CN103576428B - 具有安全保护机制的激光投影系统 - Google Patents
具有安全保护机制的激光投影系统 Download PDFInfo
- Publication number
- CN103576428B CN103576428B CN201210272658.9A CN201210272658A CN103576428B CN 103576428 B CN103576428 B CN 103576428B CN 201210272658 A CN201210272658 A CN 201210272658A CN 103576428 B CN103576428 B CN 103576428B
- Authority
- CN
- China
- Prior art keywords
- laser
- projection system
- detecting module
- human body
- laser projection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- G03B21/2053—Intensity control of illuminating light
-
- 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
- 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
- G03B21/2086—Security or safety means in lamp houses
-
- 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
- G03B21/26—Projecting separately subsidiary matter simultaneously with main image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/103—Static body considered as a whole, e.g. static pedestrian or occupant recognition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
-
- 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]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
-
- 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]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
Abstract
Description
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210272658.9A CN103576428B (zh) | 2012-08-02 | 2012-08-02 | 具有安全保护机制的激光投影系统 |
US13/845,075 US9028072B2 (en) | 2012-08-02 | 2013-03-17 | Laser projection system with security protection mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210272658.9A CN103576428B (zh) | 2012-08-02 | 2012-08-02 | 具有安全保护机制的激光投影系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103576428A CN103576428A (zh) | 2014-02-12 |
CN103576428B true CN103576428B (zh) | 2015-11-25 |
Family
ID=50025177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201210272658.9A Active CN103576428B (zh) | 2012-08-02 | 2012-08-02 | 具有安全保护机制的激光投影系统 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9028072B2 (zh) |
CN (1) | CN103576428B (zh) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2460357A1 (en) * | 2009-07-31 | 2012-06-06 | Lemoptix SA | Optical micro-projection system and projection method |
US9332236B2 (en) * | 2011-03-03 | 2016-05-03 | Nec Display Solutions, Ltd. | Image projection apparatus and method of controlling light source |
WO2016042637A1 (ja) * | 2014-09-18 | 2016-03-24 | Necディスプレイソリューションズ株式会社 | 光源装置、電子黒板システムおよび光源装置の制御方法 |
WO2016047824A1 (ko) * | 2014-09-25 | 2016-03-31 | 엘지전자 주식회사 | 화상 정보 영사 장치 및 그 영사 장치의 제어 방법 |
CN104598034B (zh) * | 2015-02-09 | 2019-03-29 | 联想(北京)有限公司 | 信息处理方法和信息处理设备 |
US9984519B2 (en) | 2015-04-10 | 2018-05-29 | Google Llc | Method and system for optical user recognition |
WO2016192435A1 (zh) * | 2015-06-05 | 2016-12-08 | 深圳奥比中光科技有限公司 | 3d图像装置、光辐射的保护装置及其方法 |
EP3329420A1 (en) * | 2015-07-28 | 2018-06-06 | Apple Inc. | System and method for light and image projection |
US10610133B2 (en) | 2015-11-05 | 2020-04-07 | Google Llc | Using active IR sensor to monitor sleep |
CN105791784A (zh) * | 2016-01-21 | 2016-07-20 | 天津大学 | 一种能识别前方障碍物并修正输出画面的投影仪 |
CN105763860A (zh) * | 2016-01-21 | 2016-07-13 | 天津大学 | 一种能识别前方障碍物并修正输出投影画面的控制方法 |
CN107515509A (zh) * | 2016-06-15 | 2017-12-26 | 香港彩亿科技有限公司 | 投影机装置与亮度自动调整方法 |
US20170373454A1 (en) * | 2016-06-28 | 2017-12-28 | Alexander Hay | Laser Safety Device |
CA3031085A1 (en) | 2016-07-16 | 2018-01-25 | Ideal Perceptions Llc | Interactive projection system |
US10530972B2 (en) * | 2016-09-21 | 2020-01-07 | Htc Corporation | Control method for optical tracking system |
WO2018056195A1 (ja) * | 2016-09-21 | 2018-03-29 | 日本電気株式会社 | 投射システム、投射方法およびプログラム記録媒体 |
CN106597789B (zh) | 2016-12-21 | 2019-08-13 | 海信集团有限公司 | 激光投影设备的控制方法及装置 |
CN108281100B (zh) * | 2018-01-16 | 2021-08-24 | 歌尔光学科技有限公司 | 激光投影仪控制方法、设备及激光投影仪 |
IT201800001765A1 (it) * | 2018-01-24 | 2019-07-24 | Osram Gmbh | Gruppo proiettore, preferibilmente da palcoscenico, e metodo per operare detto gruppo proiettore |
EP3567427B1 (en) * | 2018-03-12 | 2023-12-13 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Control method and control device for a depth camera |
CN108594451B (zh) * | 2018-03-12 | 2020-01-24 | Oppo广东移动通信有限公司 | 控制方法、控制装置、深度相机和电子装置 |
EP3794817B1 (en) * | 2018-05-16 | 2023-06-28 | Dolby Laboratories Licensing Corporation | Projector controller |
CN108960061A (zh) * | 2018-06-01 | 2018-12-07 | Oppo广东移动通信有限公司 | 控制方法、控制装置、电子装置、计算机设备和存储介质 |
CN111045283A (zh) * | 2018-10-15 | 2020-04-21 | 中强光电股份有限公司 | 投影机及投影方法 |
CN110766745B (zh) * | 2018-12-18 | 2023-11-03 | 极米科技股份有限公司 | 投影仪镜头前干扰物的检测方法、投影仪和存储介质 |
CN112118431B (zh) | 2019-06-20 | 2022-03-25 | 青岛海信激光显示股份有限公司 | 投影方法及装置 |
IT201900019634A1 (it) * | 2019-10-23 | 2021-04-23 | Osram Gmbh | Apparecchiatura di illuminazione, impianto, procedimento e prodotto informatico corrispondenti |
CN112687213B (zh) * | 2020-12-28 | 2022-07-26 | 青岛海信激光显示股份有限公司 | 激光投影设备及其控制方法 |
Citations (3)
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CN1393005A (zh) * | 2000-07-13 | 2003-01-22 | 埃里斯红外线高智力传感器有限责任公司 | 探测装置 |
CN201622430U (zh) * | 2010-01-22 | 2010-11-03 | 富港电子(东莞)有限公司 | 安全感应激光投影设备 |
CN102566220A (zh) * | 2010-12-20 | 2012-07-11 | 鸿富锦精密工业(深圳)有限公司 | 投影装置保护系统及保护方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1326601A (en) | 1999-08-09 | 2001-03-19 | Perceptron, Inc. | Method and system for maximizing safe laser power of structured laser light projectors |
US6361173B1 (en) | 2001-02-16 | 2002-03-26 | Imatte, Inc. | Method and apparatus for inhibiting projection of selected areas of a projected image |
JP3849654B2 (ja) * | 2003-02-21 | 2006-11-22 | 株式会社日立製作所 | 投射型表示装置 |
US6984039B2 (en) | 2003-12-01 | 2006-01-10 | Eastman Kodak Company | Laser projector having silhouette blanking for objects in the output light path |
US7914154B2 (en) * | 2006-03-16 | 2011-03-29 | Panasonic Corporation | Image projection device, image projection screen and image display system |
US8290208B2 (en) | 2009-01-12 | 2012-10-16 | Eastman Kodak Company | Enhanced safety during laser projection |
EP2460357A1 (en) | 2009-07-31 | 2012-06-06 | Lemoptix SA | Optical micro-projection system and projection method |
-
2012
- 2012-08-02 CN CN201210272658.9A patent/CN103576428B/zh active Active
-
2013
- 2013-03-17 US US13/845,075 patent/US9028072B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1393005A (zh) * | 2000-07-13 | 2003-01-22 | 埃里斯红外线高智力传感器有限责任公司 | 探测装置 |
CN201622430U (zh) * | 2010-01-22 | 2010-11-03 | 富港电子(东莞)有限公司 | 安全感应激光投影设备 |
CN102566220A (zh) * | 2010-12-20 | 2012-07-11 | 鸿富锦精密工业(深圳)有限公司 | 投影装置保护系统及保护方法 |
Also Published As
Publication number | Publication date |
---|---|
US9028072B2 (en) | 2015-05-12 |
US20140036235A1 (en) | 2014-02-06 |
CN103576428A (zh) | 2014-02-12 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: GUANGBAO SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIANXING ELECTRONIC SCIENCE +. TECHNOLOGY CO., LTD. Effective date: 20140627 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20140627 Address after: Ruiguang road Taiwan Taipei City Neihu district China No. 392 22 floor Applicant after: Lite-On Technology Corporation Address before: Ruiguang road Taiwan Taipei City Neihu district China No. 392 14 floor Applicant before: Jianxing Electronic Science &. Technology Co., Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant |