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AU5028879A - Video security alarm system - Google Patents
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AU5028879A - Video security alarm system - Google Patents

Video security alarm system

Info

Publication number
AU5028879A
AU5028879A AU50288/79A AU5028879A AU5028879A AU 5028879 A AU5028879 A AU 5028879A AU 50288/79 A AU50288/79 A AU 50288/79A AU 5028879 A AU5028879 A AU 5028879A AU 5028879 A AU5028879 A AU 5028879A
Authority
AU
Australia
Prior art keywords
alarm system
security alarm
video security
video
security
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.)
Granted
Application number
AU50288/79A
Other versions
AU520219B2 (en
Inventor
Stewart John Sands
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.)
Aveva Solutions Ltd
Original Assignee
Commercial Data Processing 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 Commercial Data Processing Ltd filed Critical Commercial Data Processing Ltd
Priority to AU50288/79A priority Critical patent/AU520219B2/en
Publication of AU5028879A publication Critical patent/AU5028879A/en
Application granted granted Critical
Publication of AU520219B2 publication Critical patent/AU520219B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B13/19604—Image analysis to detect motion of the intruder, e.g. by frame subtraction involving reference image or background adaptation with time to compensate for changing conditions, e.g. reference image update on detection of light level change
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B13/19654—Details concerning communication with a camera
    • G08B13/19656—Network used to communicate with a camera, e.g. WAN, LAN, Internet

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
AU50288/79A 1978-08-25 1978-08-25 Video security alarm system Ceased AU520219B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU50288/79A AU520219B2 (en) 1978-08-25 1978-08-25 Video security alarm system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU50288/79A AU520219B2 (en) 1978-08-25 1978-08-25 Video security alarm system
AUPD5667 1978-08-25
AUPD566778 1978-08-25

Publications (2)

Publication Number Publication Date
AU5028879A true AU5028879A (en) 1980-02-28
AU520219B2 AU520219B2 (en) 1982-01-21

Family

ID=25628842

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50288/79A Ceased AU520219B2 (en) 1978-08-25 1978-08-25 Video security alarm system

Country Status (1)

Country Link
AU (1) AU520219B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001454A1 (en) * 1980-10-22 1982-04-29 Mahoney Trevor W Video movement detector

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61113377A (en) * 1984-11-07 1986-05-31 Sony Corp Television signal movement detector
JPS61198893A (en) * 1985-02-27 1986-09-03 Mitsubishi Electric Corp Method for supervising station platform
FR2593309B1 (en) * 1986-01-23 1990-02-16 Gestion Inf Nle Et DEVICE AND METHOD FOR REMOTE MONITORING OF SITES INCLUDING MEANS FOR DETECTION OF ABNORMAL EVENTS, MEANS FOR LISTENING TO PHONES AND MEANS FOR VIDEO OBSERVATION
JPS62265878A (en) * 1986-05-13 1987-11-18 Sony Corp Monitor device
DE3827928C2 (en) * 1988-08-17 1997-07-10 Sel Alcatel Ag Videophone
EP0483140B1 (en) * 1989-07-17 1995-02-08 Siemens Aktiengesellschaft Integrated slow scan and alarm system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001454A1 (en) * 1980-10-22 1982-04-29 Mahoney Trevor W Video movement detector

Also Published As

Publication number Publication date
AU520219B2 (en) 1982-01-21

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