CN104344806A - Laser range finder - Google Patents
Laser range finder Download PDFInfo
- Publication number
- CN104344806A CN104344806A CN201310321318.5A CN201310321318A CN104344806A CN 104344806 A CN104344806 A CN 104344806A CN 201310321318 A CN201310321318 A CN 201310321318A CN 104344806 A CN104344806 A CN 104344806A
- Authority
- CN
- China
- Prior art keywords
- range finder
- laser range
- laser
- receiver lens
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention provides a laser range finder, which comprises a shell, a laser module, an emission lens, a receiving lens, an optical path bracket, a display module, a circuit board and a battery. The optical path bracket is used for bearing the laser module, the emission lens and the receiving lens. Specifically, the receiving lens is disposed at one end face of the shell, the long edge of the end face is in the width direction, the short edge of the end face is in the height direction, the receiving lens is flat, the long axis of the receiving lens is disposed in the width direction, the short axis of the receiving lens is disposed in the height direction, and the display module is arranged in the height range of the optical path bracket. With a small size, the laser range finder provided by the invention is convenient to carry, and has rich functions.
Description
Technical field
The present invention relates to laser tool field, and relate to a kind of laser range finder especially.
Background technology
Laser range finder utilizes laser to carry out the instrument of Accurate Determining to the distance of target.Laser range finder is operationally to a branch of very thin laser of target injection, and the laser beam reflected by photovalve receiving target, timer measures laser beam from the time being transmitted into reception, calculates from observer's range-to-go.Existing laser range finder size comparatively large (being greater than 21mm), and its purposes is only for for DATA REASONING, and function ratio is more single, and operation interface is complicated, more and more can not meet the demand of user.
Summary of the invention
In view of above content, be necessary to provide a kind of size less, portable laser range finder.
In order to improve the portability of laser range finder and reduce the thickness of laser range finder, first the present invention proposes a kind of laser range finder, comprises housing, laser module, receiver lens, light path support, display module, circuit board and battery.Light path support is for carrying described laser module and receiver lens.Wherein: receiver lens is arranged at an end face of housing, the direction, place, long limit of described end face is Width, the direction, minor face place of described end face is short transverse, receiver lens is flat, receiver lens long axis Width is arranged, the minor axis of receiver lens is arranged along short transverse, and display module is arranged in the altitude range of light path support.
Further, wherein the major axis of receiver lens and the dimension scale of minor axis are 1.1:1 ~ 5:1, are preferably 2:1.
Further, the thickness of described laser range finder is 6 ~ 20mm, is preferably 16mm.
Further, wherein said receiver lens is rectangle, ellipse, rhombus or trapezoidal.
Further, wherein said battery is lithium battery, and the thickness of described lithium battery is 2mm ~ 8mm.
For making the function of laser range finder abundanter, laser range finder of the present invention also comprises a catoptron, catoptron is arranged in the housing of described laser range finder, and described housing has light mouth and beam projecting mouth, described light mouth and beam projecting mouth lay respectively at catoptron incident ray side and emergent ray side, and the receiver lens of described light mouth and laser range finder is arranged on the same end face of laser range finder.The angle that wherein catoptron and light mouth place axis are formed is 45 degree.
In sum, laser range finder of the present invention have employed applanation lens, and the position arrangement design passed through between the display module of its enclosure interior and light path support, make the relatively existing laser range finder of laser range finder thinner, be convenient to user carry and receive, the routine use of user is provided a great convenience.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of the laser range finder of first embodiment of the invention.
Fig. 2 is the schematic block circuit diagram of the laser range finder of first embodiment of the invention.
Fig. 3 is the schematic diagram of end face S in Fig. 1.
Fig. 4 is the inner structure schematic perspective view of the laser range finder in Fig. 1.
Fig. 5 is the inner structure floor map of the laser range finder in Fig. 1.
Fig. 6 is the schematic diagram of the laser range finder of second embodiment of the invention.
Fig. 7 is schematic internal view when laser range finder is connected to handheld terminal in Fig. 5.
Light path schematic diagram when Fig. 8 is the laser range finder observation distant place point distance measurement in application drawing 5.
Observation that Fig. 9 is angle when being 40 degree at a distance point distance measurement time light path schematic diagram.
Figure 10 is the schematic appearance of the laser range finder of third embodiment of the invention.
Figure 11 is the schematic block circuit diagram of the laser range finder of third embodiment of the invention.
Figure 12 is the using method process flow diagram of the laser range finder in Figure 11.
Figure 13 is the connection diagram of the range measurement system of fourth embodiment of the invention.
Figure 14 is the schematic block circuit diagram of distance measuring equipment in Figure 13.
Figure 15 is the schematic block circuit diagram of intelligent terminal in Figure 13.
Figure 16 is the using method process flow diagram of range measurement system.
Figure 17 is the operation interface schematic diagram of application program of finding range in distance measuring equipment.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
first embodiment
Please refer to Fig. 1-Fig. 5, laser range finder 100 comprises housing 101, laser module 102, diversing lens 103, receiver lens 104, light path support 105, display module 106, circuit board 107 and battery 108.The circuit part of laser range finder comprises: power module, processing unit, laser emitting module, laser pick-off module, display unit and operating means.Power module comprises battery 108 and related circuit, and display unit is arranged on circuit board 107.
Light path support 105 is for carrying described laser module 102, diversing lens 103 and receiver lens 104.Receiver lens 104 is arranged at the end face S of housing 101.The direction, place, long limit of definition end face S is Width, the direction, minor face place of end face S is short transverse, receiver lens 104 is in flat, receiver lens major axis A is arranged in the width direction, the minor axis B of receiver lens is arranged along short transverse, and as shown in Figure 4, display module 106 is arranged in the altitude range of light path support 105, namely the upper surface F1 of display module 106 does not exceed the upper surface F2 of light path support 105, and the lower surface of display module 106 is not less than the lower surface of light path support 105.
Further, the major axis A of receiver lens 104 and the dimension scale of minor axis B are 1.1:1 ~ 5:1, and be preferably 2:1 in the present embodiment, the height H of laser range finder is 6 ~ 20mm, are preferably 16mm in the present embodiment.
In the present embodiment, described receiver lens 104 is rectangle, but in other embodiments, described receiver lens can be oval, rhombus or trapezoidal, requires as long as the effective area of shining light of receiver lens 104 can meet range finding.
Further, in the present embodiment, battery 108 is lithium battery, and the thickness of lithium battery is generally 2mm ~ 8mm, is preferably 3mm, effectively can reduces the thickness of laser range finder in the present embodiment.In all the other embodiments, battery 108 also can be the dry cell that size is less.
Above-mentioned laser range finder is owing to have employed flat receiver lens, and the position arrangement design passed through between the display module of its enclosure interior and light path support, make the relatively existing laser range finder of laser range finder thinner, be convenient to user carry and receive, the routine use of user is provided a great convenience.
second embodiment
For making the function of laser range finder abundanter, the present invention separately proposes a kind of laser range finder 500, is suitable for dismountablely being connected to the handheld terminal 600 that has camera.Please refer to Fig. 6 to Fig. 9, laser range finder 500 in the present embodiment and the laser range finder 100 in the first embodiment similar, its difference is, laser range finder 500 also comprises a catoptron 501, catoptron 501 is arranged in housing 502, and described housing has light mouth 503 and beam projecting mouth 504, light mouth 503 and beam projecting mouth 504 lay respectively at catoptron 501 incident ray side and emergent ray side, and described light mouth 503 is arranged on the same end face of laser range finder with the receiver lens 505 of laser range finder, and described beam projecting mouth 504 adapts with the position of described camera 601.
In the present embodiment, the angle that catoptron 501 and light mouth 503 place axis L1 are formed is preferably 45 degree.
Further, described catoptron light mouth 503 and beam projecting mouth 504 are provided with dustproof element 506,507.
In addition, in the present embodiment, described housing 502 is also provided with a clamping element 508, for laser range finder 500 and handheld terminal 600 are clamped, is more convenient to user and observes point distance measurement image by the display screen of handheld terminal.Clamping element 508 can be one-body molded with housing 502, also can be that an independent shaping element is connected with housing 502 by bonding way.During embody rule, first the beam projecting mouth 504 on laser range finder 500 is aimed at camera 601, and laser range finder 500 and handheld terminal 600 can be realized by clamping element 508 both relative fixing between position.Open the camera application programs on handheld terminal 600, due to the effect of catoptron 501, point distance measurement W can form a virtual image W ' by catoptron 501, and this virtual image W ' can be shown in the display screen of handheld terminal 600 by camera 601.As shown in Figure 8, the virtual image W ' now taken by camera 601 and point distance measurement W are not completely the same, but are rotated through certain angle.How on a display screen display and the on all four image of point distance measurement W, multiple implementation can be had, such as by arranging software or arrange one group of lens at beam projecting mouth 504 place of catoptron 501 in mobile phone, these modes all can realize the rotation of image, and embodiment is not described in detail herein.
Further, in the present embodiment, the angle that catoptron 501 and light mouth 503 place axis L1 are formed is preferably 45 degree, certainly in other embodiments, described angle is 40 degree ~ 50 degree, as long as meet catoptron 501 to receive these two conditions of shooting area that the image of point distance measurement and point distance measurement imaging in catoptron can enter camera 601 simultaneously, the anglec of rotation that what variable angle directly affected is between image that display screen observes and point distance measurement W material object, such as, when angle is 45 degree, the image of display screen display is that dextrorotation turn 90 degrees, and angle is when being 40 degree, the image relative point distance measurement W material object of the virtual image W ' ' of display screen display turns clockwise 100 degree, as shown in Figure 9, accordingly, when angle is 50 degree, the image point distance measurement W material object of the virtual image W ' ' of display screen display turns clockwise 80 degree.
In sum, laser range finder inside is provided with a catoptron, the location drawing picture of laser spots at a distance can be shown on mobile phone clearly by mating of the camera with handheld terminal, be convenient to user observe, thus the telescopic system that can replace in existing laser range finder, greatly reduce the cost of laser range finder.
3rd embodiment
As Figure 10-12, in the present embodiment, similar in the structure of laser range finder and circuit and the first embodiment, difference is, in the present embodiment, laser range finder also comprises a multifunctional unit button B.Electricity multifunctional unit button connects described processing unit, and multifunctional unit button is for controlling state change and the optimum configurations of laser range finder.And as shown in Figure 10, described multifunctional unit button is arranged on the side of housing, user's operation can be convenient to like this, nor the size of the thickness direction of laser range finder can be increased, be beneficial to the lower thickness of laser range finder.
Described multifunctional unit button B is configured to have following function:
When laser range finder is in off-mode, the laser range finder that pushes button is unlocked, and is in holding state;
When laser range finder is in holding state, long by (such as more than 3s) described button, laser range finder can shut down or change optimum configurations, and described optimum configurations comprises and arranges measuring unit, arrange measuring basis or arrange measurement pattern; Short in described button, laser range finder can open laser, again short button, carries out range observation, gets back to holding state again after having measured;
When described laser range finder is in laser open mode, long by described button, laser range finder can shut down or change optimum configurations.
Further, when laser range finder is in holding state or laser open mode, if exceed certain hour (as more than 5s) do not have actuation of keys, laser range finder meeting automatic shutdown; And when described laser range finder is in laser open mode, if long by described button, laser range finder can automatically return to virgin state (holding state or laser open mode) after changing optimum configurations.
Figure 12 is the using method process flow diagram of the laser range finder in Figure 10, and method of operating comprises the following steps:
First, laser range finder is started shooting, and is in holding state;
Judge whether the stand-by time of holding state is more than or equal to 5s, if so, then described laser range finder shutdown, otherwise judge whether described multifunctional unit button is pressed, if not, then laser range finder continues keep holding state and judge stand-by time;
If multifunctional unit button is pressed, then judge whether the time that multifunctional unit button is pressed is more than or equal to 3s, if be more than or equal to 3s, then represent long button, laser range finder shuts down, otherwise, press for short;
Press if short, then continue to judge that laser range finder is in laser open mode, if it is directly range observation is carried out, otherwise first open laser, judge after opening laser whether laser on-time is more than or equal to 5s, if it is shut down, otherwise continue to judge whether button is pressed, if and key time durations is less than 3s, then carry out measurement action, if button is pressed and the duration is more than or equal to 3s, then shut down, if do not have button to press, then laser range finder continues to keep laser open mode, range observation terminates rear laser range finder and keeps holding state.
In the present embodiment, multifunctional unit by bond distance by after reaching 3s, laser range finder shuts down, but in all the other embodiments, the length of described button can change measuring unit by action, changes measuring basis or change measurement pattern, such as by measuring unit rice and centimetre between switch, measuring basis is switched between machine front end and bottom, measurement pattern is switched between single measurement and continuous coverage, be just not described in detail at this.
In the present embodiment, multifunctional unit button have long by with short by these two kinds of different operation modes, controller is by judging it is that the time length that button triggers realizes different actions, but in other embodiments, multifunctional unit button can have the operator scheme clicked or double-click, controller by judging that the triggering times of multifunctional unit button and the time interval between triggering for several times realize different operations, method of operating flow process and the present embodiment similar, be not described in detail herein.
In the present embodiment, a multifunctional unit button is provided with in laser range finder, by function i ntegration such as the start of laser range finder, shutdown, single measurement, continuous coverage or measuring basis switchings on this button, decrease the quantity of button, simplify the operation interface of user, make operation simpler and easy, also can reduce the cost simultaneously.
4th embodiment
Figure 13 is the schematic diagram of fourth embodiment of the invention, and Figure 14 is the schematic block circuit diagram of distance measuring equipment in the present embodiment, and Figure 15 is the schematic block circuit diagram of intelligent terminal in the present embodiment.
As illustrated in figs. 13-15, measuring system 10 comprises measurement mechanism 110 and mobile phone 120.In the present embodiment, measurement mechanism 110 is a distance measuring equipment, and similar in the structure of described distance measuring equipment 110 and circuit and the first embodiment, and difference is, distance measuring equipment 110 also comprises bluetooth module.In the present embodiment, described distance measuring equipment 110 also comprises display device and operating means, and in all the other embodiments, distance measuring equipment 110 can without the need to arranging display device and operating means.
Mobile phone 120 comprises battery, controller, storer, antenna, bluetooth module, display module and operating means, the specific works principle of mobile phone is not described in detail at this, in the present embodiment, range finding application program (APP) is also had in the storer of mobile phone 120, user runs described range finding application program, the bluetooth module of wireless connections mobile phone and the bluetooth module of distance measuring equipment, just can be started shooting by the carrying out controlling described distance measuring equipment on mobile phone or the action such as measurement.
The using method of the range measurement system in the present embodiment, specifically comprises the following steps, with reference to Figure 16:
A) start the range finding application program in mobile phone, the operation interface of range finding application program as shown in figure 17;
B) Bluetooth of mobile phone module starts the Bluetooth signal searching for distance measuring equipment;
C) mobile phone judges whether the answer signal receiving distance measuring equipment, if not, continues step b);
If d) mobile phone receives the answer signal of distance measuring equipment, then judge the connection establishment between mobile phone and distance measuring equipment, by the start of range finding application program controlling distance measuring equipment, distance measuring equipment is in holding state;
E) distance measuring equipment judges whether stand-by time is more than or equal to 5s, if it is distance measuring equipment shutdown;
Otherwise the stand-by time of distance measuring equipment is less than 5s f), distance measuring equipment judges whether the control command receiving mobile phone, if do not had, continues to keep holding state, otherwise distance measuring equipment performs corresponding action, described action comprises: measurement, handover measurement benchmark, handover measurement unit etc.
Certainly after described action executing completes, the display module of action executing result by distance measuring equipment itself can also be shown, the display device that also execution result can be sent to mobile phone by bluetooth module carries out showing and carries out subsequent treatment, is not limited herein.
In the present embodiment, be the Bluetooth signal removing to find distance measuring equipment by the bluetooth module of mobile phone in the process connected, conversely, the bluetooth module of distance measuring equipment can certainly be utilized to remove the Bluetooth signal of searching mobile phone, this is not described in detail herein.
And in the present embodiment, realize wireless identification and connection by bluetooth module between mobile phone and distance measuring equipment, in all the other embodiments, also wireless identification and connection can be realized by NFC between mobile phone and distance measuring equipment, the difference of NFC and bluetooth is only, NFC can realize Auto-matching, certainly be dynamically connected, and bluetooth needs manually to mate, and the present invention does not add any restriction to this.
In the present embodiment, described measurement mechanism is a distance measuring equipment, and in other embodiments, measurement mechanism can be levelness measuring device, angle measurement unit or other survey instruments, and the present invention is without restriction to this.
In sum, first intelligent terminal is connected with measurement mechanism by measuring system, then sending control command by intelligent terminal to measurement mechanism goes control and measure device to perform corresponding action, measurement mechanism like this just can no longer arrange button and display device, and after measurement result is sent to intelligent terminal by measurement mechanism, can subsequent treatment be supplied, improve the applicability of measurement result.
More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (10)
1. a laser range finder, comprise housing, laser module, receiver lens, light path support, display module, circuit board and battery, light path support is for carrying described laser module and receiver lens, it is characterized in that, wherein: receiver lens is arranged at an end face of housing, the direction, place, long limit of described end face is Width, the direction, minor face place of described end face is short transverse, receiver lens is flat, receiver lens long axis Width is arranged, the minor axis of receiver lens is arranged along short transverse, and display module is arranged in the altitude range of light path support.
2. laser range finder according to claim 1, is characterized in that, wherein the major axis of receiver lens and the dimension scale of minor axis are 1.1:1 ~ 5:1.
3. laser range finder according to claim 2, is characterized in that, wherein the major axis of receiver lens and the dimension scale of minor axis are 2:1.
4. laser range finder according to claim 1, is characterized in that, the thickness of wherein said laser range finder is 6 ~ 20mm.
5. laser range finder according to claim 4, is characterized in that, the thickness of wherein said laser range finder is 16mm.
6. laser range finder according to claim 1, is characterized in that, wherein said receiver lens is rectangle, ellipse, rhombus or trapezoidal.
7. laser range finder according to claim 1, is characterized in that, wherein said battery is lithium battery.
8. laser range finder according to claim 7, is characterized in that, the thickness of wherein said lithium battery is 2mm ~ 8mm.
9. laser range finder according to claim 1, it is characterized in that, wherein also comprise a catoptron, catoptron is arranged in the housing of described laser range finder, and described housing has light mouth and beam projecting mouth, described light mouth and beam projecting mouth lay respectively at catoptron incident ray side and emergent ray side, and the receiver lens of described light mouth and laser range finder is arranged on the same end face of laser range finder.
10. laser range finder according to claim 9, is characterized in that, the angle that wherein catoptron and light mouth place axis are formed is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321318.5A CN104344806A (en) | 2013-07-26 | 2013-07-26 | Laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321318.5A CN104344806A (en) | 2013-07-26 | 2013-07-26 | Laser range finder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104344806A true CN104344806A (en) | 2015-02-11 |
Family
ID=52500919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310321318.5A Pending CN104344806A (en) | 2013-07-26 | 2013-07-26 | Laser range finder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104344806A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289170A (en) * | 2016-09-21 | 2017-01-04 | 清华大学 | A kind of multifunctional digital integrated building construction engineering test instrument |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063061Y (en) * | 2007-07-04 | 2008-05-21 | 南京德朔实业有限公司 | Laser ranging component |
| CN101268398A (en) * | 2005-09-20 | 2008-09-17 | 罗伯特·博世有限公司 | Method for mounting and alignment of an electro-optical apparatus and measuring device mounted and aligned according to a method of this type |
| EP2051102A1 (en) * | 2007-10-18 | 2009-04-22 | Leica Geosystems AG | Adjustable electro-optical measuring device |
| CN201781187U (en) * | 2010-08-27 | 2011-03-30 | 华信光电科技股份有限公司 | Light emitter |
| CN102419165A (en) * | 2011-08-16 | 2012-04-18 | 福建汇川数码技术科技有限公司 | Positioning method of distance measurement laser point of remote distance measurement system based on coaxial laser and camera |
| US20120133917A1 (en) * | 2010-11-30 | 2012-05-31 | Hilti Aktiengesellschaft | Distance measuring device and surveying system |
| WO2012089420A1 (en) * | 2010-12-28 | 2012-07-05 | Robert Bosch Gmbh | Hand-held laser distance measuring device |
-
2013
- 2013-07-26 CN CN201310321318.5A patent/CN104344806A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268398A (en) * | 2005-09-20 | 2008-09-17 | 罗伯特·博世有限公司 | Method for mounting and alignment of an electro-optical apparatus and measuring device mounted and aligned according to a method of this type |
| CN201063061Y (en) * | 2007-07-04 | 2008-05-21 | 南京德朔实业有限公司 | Laser ranging component |
| EP2051102A1 (en) * | 2007-10-18 | 2009-04-22 | Leica Geosystems AG | Adjustable electro-optical measuring device |
| CN201781187U (en) * | 2010-08-27 | 2011-03-30 | 华信光电科技股份有限公司 | Light emitter |
| US20120133917A1 (en) * | 2010-11-30 | 2012-05-31 | Hilti Aktiengesellschaft | Distance measuring device and surveying system |
| WO2012089420A1 (en) * | 2010-12-28 | 2012-07-05 | Robert Bosch Gmbh | Hand-held laser distance measuring device |
| CN102419165A (en) * | 2011-08-16 | 2012-04-18 | 福建汇川数码技术科技有限公司 | Positioning method of distance measurement laser point of remote distance measurement system based on coaxial laser and camera |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289170A (en) * | 2016-09-21 | 2017-01-04 | 清华大学 | A kind of multifunctional digital integrated building construction engineering test instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203551779U (en) | Laser rangefinder | |
| CN106550181B (en) | Camera module and terminal equipment | |
| CN104345316A (en) | Laser range finder | |
| US9995577B2 (en) | Measuring system and operating method thereof | |
| KR20210056434A (en) | Assistance function start-up method and apparatus, device and readable storage medium | |
| KR102412849B1 (en) | mobile terminal | |
| TW201635092A (en) | Display device, electronic device, hand-wearing device and control system | |
| TW201324282A (en) | Portable optical touch system and operating method thereof | |
| CN104344805A (en) | Laser range finder and operation method thereof | |
| CN206540831U (en) | handheld Raman spectrum detecting device | |
| KR20150135188A (en) | Grip type remote control photographing apparatus | |
| JP2012099024A (en) | Coordinate input device, control method for the same and program | |
| US11252387B2 (en) | Projection apparatus, projection method and storage medium | |
| KR20140127141A (en) | Camera apparatus and wireless comunication terminal | |
| CN104345315A (en) | Measuring system and use method thereof | |
| CN102200681A (en) | Miniaturized projection image display apparatus | |
| CN104344806A (en) | Laser range finder | |
| CN113191976B (en) | Image shooting method, device, terminal and storage medium | |
| CN114299468A (en) | Method, device, terminal, storage medium and product for detecting convergence of lane | |
| CN208386740U (en) | The CCD camera assembly and electronic device of electronic device | |
| CN210609429U (en) | Infrared laser projection equipment | |
| US9367175B2 (en) | Camera module for optical touchscreen | |
| CN108600830B (en) | Channel searching method, device and storage medium | |
| CN207663058U (en) | A kind of laser range finder | |
| US20220124239A1 (en) | Operating method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150211 |
|
| RJ01 | Rejection of invention patent application after publication |