CA1271256A - Viewing distance sensor for television receiver - Google Patents

Viewing distance sensor for television receiver

Info

Publication number
CA1271256A
CA1271256A CA000551220A CA551220A CA1271256A CA 1271256 A CA1271256 A CA 1271256A CA 000551220 A CA000551220 A CA 000551220A CA 551220 A CA551220 A CA 551220A CA 1271256 A CA1271256 A CA 1271256A
Authority
CA
Canada
Prior art keywords
signal
infra
red
receiver
transmitter
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.)
Expired - Lifetime
Application number
CA000551220A
Other languages
English (en)
French (fr)
Other versions
CA1271256C (en
Inventor
Chan Woong Park
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.)
LG Electronics Inc
Original Assignee
Gold Star Co Ltd
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 Gold Star Co Ltd filed Critical Gold Star Co Ltd
Application granted granted Critical
Publication of CA1271256C publication Critical patent/CA1271256C/en
Publication of CA1271256A publication Critical patent/CA1271256A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42201—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] biosensors, e.g. heat sensor for presence detection, EEG sensors or any limb activity sensors worn by the user
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44213—Monitoring of end-user related data
    • H04N21/44218—Detecting physical presence or behaviour of the user, e.g. using sensors to detect if the user is leaving the room or changes his face expression during a TV programme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Social Psychology (AREA)
  • Biophysics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Neurosurgery (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Databases & Information Systems (AREA)
  • Details Of Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
  • Selective Calling Equipment (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
CA000551220A 1986-11-07 1987-11-06 Viewing distance sensor for television receiver Expired - Lifetime CA1271256A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR17324/1986 1986-11-07
KR2019860017324U KR890007191Y1 (ko) 1986-11-07 1986-11-07 Tv 수상기용 시청거리 감지 장치

Publications (2)

Publication Number Publication Date
CA1271256C CA1271256C (en) 1990-07-03
CA1271256A true CA1271256A (en) 1990-07-03

Family

ID=19256890

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000551220A Expired - Lifetime CA1271256A (en) 1986-11-07 1987-11-06 Viewing distance sensor for television receiver

Country Status (5)

Country Link
US (1) US4831448A (enExample)
JP (1) JPH0441665Y2 (enExample)
KR (1) KR890007191Y1 (enExample)
CA (1) CA1271256A (enExample)
GB (1) GB2198526B (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793125A (en) * 1991-02-25 1998-08-11 Tarng; Min Ming Smart integrated socket automation system
US5408276A (en) * 1991-05-15 1995-04-18 Morales; Nicholas S. Safe viewing distance for a television by means of an antenna interrupt device
KR0127331B1 (ko) * 1991-12-19 1997-12-29 구자홍 티브이의 시청거리 경고메세지 출력 및 부재시 메세지전달을 위한 음성녹음재생장치 및 그 제어방법
US5255326A (en) * 1992-05-18 1993-10-19 Alden Stevenson Interactive audio control system
US5440290A (en) * 1993-06-07 1995-08-08 Tecsec Incorporated Proximity detection device for protection of personnel against exposure to hazardous radio frequency radiation
US5521652A (en) * 1994-04-28 1996-05-28 Shalvi; Ilan Proximity controlled safety device for a video monitor
US5495302A (en) * 1994-05-13 1996-02-27 Abruna; Manuel Television receiver viewing distance sensor switch
US5528268A (en) * 1994-06-28 1996-06-18 Ni; Ray-Ing Control method and device for a monitor
GB9421114D0 (en) * 1994-10-19 1994-12-07 Elmi Benny B Motion detector
US5541664A (en) * 1995-08-14 1996-07-30 Cuadrado; Juan Television viewing distance safety system
US6042231A (en) * 1996-08-02 2000-03-28 Vega Vista, Inc. Methods and systems for relieving eye strain
US6364485B1 (en) 1996-08-02 2002-04-02 Vega Vista, Inc. Methods and systems for relieving eye strain
IT1298161B1 (it) * 1998-01-09 1999-12-20 Paolo Fagnani Dispositivo di controllo della distanza di visione dello schermo televisivo o simili
US6076928A (en) * 1998-06-15 2000-06-20 Fateh; Sina Ideal visual ergonomic system for computer users
US6927696B2 (en) * 2003-05-30 2005-08-09 Ann D. Wasson Coley Viewing distance safety system
WO2005050253A1 (en) * 2003-11-18 2005-06-02 Koninklijke Philips Electronics N.V. Motion sensor in an electronic apparatus equipped with remote control device
CA2453696C (en) * 2003-12-17 2012-02-28 Davide Salvatore Donato Controlling viewing distance to a television receiver
US7315254B2 (en) * 2005-09-27 2008-01-01 Itt Manufacturing Enterprises, Inc. Proximity detector for night vision goggles shut-off
US20080074546A1 (en) * 2006-09-21 2008-03-27 Momen Abdulmohsen A Warning signal interrupt device
CN104618796B (zh) * 2015-02-13 2019-07-05 京东方科技集团股份有限公司 一种调节音量的方法及显示设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4417278A (en) * 1981-06-19 1983-11-22 Hensleigh Robert H Television receiver scrambling system
GB2183333B (en) * 1985-10-25 1989-10-25 Gold Star Co Circuit for eyesight protection in a television set

Also Published As

Publication number Publication date
CA1271256C (en) 1990-07-03
KR890007191Y1 (ko) 1989-10-20
JPH0441665Y2 (enExample) 1992-09-30
US4831448A (en) 1989-05-16
KR880011016U (ko) 1988-07-29
GB2198526B (en) 1990-10-10
GB8726098D0 (en) 1987-12-09
JPS6387963U (enExample) 1988-06-08
GB2198526A (en) 1988-06-15

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Legal Events

Date Code Title Description
MKLA Lapsed
MKLA Lapsed

Effective date: 20070703