CN208888368U - A kind of optical distance measurement apparatus - Google Patents
A kind of optical distance measurement apparatus Download PDFInfo
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- CN208888368U CN208888368U CN201821393253.XU CN201821393253U CN208888368U CN 208888368 U CN208888368 U CN 208888368U CN 201821393253 U CN201821393253 U CN 201821393253U CN 208888368 U CN208888368 U CN 208888368U
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- measurement apparatus
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- 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
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- 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)
- Measurement Of Optical Distance (AREA)
Abstract
The utility model relates to radar surveying technical fields, more particularly to a kind of optical distance measurement apparatus, it include: transmitting module, receiving module and computing module, transmitting light beam is issued from the transmitting module, at least partly transmitting light beam enters receiving module as the reflected beams after target reflection after tested, and the computing module calculates the measurement distance or measurement light intensity of the optical distance measurement apparatus and measuring distance of target according to the signal that receiving module is transmitted;The transmitting light beam is projected in light range unit by transmitting optical cavity, and the reflected beams are injected in light range unit by receiving optical cavity, and the transmitting light beam and the reflected beams separate in light range unit;The transmitting module and receiving module are arranged on the same pcb board, and the transmitting light beam is separated in transmitting optical cavity and the pcb board junction with ambient light, and the reception light beam is separated in reception optical cavity and the pcb board junction with ambient light.
Description
This application claims on 09 08th, 2017 submission Patent Office of the People's Republic of China, application No. is 201710805689.9, invention
The application is hereby incorporated by reference in a kind of priority of the Chinese patent application of entitled " optical distance measurement apparatus ", entire contents
In.
Technical field
The utility model relates to radar surveying technical field more particularly to a kind of optical distance measurement apparatus.
Background technique
Optical scanner range unit is a kind of using collimated light beam, by the flight time (Time of Flight, referred to as
TOF), the equipment that the methods of triangulation carries out non-contact scanning ranging.Currently, common optical scanner range unit packet
It includes: optical transmitter module, optical lens, the chip for receiving and processing signal.Optical transmitter module issues light beam, and optical lens is located at light
In the optical path of transmitting module, by the beam emissions of collimation to testee surface, encounters light beam after barrier and be reflected to and connect
It receives on chip, receives chip by measurement and be emitted to the time between receiving, phase difference, the known light velocity, measured object can be found out
Distance of the body to device.The components such as the optical transmitter module for being used for ranging, optical lens, optical receiver module are mounted on by this kind of device
One can realize the scanning of collimated light beam on the platform of continuous rotation, by motor rotate the environment of available tour away from
From signal, is powered between rotary part and fixation member by conducting slip ring and transmit data;Or it can also be fixedly mounted on
On the host computer of movement, with the advance of host computer, retrogressing or its barrier for corresponding to ranging region of detection, above two mould are turned to
Formula is now widely used for robot environment's scanning, planning path, avoidance navigation, security protection detection etc..
Existing optical scanner range unit is in structure setting, in order to reduce the occupied space of device, transmitting light beam and
Receive light beam and be often contaminated with part bias light, or transmitting light beam and receive light beam and sent out inside optical scanner range unit
Blackberry lily relates to and crosstalk, influences the precision of test.
Utility model content
The purpose of this utility model is that a kind of optical distance measurement apparatus is proposed, by the way that light will be emitted in optical distance measurement apparatus
Beam and reception light beam separate, and will emit light beam and receive light beam and separate with ambient light, reduce transmitting light beam and reception light
Beam interfering with each other in measurement and external interference solve the problems, such as that test noise is higher in the prior art.
For this purpose, the utility model uses following technical scheme:
A kind of optical distance measurement apparatus, comprising:
It include: transmitting module, receiving module and computing module, transmitting light beam is issued from the transmitting module, at least partly
Transmitting light beam is used as the reflected beams to enter receiving module after target reflects after tested, and the computing module is passed according to receiving module
Defeated signal calculates the measurement distance or measurement light intensity of the optical distance measurement apparatus and measuring distance of target;
The transmitting light beam is projected in light range unit by transmitting optical cavity, and the reflected beams are filled in light ranging
It is injected in setting by receiving optical cavity, the transmitting light beam and the reflected beams separate in light range unit;The transmitting module
It is arranged on the same pcb board with receiving module, the transmitting light beam is in transmitting optical cavity and the pcb board junction and ambient light
It separates, the reception light beam is separated in reception optical cavity and the pcb board junction with ambient light.
As one of the preferred embodiments of the present invention, the transmitting optical cavity and reception optical cavity are independent chamber respectively;
Alternatively, the transmitting optical cavity and reception optical cavity share a chamber, it is protected from light and is separated by light insulation pad.
As one of the preferred embodiments of the present invention, the light insulation pad is made of flexibility every luminescent material, and is connected to institute
It states on PCB;Alternatively, the light insulation pad is made of hardness every luminescent material, passed through hardness light insulation pad made of the luminescent material
First is connected on the pcb board every light cotton.
As one of the preferred embodiments of the present invention, the transmitting optical cavity and/or reception optical cavity are logical with the pcb board
Cross ultrasonic wave or hot melting way welding;Alternatively, the transmitting optical cavity and/or receive optical cavity and the pcb board by every optical cement or
Second connects every light cotton.
As one of the preferred embodiments of the present invention, divide between the reflection optical cavity and reception optical cavity and the pcb board
It is not positioned by positioning hole collumn structure.
As one of the preferred embodiments of the present invention, corresponding transmitting optical cavity and reception optical cavity are opened respectively on the pcb board
Equipped with location hole, the transmitting optical cavity and optical cavity setting is received inside the housing, offer on the outer casing inner wall and location hole
The positioning column to match.
It as one of the preferred embodiments of the present invention, further include the radiator being arranged on pcb board.
As one of the preferred embodiments of the present invention, the radiator include heat sink and be connected to heat sink and
Insulating heat-conductive pin or insulating heat-conductive glue-line between pcb board, the heat sink are sticked on pcb board or are arranged and survey in optics
Hull outside away from device.
As one of the preferred embodiments of the present invention, the heat sink is aluminium sheet or graphene board.
As one of the preferred embodiments of the present invention, the transmitting module includes transmitting light source and driving transmitting light source hair
The driving circuit of light beam out, the transmitting light source can be laser or LED light source, it is preferred that the transmitting light source is LED light;
The receiving module includes sensitive chip, the computing module include calculated according to the signal that sensitive chip is transmitted measurement away from
From or measurement light intensity counting circuit.
As one of the preferred embodiments of the present invention, bandpass filter is additionally provided on the outside of the sensitive chip.
As one of the preferred embodiments of the present invention, emit the transmitting being additionally provided in optical path for assembling transmitting light beam
Lens or diversing lens group, the diversing lens are arranged on the exit portal of transmitting optical cavity;It is provided on receiving light path for meeting
The poly- receiving lens or receiving lens group for receiving light beam, the receiving lens are arranged on the receiving port for receiving optical cavity.
As one of the preferred embodiments of the present invention, the transmitting optical cavity is in exit portal to prolonging outside optical distance measurement apparatus
Stretching has outgoing cone;The reception optical cavity is in receiving port to being extended with reception cone outside optical distance measurement apparatus.
As one of the preferred embodiments of the present invention, it is provided on the outgoing cone for installing diversing lens
First annular, it is described outgoing cone inner sidewall on be provided with the first dispensing channel;It is provided on the reception cone
For installing the second annular table of receiving lens, the second dispensing channel is provided on the inner sidewall for receiving cone.
As one of the preferred embodiments of the present invention, the exit portal of the transmitting optical cavity and the receiving port with reception optical cavity
On be additionally provided with high pass filtering apparatus or bandpass filter device.
The utility model has the advantages that by optical distance measurement apparatus will transmitting light beam and receive light beam separate, and will transmitting light beam and
It receives light beam to separate with ambient light, reduce transmitting light beam and receives light beam interfering with each other in measurement and external interference, drop
Low test noise, improves accurate testing degree, improves testing efficiency.The setting of the radiator improves optical ranging
The operation stability and measurement accuracy of device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one for the optical distance measurement apparatus that the utility model embodiment 1 provides.
Fig. 2 is the structural schematic diagram two for the optical distance measurement apparatus that the utility model embodiment 1 provides.
In figure: 1, shell;2, pcb board;3, every light cotton;4, light insulation pad;5, it is emitted cone;6, cone is received; 11,
Emit optical cavity;12, optical cavity is received;13, positioning column;21, sensitive chip;22, emit light source;23, bandpass filter;24, it positions
Hole;51, diversing lens;61, receiving lens.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
Embodiment 1
A kind of optical distance measurement apparatus, as shown in Figs. 1-2, comprising: transmitting module, receiving module and computing module emit light
Beam is issued from the transmitting module, and at least partly transmitting light beam enters reception mould as the reflected beams after target reflection after tested
Block, the computing module calculate the measurement of the optical distance measurement apparatus and measuring distance of target according to the signal that receiving module is transmitted
Distance or measurement light intensity;
The transmitting light beam is projected in light range unit by transmitting optical cavity 11, and the reflected beams are in light ranging
It is injected in device by receiving optical cavity 12, the transmitting light beam and the reflected beams separate in light range unit;The transmitting
Module and receiving module are arranged on the same pcb board 2, and the transmitting light beam is in transmitting optical cavity 11 and 2 junction of the pcb board
It is separated with ambient light, the reception light beam is separated in reception optical cavity 12 and 2 junction of the pcb board with ambient light.
The transmitting module includes the driving circuit for emitting light source 22 and the driving transmitting sending transmitting light beam of light source 22, institute
Stating transmitting light source can be laser or LED light source, it is preferred that the transmitting light source 22 is LED light.The range finder module includes sense
Optical chip 21, the computing module include that measurement distance or measurement light intensity are calculated according to the signal that sensitive chip 21 is transmitted
Counting circuit.In 850nm, the outside of the sensitive chip 21 is additionally provided with the dominant wavelength for the infrared light that the LED light issues
Bandpass filter 23, the bandpass filter 23 only allow the light of 850 ± 30nm to pass through.
By in optical distance measurement apparatus will transmitting light beam and receive light beam separate, and will transmitting light beam and receive light beam and
Ambient light separates, and reduces transmitting light beam and receives light beam interfering with each other in measurement and external interference, reduces test and make an uproar
Sound improves accurate testing degree, improves testing efficiency.
The transmitting optical cavity 11 and reception optical cavity 12 share a chamber, and the chamber is arranged in the optical distance measurement apparatus
Shell 1 in, the chamber is protected from light to separate by light insulation pad 4 and respectively corresponds transmitting module and receiving module and form transmitting optical cavity 11
With reception optical cavity 12, the transmitting optical cavity 11 and reception optical cavity 12 can be cylindrical structure, square cartridge structure or circular cone barrel structure
One or more of combinations, the pcb board 2 are fixed by screws in the transmitting optical cavity 11 and receive on optical cavity 12.
It is fitted closely to keep transmitting optical cavity 11 and receive optical cavity 12 with the pcb board 2, by the light screen outside optical cavity
It covers except optical cavity, the transmitting optical cavity 11 and reception optical cavity 12 and the pcb board 2 are welded by ultrasonic wave or hot melting way;
Or it is preferred, the transmitting optical cavity 11 and reception optical cavity 12 are with the pcb board 2 by connecting every optical cement or second every light cotton.
Further, in order to keep transmitting optical cavity 11 and receive the interval of optical cavity 12 to be closely bonded with pcb board 2, institute
It states light insulation pad 4 and is made of flexibility every luminescent material, and abut on the pcb;Preferably, for the convenience of assembling and structure size
The control of precision, the light insulation pad 4 are made of hardness every luminescent material, are led to hardness light insulation pad 4 made of the luminescent material
First is crossed to be connected on the pcb board 2 every light cotton 3.Described first every light cotton 3 and second every light cotton be preferably foam.
For the convenience and accuracy of installation, between the reflection optical cavity and reception optical cavity 12 and the pcb board 2 respectively
It is positioned by positioning hole collumn structure.The positioning hole collumn structure includes location hole 24 and positioning corresponding with location hole 24
Column 13, location hole 24 can be set also can be set on pcb board 2 on optical cavity.
Preferably, in order to easy to process, corresponding transmitting optical cavity 11 and reception optical cavity 12 offer respectively on the pcb board 2
Location hole 24, the transmitting optical cavity 11 and reception optical cavity 12 are arranged inside shell 1, offer and determine on 1 inner wall of shell
The positioning column 13 that position hole 24 matches.
In order to further adapt to the integration and miniaturization of pcb board 2, improve optical distance measurement apparatus operation stability and
Measurement accuracy, the optical distance measurement apparatus further include the radiator being arranged on pcb board 2.The radiator can be set
It sets in the inside of optical distance measurement apparatus, also can be set in the outside of optical distance measurement apparatus.When the radiator is arranged in institute
When stating inside optical distance measurement apparatus, the optical distance measurement apparatus includes heat sink and is connected to exhausted between heat sink and pcb board 2
Edge heat-conducting glue layer, the insulating heat-conductive glue-line can be arranged all or only for the heater element welded on pcb board 2.
For the demand of adaptive optics range unit centralization volume reductionization, it is preferred that the radiator setting exists
The outside of optical distance measurement apparatus.The radiator includes heat sink and the insulating heat-conductive that is connected between heat sink and pcb board 2
Heat in optical distance measurement apparatus is drawn, is shed by heat sink by pin, the insulating heat-conductive pin, and the heat sink can be with
It is individual heat sink, the host computer that can also be connected with the optical distance measurement apparatus shares a heat sink.Preferably, institute
Stating heat sink is aluminium sheet or graphene board.
In order to further improve the collimation of the transmitting light beam issued from optical distance measurement apparatus, emits and also set up in optical path
There are the diversing lens 51 or diversing lens group for assembling transmitting light beam, it is preferred that the setting of diversing lens 51 is in transmitting light
On the exit portal of chamber 11.
Preferably, the diversing lens group include be sealedly connected on interior convergent lens outside the lamp cap of the LED light or
TR lens and the outer convergent lens being arranged on the exit portal of transmitting optical cavity 11.Namely LED light is by TR lens packages in lamp
In head, the light beam that LED light issues by convergent lens or TR lens post-concentration and is issued, improve transmitting light source 22 intensity and
Collimation.Emit the outer convergent lens on the exit portal of optical cavity 11 further to assemble transmitting light beam in outgoing.
In order to further increase the collimation and/or light intensity of light beam received by optical distance measurement apparatus, the reception light
Road is provided with for assembling the receiving lens 61 or receiving lens group that receive light beam, and the setting of receiving lens 61 is receiving light
On the receiving port of chamber 12.
Preferably, the receiving lens group includes interior receiving lens 61 and outer receiving lens 61, the interior receiving lens 61
It is arranged on the receiving light path between sensitive chip 21 and receiving port, the outer receiving lens 61 are arranged on receiving port.
Preferably, it is described transmitting optical cavity exit portal and receive optical cavity receiving port on be additionally provided with high pass filtering apparatus or
Bandpass filter device.The bandpass filter device can be bandpass filter or bandpass filtering film, and the bandpass filter device is only
Dominant wavelength is allowed to pass through in the light of 850 ± 30nm;The high pass filtering apparatus can be high-pass filter or high pass filter coating, institute
Stating high pass filtering apparatus only allows dominant wavelength station to pass through in the light of 700nm or more.Preferably, the high pass filtering apparatus or band logical
Filtering apparatus is arranged on the outer surface of diversing lens 51 and receiving lens 61 in the form of plated film, simplifies the optical ranging
The structure of device, reduces space hold, reduces production cost.
Influence in order to avoid external environment to diversing lens 51 and receiving lens 61 reduces the attachment of rainwater dust, institute
Transmitting optical cavity 11 is stated in exit portal to being extended with outgoing cone 51 outside optical distance measurement apparatus;The reception optical cavity 12 is receiving
Mouthful cone 61 is received to being extended with outside optical distance measurement apparatus.Preferably, it is provided on the outgoing cone 51 for pacifying
First annular of diversing lens 51 is filled, is provided with the first dispensing channel on the inner sidewall of the outgoing cone 51;The hair
Lens 51 are penetrated to be pasted on first annular platform by dispensing;It is provided on the reception cone 61 for installing receiving lens 61
The second annular table, it is described receive cone 61 inner sidewall on be provided with the second dispensing channel, the receiving lens 61 pass through
Dispensing is pasted onto the second annular table.
Preferably, the outside of the outgoing cone 51 and/or reception cone 61 is removably connected with dustproof cover, with
When the standby optical distance measurement apparatus does not work, diversing lens 51 and receiving lens 61 are completely protected.
Embodiment 2
Unlike the first embodiment, the transmitting optical cavity 11 and reception optical cavity 12 are independent chamber respectively;The transmitting
Optical cavity 11 and reception optical cavity 12 can be integrally formed, and be also possible to independently of each other, install respectively.Preferably, the transmitting optical cavity
11 are integrally formed with optical cavity 12 is received, and simplify the installation procedure of the transmitting optical cavity 11 and structure optical cavity and the pcb board 2,
The setting quantity for reducing positioning hole collumn structure, assembles more accurate convenience.
In conclusion by optical distance measurement apparatus will transmitting light beam and receive light beam separate, and will transmitting light beam and
It receives light beam to separate with ambient light, reduce transmitting light beam and receives light beam interfering with each other in measurement and external interference, drop
Low test noise, improves accurate testing degree, improves testing efficiency.The setting of the radiator improves optical ranging
The operation stability and measurement accuracy of device.
Technical principle of the utility model has been described above with reference to specific embodiments.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art, which does not need to pay for creative labor, can associate with other specific implementation modes of this utility model,
These modes are fallen within the protection scope of the utility model.
Claims (15)
1. a kind of optical distance measurement apparatus characterized by comprising transmitting module, receiving module and computing module, transmitting light beam is certainly
The transmitting module sending, at least partly transmitting light beam are used as the reflected beams to enter receiving module after target reflects after tested, institute
State the measurement distance that computing module calculates the optical distance measurement apparatus and measuring distance of target according to the signal that receiving module is transmitted
Or measurement light intensity;
The transmitting light beam is projected in light range unit by transmitting optical cavity, and the reflected beams are in light range unit
It is injected by receiving optical cavity, the transmitting light beam and the reflected beams separate in light range unit;It the transmitting module and connects
Module is received to be arranged on the same pcb board, the transmitting light beam emit optical cavity and the pcb board junction and ambient light every
It opens, receives light beam and separated in reception optical cavity and the pcb board junction with ambient light.
2. optical distance measurement apparatus according to claim 1, which is characterized in that the transmitting optical cavity and reception optical cavity are respectively
Independent chamber;Alternatively, the transmitting optical cavity and reception optical cavity share a chamber, it is protected from light and is separated by light insulation pad.
3. optical distance measurement apparatus according to claim 2, which is characterized in that the light insulation pad is by flexibility every luminescent material system
At, and abut on the pcb;Alternatively, the light insulation pad is made of hardness every luminescent material, hardness institute made of the luminescent material
It states light insulation pad and is connected on the pcb board by first every light cotton.
4. optical distance measurement apparatus according to claim 1, which is characterized in that the transmitting optical cavity and/or receive optical cavity with
The pcb board is welded by ultrasonic wave or hot melting way;
Alternatively, the transmitting optical cavity and/or reception optical cavity are with the pcb board by connecting every optical cement or second every light cotton.
5. optical distance measurement apparatus according to claim 1, which is characterized in that the transmitting optical cavity and receive optical cavity with it is described
It is positioned respectively by positioning hole collumn structure between pcb board.
6. optical distance measurement apparatus according to claim 5, which is characterized in that corresponding on the pcb board to emit optical cavity and connect
It receives optical cavity and offers location hole respectively, the transmitting optical cavity and the setting of reception optical cavity inside the housing, are opened on the outer casing inner wall
Equipped with the positioning column to match with location hole.
7. optical distance measurement apparatus according to claim 1-6, which is characterized in that further include being arranged on pcb board
Radiator.
8. optical distance measurement apparatus according to claim 7, which is characterized in that the radiator includes heat sink and connection
Insulating heat-conductive pin or insulating heat-conductive glue-line, the heat sink between heat sink and pcb board are sticked on pcb board or set
Set the hull outside in optical distance measurement apparatus.
9. optical distance measurement apparatus according to claim 8, which is characterized in that the heat sink is aluminium sheet or graphene board.
10. optical distance measurement apparatus according to claim 1, which is characterized in that the transmitting module include transmitting light source and
Driving transmitting light source issues the driving circuit of light beam;The receiving module includes sensitive chip, and the computing module includes basis
The signal that sensitive chip is transmitted calculates the counting circuit of measurement distance or measurement light intensity.
11. optical distance measurement apparatus according to claim 10, which is characterized in that be additionally provided on the outside of the sensitive chip
Bandpass filter.
12. optical distance measurement apparatus according to claim 1, which is characterized in that be additionally provided in transmitting optical path for assembling
Emit the diversing lens or diversing lens group of light beam, the diversing lens are arranged on the exit portal of transmitting optical cavity;Receiving light path
On be provided with for assembling the receiving lens or receiving lens group that receive light beam, the receiving lens, which are arranged in, to be received optical cavity and connects
In closing in.
13. optical distance measurement apparatus according to claim 12, which is characterized in that the transmitting optical cavity is in exit portal to optics
Outgoing cone is extended with outside range unit;
The reception optical cavity is in receiving port to being extended with reception cone outside optical distance measurement apparatus.
14. optical distance measurement apparatus according to claim 13, which is characterized in that be provided with and be used on the outgoing cone
First annular of diversing lens is installed, is provided with the first dispensing channel on the inner sidewall of the outgoing cone;
The second annular table for installing receiving lens, the inner sidewall for receiving cone are provided on the reception cone
On be provided with the second dispensing channel.
15. optical distance measurement apparatus according to claim 1, which is characterized in that the exit portal of the transmitting optical cavity and reception
High pass filtering apparatus or bandpass filter device are also respectively provided on the receiving port of optical cavity.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201710805689 | 2017-09-08 | ||
CN2017108056899 | 2017-09-08 |
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CN208888368U true CN208888368U (en) | 2019-05-21 |
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CN201810988351.6A Pending CN109188450A (en) | 2017-09-08 | 2018-08-28 | A kind of optical distance measurement apparatus |
CN201810986871.3A Pending CN109031335A (en) | 2017-09-08 | 2018-08-28 | A kind of optical distance measurement apparatus |
CN201821393253.XU Active CN208888368U (en) | 2017-09-08 | 2018-08-28 | A kind of optical distance measurement apparatus |
CN201821393903.0U Active CN208888369U (en) | 2017-09-08 | 2018-08-28 | A kind of optical distance measurement apparatus |
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CN201810988351.6A Pending CN109188450A (en) | 2017-09-08 | 2018-08-28 | A kind of optical distance measurement apparatus |
CN201810986871.3A Pending CN109031335A (en) | 2017-09-08 | 2018-08-28 | A kind of optical distance measurement apparatus |
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CN106154248A (en) * | 2016-09-13 | 2016-11-23 | 深圳市佶达德科技有限公司 | A kind of laser radar optical receiver assembly and laser radar range method |
CN206223977U (en) * | 2016-10-08 | 2017-06-06 | 深圳市金立通信设备有限公司 | Laser ranging system, camera head and terminal |
CN106896367A (en) * | 2017-05-04 | 2017-06-27 | 北醒(北京)光子科技有限公司 | A kind of optical distance measurement apparatus and optical ranging system |
WO2019047340A1 (en) * | 2017-09-08 | 2019-03-14 | 北醒(北京)光子科技有限公司 | Optical distance measurement device |
-
2017
- 2017-10-23 WO PCT/CN2017/107248 patent/WO2019047340A1/en active Application Filing
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2018
- 2018-08-28 CN CN201810988351.6A patent/CN109188450A/en active Pending
- 2018-08-28 CN CN201810986871.3A patent/CN109031335A/en active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109031335A (en) * | 2017-09-08 | 2018-12-18 | 北醒(北京)光子科技有限公司 | A kind of optical distance measurement apparatus |
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CN109188450A (en) | 2019-01-11 |
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