject 2 to the antenna device 4.
- an antenna using a circular coil or a circular loop is arranged in the capsule endoscope 3.
- the capsule endoscope 3 passes through the esophagus in the subject 2 by being swallowed into the subject 2, and moves in the body cavity by the peristaltic movement of the digestive tract cavity.
- the capsule endoscope 3 sequentially images the inside of the body cavity of the subject 2 at a minute time interval, for example, every 0.5 seconds while moving in the body cavity, and generates image data in the taken subject 2.
- the data is sequentially transmitted to the antenna device 4.
- the capsule endoscope 3 generates a transmission signal including the image data and reception intensity detection data including position information (beacon) that facilitates detection of the reception intensity, and modulates the generated transmission signal.
- the wireless signal obtained by doing so is wirelessly transmitted to the antenna device 4.
- the antenna device 4 periodically receives a radio signal from the capsule endoscope 3 and outputs the radio signal to the antenna connection unit 6 via the antenna cable 5.
- the antenna cable 5 is configured using a coaxial cable.
- the antenna cable 5 propagates a radio signal received by the antenna device 4 to the antenna connection unit 6.
- the antenna connection unit 6 is detachable from the receiving device 7.
- the antenna connection unit 6 extracts image data in the subject 2 based on the radio signal transmitted from the capsule endoscope 3 via the antenna device 4 and the antenna cable 5, and responds to the intensity of the radio signal. Receive strength is detected.
- the receiving device 7 acquires image data in the subject 2 based on a radio signal transmitted from the capsule endoscope 3 via the antenna connection unit 6.
- the receiving device 7 stores position information and time information indicating time in a memory in association with the received image data.
- the receiving device 7 receives the image from the capsule endoscope 3 until it is introduced from the mouth of the subject 2 and passes through the digestive tract and is discharged from the subject 2. It is housed in the holder and carried by the subject 2.
- the receiving device 7 is removed from the subject 2 after the examination by the capsule endoscope 3 and connected to the image processing device 8 for transferring information such as image data received from the capsule endoscope 3.
- the reception device 7 performs a display indicating that the antenna is disconnected on the display unit 71 of the reception device 7. Further, the display unit 71 of the receiving device 7 has a viewer function that allows viewing of the acquired image. However, in order to prevent excessive use of the viewer function, the remaining battery level of the power supply unit in the receiving device 7 is assumed to be inspected. Means are provided for notifying the user when the capacity cannot be guaranteed.
- the image processing apparatus 8 is configured using a workstation or personal computer having a display unit such as a liquid crystal display.
- the image processing device 8 displays an image corresponding to the image data in the subject 2 acquired via the receiving device 7.
- the image processing apparatus 8 also includes a cradle 8a that reads image data from the memory of the receiving apparatus 7, and an operation input device 8b such as a keyboard and a mouse.
- the cradle 8a receives image data from the memory of the receiving device 7 when the receiving device 7 is mounted, and related information such as reception intensity information, time information and identification information of the capsule endoscope 3 associated with the image data. And the acquired various information is transferred to the image processing apparatus 8.
- the operation input device 8b accepts input from the user.
- the user operates the operation input device 8b and sees the images in the subject 2 that are sequentially displayed by the image processing apparatus 8, while the body part inside the subject 2, such as the esophagus, stomach, small intestine, and large intestine. And subject 2 is diagnosed.
- the image processing device 8 can acquire the antenna identification information output from the antenna connection unit 6 via the receiving device 7 and change the position detection processing for each antenna type.
- the image processing device 8 is configured to be able to determine abnormality based on the antenna failure information output from the receiving device 7 and switch the position detection information display.
- the cradle 8a is provided with a binder for preventing disconnection so that the cable connecting the image processing apparatus 8 is not disconnected.
- FIG. 2 is a top view of the antenna connection unit 6 and the receiving device 7 separated from each other.
- FIG. 3 is a side view in the direction of arrow A in FIG.
- FIG. 4 is an exploded perspective view of the housing of the antenna connection unit 6.
- FIG. 5 is an exploded front view of the housing of the antenna connection unit 6 in the direction of arrow B in FIG. 6 is a front view of the antenna connection unit 6 in the direction of arrow B in FIG.
- the antenna connection unit 6 includes a substantially rectangular lower casing 61 formed to cover the bottom surface, and a substantially rectangular upper portion formed to cover the top surface and side surfaces.
- a housing 62, a processing substrate 63 that performs a predetermined process, and a connector portion 64 that is connected to the receiving device 7 are provided.
- the antenna connection unit 6 is formed in a substantially rectangular parallelepiped box shape having a space inside by coupling the lower housing 61 and the upper housing 62 so as to face each other, and a connector portion 64 is formed inside the antenna connection unit 6.
- the processing substrate 63 is accommodated.
- the lower housing 61 has a bottom portion 611 having a substantially rectangular shape, and is provided with the side portion 612, the rear portion 613, and the front portion 614 facing each other at the periphery of the bottom portion 611, and the upper portion is opened.
- the front portion 614 includes a holding portion 614 a that holds the oleod portion 51 of the antenna cable 5.
- the holding part 614a has a substantially cylindrical shape and is formed with a thickness on the side wall.
- the rear portion 613 has a notch 613 a that holds the connector portion 64 via the gasket portion 65.
- the bottom part 611, the side part 612, the rear part 613, the front part 614 and the holding part 614a are integrally formed so as to be continuously connected by injection molding using a plastic material such as plastic. Thereby, rigidity can be improved with respect to the external force applied to the oleod portion 51 of the antenna cable 5, and the antenna connection unit 6 can be prevented from being opened by the external force.
- the upper casing 62 has a rectangular upper part 621, and is provided with a side part 622, a rear part 623, and a front part 624 that are opposed to each other at the periphery of the upper part 621, and the lower part is opened. It is formed.
- the front part 624 has a notch 624a formed in accordance with the shape of the holding part 614a.
- the rear portion 623 has a notch portion 624 that holds the connector portion 64 via the gasket portion 65.
- the upper part 621, the side part 622, the rear part 623 and the front part 624 are integrally formed so as to be continuously connected by injection molding using a plastic material.
- the rigidity can be further increased with respect to the external force applied to the oledome portion 51 of the antenna cable 5, and the antenna connection unit 6 can be Can be prevented from opening.
- FIG. 7 is a diagram schematically showing the main part of the cross section taken along the line CC of FIG.
- the gasket part 65 is comprised using elastic members, such as a silicone rubber.
- the gasket portion 65 has a bottom portion 651 having a substantially rectangular shape, and is extended from the outer surface of the bottom portion 651 at an acute angle to form a tip portion 652 having a substantially conical shape (tapered shape).
- the gasket portion 65 has a connector holding portion 653 having a substantially rectangular shape that holds the connector portion 64 at the center.
- the gasket portion 65 is sandwiched between the notch 613a of the rear portion 613 of the lower housing 61 and the notch 623a of the rear portion 623 of the upper housing 62 in a state where the tip portion 652 is exposed from the antenna connection unit 6, thereby It is accommodated in the unit 6.
- the gasket portion 65 is pressed between the antenna connecting unit 6 and the receiving device 7 by pressing the front end portion 652 against the wall surface of the receiving device 7. It can be surely watertight. Furthermore, the gasket portion 65 has the tip 652 spread into the space K1 when the antenna connection unit 6 is connected to the receiver 7 and the tip 652 is pressed against the wall surface of the receiver 7 (see FIG. 8). The tip portion 652 is not volume-compressed, and the space between the antenna connection unit 6 and the receiving device 7 can be reliably watertight.
- FIG. 9 is a schematic diagram showing configurations of the antenna device 4 and the antenna cable 5.
- the antenna device 4 includes a polygon sheet 40, a first receiving antenna 41, a second receiving antenna 42, a third receiving antenna 43, a fourth receiving antenna 44, and a fifth receiving antenna 45.
- the first receiving antenna 41 to the eighth receiving antenna 48 are respectively connected to the connector portion 49 and provided on one polygonal sheet 40.
- the reference point O ⁇ b> 1 is the center of the polygonal sheet 40.
- Polygon sheet 40 is configured using a sheet-like flexible substrate.
- the main surface of the polygonal sheet 40 is substantially octagonal.
- the polygonal sheet 40 is formed in a size that covers the entire abdominal surface of the subject 2.
- the polygonal sheet 40 forms a positioning hole 40a having a substantially circular shape.
- the positioning hole 40a is provided at a position where the center includes the reference point O1 of the polygonal sheet 40.
- the positioning hole 40 a functions as a positioning unit that determines the mounting position of the antenna device 4 with respect to the subject 2 when the positioning hole 40 a is mounted on the subject 2.
- the antenna The first receiving antenna 41 to the eighth receiving antenna 48 in the apparatus 4 are accurately mounted at predetermined mounting positions on the body surface of the subject 2.
- the main surface of the polygonal sheet 40 does not need to be substantially octagonal, and may be a quadrangle or the like, for example.
- the polygonal sheet 40 is formed so that the polygonal sheet 40 does not bend at the edge of the cover part 54 that covers the connection part 53a between the polygonal sheet 40 and the base end part 53 of the antenna cable 5.
- the elastic member is configured such that the thickness decreases from the base end portion 53 toward the polygonal sheet 40.
- the antenna device 4 is mounted on the subject 2 in the antenna holder during the examination. By making the antenna device 4 and the antenna holder asymmetrical in shape up and down and / or left and right, the antenna device 4 can be moved up and down. The antenna device 4 can be prevented from being attached to the subject 2 in the wrong direction by preventing the antenna holder from entering the antenna holder in the reverse or reverse direction. Moreover, you may display on the surface of the antenna apparatus 4 so that the antenna may be upside down and upside down.
- the first receiving antenna 41 and the second receiving antenna 42 are respectively arranged at positions facing each other through the reference point O1 of the polygonal sheet 40.
- the first receiving antenna 41 and the second receiving antenna 42 are respectively arranged at positions that are equidistant from the reference point O1.
- element part 41a and element part 42a are formed in polygon sheet 40 by printed wiring, respectively.
- the first receiving antenna 41 and the second receiving antenna 42 have an electronic device 41b and an electronic device 42b including active circuits connected to the element portion 41a and the element portion 42a, respectively.
- the electronic device 41b and the electronic device 42b perform impedance matching of the first receiving antenna 41 and the second receiving antenna 42, amplification processing including amplification and attenuation of the received radio signal, conversion processing for converting from balanced to unbalanced, and the like. .
- the electronic device 41b and the electronic device 42b are sealed and mounted with a polygonal sheet 40 by a sealing structure 9 described later.
- the 1st receiving antenna 41 and the 2nd receiving antenna 42 are connected to the connector part 49 provided in the polygonal sheet 40 by the planar transmission line (strip line).
- the third receiving antenna 43 and the fourth receiving antenna 44 are respectively rotated by 90 degrees in a plane around the reference point O1 with respect to a straight line connecting the center of gravity of the first receiving antenna 41 and the center of gravity of the second receiving antenna 42. Placed in.
- the third receiving antenna 43 and the fourth receiving antenna 44 are respectively arranged at positions that are equidistant from the reference point O1.
- the element portion 43a and the element portion 44a are respectively formed on the polygonal sheet 40 by printed wiring.
- the third receiving antenna 43 and the fourth receiving antenna 44 have an electronic device 43b and an electronic device 44b including active circuits connected to the element portion 43a and the element portion 44a, respectively.
- the electronic device 43b and the electronic device 44b are sealed and mounted with the polygonal sheet 40 by the sealing structure 9 described later.
- the third receiving antenna 43 and the fourth receiving antenna 44 are connected to a connector portion 49 provided on the polygonal sheet 40 by a flat transmission line.
- the fifth receiving antenna 45 and the sixth receiving antenna 46 are positions on the outer peripheral side in the plane from the first receiving antenna 41 and the second receiving antenna 42, and connect the first receiving antenna 41 and the second receiving antenna 42.
- Each straight line has an extension direction of 45 degrees with respect to the straight line, and each center of gravity is arranged at a position in the plane.
- the fifth receiving antenna 45 and the sixth receiving antenna 46 are arranged at positions on the outer peripheral side in the plane from the first receiving antenna 41 and the second receiving antenna 42, respectively.
- element part 45a and element part 46a are formed in polygon sheet 40 by printed wiring, respectively.
- the fifth receiving antenna 45 and the sixth receiving antenna 46 have an electronic device 45b and an electronic device 46b including active circuits connected to the element portion 45a and the element portion 46a, respectively.
- the electronic device 45b and the electronic device 46b are sealed and mounted with the polygonal sheet 40 by the sealing structure 9 described later.
- the fifth receiving antenna 45 and the sixth receiving antenna 46 are connected to a connector portion 49 provided on the polygonal sheet 40 by a flat transmission line.
- the seventh receiving antenna 47 and the eighth receiving antenna 48 are straight lines having an extension direction of 45 degrees with respect to a straight line connecting the centroid of the third receiving antenna 43 and the centroid of the fourth receiving antenna 44. Are arranged at positions in the plane.
- the fifth receiving antenna 45 and the sixth receiving antenna 46 are arranged at positions rotated by 90 degrees in the plane with the reference point O1 as the center.
- the seventh receiving antenna 47 and the eighth receiving antenna 48 are arranged at positions on the outer peripheral side in the plane from the first receiving antenna 41 and the second receiving antenna 42, respectively.
- the element portion 47a and the element portion 48a are respectively formed on the polygonal sheet 40 by printed wiring.
- the seventh receiving antenna 47 and the eighth receiving antenna 48 have an electronic device 47b and an electronic device 48b including active circuits connected to the element portion 47a and the element portion 48a, respectively.
- the electronic device 47b and the electronic device 48b are sealed and mounted with the polygonal sheet 40 by the sealing structure 9 described later.
- the seventh receiving antenna 47 and the eighth receiving antenna 48 are connected to a connector portion 49 provided on the polygonal sheet 40 by a flat transmission line.
- the antenna cable 5 transmits radio signals respectively received by the first receiving antenna 41 to the eighth receiving antenna 48 to the antenna connecting unit 6 and transmits power supplied from the antenna connecting unit 6 to the first receiving antenna 41 to the eighth antenna.
- the data is transmitted to each receiving antenna 48.
- the antenna cable 5 includes an oleod portion 51, a flexible portion 52, and a base end portion 53.
- the oledome part 51 is connected to the antenna connection unit 6 by being inserted into the holding part 614a on the antenna connection unit 6 side.
- the flexible part 52 has a core wire corresponding to the number of the first receiving antenna 41 to the eighth receiving antenna 48. Specifically, the flexible part 52 has at least eight core wires.
- the base end portion 53 is connected to the connector portion 49 at a position away from the straight line passing through the reference point O1 by a predetermined distance.
- the antenna device 4 configured as described above is arranged in the internal organs of the subject 2 by arranging the first receiving antenna 41 to the eighth receiving antenna 48 with reference to the part serving as an index of the body surface of the subject 2.
- the relative position of each receiving antenna with respect to the body lumen through which the capsule-type endoscope 3 passes can be arranged with high accuracy. Accordingly, the antenna device 4 can be easily positioned on the subject 2 by a simple action of attaching the antenna device 4 to the subject 2 using the positioning hole 40a.
- a transparent member such as a transparent vinyl sheet may be provided in the positioning hole 40a.
- FIG. 10 is a plan view schematically showing configurations of the first receiving antenna 41 and the sealing structure 9 shown in FIG.
- FIG. 11 is a side view in the direction of arrow D shown in FIG. 12 is a cross-sectional view taken along line EE shown in FIG.
- FIG. 13 is a plan view showing a main part before the electronic device 41 b shown in FIG. 9 is sealed with the sealing structure 9.
- FIG. 14 is an external view showing the front side of the first resin plate portion constituting the sealing structure 9.
- FIG. 15 is an external view showing the back side of the first resin plate portion constituting the sealing structure 9.
- FIG. 16 is an external view showing the front side of the second resin plate portion constituting the sealing structure 9.
- the first receiving antenna 41 is configured using a balanced antenna. Specifically, the first receiving antenna 41 is configured by using a dipole antenna in which two element portions 41a have straight conductive wires. In the first receiving antenna 41, the conductors on the straight lines of the two element portions 41a are formed on the straight line so as to be symmetrical and have the same length. The first receiving antenna 41 is electrically connected to the element part 41a by a soldering part (not shown) of the electronic device 41b.
- the polygonal sheet 40 includes a plurality of first sheet communication hole portions 40b having a fan shape and a plurality of second sheet communication hole portions 40c formed in the polygon sheet 40 around the electronic device 41b and having a substantially circular shape. Have.
- the first sheet communication hole portion 40b has a substantially arc shape having a width, and a plurality of first sheet communication hole portions 40b are formed in the polygonal sheet 40 at predetermined intervals so as to surround the periphery of the electronic device 41b.
- the first sheet communication hole 40 b connects the front surface and the back surface of the polygonal sheet 40.
- the second sheet communication hole 40c has a substantially circular shape, and a plurality of second sheet communication holes 40c are formed at predetermined intervals so as to surround the periphery of the electronic device 41b.
- the second sheet communication hole 40c is formed on the inner peripheral side with respect to the first sheet communication hole 40b.
- the sealing structure 9 includes a first resin plate portion 91 formed on the polygonal sheet 40 around the electronic device 41 b and disposed on the electronic device 41 b, and a second sandwiching the electronic device 41 b via the polygonal sheet 40.
- the outer edge of the sealing structure 9 has a substantially circular shape and is in contact with the first receiving antenna 41 (does not overlap the element portion 41a).
- the first resin plate portion 91 has a substantially circular shape and is formed using a material harder than the polygonal sheet 40, for example, a plastic member such as engineering plastic.
- the first resin plate portion 91 includes a substantially circular lid portion 911, a substantially annular side wall 912 that extends in the vertical direction from the periphery of the lid portion 911, and extends from the side wall 912 toward the outer peripheral side.
- the first plate portion 913 provided, the second plate portion 914 provided extending from the first plate portion 913 toward the outer peripheral side, and the back surface of the polygonal sheet 40 from the second plate portion 914.
- a plurality of protrusions 915 that are substantially cylindrical and penetrate the second sheet communication hole 40 c of the polygonal sheet 40.
- the first plate portion 913 is formed with a plurality of holes 913a at predetermined intervals.
- the hole portion 913 communicates the electronic device 41 b with the outside of the first plate portion 91.
- the lid portion 911, the side wall 912, the first plate portion 913, the second plate portion 914, and the projection portion 915 are integrally formed so as to be continuously connected by injection molding. Further, the side wall 912 of the first resin plate portion 91 abuts against a part of the electronic device 41 b and presses it toward the polygonal sheet 40.
- the second resin plate portion 92 has a substantially circular shape and is formed using a material harder than the polygonal sheet 40, for example, a plastic member such as engineering plastic.
- the second resin plate portion 92 includes a bottom portion 921 that has a substantially circular shape, and a plurality of protrusion portions 922 that protrude from the vicinity of the center of the bottom portion 921 at predetermined intervals.
- the bottom portion 921 is formed with a plurality of fitting portions 921 a that are fitted to the protruding portions 915 at positions facing the protruding portions 915 of the first resin plate portion 91.
- the bottom 921 and the protrusion 922 are integrally formed so as to be continuously connected by injection molding.
- the elastic body 93 is configured using a thermoplastic member such as an elastomer.
- the elastic body 93 is provided on the outer periphery of the first resin plate portion 91 and the second resin plate portion 92 via the plurality of first sheet communication holes 40b, and the first resin plate portion 91 and the second resin plate portion 92 are provided.
- the first resin plate portion 91 and the second resin plate portion 92 are integrally molded so as to be pressed against the polygonal sheet 40.
- the elastic body 93 includes the polygonal sheet 40, the first resin plate portion 91, and the polygonal sheet 40 in a state where the polygonal sheet 40 and the electronic device 41 b are sandwiched between the first resin plate portion 91 and the second resin plate portion 92.
- the second resin plate portion 92 is integrally molded so as to be fixed.
- the elastic body 93 is filled in the gap (inside) between the first resin plate portion 91 and the electronic device 41b through the hole 913a of the first resin plate portion 91. Thereby, the elastic body 93 is filled in the periphery of the electronic device 41b. At this time, the outer edge of the elastic body 93 has a substantially circular shape and is formed in contact with the element portion 41a.
- the sealing structure 9 configured in this way, even when the polygonal sheet 40 is bent by an external force, the first resin plate portion 91 and the second resin plate portion 92 are bent in the vicinity of the electronic device 41b. Relieve (bend). As a result, no load is applied to the soldering part for connecting the electronic device 41b to the element part 41a, the reception characteristics of the first receiving antenna 41 can be maintained, and a radio signal can be received stably. Can do. Moreover, the sealing structure 9 can prevent reliably that water etc. penetrate
- the sealing structure 9 is formed so that the elastic body 93 is in contact with the element portion 41a, the difference in the dielectric constant of the elastic body 93 is not affected, and the reception characteristics of the first receiving antenna 41 can be maintained. it can. Furthermore, since the simple sealing structure 9 is formed by the 1st resin plate part 91, the 2nd resin plate part 92, and the elastic body 93, cost can be reduced. The other electronic devices 42b to 48b are similarly sealed to the polygonal sheet 40 by the sealing structure 9.
- FIG. 17 is a block diagram illustrating functional configurations of the antenna device 4 and the antenna connection unit 6.
- the first reception antenna 41 to the eighth reception antenna 48 it will be described simply as the first reception antenna 41 (element part 41a, electronic device 41b).
- the antenna connection unit 6 includes a connector portion 600 to which the antenna cable 5 is connected, an antenna switching selection switch portion 601 that selectively switches between the first reception antenna 41 to the eighth reception antenna 48, A receiving circuit 602 that performs processing such as demodulation on a radio signal received via any one of the first receiving antenna 41 to the eighth receiving antenna 48 selected by the antenna switching selection switch unit 601; and a receiving circuit 602 A signal processing circuit 603 for extracting image data and the like from the radio signal output from the receiver, a reception field strength detection circuit 604 for detecting the reception intensity based on the intensity of the radio signal output from the reception circuit 602, and a first reception.
- An antenna power switching selector 605 for supplying power to any of the antenna 41 to the eighth receiving antenna 48;
- a storage unit 606 for storing correction parameters for calibrating the detection circuit 604 and correction parameters for calibrating the first reception antenna 41 to the eighth reception antenna 48, a connector unit 64 for bidirectional transmission / reception with the reception device 7, and antenna connection
- a control unit 607 for controlling the operation of the unit 6.
- the connector cable 600 is detachably connected to the antenna cable 5.
- the connector unit 600 is electrically connected to the antenna switching selection switch unit 601 and the antenna power source switching selection unit 605.
- the antenna switching selection switch unit 601 is configured using a mechanical switch or a semiconductor switch.
- the antenna switching selection switch unit 601 is electrically connected to each of the first reception antenna 41 to the eighth reception antenna 48 via a capacitor C1.
- a switching signal S1 for switching a receiving antenna that receives a radio signal is input from the control unit 607, the antenna switching selection switch unit 601 selects, for example, the first receiving antenna 41 indicated by the switching signal S1.
- the radio signal received via the first receiving antenna 41 is output to the receiving circuit 602. Note that the capacitance of each capacitor connected to each of the first reception antenna 41 to the eighth reception antenna 48 is equal to the capacitance of the capacitor C1.
- the receiving circuit 602 performs predetermined processing, such as demodulation and amplification, on the radio signal received via the first receiving antenna 41 selected by the antenna switching selection switch unit 601, and the signal processing circuit 603. It outputs to the received electric field strength detection circuit 604, respectively.
- predetermined processing such as demodulation and amplification
- the signal processing circuit 603 extracts image data from the radio signal input from the receiving circuit 602, and performs predetermined processing such as various image processing and A / D conversion processing on the extracted image data.
- the data is output to the control unit 607.
- the signal processing circuit 603 performs amplification processing, noise reduction processing, and the like on the image data and outputs the processed image data to the control unit 607.
- the reception electric field strength detection circuit 604 detects the reception strength corresponding to the strength of the radio signal input from the reception circuit 602, and receives a received strength signal (RSSI: Received Signal Strength Indicator) corresponding to the detected reception strength. Output to.
- RSSI Received Signal Strength Indicator
- the antenna power supply switching selection unit 605 is electrically connected to each of the first reception antenna 41 to the eighth reception antenna 48 via the coil L1.
- the antenna power supply switching selection unit 605 supplies power to the first reception antenna 41 selected by the antenna switching selection switch unit 601 via the antenna cable 5.
- the antenna power source switching selection unit 605 includes a power source switching selection switch unit 605a and an abnormality detection unit 605b.
- the electrical characteristics of the coils connected to each of the first reception antenna 41 to the eighth reception antenna 48 are equal to the electrical characteristics of the coil L1.
- the power supply selection switch unit 605a is configured using a mechanical switch or a semiconductor switch. When the selection signal S2 for selecting the receiving antenna to which power is supplied is input from the control unit 607, the power supply selection selection switch unit 605a selects the first receiving antenna 41 indicated by the selection signal S2, for example. Power is supplied only to one receiving antenna 41.
- the abnormality detection unit 605b outputs, to the control unit 607, an abnormality signal indicating that an abnormality has occurred in the first receiving antenna 41 that supplies power, when an abnormality has occurred in the first receiving antenna 41 that supplies power. .
- the abnormality detection unit 605b detects a disconnection abnormality or a short circuit abnormality in the first reception antenna 41 based on the voltage supplied to the first reception antenna 41 selected by the power supply switching selection switch unit 605a. The detection result is output to the control unit 607.
- the storage unit 606 is configured using a semiconductor memory such as a flash memory or a RAM (Random Access Memory) fixedly provided inside the antenna connection unit 6.
- the storage unit 606 receives image data captured by the capsule endoscope 3 and various types of information associated with the image data, such as position information, reception intensity information, and radio signals of the capsule endoscope 3. ID information for identifying and various programs executed by the antenna connection unit 6 are stored.
- the connector unit 64 has a function as a communication interface, and performs bidirectional transmission and reception with the receiving device 7.
- the control unit 607 is configured using a CPU or the like.
- the control unit 607 reads out and executes a program from the storage unit 606, and performs overall control of the operation of the antenna connection unit 6 by giving instructions and data transfer to each unit constituting the antenna connection unit 6.
- the antenna switching selection switch unit 601, the reception circuit 602, the signal processing circuit 603, the received electric field strength detection circuit 604, the antenna power source switching selection unit 605, the storage unit 606, and the control unit 607 function as the processing substrate 63.
- control unit 607 The detailed configuration of the control unit 607 will be described. A selection control unit 607a and an abnormality information addition unit 607b are provided.
- the selection control unit 607a selects a reception antenna that receives a radio signal transmitted from the capsule endoscope 3, and performs control to supply power only to the selected reception antenna. Specifically, the selection control unit 607a determines from the capsule endoscope 3 based on the reception strength (input power) of each of the first reception antenna 41 to the eighth reception antenna 48 detected by the reception electric field strength detection circuit 604. While selecting the receiving antenna which receives the radio signal transmitted, control which supplies electric power only to the selected receiving antenna is performed. For example, the selection control unit 607a drives the antenna switching selection switch unit 601 at predetermined timings, for example, every 100 msec, and sequentially selects reception antennas that receive radio signals from the first reception antenna 41 to the eighth reception antenna 48. This process is repeated until the reception intensity detected by the reception electric field intensity detection circuit 604 reaches a predetermined value.
- the abnormality information adding unit 607b receives the signals from the first receiving antenna 41 to the eighth receiving antenna 48 when the abnormality detecting unit 605b detects an abnormality in any one of the first receiving antenna 41 to the eighth receiving antenna 48. Abnormal information indicating that an abnormality has occurred in any one of the first reception antenna 41 to the eighth reception antenna 48 is added to the radio signal. Specifically, the abnormality information adding unit 607b indicates abnormality information in the image data in which the signal processing circuit 603 performs signal processing on the radio signals received by the first receiving antenna 41 to the eighth receiving antenna 48, respectively. Add a flag.
- the first resin plate portion 91 and the first resin plate 91 and the first It is sandwiched between the two resin plate portions 92, and is molded integrally with the outer periphery of the polygonal sheet 40, the first resin plate portion 91 and the second resin plate portion 92 with the elastic body 93.
- the elastic body 93 is in close contact (watertight) with the polygonal sheet 40, so that it is possible to reliably prevent water and the like from entering the electronic devices 41b to 48b.
- the elastic body 93 is formed so as to be in contact with the element portions 41a to 48a, the difference in the dielectric constant of the elastic body 93 is not affected, and the first receiving antenna 41 to the eighth receiving antenna.
- the reception characteristics of the reception antenna 48 can be maintained.
- the sealing structure 9 is configured by the first resin plate portion 91, the second resin plate portion 92, and the elastic body 93, the cost can be reduced.
- the sealing structure 9 is substantially circular, but may be oval or square.
- FIG. 18 is a cross-sectional view showing the configuration of the sealing structure according to the first modification of the first embodiment.
- symbol is attached
- the sealing structure 100 includes a first resin plate portion 110, a second resin plate portion 120, and an elastic body 93.
- the first resin plate part 110 includes a lid part 911, a side wall 912, a first plate part 913, a second plate part 914, and a protruding part 111.
- a plurality of protruding portions 111 are provided in the vertical direction from the second plate portion 914.
- the protruding portion 111 has a claw portion 111 a that functions as an engaging portion that engages with the fitting portion 121.
- the lid portion 911, the side wall 912, the first plate portion 913, the second plate portion 914, and the protruding portion 111 are integrally formed so as to be continuously connected by injection molding using a plastic member.
- the side wall 912 and the first plate portion 913 press the electronic device 41 b toward the polygonal sheet 40.
- the second resin plate part 120 has a bottom part 921, a protruding part 922, and a fitting part 121.
- a plurality of fitting portions 121 are formed at positions facing the protrusions 111 of the first resin plate portion 110.
- the fitting portion 121 has a substantially L-shaped cross section.
- the bottom portion 921, the protrusion portion 922, and the fitting portion 121 are integrally formed so as to be continuously connected by injection molding using a plastic member.
- the claw portion 111a is formed with the projection 111 facing the outer peripheral side, so the first resin plate portion 110 and the second resin plate are caused by external force. It is possible to reliably prevent the portion 120 from coming off.
- the first resin plate portion 110 and the second resin plate portion 120 are fitted to each other at a plurality of positions by fitting and then set in a mold for elastomer processing.
- the first resin plate portion 110 and the second resin plate portion 120 can be prevented from being detached, and reattachment can be reliably prevented.
- an additional process such as fixing the first resin plate part 110 and the second resin plate part 120 with an adhesive so as not to be detached after the adhesion. ) Can be omitted, and the processing cost can be reduced.
- the protrusions 111 and the fitting parts 121 may be provided with irregularities on the surfaces so that the protrusions 111 are engaged with the fitting parts 121 by increasing the surface areas in contact with each other.
- FIG. 19 is a cross-sectional view showing a configuration of a sealing structure according to Modification 2 of Embodiment 1 of the present invention.
- symbol is attached
- the sealing structure 130 includes a first resin plate portion 140, a second resin plate portion 150, and an elastic body 93.
- the first resin plate part 140 includes a lid part 911, a side wall 912, a first plate part 913, a second plate part 914, and a protruding part 141.
- a plurality of protruding portions 141 are provided in the vertical direction from the second plate portion 914.
- the protrusion 141 is formed in a conical shape so as to become sharper toward the tip.
- the lid portion 911, the side wall 912, the first plate portion 913, the second plate portion 914, and the protruding portion 141 are integrally formed so as to be continuously connected by injection molding using a plastic member.
- the second resin plate part 150 has a bottom part 921, a protrusion part 922, and a fitting part 151.
- a plurality of first resin plate portions 140 are formed at positions facing the protruding portions 141.
- the fitting portion 151 is formed in a cylindrical shape so that the diameter decreases toward the tip.
- the bottom portion 921, the projecting portion 922, and the fitting portion 151 are integrally formed so as to be continuously connected by injection molding using a plastic member.
- the fitting portion 151 may be a cut or the like.
- the protruding part 141 presses and deforms the fitting part 151. Thereby, it can prevent that the 1st resin plate part 140 and the 2nd resin plate part 150 remove
- FIG. 20 is a cross-sectional view showing the configuration of the sealing structure according to the second embodiment.
- the sealing structure 200 shown in FIG. 20 includes a first resin plate part 210, a second resin plate part 92, and an elastic body 93.
- the first resin plate portion 210 includes a substantially circular lid portion 211, an annular side wall 212 formed along the periphery of the lid portion 211, and a plate portion 213 formed on the outer peripheral side from the side wall 212. , And a projection 214 formed in the vertical direction at a predetermined interval from the plate portion 213.
- the lid 211 has an opening 211a having a substantially circular shape.
- the cover part 211, the side wall 212, the plate part 213, and the projection part 214 are integrally formed so as to be continuously connected by injection molding using a plastic member.
- the first resin plate portion 210 is not in direct contact with the upper surface of the electronic device 41b, and the first resin plate portion 210 is pressed by the mold when the elastic body 93 is molded.
- FIG. 21 is a cross-sectional view illustrating a configuration of the sealing structure according to the first modification of the second embodiment.
- symbol is attached
- the sealing structure 300 shown in FIG. 21 is provided between the first resin plate portion 210 and the first resin plate 210 and the electronic device 41b, and the first resin plate portion 210 and the electronic device 41b are separated from each other.
- the elastic member 301 is biased.
- the elastic member 301 is configured using a spring, rubber, or the like.
- the sealing structure 300 configured as described above can mold the elastic body 93 while securely fixing the electronic device 41b without applying unnecessary pressing force to the electronic device 41b during processing.
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Abstract
Description
図1は、本発明の実施の形態1にかかるカプセル型内視鏡システムの概略構成を示す模式図である。
なお、本実施の形態1では、第1樹脂プレート部に形成された突起部および第2樹脂プレート部に形成された嵌合部の形状を変更することができる。図18は、本実施の形態1の変形例1にかかる封止構造の構成を示す断面図である。なお、上述した実施の形態1と同一の構成には同一の符号を付して説明する。
図19は、本発明の実施の形態1の変形例2にかかる封止構造の構成を示す断面図である。なお、上述した実施の形態1と同一の構成には同一の符号を付して説明する。
つぎに、本発明の実施の形態2について説明する。本実施の形態2は、上述した実施の形態1と第1樹脂プレート部の形状が異なる。このため、以下においては、第1樹脂プレート部について説明する。なお、上述した実施の形態1と同一の構成には同一の符号を付して説明する。
なお、本実施の形態2では、第1樹脂プレートの形状を変更することもできる。図21は、本実施の形態2の変形例1にかかる封止構造の構成を示す断面図である。なお、上述した実施の形態2と同一の構成には同一の符号を付して説明する。
2 被検体
3 カプセル型内視鏡
4 アンテナ装置
5 アンテナケーブル
6 アンテナ接続ユニット
7 受信装置
8 画像処理装置
8a クレードル
8b 操作入力デバイス
9,100,130,200,300 封止構造
40 多角形シート
40a 位置決め孔部
40b 第1シート連通孔部
40c 第2シート連通孔部
41 第1受信アンテナ
41a~48a エレメント部
41b~48b 電子デバイス
42 第2受信アンテナ
43 第3受信アンテナ
44 第4受信アンテナ
45 第5受信アンテナ
46 第6受信アンテナ
47 第7受信アンテナ
48 第8受信アンテナ
91,110,140,210 第1樹脂プレート部
92,120,150 第2樹脂プレート部
93 弾性体
111a 爪部
301 弾性部材
Claims (9)
- 湾曲可能な基板上に実装された電子デバイスを封止する封止構造であって、
前記基板より硬質な材料を用いて形成され、前記電子デバイスが実装された前記基板の表面と裏面とから前記基板を介して前記電子デバイスを挟み込むプレート部と、
前記プレート部の外周に設けられて該プレート部の一部を覆うとともに、該プレート部を前記基板に押し付けるように一体的に成型された弾性体と、
を備えたことを特徴とする封止構造。 - 前記弾性体は、前記基板上に設けられた前記表面と前記裏面とを連通する連通孔部を介して成型されることを特徴とする請求項1に記載の封止構造。
- 前記プレート部は、前記電子デバイスと該プレート部の外部とを連通する孔部を有し、
前記弾性体は、前記孔部を介して前記プレート部と前記電子デバイスとの隙間に充填されることを特徴とする請求項1に記載の封止構造。 - 前記プレート部は、前記電子デバイスの表面を該プレート部の外部に露出する開口部を有し、
前記弾性体は、前記開口部を介して前記プレート部と前記電子デバイスとの隙間に充填されることを特徴とする請求項1に記載の封止構造。 - 前記プレート部と前記電子デバイスとの間に設けられ、前記プレート部と前記電子デバイスが互いに離間する方向に付勢する弾性部材をさらに備えたことを特徴とする請求項1に記載の封止構造。
- 前記基板は、無線信号を受信するアンテナ部を有し、
前記弾性体の外縁は、略円形をなし、前記アンテナ部に接することを特徴とする請求項1に記載の封止構造。 - 前記プレート部は、
前記表面側に位置する第1プレート部と、
前記裏面側に位置し、前記基板を介して前記第1プレート部とともに前記電子デバイスを挟み込む第2プレート部と、
を有し、
前記第1プレート部には、前記基板を貫通して前記裏面に向けて突起する突起部が形成され、
前記第2プレート部には、前記突起部と対向する位置に前記突起部と嵌合する嵌合部が形成されていることを特徴とする請求項1に記載の封止構造。 - 前記突起部は、前記嵌合部と係合する係合部をさらに有することを特徴とする請求項7に記載の封止構造。
- 被検体内に導入されるカプセル型内視鏡から送信される無線信号を受信するアンテナ装置であって、
湾曲可能な基板と、
前記基板上に実装され、前記無線信号を受信するアンテナ部と、
前記基板上に実装され、前記アンテナ部に接続されて前記アンテナ部が受信した前記無線信号に対して所定の処理を行う電子デバイスと、
前記電子デバイスを封止する封止構造と、
を備え、
前記封止構造は、
前記基板より硬質な材料を用いて形成され、前記電子デバイスが実装された前記基板の表面と裏面とから前記基板を介して前記電子デバイスを挟み込むプレート部と、
前記プレート部の外周に設けられて該プレート部の一部を覆うとともに、該プレート部を前記基板に押し付けるように一体的に成型された弾性体と、
を有することを特徴とするアンテナ装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP12873209.6A EP2832281B1 (en) | 2012-03-30 | 2012-11-26 | Sealing structure and antenna device |
JP2013536741A JP5385492B1 (ja) | 2012-03-30 | 2012-11-26 | 封止構造およびアンテナ装置 |
CN201280039895.9A CN103732118B (zh) | 2012-03-30 | 2012-11-26 | 密封构造及天线装置 |
US13/975,906 US9186040B2 (en) | 2012-03-30 | 2013-08-26 | Sealing structure and antenna apparatus |
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JP2012-082517 | 2012-03-30 | ||
JP2012082517 | 2012-03-30 |
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US13/975,906 Continuation US9186040B2 (en) | 2012-03-30 | 2013-08-26 | Sealing structure and antenna apparatus |
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WO2013145438A1 true WO2013145438A1 (ja) | 2013-10-03 |
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EP (1) | EP2832281B1 (ja) |
JP (1) | JP5385492B1 (ja) |
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CN103732118A (zh) | 2014-04-16 |
CN103732118B (zh) | 2016-02-17 |
US9186040B2 (en) | 2015-11-17 |
US20140058196A1 (en) | 2014-02-27 |
EP2832281A1 (en) | 2015-02-04 |
JP5385492B1 (ja) | 2014-01-08 |
EP2832281B1 (en) | 2017-07-12 |
EP2832281A4 (en) | 2015-11-25 |
JPWO2013145438A1 (ja) | 2015-12-10 |
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