CN107332550B - Correlation formula photoelectric switch - Google Patents
Correlation formula photoelectric switch Download PDFInfo
- Publication number
- CN107332550B CN107332550B CN201710701535.5A CN201710701535A CN107332550B CN 107332550 B CN107332550 B CN 107332550B CN 201710701535 A CN201710701535 A CN 201710701535A CN 107332550 B CN107332550 B CN 107332550B
- Authority
- CN
- China
- Prior art keywords
- laser
- infrared
- opening
- receiving end
- receiving
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/941—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector
Landscapes
- Lasers (AREA)
Abstract
The invention discloses a correlation photoelectric switch, which comprises a transmitting end and a receiving end, wherein the transmitting end comprises a transmitting end shell, a laser transmitting end and an infrared transmitting end, the receiving end comprises a receiving end shell, a laser receiving end and an infrared receiving end, the transmitting end shell is provided with a first opening and a second opening on a transmitting surface, the laser transmitting end is arranged in a first cavity, the infrared transmitting end is arranged at a corresponding position in the second cavity, the receiving end shell is provided with a third opening and a fourth opening on a receiving surface, the laser receiving end is arranged in the third cavity, the infrared transmitting end is arranged at a corresponding position in the fourth cavity, the transmitting surface and the receiving surface edge are distributed in an extending way to form a first outer frame and a second outer frame, a first movable cover plate and a second movable cover plate are respectively embedded in the first outer frame and the second outer frame, and the first outer frame and the second outer frame are provided with clamping structures.
Description
Technical Field
The invention relates to a photoelectric switch, in particular to a correlation type photoelectric switch.
Background
The correlation type photoelectric switch comprises a transmitter and a receiver which are structurally separated from each other and are arranged with optical axes opposite to each other, and when an object to be detected passes between the transmitter and the receiver and blocks light, the photoelectric switch generates a switch signal. When the detection object is opaque, the detection mode is most reliable when the correlation type photoelectric switch is used. However, because the emission of light has a divergence phenomenon, the detection object or the receiver can receive light within a certain pointing angle, and therefore, when the detection object or the receiver is installed, the correlation type photoelectric switch needs to be corrected, and the measurement error is avoided. At present, external equipment or facilities are mostly used for correction in the installation process, and the alignment and correction operation of the transmitter and the receiver is more complicated.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a correlation photoelectric switch.
In order to achieve the purpose, the invention adopts the following technical scheme: a correlation photoelectric switch comprises a transmitting end and a receiving end, wherein the transmitting end comprises a transmitting end shell, a laser transmitting end and an infrared transmitting end, the receiving end comprises a receiving end shell, a laser receiving end and an infrared receiving end, the transmitting end shell is provided with a first opening and a second opening in a transmitting surface in a correlation manner, a first baffle is positioned at the joint of the first opening and the second opening, the transmitting end shell is separated to form a first cavity and a second cavity, the first opening is positioned above the second opening, the laser transmitting end is arranged in the first cavity, the infrared transmitting end is arranged in the corresponding position in the second cavity, the receiving end shell is provided with a third opening and a fourth opening in a receiving surface in a correlation manner, the second baffle is positioned at the joint of the third opening and the fourth opening, the receiving end shell is separated to form a third cavity and a fourth cavity, and the third opening is positioned above the fourth opening, the laser receiving end is arranged in the third cavity, the infrared transmitting end is arranged at the corresponding position in the fourth cavity, the edges of the transmitting surface and the receiving surface extend to form a first outer frame and a second outer frame, the first movable cover plate and the second movable cover plate are respectively embedded in the first outer frame and the second outer frame, the first movable cover plate is consistent with the first opening in size, the second movable cover plate is consistent with the third opening in size, and the first outer frame and the second outer frame are provided with clamping structures.
Preferably, the first outer frame and the second outer frame are provided with clamping structures at extending positions corresponding to the first baffle and the second baffle, the clamping structures are clamping screws, and the corresponding positions at two ends of the first movable cover plate and the second movable cover plate are provided with screw holes matched with each other.
Preferably, the laser transmitting end and the infrared transmitting end are respectively externally connected with a laser transmitting end interface and an infrared transmitting end interface at the transmitting end shell, and the laser receiving end and the infrared receiving end are respectively externally connected with a laser receiving end interface and an infrared receiving end interface at the tail part of the receiving end shell.
Preferably, the laser emission end comprises a laser emission circuit control panel, a laser generator and a first focusing module, the laser emission circuit control panel is connected with the laser generator, a first focusing module is arranged in front of the laser generator, the laser emission circuit control panel further comprises a laser emission power circuit, the laser emission power circuit is a laser rectification filtering voltage stabilizing circuit, the first focusing module comprises a first lens and a first convex lens, the laser generator is positioned at the focus of the first convex lens, the first lens is hermetically fixed at the first opening of the shell, the infrared emission end comprises an infrared emission circuit control panel, an infrared emitter and a second focusing module, the infrared emission circuit control panel is connected with the infrared emitter, a second focusing module is arranged in front of the infrared emitter, the second focusing module comprises a second lens and a second convex lens, the infrared emitter is positioned at the focus of the second convex lens, and the second lens is hermetically fixed at the second opening of the emitting end shell.
Preferably, the laser receiving end comprises a laser receiving circuit control board, a laser receiver and a laser filtering module, the laser receiving circuit control board is connected with a laser receiver, a laser filtering module is arranged in front of the laser receiver, the filtering module comprises a third lens, a third convex lens and a laser filter, the laser receiver is positioned at the focus of the convex lens, the third lens is fixed at the third opening of the shell in a sealing way, the infrared receiving end comprises an infrared receiving circuit control board, an infrared receiver and an infrared filtering module, the infrared receiving circuit control board is connected with an infrared receiver, an infrared filtering module is arranged in front of the infrared receiver, the infrared filtering module comprises a fourth lens, a fourth convex lens and an infrared filter, the infrared receiver is located at the focus of the convex lens, and the fourth lens is fixed at a fourth opening of the shell in a sealing mode.
Preferably, the laser generator is an optical fiber laser generator, and the laser receiver is a phototriode.
Preferably, the infrared emitter is an infrared light emitting diode, and the infrared receiver is a phototriode.
Preferably, the laser filter is a laser filter transmitting infrared light with a wavelength of more than 760nm, and the infrared filter is a black glass long-wave pass filter.
Preferably, the transmitting end housing and the receiving end housing are made of plastic.
Preferably, the first movable cover plate and the second movable cover plate are made of opaque materials.
The invention has the beneficial effects that:
1) the installation and correction operation is simplified, the alignment and correction operation is carried out through the visible laser transmitter, meanwhile, the corresponding infrared light path is corrected in an auxiliary manner, and the installation and correction difficulty of technicians is reduced;
2) the applicability is wide, the correlation type photoelectric switch is provided with two optical paths of infrared light and laser light, can be switched for use, and is suitable for various operating environments, the correlation type laser photoelectric switch has stronger directivity compared with a traditional infrared light source photoelectric switch, and the laser light is visible to naked eyes, so that the daily maintenance and supervision of technical personnel are facilitated;
3) the accuracy of the photoelectric switch is improved, and the anti-interference performance of the photoelectric switch is further enhanced through the focusing module and the filtering module.
Drawings
Fig. 1 is a schematic structural diagram of a correlation-type photoelectric switch (receiving end) according to the present invention.
Fig. 2 is an internal cross-sectional view of a receiving-end housing of a correlation photoelectric switch according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a correlation photoelectric switch comprises a transmitting end and a receiving end, the transmitting end comprises a transmitting end shell, a laser transmitting end and an infrared transmitting end, the receiving end comprises a receiving end shell 1, a laser receiving end and an infrared receiving end, the transmitting end shell is provided with a first opening and a second opening at the transmitting surface, a first baffle is positioned at the joint of the first opening and the second opening, the transmitting end shell is divided to form a first cavity and a second cavity, the first opening is positioned above the second opening, the laser transmitting end is arranged in the first cavity, the infrared transmitting end is arranged at the corresponding position in the second cavity, the receiving end shell is provided with a third opening and a fourth opening at the receiving surface, the second baffle is positioned at the joint of the third opening and the fourth opening, the receiving end shell is divided to form a third cavity 3 and a fourth cavity 2, the third opening is positioned above the fourth opening, the laser receiving end is arranged in the third cavity, the infrared transmitting end is arranged at the corresponding position in the fourth cavity 2, the edge of the transmitting surface and the edge of the receiving surface extend to form a first outer frame and a second outer frame 5, the first movable cover plate and the second movable cover plate 4 are respectively embedded in the first outer frame and the second outer frame 5, the first movable cover plate is consistent with the first opening in size, the second movable cover plate 4 is consistent with the third opening in size, and the first outer frame and the second outer frame 5 are provided with clamping structures.
The utility model provides a correlation formula photoelectric switch, first frame, second frame 5 are equipped with the screens structure on the extended position who corresponds first baffle, second baffle, the screens structure is the screens screw, first removal apron, the second remove and all be equipped with assorted screw in 4 both ends relevant position of apron. When the dustproof cover plate is used, the unused light path opening is covered by the movable cover plate, the clamping screw is screwed up through the screw hole for fixing, and the unused light path opening is covered for dust prevention to achieve a protective effect.
The utility model provides a correlation formula photoelectric switch, the screens structure is the flip structure, and the department of meeting is equipped with the flip axle at the opening of casing side, first removal apron, second remove 4 one ends of apron and are fixed in the flip axle, and first removal apron and second remove the apron 4 inside and outside two sides and be equipped with different recesses, and first frame is equipped with the assorted recess respectively at first opening and second opening, and the second frame is equipped with the assorted recess respectively at third opening and fourth opening, moves apron 4 according to using the light path to first removal apron, second during the use and adjusts, removes the apron through assorted recess block, accomplishes the screens operation.
The utility model provides a correlation formula photoelectric switch, laser emission end and infrared emission end are external laser emission end interface and infrared emission end interface respectively at the transmitting end casing, laser receiving end and infrared receiving end are external laser receiving end interface 16 and infrared receiving end interface 17 respectively at receiving end casing afterbody.
A correlation photoelectric switch, the laser emission end includes laser emission circuit control panel, laser generator, first focusing module, the laser emission circuit control panel connects laser generator, the first focusing module is set in front of laser generator, the laser emission circuit control panel also includes laser emission power circuit, the laser emission power circuit is laser rectification filtering voltage stabilizing circuit, the first focusing module includes first lens and first convex lens, the laser generator is located at the focus of first convex lens, the first lens is fixed at the first opening of the shell in sealing way, the infrared emission end includes infrared emission circuit control panel, infrared emitter, second focusing module, the infrared emission circuit control panel connects infrared emitter, the second focusing module is set in front of infrared emitter, the second focusing module includes second lens and second convex lens, the infrared emitter is positioned at the focus of the second convex lens, and the second lens is hermetically fixed at the second opening of the emitting end shell.
A correlation photoelectric switch, the laser receiving end includes laser receiving circuit control panel 14, laser receiver 12 and laser filtering module, laser receiving circuit control panel 14 connects laser receiver 12, be equipped with laser filtering module before laser receiver 12, filtering module includes third lens 6, third convex lens 10 and laser filter 8, laser receiver 12 is located the focus of third convex lens 10, third lens 6 sealed is fixed in the third opening of receiving end casing 1, the infrared receiving end includes infrared receiving circuit control panel 15, infrared receiver 13 and infrared filtering module, infrared receiving circuit control panel 15 connects infrared receiver 13, infrared filtering module is equipped with in front of infrared receiver 13, infrared filtering module includes fourth lens 7, fourth convex lens 11 and infrared filter 9, the infrared receiver 13 is located at the focus of the fourth convex lens 11, and the fourth lens 7 is hermetically fixed at a fourth opening of the receiving end housing 1.
The laser generator is an optical fiber laser generator, and the laser receiver 12 is a phototriode.
The infrared emitter is an infrared light emitting diode, and the infrared receiver 13 is a phototriode.
The laser filter 8 is a laser filter with a light transmission wavelength of infrared light larger than 760nm, and the infrared filter 9 is a black glass long-wave pass filter.
A correlation photoelectric switch, the transmitting end shell and the receiving end shell 1 are made of plastic.
The first movable cover plate and the second movable cover plate 5 are made of opaque materials, and the opaque materials are black plastics.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A correlation photoelectric switch comprises a transmitting end and a receiving end, wherein the transmitting end comprises a transmitting end shell, a laser transmitting end and an infrared transmitting end, the receiving end comprises a receiving end shell (1), a laser receiving end and an infrared receiving end, and the correlation photoelectric switch is characterized in that the transmitting end shell is provided with a first opening and a second opening at the transmitting surface, a first baffle is positioned at the joint of the first opening and the second opening, the transmitting end shell is separated to form a first cavity and a second cavity, the first opening is positioned above the second opening, the laser transmitting end is arranged in the first cavity, the infrared transmitting end is arranged at the corresponding position in the second cavity, the receiving end shell (1) is provided with a third opening and a fourth opening at the receiving surface, a second baffle is positioned at the joint of the third opening and the fourth opening, the receiving end shell is separated to form a third cavity (3) and a fourth cavity (2), the third opening is located the fourth opening top, the laser receiving terminal is located in third cavity (3), and the corresponding position is equipped with infrared emission end in fourth cavity (2), transmitting surface, receiving surface border extend and form first frame, second frame (5), and first removal apron, second remove apron (4) inlay respectively in first frame, second frame (5), and first removal apron is unanimous with first opening size, and second removal apron (4) are unanimous with third opening size, first frame and second frame (5) are equipped with the screens structure.
2. The opposed-type photoelectric switch according to claim 1, wherein the first outer frame and the second outer frame (5) are provided with locking structures at extended positions corresponding to the first baffle and the second baffle, the locking structures are locking screws, and corresponding positions at two ends of the first movable cover plate and the second movable cover plate (4) are provided with matched screw holes.
3. The opposed-emission photoelectric switch according to claim 1, wherein the laser emitting end and the infrared emitting end are respectively externally connected with a laser emitting end interface and an infrared emitting end interface at the emitting end shell, and the laser receiving end and the infrared receiving end are respectively externally connected with a laser receiving end interface (16) and an infrared receiving end interface (17) at the tail part of the receiving end shell (1).
4. The opposed-type photoelectric switch according to claim 1, wherein the laser emission end comprises a laser emission circuit control board, a laser generator, a first focusing module, the laser emission circuit control board is connected to the laser generator, the first focusing module is disposed in front of the laser generator, the laser emission circuit control board further comprises a laser emission power circuit, the laser emission power circuit is a laser rectification filtering voltage stabilizing circuit, the first focusing module comprises a first lens and a first convex lens, the laser generator is located at a focus of the first convex lens, the first lens is hermetically fixed at a first opening of the housing, the infrared emission end comprises an infrared emission circuit control board, an infrared emitter and a second focusing module, the infrared emission circuit control board is connected to the infrared emitter, and the second focusing module is disposed in front of the infrared emitter, the second focusing module comprises a second lens and a second convex lens, the infrared emitter is located at the focus of the second convex lens, and the second lens is fixed at the second opening of the emitting end shell in a sealing mode.
5. The opposed-type photoelectric switch according to claim 1, wherein the laser receiving end comprises a laser receiving circuit control board (14), a laser receiver (12) and a laser filtering module, the laser receiving circuit control board (14) is connected with the laser receiver (12), the laser filtering module is arranged in front of the laser receiver (12), the filtering module comprises a third lens (6), a third convex lens (10) and a laser filter (8), the laser receiver (12) is located at the focal point of the third convex lens (10), the third lens (6) is hermetically fixed at the third opening of the receiving end housing (1), the infrared receiving end comprises an infrared receiving circuit control board (15), an infrared receiver (13) and an infrared filtering module, the infrared receiving circuit control board (15) is connected with the infrared receiver (13), be equipped with infrared filtering module before infrared receiver (13), infrared filtering module includes fourth lens (7), fourth convex lens (11) and infrared filter (9), infrared receiver (13) are located the focus of fourth convex lens (11), fourth lens (7) sealed is fixed in the fourth opening of receiving terminal casing (1).
6. A correlation optoelectronic switch according to claim 1, wherein the laser generator is a fiber laser generator and the laser receiver (12) is a phototriode.
7. A correlation photoelectric switch as claimed in claim 1, wherein the infrared emitter is an infrared light emitting diode and the infrared receiver (13) is a phototransistor.
8. A correlation photoelectric switch according to claim 1, wherein the laser filter (8) is a laser filter transmitting infrared light with a wavelength of more than 760nm, and the infrared filter (9) is a black glass long pass filter.
9. A correlation photoelectric switch according to claim 1, characterized in that the transmitting and receiving end housings (1) are made of plastic.
10. A correlation photoelectric switch as claimed in claim 1, characterized in that the first and second movable covers (4) are made of opaque material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701535.5A CN107332550B (en) | 2017-08-16 | 2017-08-16 | Correlation formula photoelectric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710701535.5A CN107332550B (en) | 2017-08-16 | 2017-08-16 | Correlation formula photoelectric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107332550A CN107332550A (en) | 2017-11-07 |
| CN107332550B true CN107332550B (en) | 2020-04-24 |
Family
ID=60200934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710701535.5A Active CN107332550B (en) | 2017-08-16 | 2017-08-16 | Correlation formula photoelectric switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107332550B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891850A (en) * | 2018-04-23 | 2018-11-27 | 上海工程技术大学 | A kind of mixture making plate for wrist-watch appearance surface shell |
| CN113251940A (en) * | 2021-06-15 | 2021-08-13 | 湖南东润智能仪表有限公司 | Bridge structure deflection measuring device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382785A (en) * | 1992-05-04 | 1995-01-17 | Diolase Corporation | Laser beam delivery path and target proximity sensor |
| CN201215677Y (en) * | 2008-05-07 | 2009-04-01 | 沈阳汇通智联电子工程设计安装有限公司 | Digital laser correlative detector |
| DE102011075751A1 (en) * | 2011-05-12 | 2012-11-15 | Wtk-Elektronik Gmbh | Control element for transparent keyboard, for use in e.g. operation unit of working machine, has transparent support plate covering keyboard, and light barrier arranged over control surface of control element |
| CN102646327B (en) * | 2012-04-11 | 2013-12-11 | 宁波恒力达科技有限公司 | Handheld meter reading terminal, infrared laser emission head, testing target surface and adjusting method |
| CN203705864U (en) * | 2013-12-26 | 2014-07-09 | 同方威视技术股份有限公司 | Photoelectric switch for object detection |
| CN105101567A (en) * | 2015-09-02 | 2015-11-25 | 江苏金工科技集团有限公司 | Near infrared laser correlation intelligent lighting switch |
| CN204943609U (en) * | 2015-08-10 | 2016-01-06 | 浙江苏泊尔家电制造有限公司 | There is the range hood that the smoke detection module of correcting mechanism and application have this module |
| CN105897237A (en) * | 2016-05-30 | 2016-08-24 | 宁波星宇极光传感科技有限公司 | Regression reflection photoelectric switch |
| CN105978545A (en) * | 2016-05-30 | 2016-09-28 | 宁波星宇极光传感科技有限公司 | Opposite type photoelectric switch |
| CN106652199A (en) * | 2016-10-28 | 2017-05-10 | 天津众恒信息科技有限公司 | Smart vending machine facilitating picking up goods and preventing goods from being left behind |
| CN106877855A (en) * | 2015-12-14 | 2017-06-20 | 致伸科技股份有限公司 | Optical switch keyboard |
-
2017
- 2017-08-16 CN CN201710701535.5A patent/CN107332550B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382785A (en) * | 1992-05-04 | 1995-01-17 | Diolase Corporation | Laser beam delivery path and target proximity sensor |
| CN201215677Y (en) * | 2008-05-07 | 2009-04-01 | 沈阳汇通智联电子工程设计安装有限公司 | Digital laser correlative detector |
| DE102011075751A1 (en) * | 2011-05-12 | 2012-11-15 | Wtk-Elektronik Gmbh | Control element for transparent keyboard, for use in e.g. operation unit of working machine, has transparent support plate covering keyboard, and light barrier arranged over control surface of control element |
| CN102646327B (en) * | 2012-04-11 | 2013-12-11 | 宁波恒力达科技有限公司 | Handheld meter reading terminal, infrared laser emission head, testing target surface and adjusting method |
| CN203705864U (en) * | 2013-12-26 | 2014-07-09 | 同方威视技术股份有限公司 | Photoelectric switch for object detection |
| CN204943609U (en) * | 2015-08-10 | 2016-01-06 | 浙江苏泊尔家电制造有限公司 | There is the range hood that the smoke detection module of correcting mechanism and application have this module |
| CN105101567A (en) * | 2015-09-02 | 2015-11-25 | 江苏金工科技集团有限公司 | Near infrared laser correlation intelligent lighting switch |
| CN106877855A (en) * | 2015-12-14 | 2017-06-20 | 致伸科技股份有限公司 | Optical switch keyboard |
| CN105897237A (en) * | 2016-05-30 | 2016-08-24 | 宁波星宇极光传感科技有限公司 | Regression reflection photoelectric switch |
| CN105978545A (en) * | 2016-05-30 | 2016-09-28 | 宁波星宇极光传感科技有限公司 | Opposite type photoelectric switch |
| CN106652199A (en) * | 2016-10-28 | 2017-05-10 | 天津众恒信息科技有限公司 | Smart vending machine facilitating picking up goods and preventing goods from being left behind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107332550A (en) | 2017-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107332550B (en) | Correlation formula photoelectric switch | |
| KR102536752B1 (en) | Cover plates, display screens and electronics | |
| CN108989501B (en) | Mobile terminal | |
| CN107465861B (en) | Composite cover plate, camera module and mobile terminal | |
| KR102319507B1 (en) | Filter moving apparatus and camera module including the same | |
| KR20190110270A (en) | Lens Module and Camera Module | |
| CN216930139U (en) | Camera seal structure and intelligent helmet | |
| CN108063150B (en) | Electronic device | |
| CN108040147B (en) | Input/output module and electronic device | |
| CN108200239B (en) | Electronic device | |
| KR20120042212A (en) | Shutter glasses for stereoscopy and image display system having thereof | |
| KR100989903B1 (en) | Lighting apparatus equipped with shielding means for photosensor | |
| KR20140090780A (en) | Car visible-light-communication system | |
| CN110324083B (en) | Optical communication network receiver | |
| CN207908053U (en) | The Optical devices of light detecting sensitivity can be improved | |
| KR101283278B1 (en) | Camera Module | |
| CN108124034B (en) | Electronic device | |
| CN107483038B (en) | Embedded mounted diffuse reflection type photoelectric switch | |
| CN214675157U (en) | Helmet-mounted visible light receiving device for visible light communication system | |
| KR20080087205A (en) | Camera module structure | |
| CN219268974U (en) | Camera packaging structure of intelligent recognition control module | |
| CN213843517U (en) | Laser range finder with safeguard function | |
| CN211209682U (en) | Novel photoelectric switch | |
| CN110098654A (en) | Mobile power source equipment | |
| CN219301652U (en) | Novel optical fiber sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An opposed photoelectric switch Effective date of registration: 20211008 Granted publication date: 20200424 Pledgee: China Construction Bank Corporation Dongtou sub branch Pledgor: WENZHOU DONGTOU HENGDA METALLURGICAL EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2021330001840 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221107 Granted publication date: 20200424 Pledgee: China Construction Bank Corporation Dongtou sub branch Pledgor: WENZHOU DONGTOU HENGDA METALLURGICAL EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2021330001840 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An opposite photoelectric switch Effective date of registration: 20221204 Granted publication date: 20200424 Pledgee: China Construction Bank Corporation Dongtou sub branch Pledgor: WENZHOU DONGTOU HENGDA METALLURGICAL EQUIPMENT MANUFACTURING CO.,LTD. Registration number: Y2022330003411 |