WO2016123877A1 - Télémètre - Google Patents

Télémètre Download PDF

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Publication number
WO2016123877A1
WO2016123877A1 PCT/CN2015/078239 CN2015078239W WO2016123877A1 WO 2016123877 A1 WO2016123877 A1 WO 2016123877A1 CN 2015078239 W CN2015078239 W CN 2015078239W WO 2016123877 A1 WO2016123877 A1 WO 2016123877A1
Authority
WO
WIPO (PCT)
Prior art keywords
receiving
housing
range finder
transmitting
cavity
Prior art date
Application number
PCT/CN2015/078239
Other languages
English (en)
Chinese (zh)
Inventor
蒋洪洲
Original Assignee
金华马卡科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 金华马卡科技有限公司 filed Critical 金华马卡科技有限公司
Publication of WO2016123877A1 publication Critical patent/WO2016123877A1/fr

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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone

Definitions

  • the invention relates to the field of measuring instruments, in particular to a hand-held range finder.
  • laser ranging has been widely used in the measurement of distance
  • laser range finder has become an important tool for distance measurement.
  • the principle is that a laser transmitter emits a pulse signal to the target, and then a low The noise, high-sensitivity laser receiver receives the signal reflected by the target, and uses the received reflected signal to calculate the distance of the target.
  • a laser range finder especially a hand-held laser range finder, is widely used in the construction industry due to its small size, light weight and high precision, and is favored by users.
  • the hand-held range finder also has the following defects: (1)
  • the dust-proof glass in front of the transmitting branch is set by the vertical transmitting channel, and when the transmitting unit emits light toward the target direction, due to the principle of light reflection, When the light meets the glass, a part of it will be reflected back. The reflected light will be reflected back and received by the receiving unit. Even the stray light coming in from the outside will be received by the receiving unit through the transmitting channel, and the light emitted to the target is not reflected back.
  • the existence of reflected light and stray light will inevitably affect the measurement of the target, so that the measured value is not accurate, the accuracy of the range finder is reduced; (2) the mounting accuracy of the transmitting unit and the receiving unit is required when the component is mounted.
  • the position of the transmitting unit must be accurate, so adjustment of each direction is required to ensure the accuracy of the installation, but existing In the technology, the installation of the transmitting unit and the receiving unit generally pushes the transmitting unit and the receiving unit laterally from the rear of the housing into the corresponding mounting cavity, which is troublesome to install, and is pushed into the mounting cavity from the side. Adjusting the front and rear position, the up and down, left and right position adjustment and its inconvenience can not even be adjusted, so that the installation accuracy of the transmitting unit and the receiving unit cannot be guaranteed; (3) the lens is an indispensable component in the range finder, and the lens is mounted at the shell. In the front part of the body, the material of the lens is generally glass.
  • the installation and disassembly of the lens directly inserts or pulls out the lens from the installation position by one hand, which is troublesome to install and disassemble, and makes the lens easy to be damaged during installation and disassembly. Therefore, the lens can not be used, resulting in waste of resources; (4) the display installation is directly mounted on the housing, no positioning around In long-term use, the display is easy to loose, the display is easy to fall, and even the display data is blurred due to the shaking of the display, which affects the measurement of the range finder; (5) the installation of the motherboard component is also directly installed in the shell. In fact, in long-term use, the main board components are easy to loose, making the contact unstable, which affects the measured structure and even the range finder cannot measure.
  • the invention is directed to the deficiencies in the prior art, and provides a range finder having a simple structure, and the light-shielding shielding member is disposed at a certain oblique angle with the emission direction, so that the reflected light and the stray light are not directly reflected on the receiving component. The accuracy of the measurement is greatly improved.
  • a range finder includes a housing and a transmitting mechanism and a receiving mechanism disposed on the housing, the transmitting mechanism having a transmitting channel, and further comprising a light transmissive portion at a front portion of the transmitting channel and located in the housing a shielding member, the shielding member being disposed at an oblique angle to the emission direction.
  • the housing is provided with a baffle at an oblique angle to the emission direction, and the baffle is provided with a window, and the window is closed by the shielding member.
  • the invention is provided with a light-transmitting shielding member in the front part of the launching channel and in the casing, which can ensure the emission of light and prevent dust and the like from entering from the launching channel; when the emitting unit emits light toward the target direction, due to the light
  • the reflection principle when the light meets the shielding member, a part of it is reflected back, and the stray light coming in from the outside enters through the emission channel, and the shielding member of the invention is disposed at a certain oblique angle with the emission direction, and the reflected light and the stray light do not Entering the receiving unit, it will not be received by the receiving unit, so it will not affect the measurement of the target, ensure the accuracy of the measured value, and greatly improve the measuring accuracy of the range finder.
  • At least one set of light blocking members are disposed on the housing and on both sides of the transmitting channel, and the light blocking members of the group are symmetrically disposed with respect to the transmitting channel.
  • At least one set of light blocking members is disposed on the casing and on both sides of the transmitting passage, and the emitted light emitted by the shielding member and the stray light entering from the emitting passage from the outside pass through the plurality of sets of light blocking members, and the light is blocked And absorbed by the light blocking member, the light entering the interior becomes weaker or even completely blocked, and no reflected light and stray light enter the receiving unit, and are not received by the receiving unit, thereby not affecting the measurement of the target. To ensure the accuracy of the measured values, the measurement accuracy of the range finder is greatly improved.
  • the transmitting mechanism further comprises a transmitting unit for emitting in a target direction, and the housing is provided with a receiving cavity 1 for the emitting unit to be placed, and the receiving cavity has an open cavity with an open structure.
  • the bottom of the housing is provided with a through slot for assisting the firing unit for positioning and clamping, and the through slot is disposed directly below the placement cavity.
  • the present invention is used for placing an opening cavity of an opening unit with an open structure, and a channel is disposed directly below the firing cell, and a placement space is provided for the fixture of the positioning and clamping unit, and the transmitting unit passes through
  • the clamp is installed, the lower clamp is embedded by the lower through groove, and the upper clamp clamps the hair.
  • the shooting unit is placed in the placement chamber, and the relative positions of the upper, lower, left and right, and front and rear of the transmitting unit can be adjusted, the adjustment is convenient, and the positioning is accurate, thereby ensuring the installation accuracy of the transmitting unit.
  • the receiving mechanism comprises a receiving pipe member, wherein the receiving pipe member is provided with a receiving passage, and the upper portion of the receiving pipe member is provided with a through hole near the lens mounting seat, and the lens piece is mounted or disassembled through the through hole. .
  • the upper part of the receiving tube is provided with a through hole near the lens mount.
  • the receiving mechanism comprises a receiving unit corresponding to the receiving channel, and the housing is provided with a receiving cavity 2 for receiving the receiving unit, and an open cavity of the open structure is arranged above the placing cavity 2.
  • the invention is used for placing an open cavity of an open structure above the receiving cavity of the receiving unit.
  • the receiving unit When the receiving unit is installed, the receiving unit is inserted into the placing cavity 2 from the top to the bottom in a vertical direction for installation, and the installation is simple, and the upper and lower sides are left and right.
  • the position adjustment before and after is convenient and the positioning is accurate, thereby ensuring the installation precision of the receiving unit.
  • a display screen and a cover plate made of a soft material under the display screen cover the open cavity of the transmitting unit and the receiving unit.
  • Covering the cover plate on the open cavity of the transmitting unit and the receiving unit to prevent dust, light, and the like from entering into the transmitting unit and the receiving unit, and the cover plate is made of a soft material, and It protects the installation of the display.
  • the housing is provided with a display installation area, and a positioning mechanism for positioning the display screen is disposed around the display installation area.
  • the positioning mechanism comprises a plurality of positioning members, and the positioning member protrudes upward from the upper portion of the housing.
  • a positioning mechanism is arranged around the display screen of the display installation area for positioning the display screen.
  • the display screen may be loose, and the positioning member is provided to limit the activities of the display in four directions, so that The display will not be shaken, the installation is stable, and the positioning is reliable, thus ensuring the measurement accuracy of the range finder.
  • the motherboard is correspondingly provided with a motherboard component mounting area, and two sides of the motherboard component mounting area are provided with card slots for engaging the two sides of the motherboard component.
  • the two sides of the motherboard component mounting area are provided with card slots on both sides of the motherboard component.
  • both sides of the motherboard component are embedded in the card slot, and the installation is stable, thereby ensuring ranging.
  • the measurement accuracy of the instrument is provided.
  • FIG. 1 is an exploded view of an embodiment of a range finder of the present invention
  • Figure 3 is a partial enlarged view of a portion A in Figure 2;
  • FIG. 5 is a schematic structural view of an embodiment of a range finder in a measurement state according to the present invention.
  • FIG. 6 is a schematic structural view of an embodiment of a range finder when the invention is in an internal optical path state
  • Figure 7 is a rear elevational view of an embodiment of a range finder of the present invention.
  • Figure 8 is a schematic structural view of a reflector of the present invention.
  • Figure 9 is a schematic view showing the measurement state of the present invention.
  • Figure 10 is a schematic view showing the state of the optical path switching in the present invention.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • installation shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise.
  • , or connected integrally may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature is “on” the second feature unless otherwise explicitly stated and defined.
  • “below” may include direct contact of the first and second features, and may also include that the first and second features are not in direct contact but are contacted by additional features therebetween.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.
  • a range finder includes a housing 1, a transmitting mechanism 4 and a receiving mechanism 5 provided on the housing 1, and a display screen 2, wherein the transmitting mechanism 4 is an overview, specifically including a transmitting unit for transmitting toward a target direction 41.
  • the transmitting unit 41 in the laser range finder is basically a laser component, which is realized by a semiconductor laser diode, and may also be other light sources.
  • the transmitting mechanism 4 has a transmitting passage 42 for the laser assembly to emit in a target direction, and a shielding member 7 is disposed in the front portion of the transmitting passage 42 and located in the housing 1, and the shielding member 7 is emitted.
  • the direction is set at a certain oblique angle.
  • the shielding member 7 is disposed at an oblique angle to the emission direction, and the reflected light and the stray light do not enter the receiving unit, and are not received by the receiving unit, thereby not affecting the measurement of the target, and ensuring the accuracy of the measured value. Sexuality greatly improves the measurement accuracy of the range finder.
  • the shielding member 7 in the present invention is preferably glass, which functions to transmit light and dust.
  • the shielding member 7 is disposed at a certain oblique angle to the emission direction through the following structure.
  • the casing 1 is provided with a baffle 6 which is inclined at an angle to the emission direction, and the baffle 6 serves as a support. Since the casing is an injection molded part, the baffle 6 is preferably integrated with the casing.
  • the housing 1 can be obtained only by mold opening processing, and the efficiency is high; of course, it is not limited to the integral structure, as long as the structure is simple, the processing is convenient, and the installation is convenient, it is feasible. As shown in Fig.
  • the baffle 6 is provided with a window 61 for mounting a preferred glass of the present invention which is transparent to light, and the window 61 is closed by the shutter 7, i.e., glass.
  • the lens mount on which the lens is mounted is set to the front, and the position of the shutter 6 is set at an oblique angle to the horizontal line of the housing 1 in the width direction, so that the window 61 on which the shutter 7 is placed is also obtained along the housing 1
  • the horizontal line in the width direction has a certain inclination angle to solve the problems existing in the prior art of the present invention, and the obtained range finder has higher precision in measuring the target.
  • a set of light blocking members 8 in the present invention refers to two light blocking members 8 located on both sides of the transmitting channel and the connecting lines are the same horizontal connection, and the position is a set of light blocking members.
  • the member 8 is basically symmetrically arranged with respect to the transmitting channel.
  • the light blocking members 8 on both sides have the same height, but the width can be set according to the actual light reflection principle to set an optimal size to block the reflected light, which can be inconsistent.
  • the light blocking member 8 protrudes from the inner wall 11 of the casing 1 and the outer wall 51 of the receiving mechanism 5, wherein the outer wall 51 of the receiving mechanism 5 is in contact with the emission passage 42.
  • the neighboring one since the casing is an injection molded part, the protruding piece is preferably integrated with the casing 1 and only needs to be opened by a die to obtain the casing 1 with high efficiency; of course, it is not limited to the integral structure. As long as the structure is simple, the processing is convenient, and the installation is convenient, it is feasible.
  • the emitted light emitted by the blocking member 7 and the stray light entering from the emitting channel from the outside pass through the plurality of sets of light blocking members 8, the light is blocked and absorbed by the light blocking member 8, so that the light entering the interior becomes weaker and even It is completely blocked, no reflected light and stray light enter the receiving unit, and is not received by the receiving unit, so that it does not affect the measurement of the target.
  • the accuracy of the measured values is guaranteed to greatly improve the measurement accuracy of the range finder.
  • the housing 1 is provided with a placement chamber 14 for the placement of the firing unit 41.
  • the upper portion of the placement chamber 14 is an open cavity of an open structure, that is, an open arrangement.
  • the through slot 12 is also provided on the bottom of the housing 1.
  • the through slot 12 is mainly used for assisting the transmitting unit 41 for positioning and clamping, and the through slot 12 is disposed at the same time.
  • a placement space is provided for the fixture of the positioning and clamping unit 41.
  • the relative positions of the upper and lower sides, the left and right, and the front and rear of the transmitting unit 41 can be adjusted, the adjustment is convenient, and the positioning is accurate, thereby ensuring the installation precision of the transmitting unit 41, improving the working efficiency and saving the cost.
  • the receiving mechanism 5 includes a receiving tube member 52.
  • the receiving tube member 52 is provided with a receiving passage 53.
  • a lens mounting seat 13 is disposed in front of the receiving passage 53.
  • the front end of the receiving tube member 52 and the lens mount 13 are provided.
  • the receiving tube member 52 and the lens mount 13 are integrally connected, and the receiving tube member 52 has a flared structure and is connected to the lens mount 13 at the beginning.
  • the horn shape is successively decreased, so that the outer end surface of the horn-shaped receiving tube member 52 is a smooth circular arc surface having a variable size.
  • the thickness at the upper end surface 521 of the receiving tube member 52 is reduced to form, for example, The first plane 5211 shown in FIG.
  • the thickness of the cut portion does not affect the strength of the casing 1, and there is no need for special support, so the thickness can be reduced, and the first plane 5211 after the reduction is correspondingly
  • the thickness of the receiving tube member 52 is significantly thinner, which reduces the weight of the housing, thereby reducing the total weight of the range finder and making the range finder more lightweight.
  • a through hole 522 is also provided at the first plane 5211 and near the lens mount 13. When the lens piece 131 is attached or detached, one finger extends through the through hole 522, and the other hand grips in the front.
  • the lens piece 131 is convenient for mounting or dismounting, and is mounted and detached by both hands, and the force is uniform, and the lens piece 131 is not easily broken.
  • the receiving mechanism 5 includes a receiving unit 54 corresponding to the receiving passage 53.
  • the housing 1 is provided with a receiving cavity 2 for the receiving unit 54 to be placed. It is an open cavity of the open structure, which is an open setting.
  • the receiving unit 54 When the receiving unit 54 is installed, it is inserted into the placement cavity 2 15 from the top to the bottom in the vertical direction for installation, and the installation is simple, and the position adjustment of the upper, lower, left and right, and front and rear is convenient, and the positioning is accurate, thereby ensuring the installation precision of the receiving unit.
  • the present invention further includes covering the transmitting unit 41 and the receiving unit 54 because the receiving chamber 14 of the transmitting unit 41 and the receiving chamber 25 placed by the receiving unit 54 are open cavities with an open structure.
  • the cover plate 3 of the open cavity is preferably made of a soft material such as foam, and the soft material selected for the cover plate 3 is preferably opaque to prevent external dust, light, etc. It enters the transmitting unit 41 and the receiving unit 54 so as to affect the measurement accuracy of the range finder.
  • the housing 1 is correspondingly provided with a display screen mounting area 16 for mounting the display screen 2, and the display screen mounting area 16 is provided for display.
  • the screen 2 is mounted with a positioning mechanism 9 which includes a plurality of positioning members.
  • the positioning member preferably has a protruding member 18 extending upward from the upper portion of the housing 1 for the display screen. 2The front and rear left and right directions are used for limiting. In the long-term use, the display screen 2 will be loose. The protrusions 2 and 18 can limit the movement of the display screen in four directions, so that the display screen 2 will not be shaken, the installation is stable, and the positioning is performed. Reliable to ensure the accuracy of the rangefinder.
  • the motherboard 1 is correspondingly provided with a motherboard component mounting area 17, and the motherboard component mounting area 17 has two card slots 19 for mounting the motherboard component to the motherboard component.
  • the two sides of the main board assembly are embedded in the card slot 19, and the installation is stable, thereby ensuring the measurement accuracy of the range finder.
  • the bottom of the housing 1 is further provided with a lead slot 100 for fixing the power line of the range finder, the structure is simple, the operation is convenient, and the cleaning of the trace is maintained. .
  • the reflector 200 includes a reflector body 201 and a connecting end 202 connected to the reflector body 201. And a balance portion 204 disposed on the connecting end 202.
  • the connecting end 202 is provided with a rotating shaft mounting hole 203 that is matched with the rotating shaft of the motor.
  • the reflecting plate 200 is connected to the rotating shaft of the motor 300 through the connecting end 202.
  • the balance portion 204 is provided to balance the reflector body 201, so that the balance portion 204 is disposed on the side opposite to the reflector body 201.
  • the relative rotation of the reflector body 201 is small, which can be used to drive the reflective
  • the current of the rotation of the board 200 is small, so that a small current motor can be selected, which saves cost.
  • the working principle of the present invention as shown in FIGS. 5 and 9, the reflecting plate 200 is in an open state, the emitting unit 41 is emitted toward the object 400 to be measured, and the light is transmitted through the channel 421 of the transmitting path 42 to reach the light target 400. Thereafter, the channel three 531 reflecting through the reflection path 53 is received by the receiving unit 54; as shown in FIGS. 6 and 10, the reflector 200 is in a closed state, the transmitting unit 41 is emitted toward the APD, and the channel 2 422 of the transmitting path 42 emits light.
  • the system calculates a high-precision distance between the range finder and the target 400.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

L'invention concerne un télémètre, comprenant un boîtier (1), un mécanisme d'émission (4) et un mécanisme de réception (5). Le mécanisme d'émission (4) et le mécanisme de réception (5) sont disposés sur le boîtier (1), et le mécanisme d'émission (4) est pourvu d'un canal d'émission (42). Le télémètre comprend également une pièce de blocage (7) translucide disposée au niveau d'une partie avant du canal d'émission (42) et située à l'intérieur du boîtier (1), la pièce de blocage (7) étant agencée selon un certain angle d'inclinaison par rapport à une direction d'émission. Le télémètre possède une structure simple, la pièce de blocage (7) translucide est agencée selon le certain angle d'inclinaison par rapport à la direction d'émission de façon à empêcher la lumière réfléchie et la lumière parasite d'être directement réfléchies sur un ensemble de réception, et la précision de mesure est significativement accrue.
PCT/CN2015/078239 2015-02-04 2015-05-05 Télémètre WO2016123877A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510056961.9 2015-02-04
CN201510056961.9A CN104634313B (zh) 2015-02-04 2015-02-04 一种测距仪

Publications (1)

Publication Number Publication Date
WO2016123877A1 true WO2016123877A1 (fr) 2016-08-11

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CN (1) CN104634313B (fr)
WO (1) WO2016123877A1 (fr)

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CN113533384A (zh) * 2021-06-11 2021-10-22 重庆市特种设备检测研究院 一种具备位姿自检测功能的x射线机夹具
CN116482656A (zh) * 2023-06-21 2023-07-25 华中科技大学 一种激光测距仪内光路控制切换装置

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CN105527627A (zh) * 2016-01-18 2016-04-27 深圳市金立通信设备有限公司 激光测距装置、摄像装置及终端
WO2019047340A1 (fr) * 2017-09-08 2019-03-14 北醒（北京）光子科技有限公司 Dispositif de mesure de distance optique
CN114305220B (zh) * 2021-12-16 2024-03-19 美智纵横科技有限责任公司 检测装置和扫地机器人

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CN203722679U (zh) * 2014-01-24 2014-07-16 深圳市多美达数码科技有限公司 一种抗压手机
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JPH07301519A (ja) * 1994-05-09 1995-11-14 Omron Corp 距離測定装置
CN201487855U (zh) * 2009-06-30 2010-05-26 吴清谅 灯管定位结构
CN102636151A (zh) * 2012-04-19 2012-08-15 王振兴 激光测距仪及其测距方法
US20150029488A1 (en) * 2013-07-26 2015-01-29 Chervon Intellectual Property Limited Measuring system and operating method thereof
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CN113533384A (zh) * 2021-06-11 2021-10-22 重庆市特种设备检测研究院 一种具备位姿自检测功能的x射线机夹具
CN116482656A (zh) * 2023-06-21 2023-07-25 华中科技大学 一种激光测距仪内光路控制切换装置
CN116482656B (zh) * 2023-06-21 2023-09-22 华中科技大学 一种激光测距仪内光路控制切换装置

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