WO2019184789A1 - Dispositif de projection laser et terminal mobile - Google Patents

Dispositif de projection laser et terminal mobile Download PDF

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Publication number
WO2019184789A1
WO2019184789A1 PCT/CN2019/079028 CN2019079028W WO2019184789A1 WO 2019184789 A1 WO2019184789 A1 WO 2019184789A1 CN 2019079028 W CN2019079028 W CN 2019079028W WO 2019184789 A1 WO2019184789 A1 WO 2019184789A1
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WO
WIPO (PCT)
Prior art keywords
laser
shielding
laser light
light
light source
Prior art date
Application number
PCT/CN2019/079028
Other languages
English (en)
Chinese (zh)
Inventor
周华昭
肖强
林华鑫
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2019184789A1 publication Critical patent/WO2019184789A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0052—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
    • G02B19/0057—Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode in the form of a laser diode array, e.g. laser diode bar
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00—Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0009—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only
    • G02B19/0014—Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed having refractive surfaces only at least one surface having optical power
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3138—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using arrays of modulated light sources
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object

Definitions

  • the present disclosure relates to the field of laser devices, and more particularly to a laser projection device and a mobile terminal that improve light energy utilization.
  • the depth perception technology based on structured light active vision mode, such as active projection of graphics by laser graphics projector and acquisition by image sensor, can be more accurate. Obtaining the depth information of the target object or the projection space, compared with the binocular stereo camera, the structured light active vision mode performs feature calibration on the active projectile or the projection space by the structured light, and the obtained depth information is more stable and reliable, and is subjected to ambient light. The impact is small.
  • the current laser pattern projector illuminates the coded shielding structure by the laser light source of the array to form a coded shadow pattern, and the coded shadow pattern is projected onto the surface of the object by the focused projection objective lens to form a pattern on the surface of the object;
  • the laser is irradiated on the coded shielding structure, part of the laser energy is absorbed by the coded shielding structure, and the laser energy loss is large, and the power consumption is required for the mobile terminal, and the image sensor receiving the laser needs to adopt a large aperture.
  • Embodiments of the present disclosure provide a laser projection apparatus and a mobile terminal to solve the problem that part of the laser energy is absorbed by the coded shielding structure, causing laser energy loss and increasing power consumption of the mobile terminal.
  • a laser projection device comprising: a laser light source assembly and a coded shielding structure on the laser light source assembly, the laser light source assembly being provided with a plurality of light-emitting points facing a surface of the coded shielding structure, the coded shielding structure
  • the shielding device includes a shielding area provided with the shielding pattern and a light transmitting area outside the shielding pattern, the laser projection device further comprising a light guiding structure located between the laser light source components, the light guiding structure projecting the laser light source assembly toward the shielding area The laser is directed to the light transmitting region.
  • a mobile terminal is provided, the mobile terminal comprising the laser projection device described above.
  • the coded shielding structure does not absorb laser energy, avoiding loss of laser energy, and avoiding increased movement.
  • the power consumption of the terminal by providing a light guiding structure on a propagation path of the laser light source assembly projecting the laser light to the coded shielding structure, the coded shielding structure does not absorb laser energy, avoiding loss of laser energy, and avoiding increased movement. The power consumption of the terminal.
  • FIG. 1 is a schematic view of a laser projection apparatus of a first embodiment of the present disclosure.
  • FIG 2 is a schematic view of an optical path of a laser projector of a first embodiment of the present disclosure.
  • Fig. 3 is a view showing a state of use of the laser projector of the first embodiment of the present disclosure.
  • FIG. 4 is a schematic view of a laser projection device of a second embodiment of the present disclosure.
  • 5A is a schematic view of a first optical path of a laser projection device according to a second embodiment of the present disclosure.
  • 5B is a schematic view of a second optical path of the laser projection device of the second embodiment of the present disclosure.
  • 5C is a schematic view of a third optical path of the laser projection device of the second embodiment of the present disclosure.
  • 5D is a fourth optical path diagram of the laser projection device of the second embodiment of the present disclosure.
  • Fig. 6 is a schematic view of a laser projection apparatus of a third embodiment of the present disclosure.
  • Fig. 7 is a schematic view of a laser projection apparatus of a fourth embodiment of the present disclosure.
  • Fig. 8 is a schematic view of a laser projection apparatus of a fifth embodiment of the present disclosure.
  • FIG. 9 is a schematic view of a laser projection device of a sixth embodiment of the present disclosure.
  • the laser projection apparatus 1 of the present embodiment includes a laser light source assembly. 10.
  • the coded shielding structure 11 and the light guiding structure 12, the laser light source assembly 10 includes a base body 101 and a plurality of laser diodes 102 arranged on a surface of the base body 101.
  • Each of the laser diodes 102 emits laser light and forms a light. Therefore, the surface of the base 101 provided with the plurality of laser diodes 102 has a plurality of light-emitting points.
  • the coded shielding structure 11 is disposed on one side of the surface of the body 101 having a plurality of light-emitting points. In other words, the coded shielding structure 11 is located on the laser propagation path of the plurality of laser diodes 102.
  • the coded masking structure 11 is provided with a masking pattern, wherein the masking pattern may employ raster coding, binary coding, two-dimensional grid pattern coding, random pattern coding, color coding, gray coding, neighborhood coding, phase coding or hybrid coding.
  • the coded shielding structure 11 is provided with a shielding pattern as a shielding area 11a, and the coded shielding structure 11 is not provided with a shielding pattern as a light transmitting area 11b, that is, the light transmitting area 11b is located outside the shielding pattern.
  • the light guiding structure 12 is located on a propagation path of the laser light emitted from the plurality of light-emitting points of the laser light source assembly 10 toward the coded shielding structure 11 . When the plurality of light-emitting points of the laser light source assembly 10 project laser light toward the coded shielding structure 11 , the light guiding light is guided.
  • the structure 12 changes the laser light that the laser light source unit 10 projects toward the shielding area 11a, and guides the laser light that the laser light source unit 10 projects toward the shielding area 11a to be emitted from the light transmitting area 11b.
  • the manner in which the light guiding structure 12 changes the laser light can be emitted from the light transmitting region 11b by reflecting or/and refracting and guiding the laser light.
  • the light guiding structure 12 is disposed on the propagation path of the laser light projected from the laser light source assembly 10 toward the coded shielding structure 11, thereby effectively preventing the laser from being absorbed by the shielding area 11a of the coded shielding structure 11, thereby reducing the loss of laser energy and greatly improving Laser energy utilization rate of the laser projection device 1.
  • the laser projection device 1 of the present embodiment is used, the laser projection device 1 is further provided with a focused projection objective lens 13.
  • the focused projection objective lens 13 is disposed on the side of the coded shielding structure 11 that emits laser light, so that the laser light emitted from the code shielding structure 11 is
  • the focused projection objective 13 forms a masking pattern on the object to be detected.
  • the shielding pattern formed on the object is imaged using an infrared camera, and the laser light generated by the laser projection apparatus 1 of the present embodiment is less attenuated, and the infrared camera does not need to be specially designed for a large aperture.
  • the light guiding structure 12 of the present embodiment includes a first light reflecting layer 121 and a second light reflecting layer 122.
  • the first light reflecting layer 121 is disposed on the shielding area 11a, and is located at the code shielding structure 11 toward the laser light source assembly 10. s surface.
  • the second light reflecting layer 122 is disposed on the surface of the laser light source assembly 10 facing the coded shielding structure 11 and located at a periphery of the plurality of light emitting points, that is, the second light reflecting layer 122 does not change the plurality of laser diodes 102, and the second light reflecting layer 122 Corresponding to the first light reflecting layer 121.
  • a laser light propagation space 120 is formed between the first light reflection layer 121 and the second light reflection layer 122.
  • the laser light passes through the laser propagation space 120, and part of the laser light is directly emitted from the light-transmitting area 11b, and part of the laser light propagates toward the shielding area 11a.
  • the first light reflecting layer 121 first reflects the laser light, and the laser light reflected by the first light reflecting layer 121 passes through the laser propagation space 120 to the second light reflecting layer 122, and the second light reflecting layer 122 re-reflects.
  • the laser light reflected by the first light reflecting layer 121 and reflected by the second light reflecting layer 122 can be emitted from the light transmitting region 11b.
  • the present embodiment changes the propagation path of the laser light projected by the laser light source unit 10 toward the shielding area 11a by the first light reflecting layer 121 or/and the reflecting surface 10a, and is composed of the first light reflecting layer 121 or/and the reflecting surface 10a.
  • the laser light projected from the laser light source unit 10 toward the shielding area 11a is guided to be emitted from the light transmitting area 11b.
  • the surface of the laser light source assembly 10 is provided with a plurality of light-emitting points, and the surface of the laser light source assembly 10 is provided with a plurality of light-emitting points to form a reflecting surface 10a.
  • the reflecting surface 10a is formed. It is used to reflect the laser light reflected by the first light reflecting layer 121.
  • the base 101 of the laser light source assembly 10 is made of a metal material or other reflective material, the base 101 itself becomes a reflector, and the surface of the base 101 itself having a plurality of light-emitting points is a reflective surface. 10a, so that the arrangement of the second light reflecting layer 122 can be omitted, and the above effects can also be achieved.
  • FIG. 4 and FIG. 5A to FIG. 5D are schematic diagrams and optical paths of the laser projection apparatus according to the second embodiment of the present disclosure; as shown, the laser projection apparatus 1 of the present embodiment and the laser projection of the first embodiment are shown.
  • the device 1 differs in that the light guiding structure 12 of the present embodiment further includes a microstructure layer 123 located on a propagation path of the laser light source assembly 10 toward the laser beam projected by the code shielding structure 11 and located in the laser propagation space 120. And corresponding to the first light reflecting layer 121, the light transmitting region 11b and a plurality of light emitting points.
  • the microstructure layer 123 reflects or refracts the laser light passing through the first light reflection layer 121, changes the propagation path of the laser light, and guides part of the laser light to be emitted from the light transmission area 11b, and part of the laser light propagates toward the reflection surface 10a of the laser light source unit 10, so
  • the microstructure layer 123 not only has the function of guiding the laser light to the light-transmitting region 11b and improving the utilization of the laser energy, but also has the laser light energy reduced by the first light-reflecting layer 121, and protects the plurality of laser diodes 102 of the laser light source assembly 10. effect.
  • the microstructure layer 123 includes a plurality of optical mirrors 1231 having the same size and arranged in a regular matrix.
  • the optical mirror 1231 of this embodiment may be a single spherical mirror, a single aspheric mirror, a double spherical mirror, a double spherical mirror, a prism, a concave lens or a convex lens.
  • the optical mirror 1231 of the present embodiment uses a single spherical mirror.
  • the shielding pattern of the coded shielding structure 11 is a grating pattern having a plurality of strip-shaped shielding blocks 111 arranged at intervals.
  • the adjacent two strip-shaped shielding blocks 111 have a light-transmissive block 112 and a plurality of strip-shaped shielding patterns.
  • the block 111 is a shielding area 11a, and the plurality of light transmitting blocks 112 are light transmitting areas 11b.
  • the microstructure layer 123 of the present embodiment is disposed on the surface of the code shielding structure 11 facing the laser light source assembly 10, and covers the first light reflection layer 121 and the light transmission area 11b. Each of the optical mirrors 1231 of the microstructure layer 123 corresponds to the adjacent one.
  • the block 111 and the light-transmissive block 112 are shielded.
  • the laser path of the laser projection device 1 of the present embodiment is further described.
  • the first laser path is that the laser light projected by the laser light source assembly 10 passes through each of the optical mirrors 1231 of the microstructure layer 123, and the optical lens 1231 refracts the laser light directly.
  • the laser light is directed to the light transmitting region 11b, and the laser light is emitted from the light transmitting region 11b as shown in Fig. 5A.
  • the second laser path is that the laser light projected by the laser light source assembly 10 first passes through the optical mirror 1231 of the microstructure layer 123, and the laser light is reflected multiple times between the optical mirror 1231 and the first light reflection layer 121, and finally the laser light is guided by the optical mirror 1231.
  • the light transmitting region 11b is emitted from it as shown in Fig. 5B.
  • the first laser path and the second laser path are the microstructure layer 123 or/and the first light reflecting layer 121 changes the propagation path of the laser light projected by the laser light source assembly 10 toward the shielding region 11a, and is composed of the microstructure layer 123 or/and The first light reflecting layer 121 guides the laser light projected from the laser light source unit 10 toward the shielding area 11a to be emitted from the light transmitting area 11b.
  • the third laser path is the first laser path and the second laser path, part of the laser is refracted by the optical mirror and projected toward the reflective surface 10a of the laser light source assembly 10, and the reflective surface 10a reflects the refracted laser to another optical The mirror 1231, the laser light is refracted by the optical mirror 1231 and guided to the light-transmitting region 11b, and is emitted from the light-transmitting region 11b as described in FIGS. 5B and 5C.
  • the third laser path changes the propagation path of the laser light emitted from the microstructure layer 123 toward the reflection surface 10a for the reflection surface 10a, and the reflection surface 10a faces the shadow area by the microstructure layer 123 or/and the first light reflection layer 121.
  • the laser light reflected by 11a is guided to be emitted by the light transmitting region 11b.
  • the fourth laser path is that the laser light projected by the laser light source assembly 10 is reflected by the optical mirror 1231 to the adjacent optical mirror 1231, and then the adjacent optical mirror 1231 guides the laser light to the light transmitting region 11b by reflection or refraction. As shown in Figure 5D.
  • the above laser paths are only a few laser paths exemplified in the present disclosure, and should not be limited thereto.
  • the microstructure layer 123 of the present embodiment can directly refract the laser light and direct the laser light to the light transmitting region, or can perform multiple reflections with the first light reflecting layer 121 and guide the laser light to the light transmitting region 11b.
  • a small amount of laser light is reflected or refracted to the reflecting surface 10a of the laser light source unit 10, so that another embodiment of the present disclosure can be omitted from the arrangement of the reflecting surface 10a of the laser light source unit 10, and the effect of the above embodiment can be achieved.
  • FIG. 6 is a schematic diagram of a laser projection apparatus according to a third embodiment of the present disclosure.
  • the laser projection apparatus 1 of the present embodiment is different from the laser projection apparatus 1 of the second embodiment in the present embodiment.
  • the plurality of optical mirrors 1231 of the microstructure layer 123 are divided into a plurality of first optical mirrors 1231a and a plurality of second optical mirrors 1231b staggered with the plurality of first optical mirrors 1231a, and the first optical mirrors 1231a correspond to adjacent two shields.
  • the block 111 and the transparent block 112 between the two shielding blocks 111, the second optical mirror 1231b corresponding to the adjacent two transparent blocks 112 and the shielding block 111 between the two transparent blocks 112 .
  • This embodiment illustrates another microstructure layer 123 that can achieve the function of the microstructure layer 123 in the above embodiment, and details are not described herein again.
  • FIG. 7 is a schematic diagram of a laser projection apparatus according to a fourth embodiment of the present disclosure.
  • the present embodiment provides a microstructure layer 123 , a microstructure layer 123 of the second embodiment and the third embodiment.
  • the plurality of optical mirrors 1231 of the micro-structure layer 123 of the present embodiment are arranged in an irregular manner, and at least one of the plurality of optical mirrors 1231 corresponds to the adjacent masking block 111 and the light-transmitting region.
  • At block 112 at least one of the plurality of optical mirrors 1231 corresponds to two adjacent shielding blocks 111 and a light transmitting block 112 located between the two shielding blocks 111.
  • At least one of the plurality of optical mirrors 1231 is adjacent to each other.
  • the microstructure layer 123 of the present embodiment can also achieve the same function as the microstructure layer 123 of the above embodiment, and details are not described herein again.
  • FIG. 8 is a schematic diagram of a laser projection apparatus according to a fifth embodiment of the present disclosure.
  • the microstructure layer 123 of the embodiment is disposed on a laser light source.
  • the reflective surface 10a of the assembly 10 includes an optically transparent body 1232 disposed on the reflective surface 10a of the laser light source assembly 10, and the surface of the optically transparent body 1232 facing the coded shielding structure 11 is a sawtooth surface, a wave surface or a concave surface. And refracting or reflecting the laser light projected by the laser light source unit 10, the laser light reflected by the first reflective layer 121, or the laser light reflected by the reflecting surface 10a of the laser light source unit 10.
  • the microstructure layer 123 of the present embodiment can achieve the same function as the microstructure layer 123 of the above embodiment, and details are not described herein again.
  • the microstructure layer 123 of the present embodiment may also be disposed on the first reflective layer 121 of the coded shielding structure 11 .
  • the sawtooth surface, the wave surface or the concave surface of the optical transparent body 1232 of the microstructure layer 123 faces the laser light source assembly 10 . Reflecting surface 10a.
  • FIG. 9 is a schematic diagram of a laser projection apparatus according to a sixth embodiment of the present disclosure.
  • the microstructure layer 123 of the present embodiment is different from the microstructure layer 123 of the fifth embodiment in the present embodiment.
  • the microstructure layer 123 is disposed between the laser light source assembly 10 and the coded shielding structure 11, that is, not in contact with the laser light source assembly 10 and the coded shielding structure 11.
  • the surface of the optically transparent body 1232 facing the reflecting surface 10a of the laser light source unit 10 and the coded shielding structure 11 is a sawtooth surface, a wave surface or a concave surface.
  • the microstructure layer 123 of the present embodiment can achieve the same function as the microstructure layer 123 of the above embodiment, and details are not described herein again.
  • the present disclosure further provides a mobile terminal having a laser projection device, and the laser projection device can use the laser projection device of the above embodiment.
  • the present disclosure provides a laser projection apparatus and a mobile terminal that are provided with a light guiding structure on a propagation path of a laser light projected onto the coded shielding structure by a laser light source assembly, and the light guiding structure is changed toward the coded shielding structure.
  • the propagation path of the laser in the shielding area prevents the shielding area of the coding shielding structure from absorbing laser energy, avoiding the loss of laser energy, and avoiding increasing the power consumption of the mobile terminal, and the infrared camera used by the detecting end does not need to increase the aperture. .

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Projection Apparatus (AREA)
  • Semiconductor Lasers (AREA)

Abstract

La présente invention concerne un dispositif de projection laser (1); le dispositif de projection laser comprenant un module de source de lumière laser (10) et une structure de blindage de code (11) située sur le module de source de lumière laser; le module de source de lumière laser est disposé avec une pluralité de points lumineux (102) sur une surface faisant face à la structure de blindage de code; la structure de blindage de code comprend une zone de protection (11a) pour protéger un motif et une zone transparente à la lumière (11b) située à l'extérieur du motif blindé; le dispositif de projection laser comprend en outre une structure de guidage de lumière (12) située entre le module de source de lumière laser et la structure de blindage de code, et la structure de guidage de lumière guide la lumière laser projetée par le module de source de lumière laser vers la zone de protection vers la zone transparente à la lumière.
PCT/CN2019/079028 2018-03-27 2019-03-21 Dispositif de projection laser et terminal mobile WO2019184789A1 (fr)

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CN201810258086.6A CN108398847B (zh) 2018-03-27 2018-03-27 一种激光投射装置及移动终端
CN201810258086.6 2018-03-27

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WO2019184789A1 true WO2019184789A1 (fr) 2019-10-03

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WO (1) WO2019184789A1 (fr)

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CN108398847B (zh) * 2018-03-27 2020-04-28 维沃移动通信有限公司 一种激光投射装置及移动终端
CN110649057B (zh) * 2019-09-30 2021-03-05 Oppo广东移动通信有限公司 图像传感器、摄像头组件及移动终端

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IL230517A0 (en) * 2014-01-19 2014-04-30 Mantisvision Ltd Synchronization of 3D imaging devices
WO2016087915A2 (fr) * 2014-12-05 2016-06-09 Mantisvision Ltd. Repères pour la capture de données 3d
CN206311073U (zh) * 2016-12-15 2017-07-07 中国科学院深圳先进技术研究院 便携式三维扫描装置及移动终端

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Publication number Priority date Publication date Assignee Title
US20110188054A1 (en) * 2010-02-02 2011-08-04 Primesense Ltd Integrated photonics module for optical projection
US20160191867A1 (en) * 2012-03-26 2016-06-30 Mantisvision Ltd. Structured light projector
CN102970548A (zh) * 2012-11-27 2013-03-13 西安交通大学 一种图像深度感知装置
JP2015094828A (ja) * 2013-11-11 2015-05-18 シチズンホールディングス株式会社 画像投影方法、情報入力装置及びプログラム
CN105120257A (zh) * 2015-08-18 2015-12-02 宁波盈芯信息科技有限公司 一种基于结构光编码的垂直深度感知装置
CN108398847A (zh) * 2018-03-27 2018-08-14 维沃移动通信有限公司 一种激光投射装置及移动终端

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CN108398847B (zh) 2020-04-28

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