BE787427Q - Discriminateur de signaux - Google Patents

Discriminateur de signaux

Info

Publication number
BE787427Q
BE787427Q BE787427A BE787427A BE787427Q BE 787427 Q BE787427 Q BE 787427Q BE 787427 A BE787427 A BE 787427A BE 787427 A BE787427 A BE 787427A BE 787427 Q BE787427 Q BE 787427Q
Authority
BE
Belgium
Prior art keywords
signal discriminator
discriminator
signal
Prior art date
Application number
BE787427A
Other languages
English (en)
French (fr)
Inventor
M H Reiss
W L Cotter
Original Assignee
Alarmtronics Eng Inc
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 Alarmtronics Eng Inc filed Critical Alarmtronics Eng Inc
Application granted granted Critical
Publication of BE787427Q publication Critical patent/BE787427Q/xx

Links

Classifications

    • 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
    • G08B13/1672—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using sonic detecting means, e.g. a microphone operating in the audio frequency range
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S367/00—Communications, electrical: acoustic wave systems and devices
    • Y10S367/901—Noise or unwanted signal reduction in nonseismic receiving system

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
BE787427A 1966-08-25 1972-08-10 Discriminateur de signaux BE787427Q (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57504166A 1966-08-25 1966-08-25

Publications (1)

Publication Number Publication Date
BE787427Q true BE787427Q (fr) 1972-12-01

Family

ID=24298695

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787427A BE787427Q (fr) 1966-08-25 1972-08-10 Discriminateur de signaux

Country Status (4)

Country Link
US (1) US3471846A (de)
BE (1) BE787427Q (de)
DE (1) DE1566683B2 (de)
GB (1) GB1126996A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3604945A (en) * 1968-11-05 1971-09-14 Us Navy Regenerative tone decoder
US3727216A (en) * 1971-01-28 1973-04-10 Mosler Safe Co Electromagnetic and ultrasonic doppler correlation intrusion alarm system
US4122432A (en) * 1971-03-30 1978-10-24 Fried. Krupp Gesellschaft Mit Beschrankter Haftung Atlas Elektronik Bremen Device for identifying noise sources
US3970987A (en) * 1972-08-17 1976-07-20 Signal Science, Inc. Acoustical switch
US3855574A (en) * 1973-06-25 1974-12-17 Vox Ind Inc Voice operated alarm system
US4024413A (en) * 1975-11-17 1977-05-17 Stephen Gregory Olita Sensalight
CH643078A5 (de) * 1978-11-30 1984-05-15 Cerberus Ag Verfahren und anordnung zur einbruchmeldung.
DE2852664C2 (de) * 1978-12-06 1982-08-19 Cerberus AG, 8708 Männedorf, Zürich Verfahren und Anordnung zur Einbruchmeldung
DE2900444A1 (de) * 1979-01-08 1980-07-10 Licentia Gmbh Verfahren und schaltungsanordnung zur auswertung von ausgangssignalen von schallaufnehmern einer objektschutzueberwachungsanlage und zur erzeugung eines alarmsignals
US4250499A (en) * 1979-06-11 1981-02-10 Kienzle John A Sound level detector with program interrupt
US4321586A (en) 1980-08-21 1982-03-23 Knogo Corporation Article theft detection
FR2491646A1 (fr) * 1980-10-02 1982-04-09 Framatome Sa Procede et dispositif de surveillance acoustique d'une installation industrielle
JPS5942609B2 (ja) * 1980-10-31 1984-10-16 日立造船株式会社 ロ−ビング内在台形樹脂管の遠心成形装置
CN113763657B (zh) * 2020-06-04 2023-04-21 浙江宇视科技有限公司 监控警报装置、监控警报控制方法及监控系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3293631A (en) * 1962-12-03 1966-12-20 Honeywell Inc Detection apparatus

Also Published As

Publication number Publication date
DE1566683B2 (de) 1977-04-14
US3471846A (en) 1969-10-07
DE1566683A1 (de) 1970-04-30
GB1126996A (en) 1968-09-11

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