DE9203004U1 - - Google Patents

Info

Publication number
DE9203004U1
DE9203004U1 DE9203004U DE9203004U DE9203004U1 DE 9203004 U1 DE9203004 U1 DE 9203004U1 DE 9203004 U DE9203004 U DE 9203004U DE 9203004 U DE9203004 U DE 9203004U DE 9203004 U1 DE9203004 U1 DE 9203004U1
Authority
DE
Germany
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 - Lifetime
Application number
DE9203004U
Other languages
German (de)
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.)
HWANG SHIH-MING TAIPEI TW
Original Assignee
HWANG SHIH-MING TAIPEI TW
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 HWANG SHIH-MING TAIPEI TW filed Critical HWANG SHIH-MING TAIPEI TW
Priority to DE9203004U priority Critical patent/DE9203004U1/de
Publication of DE9203004U1 publication Critical patent/DE9203004U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B13/16—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
DE9203004U 1992-03-06 1992-03-06 Expired - Lifetime DE9203004U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE9203004U DE9203004U1 (en) 1992-03-06 1992-03-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9203004U DE9203004U1 (en) 1992-03-06 1992-03-06

Publications (1)

Publication Number Publication Date
DE9203004U1 true DE9203004U1 (en) 1992-07-16

Family

ID=6876947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE9203004U Expired - Lifetime DE9203004U1 (en) 1992-03-06 1992-03-06

Country Status (1)

Country Link
DE (1) DE9203004U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2770670A1 (en) * 1997-11-03 1999-05-07 Omega Conception Et Systeme Sound detector alarm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2770670A1 (en) * 1997-11-03 1999-05-07 Omega Conception Et Systeme Sound detector alarm

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