JP2011180172A - 撮像防止装置、撮像防止方法および映像表示システム - Google Patents

撮像防止装置、撮像防止方法および映像表示システム Download PDF

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Publication number
JP2011180172A
JP2011180172A JP2010041338A JP2010041338A JP2011180172A JP 2011180172 A JP2011180172 A JP 2011180172A JP 2010041338 A JP2010041338 A JP 2010041338A JP 2010041338 A JP2010041338 A JP 2010041338A JP 2011180172 A JP2011180172 A JP 2011180172A
Authority
JP
Japan
Prior art keywords
infrared light
wavelength
image
luminance
display unit
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.)
Pending
Application number
JP2010041338A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011180172A5 (https=
Inventor
Seiichi Goshi
清一 合志
Isao Echizen
功 越前
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Research Organization of Information and Systems
Original Assignee
Sharp Corp
Research Organization of Information and Systems
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 Sharp Corp, Research Organization of Information and Systems filed Critical Sharp Corp
Priority to JP2010041338A priority Critical patent/JP2011180172A/ja
Priority to PCT/JP2011/054265 priority patent/WO2011105546A1/ja
Priority to US13/580,235 priority patent/US20120315018A1/en
Priority to EP11747502A priority patent/EP2541320A1/en
Publication of JP2011180172A publication Critical patent/JP2011180172A/ja
Publication of JP2011180172A5 publication Critical patent/JP2011180172A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • 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
    • 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
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
    • 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]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91392—Television signal processing therefor for scrambling ; for copy protection using means for preventing making copies of projected video images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Studio Devices (AREA)
JP2010041338A 2010-02-26 2010-02-26 撮像防止装置、撮像防止方法および映像表示システム Pending JP2011180172A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2010041338A JP2011180172A (ja) 2010-02-26 2010-02-26 撮像防止装置、撮像防止方法および映像表示システム
PCT/JP2011/054265 WO2011105546A1 (ja) 2010-02-26 2011-02-25 撮像防止装置、撮像防止方法および映像表示システム
US13/580,235 US20120315018A1 (en) 2010-02-26 2011-02-25 Video image display device, anti-camcording method, and video image display system
EP11747502A EP2541320A1 (en) 2010-02-26 2011-02-25 Imaging prevention device, imaging prevention method and image display system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010041338A JP2011180172A (ja) 2010-02-26 2010-02-26 撮像防止装置、撮像防止方法および映像表示システム

Publications (2)

Publication Number Publication Date
JP2011180172A true JP2011180172A (ja) 2011-09-15
JP2011180172A5 JP2011180172A5 (https=) 2012-09-20

Family

ID=44506943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010041338A Pending JP2011180172A (ja) 2010-02-26 2010-02-26 撮像防止装置、撮像防止方法および映像表示システム

Country Status (4)

Country Link
US (1) US20120315018A1 (https=)
EP (1) EP2541320A1 (https=)
JP (1) JP2011180172A (https=)
WO (1) WO2011105546A1 (https=)

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Publication number Priority date Publication date Assignee Title
WO2011002059A1 (ja) * 2009-07-03 2011-01-06 シャープ株式会社 映像表示装置、映像表示方法、映像表示スクリーン、及び液晶表示装置
US8780161B2 (en) * 2011-03-01 2014-07-15 Hewlett-Packard Development Company, L.P. System and method for modifying images
US9438871B2 (en) 2012-12-26 2016-09-06 Citizen Holdings Co., Ltd. Laser projection apparatus with bundled fibers
JP5880506B2 (ja) * 2013-09-19 2016-03-09 富士ゼロックス株式会社 処理装置
CN105786165B (zh) * 2014-12-24 2018-12-14 联想(北京)有限公司 一种信息处理方法和电子设备
CN104767924B (zh) * 2015-04-28 2018-03-30 西安科技大学 一种矿用高清视频采集系统及方法
DE102015212776A1 (de) * 2015-07-08 2017-01-12 Siemens Aktiengesellschaft Sichere Kommunikation
JP7347205B2 (ja) * 2019-12-26 2023-09-20 セイコーエプソン株式会社 投写システムの制御方法、投写システム及び制御プログラム
CN114067441B (zh) * 2022-01-14 2022-04-08 合肥高维数据技术有限公司 摄录行为检测方法及系统

Citations (2)

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JP2002341449A (ja) * 2001-05-16 2002-11-27 Sony Corp 撮像妨害方法及びシステム
JP2009282270A (ja) * 2008-05-22 2009-12-03 Nippon Hoso Kyokai <Nhk> 盗撮防止装置

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JPH0429472Y2 (https=) * 1987-07-06 1992-07-16
DE3884385T2 (de) * 1987-12-22 1994-05-05 Takenaka Eng Co Ltd Infrarotdetektor.
US6018374A (en) * 1996-06-25 2000-01-25 Macrovision Corporation Method and system for preventing the off screen copying of a video or film presentation
US6473106B2 (en) * 1999-12-02 2002-10-29 Canon Kabushiki Kaisha LED head, image forming apparatus, and method of measuring amount of light from LED array
US6742901B2 (en) * 2001-05-16 2004-06-01 Sony Corporation Imaging prevention method and system
US6868229B2 (en) * 2001-09-20 2005-03-15 Intel Corporation Interfering with illicit recording activity by emitting non-visible radiation
WO2004112207A1 (en) * 2003-06-12 2004-12-23 Southampton Photonics Ltd. Optical apparatus, comprising a brightness converter, for providing optical radiation
US20070103552A1 (en) * 2005-11-10 2007-05-10 Georgia Tech Research Corporation Systems and methods for disabling recording features of cameras
WO2009114433A2 (en) * 2008-03-08 2009-09-17 Redwood Scientific, Inc. Device and method for quantifying a surface's cleanliness
US20090268942A1 (en) * 2008-04-23 2009-10-29 Price John D Methods and apparatus for detection of motion picture piracy for piracy prevention
US20100008501A1 (en) * 2008-07-10 2010-01-14 Ushio Denki Kabushiki Kaisha Illegal recording prevention apparatus
JP2010231748A (ja) * 2009-03-26 2010-10-14 Isafe:Kk 盗撮防止装置
JP2010020263A (ja) 2008-07-10 2010-01-28 Isafe:Kk 盗撮防止装置
WO2011002059A1 (ja) * 2009-07-03 2011-01-06 シャープ株式会社 映像表示装置、映像表示方法、映像表示スクリーン、及び液晶表示装置
JP5475393B2 (ja) * 2009-10-20 2014-04-16 キヤノン株式会社 撮像システムおよび補正方法

Patent Citations (2)

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JP2002341449A (ja) * 2001-05-16 2002-11-27 Sony Corp 撮像妨害方法及びシステム
JP2009282270A (ja) * 2008-05-22 2009-12-03 Nippon Hoso Kyokai <Nhk> 盗撮防止装置

Also Published As

Publication number Publication date
EP2541320A1 (en) 2013-01-02
US20120315018A1 (en) 2012-12-13
WO2011105546A1 (ja) 2011-09-01

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