DE3910715A1 - Infraschalldetektor - Google Patents

Infraschalldetektor

Info

Publication number
DE3910715A1
DE3910715A1 DE19893910715 DE3910715A DE3910715A1 DE 3910715 A1 DE3910715 A1 DE 3910715A1 DE 19893910715 DE19893910715 DE 19893910715 DE 3910715 A DE3910715 A DE 3910715A DE 3910715 A1 DE3910715 A1 DE 3910715A1
Authority
DE
Germany
Prior art keywords
signal
voltage
sensor
output
amplifier
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
DE19893910715
Other languages
German (de)
English (en)
Other versions
DE3910715C2 (https=
Inventor
Heinz-Peter Weiland
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.)
WEILAND, HEINZ-PETER, 5600 WUPPERTAL, DE
Original Assignee
P & S Sicherheitselektronik Gr
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 P & S Sicherheitselektronik Gr filed Critical P & S Sicherheitselektronik Gr
Priority to DE19893910715 priority Critical patent/DE3910715A1/de
Publication of DE3910715A1 publication Critical patent/DE3910715A1/de
Application granted granted Critical
Publication of DE3910715C2 publication Critical patent/DE3910715C2/de
Granted 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
    • G08B13/20—Actuation by change of fluid pressure
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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)
  • Fluid Mechanics (AREA)
  • Burglar Alarm Systems (AREA)
DE19893910715 1989-04-03 1989-04-03 Infraschalldetektor Granted DE3910715A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19893910715 DE3910715A1 (de) 1989-04-03 1989-04-03 Infraschalldetektor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19893910715 DE3910715A1 (de) 1989-04-03 1989-04-03 Infraschalldetektor

Publications (2)

Publication Number Publication Date
DE3910715A1 true DE3910715A1 (de) 1990-10-04
DE3910715C2 DE3910715C2 (https=) 1992-06-17

Family

ID=6377718

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19893910715 Granted DE3910715A1 (de) 1989-04-03 1989-04-03 Infraschalldetektor

Country Status (1)

Country Link
DE (1) DE3910715A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10359218B4 (de) * 2003-12-17 2017-09-14 Robert Bosch Gmbh Rückhaltesystem für den Schutz von Fahrzeuginsassen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10014497C1 (de) * 2000-03-23 2001-08-09 Daimler Chrysler Ag System zur Steigerung der Kondition

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3534277A1 (de) * 1985-02-11 1987-04-02 Fritz Wurm Apparat und verfahren zum zwecke der raum- und gebaeudeueberwachung mit hilfe von infra-schall

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3534277A1 (de) * 1985-02-11 1987-04-02 Fritz Wurm Apparat und verfahren zum zwecke der raum- und gebaeudeueberwachung mit hilfe von infra-schall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10359218B4 (de) * 2003-12-17 2017-09-14 Robert Bosch Gmbh Rückhaltesystem für den Schutz von Fahrzeuginsassen

Also Published As

Publication number Publication date
DE3910715C2 (https=) 1992-06-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: WEILAND, HEINZ-PETER, 5600 WUPPERTAL, DE

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee