FR2202619A7 - - Google Patents

Info

Publication number
FR2202619A7
FR2202619A7 FR7335297A FR7335297A FR2202619A7 FR 2202619 A7 FR2202619 A7 FR 2202619A7 FR 7335297 A FR7335297 A FR 7335297A FR 7335297 A FR7335297 A FR 7335297A FR 2202619 A7 FR2202619 A7 FR 2202619A7
Authority
FR
France
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
FR7335297A
Other languages
French (fr)
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.)
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Original Assignee
Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
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 Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH filed Critical Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
Application granted granted Critical
Publication of FR2202619A7 publication Critical patent/FR2202619A7/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR7335297A 1972-10-06 1973-10-03 Expired FR2202619A7 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2249079 1972-10-06

Publications (1)

Publication Number Publication Date
FR2202619A7 true FR2202619A7 (enrdf_load_stackoverflow) 1974-05-03

Family

ID=5858343

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7335297A Expired FR2202619A7 (enrdf_load_stackoverflow) 1972-10-06 1973-10-03

Country Status (2)

Country Link
FR (1) FR2202619A7 (enrdf_load_stackoverflow)
IT (1) IT993991B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418505A1 (fr) * 1978-02-27 1979-09-21 Labo Electronique Physique Systeme de surveillance d'emplacements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418505A1 (fr) * 1978-02-27 1979-09-21 Labo Electronique Physique Systeme de surveillance d'emplacements

Also Published As

Publication number Publication date
IT993991B (it) 1975-09-30

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Legal Events

Date Code Title Description
ST Notification of lapse