ATE545062T1 - Anordnung und verfahren zur projektion eines bildes mit sicherheitsschaltung - Google Patents

Anordnung und verfahren zur projektion eines bildes mit sicherheitsschaltung

Info

Publication number
ATE545062T1
ATE545062T1 AT07809102T AT07809102T ATE545062T1 AT E545062 T1 ATE545062 T1 AT E545062T1 AT 07809102 T AT07809102 T AT 07809102T AT 07809102 T AT07809102 T AT 07809102T AT E545062 T1 ATE545062 T1 AT E545062T1
Authority
AT
Austria
Prior art keywords
scan
lasers
image
safety circuit
projecting
Prior art date
Application number
AT07809102T
Other languages
English (en)
Inventor
Dmitriy Yavid
Miklos Stern
Thomas Mazz
Costanzo Difazio
Chinh Tan
Carl Wittenberg
Daniel Gonzalez
Original Assignee
Microvision Inc
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 Microvision Inc filed Critical Microvision Inc
Application granted granted Critical
Publication of ATE545062T1 publication Critical patent/ATE545062T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • G02B27/0031—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for scanning purposes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • 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
    • G03B21/2066—Reflectors in illumination beam
    • 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
    • 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]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • 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
    • H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Air Bags (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
AT07809102T 2006-06-05 2007-05-17 Anordnung und verfahren zur projektion eines bildes mit sicherheitsschaltung ATE545062T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/446,756 US7665852B2 (en) 2006-06-05 2006-06-05 Arrangement for and method of projecting an image with safety circuitry
PCT/US2007/011928 WO2007145768A2 (en) 2006-06-05 2007-05-17 Arrangement for and method of projecting an image with safety circuitry

Publications (1)

Publication Number Publication Date
ATE545062T1 true ATE545062T1 (de) 2012-02-15

Family

ID=38821560

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07809102T ATE545062T1 (de) 2006-06-05 2007-05-17 Anordnung und verfahren zur projektion eines bildes mit sicherheitsschaltung

Country Status (4)

Country Link
US (1) US7665852B2 (de)
EP (1) EP2035893B1 (de)
AT (1) ATE545062T1 (de)
WO (1) WO2007145768A2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070279509A1 (en) * 2006-06-05 2007-12-06 Chinh Tan Arrangement for and method of projecting an image with modulated lasers
US7883214B2 (en) * 2007-02-28 2011-02-08 Microvision, Inc. Compact image projection arrangement with correction for laser beam angular misalignment
DE102009004117A1 (de) * 2009-01-08 2010-07-15 Osram Gesellschaft mit beschränkter Haftung Projektionsmodul
GB2484304B (en) * 2010-10-06 2012-10-10 Robert Horsfall Turning off a projector
US8511838B2 (en) 2011-06-29 2013-08-20 Microvision, Inc. Scanning laser projector with safety system
US9105834B2 (en) * 2012-01-27 2015-08-11 Microvision, Inc. Piezoelectric actuated device, method and system
US8971366B2 (en) * 2012-11-02 2015-03-03 Symbol Technologies, Inc. Killswitch arrangement for and method of regulating laser output power in electro-optical readers
US9140971B2 (en) * 2013-10-31 2015-09-22 Microvision, Inc. Scanning laser proximity detection
US10976553B2 (en) * 2016-09-30 2021-04-13 Mitsumi Electric Co., Ltd. Optical scanning apparatus and retinal scanning head-mounted display
US10444608B2 (en) * 2017-07-27 2019-10-15 North Inc. Systems, devices, and methods for laser projectors
CN110666343B (zh) * 2019-10-31 2021-06-25 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） 激光转折装置、激光加工光路系统及光路调试方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4837625B1 (de) * 1968-01-05 1973-11-12
US3575496A (en) 1968-05-28 1971-04-20 Gen Motors Corp Remotely controlled mirror
BE756598A (fr) * 1969-11-17 1971-03-01 Ampex Circuits a retard
US4685097A (en) * 1985-07-25 1987-08-04 Laser Magnetic Storage International Company Power control system for a semiconductor laser
US6832724B2 (en) * 1993-03-26 2004-12-21 Symbol Technologies, Inc. Electro-optical assembly for image projection, especially in portable instruments
IL118458A (en) * 1995-05-30 2000-08-31 Asahi Optical Co Ltd Light intensity controlling device
JP2001264662A (ja) * 2000-03-16 2001-09-26 Fuji Photo Film Co Ltd カラーレーザディスプレイ
US6445487B1 (en) * 2001-02-20 2002-09-03 Eastman Kodak Company Speckle suppressed laser projection system using a multi-wavelength doppler shifted beam
US6600590B2 (en) * 2001-02-20 2003-07-29 Eastman Kodak Company Speckle suppressed laser projection system using RF injection
JP2003021800A (ja) * 2001-07-10 2003-01-24 Canon Inc 投射型表示装置
JP2003029201A (ja) * 2001-07-11 2003-01-29 Canon Inc 画像投射装置及び画像補正方法
US6937372B2 (en) * 2001-07-11 2005-08-30 Canon Kabushiki Kaisha Light beam deflecting apparatus, image forming apparatus utilizing the same and drive method therefor
JP4088188B2 (ja) * 2003-04-07 2008-05-21 セイコーエプソン株式会社 プロジェクタ
JP4407179B2 (ja) * 2003-07-09 2010-02-03 ソニー株式会社 レーザディスプレイ装置
WO2005046249A1 (en) 2003-11-06 2005-05-19 Martin Professional A/S Safety laser device
US6984039B2 (en) * 2003-12-01 2006-01-10 Eastman Kodak Company Laser projector having silhouette blanking for objects in the output light path
US7369584B2 (en) * 2003-12-31 2008-05-06 Symbol Technologies, Inc. Laser projection display
US7006274B1 (en) * 2004-12-07 2006-02-28 Symbol Technologies, Inc. Compact acousto-optical modulator
JP4218650B2 (ja) * 2005-03-15 2009-02-04 セイコーエプソン株式会社 画像表示装置
US20070279509A1 (en) * 2006-06-05 2007-12-06 Chinh Tan Arrangement for and method of projecting an image with modulated lasers

Also Published As

Publication number Publication date
WO2007145768A3 (en) 2008-04-10
EP2035893B1 (de) 2012-02-08
EP2035893A2 (de) 2009-03-18
US7665852B2 (en) 2010-02-23
US20070285625A1 (en) 2007-12-13
EP2035893A4 (de) 2009-12-09
WO2007145768A2 (en) 2007-12-21

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