GB2269506B - Integrated-circuit image sensor - Google Patents

Integrated-circuit image sensor

Info

Publication number
GB2269506B
GB2269506B GB9216804A GB9216804A GB2269506B GB 2269506 B GB2269506 B GB 2269506B GB 9216804 A GB9216804 A GB 9216804A GB 9216804 A GB9216804 A GB 9216804A GB 2269506 B GB2269506 B GB 2269506B
Authority
GB
United Kingdom
Prior art keywords
integrated
image sensor
circuit image
circuit
sensor
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 - Fee Related
Application number
GB9216804A
Other versions
GB9216804D0 (en
GB2269506A (en
Inventor
Richard Charles Thomson
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.)
General Electric Co PLC
Leonardo MW Ltd
Original Assignee
GEC Ferranti Defence Systems Ltd
General Electric Co PLC
GEC Marconi Avionics Holdings 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 GEC Ferranti Defence Systems Ltd, General Electric Co PLC, GEC Marconi Avionics Holdings Ltd filed Critical GEC Ferranti Defence Systems Ltd
Priority to GB9216804A priority Critical patent/GB2269506B/en
Publication of GB9216804D0 publication Critical patent/GB9216804D0/en
Publication of GB2269506A publication Critical patent/GB2269506A/en
Application granted granted Critical
Publication of GB2269506B publication Critical patent/GB2269506B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19634—Electrical details of the system, e.g. component blocks for carrying out specific functions
    • G08B13/19636—Electrical details of the system, e.g. component blocks for carrying out specific functions pertaining to the camera
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
GB9216804A 1992-08-07 1992-08-07 Integrated-circuit image sensor Expired - Fee Related GB2269506B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9216804A GB2269506B (en) 1992-08-07 1992-08-07 Integrated-circuit image sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9216804A GB2269506B (en) 1992-08-07 1992-08-07 Integrated-circuit image sensor

Publications (3)

Publication Number Publication Date
GB9216804D0 GB9216804D0 (en) 1992-09-23
GB2269506A GB2269506A (en) 1994-02-09
GB2269506B true GB2269506B (en) 1996-02-07

Family

ID=10719998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9216804A Expired - Fee Related GB2269506B (en) 1992-08-07 1992-08-07 Integrated-circuit image sensor

Country Status (1)

Country Link
GB (1) GB2269506B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO982640L (en) * 1998-06-08 1999-12-09 Nyfotek As Method and system for monitoring an area
EP1161837A1 (en) * 1999-03-16 2001-12-12 Central Research Laboratories Limited Closed circuit television (cctv) camera and system
JP4119052B2 (en) * 1999-07-16 2008-07-16 浜松ホトニクス株式会社 Photodetector
US6904229B1 (en) * 1999-08-20 2005-06-07 Canon Kabushiki Kaisha Apparatus for recording signals on disk recording medium
US7128270B2 (en) 1999-09-17 2006-10-31 Silverbrook Research Pty Ltd Scanning device for coded data
AU2003900746A0 (en) 2003-02-17 2003-03-06 Silverbrook Research Pty Ltd Methods, systems and apparatus (NPS041)
US8416468B2 (en) 1999-09-17 2013-04-09 Silverbrook Research Pty Ltd Sensing device for subsampling imaged coded data

Also Published As

Publication number Publication date
GB9216804D0 (en) 1992-09-23
GB2269506A (en) 1994-02-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980807