CA1045732A - Systeme detecteur d'effraction et methode connexe - Google Patents

Systeme detecteur d'effraction et methode connexe

Info

Publication number
CA1045732A
CA1045732A CA267,034A CA267034A CA1045732A CA 1045732 A CA1045732 A CA 1045732A CA 267034 A CA267034 A CA 267034A CA 1045732 A CA1045732 A CA 1045732A
Authority
CA
Canada
Prior art keywords
line
image
imager
outputs
frame store
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
Application number
CA267,034A
Other languages
English (en)
Inventor
Kenneth A. Pickar
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA267,034A priority Critical patent/CA1045732A/fr
Application granted granted Critical
Publication of CA1045732A publication Critical patent/CA1045732A/fr
Expired 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
    • G08B13/19654—Details concerning communication with a camera
    • G08B13/19658—Telephone systems used to communicate with a camera, e.g. PSTN, GSM, POTS
    • 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
    • G08B13/19678—User interface
    • G08B13/19691—Signalling events for better perception by user, e.g. indicating alarms by making display brighter, adding text, creating a sound

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Burglar Alarm Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
CA267,034A 1976-12-02 1976-12-02 Systeme detecteur d'effraction et methode connexe Expired CA1045732A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA267,034A CA1045732A (fr) 1976-12-02 1976-12-02 Systeme detecteur d'effraction et methode connexe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA267,034A CA1045732A (fr) 1976-12-02 1976-12-02 Systeme detecteur d'effraction et methode connexe

Publications (1)

Publication Number Publication Date
CA1045732A true CA1045732A (fr) 1979-01-02

Family

ID=4107414

Family Applications (1)

Application Number Title Priority Date Filing Date
CA267,034A Expired CA1045732A (fr) 1976-12-02 1976-12-02 Systeme detecteur d'effraction et methode connexe

Country Status (1)

Country Link
CA (1) CA1045732A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467142A (en) * 1981-09-18 1984-08-21 Licentia Patent-Verwaltungs-Gmbh System for transmitting emergency calls from persons requiring assistance
US5164979A (en) * 1989-11-21 1992-11-17 Goldstar Co., Ltd. Security system using telephone lines to transmit video images to remote supervisory location
EP0967584A2 (fr) * 1998-04-30 1999-12-29 Texas Instruments Incorporated Système automatique de surveillance vidéo

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467142A (en) * 1981-09-18 1984-08-21 Licentia Patent-Verwaltungs-Gmbh System for transmitting emergency calls from persons requiring assistance
US5164979A (en) * 1989-11-21 1992-11-17 Goldstar Co., Ltd. Security system using telephone lines to transmit video images to remote supervisory location
EP0967584A2 (fr) * 1998-04-30 1999-12-29 Texas Instruments Incorporated Système automatique de surveillance vidéo
EP0967584A3 (fr) * 1998-04-30 2000-11-29 Texas Instruments Incorporated Système automatique de surveillance vidéo

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