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FR2622719A1 - Detecteur differentiel de pression acoustique - Google Patents

Detecteur differentiel de pression acoustique Download PDF

Info

Publication number
FR2622719A1
FR2622719A1 FR8715052A FR8715052A FR2622719A1 FR 2622719 A1 FR2622719 A1 FR 2622719A1 FR 8715052 A FR8715052 A FR 8715052A FR 8715052 A FR8715052 A FR 8715052A FR 2622719 A1 FR2622719 A1 FR 2622719A1
Authority
FR
France
Prior art keywords
microphone
output
signal
detector according
detector
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.)
Withdrawn
Application number
FR8715052A
Other languages
English (en)
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.)
RECOUDE MARC
Original Assignee
RECOUDE MARC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9356331&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2622719(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by RECOUDE MARC filed Critical RECOUDE MARC
Priority to FR8715052A priority Critical patent/FR2622719A1/fr
Priority to AT88440086T priority patent/ATE75063T1/de
Priority to DE8888440086T priority patent/DE3870163D1/de
Priority to EP88440086A priority patent/EP0317459B1/fr
Priority to CA000581520A priority patent/CA1311292C/fr
Priority to NO884823A priority patent/NO174487C/no
Priority to DK601688A priority patent/DK169647B1/da
Publication of FR2622719A1 publication Critical patent/FR2622719A1/fr
Priority to GR920401525T priority patent/GR3005179T3/el
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1681—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using infrasonic detecting means, e.g. a microphone operating below the audible frequency range

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Measuring Fluid Pressure (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
FR8715052A 1987-10-30 1987-10-30 Detecteur differentiel de pression acoustique Withdrawn FR2622719A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR8715052A FR2622719A1 (fr) 1987-10-30 1987-10-30 Detecteur differentiel de pression acoustique
AT88440086T ATE75063T1 (de) 1987-10-30 1988-10-17 Akustischer druck-differentialdetektor in der alarmvorrichtung.
DE8888440086T DE3870163D1 (de) 1987-10-30 1988-10-17 Akustischer druck-differentialdetektor in der alarmvorrichtung.
EP88440086A EP0317459B1 (fr) 1987-10-30 1988-10-17 Détecteur différentiel de pression acoustique dans le dispositif d'alarme
CA000581520A CA1311292C (fr) 1987-10-30 1988-10-27 Detecteur differentiel de pression acoustique pour la detection de l'ondeaperiodique consecutive a l'ouverture d'une porte ou fenetre dans un local clos
NO884823A NO174487C (no) 1987-10-30 1988-10-28 Differensialdetektor for deteksjon av lydtrykk
DK601688A DK169647B1 (da) 1987-10-30 1988-10-28 Differentialdetektor til akustisk tryk
GR920401525T GR3005179T3 (da) 1987-10-30 1992-07-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8715052A FR2622719A1 (fr) 1987-10-30 1987-10-30 Detecteur differentiel de pression acoustique

Publications (1)

Publication Number Publication Date
FR2622719A1 true FR2622719A1 (fr) 1989-05-05

Family

ID=9356331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8715052A Withdrawn FR2622719A1 (fr) 1987-10-30 1987-10-30 Detecteur differentiel de pression acoustique

Country Status (8)

Country Link
EP (1) EP0317459B1 (da)
AT (1) ATE75063T1 (da)
CA (1) CA1311292C (da)
DE (1) DE3870163D1 (da)
DK (1) DK169647B1 (da)
FR (1) FR2622719A1 (da)
GR (1) GR3005179T3 (da)
NO (1) NO174487C (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2263771A (en) * 1992-01-04 1993-08-04 Sound International Ltd Intruder alarms
DE69413332T2 (de) * 1993-07-19 1999-02-11 Ping West Hills Calif. Lee Eine Kombination eines Kraftfahrzeugs mit einem Alarmsystem

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569923A (en) * 1967-10-30 1971-03-09 Us Navy Adaptive acoustic detector apparatus
FR2122343A1 (da) * 1971-01-21 1972-09-01 Ato Inc
GB1605185A (en) * 1976-11-09 1983-03-02 Plessey Co Ltd Sensing arrangements
FR2523339A1 (fr) * 1982-03-12 1983-09-16 Guglielmetti Vg Electro Dispositif de detection a capteur volumetrique a infra-sons et procede de detection par infra-sons
US4442514A (en) * 1981-11-17 1984-04-10 The United States Of America As Represented By The Secretary Of The Air Force Security system signal processor
DE3300906A1 (de) * 1983-01-13 1984-07-19 Mauro 2054 Geesthacht Marmotti Verfahren und vorrichtung zur raum- und gebaeudeueberwachung
US4479113A (en) * 1982-01-20 1984-10-23 The United States Of America As Represented By The United States Department Of Energy Compensated intruder-detection systems

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3569923A (en) * 1967-10-30 1971-03-09 Us Navy Adaptive acoustic detector apparatus
FR2122343A1 (da) * 1971-01-21 1972-09-01 Ato Inc
GB1605185A (en) * 1976-11-09 1983-03-02 Plessey Co Ltd Sensing arrangements
US4442514A (en) * 1981-11-17 1984-04-10 The United States Of America As Represented By The Secretary Of The Air Force Security system signal processor
US4479113A (en) * 1982-01-20 1984-10-23 The United States Of America As Represented By The United States Department Of Energy Compensated intruder-detection systems
FR2523339A1 (fr) * 1982-03-12 1983-09-16 Guglielmetti Vg Electro Dispositif de detection a capteur volumetrique a infra-sons et procede de detection par infra-sons
DE3300906A1 (de) * 1983-01-13 1984-07-19 Mauro 2054 Geesthacht Marmotti Verfahren und vorrichtung zur raum- und gebaeudeueberwachung

Also Published As

Publication number Publication date
DK169647B1 (da) 1995-01-02
EP0317459A2 (fr) 1989-05-24
NO174487B (no) 1994-01-31
DE3870163D1 (de) 1992-05-21
NO884823D0 (no) 1988-10-28
DK601688A (da) 1989-05-01
EP0317459A3 (en) 1989-08-09
ATE75063T1 (de) 1992-05-15
DK601688D0 (da) 1988-10-28
NO174487C (no) 1994-05-11
EP0317459B1 (fr) 1992-04-15
CA1311292C (fr) 1992-12-08
GR3005179T3 (da) 1993-05-24
NO884823L (no) 1989-05-02

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Legal Events

Date Code Title Description
ST Notification of lapse
R1 Appeal
DS Decision of the director general to state about an appeal