ATA694276A - Anordnung zur ueberwachung eines von schall- energieabschwaechenden barrieren umschlossenen raumes - Google Patents

Anordnung zur ueberwachung eines von schall- energieabschwaechenden barrieren umschlossenen raumes

Info

Publication number
ATA694276A
ATA694276A AT694276A AT694276A ATA694276A AT A694276 A ATA694276 A AT A694276A AT 694276 A AT694276 A AT 694276A AT 694276 A AT694276 A AT 694276A AT A694276 A ATA694276 A AT A694276A
Authority
AT
Austria
Prior art keywords
lowing
monitoring
arrangement
sound energy
room enclosed
Prior art date
Application number
AT694276A
Other languages
English (en)
Other versions
AT357066B (de
Original Assignee
Spirig Ernst
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 Spirig Ernst filed Critical Spirig Ernst
Publication of ATA694276A publication Critical patent/ATA694276A/de
Application granted granted Critical
Publication of AT357066B publication Critical patent/AT357066B/de

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
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
AT694276A 1975-09-30 1976-09-17 Anordnung zur ueberwachung eines von schall- energieabschwaechenden barrieren umschlossenen raumes AT357066B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1268675A CH595668A5 (de) 1975-09-30 1975-09-30

Publications (2)

Publication Number Publication Date
ATA694276A true ATA694276A (de) 1979-10-15
AT357066B AT357066B (de) 1980-06-10

Family

ID=4385455

Family Applications (1)

Application Number Title Priority Date Filing Date
AT694276A AT357066B (de) 1975-09-30 1976-09-17 Anordnung zur ueberwachung eines von schall- energieabschwaechenden barrieren umschlossenen raumes

Country Status (15)

Country Link
JP (1) JPS5243398A (de)
AT (1) AT357066B (de)
BE (1) BE846153A (de)
BR (1) BR7606514A (de)
CH (1) CH595668A5 (de)
DE (1) DE2641856A1 (de)
DK (1) DK437176A (de)
ES (1) ES451130A1 (de)
FI (1) FI762481A7 (de)
FR (1) FR2326749A1 (de)
GB (1) GB1554880A (de)
NL (1) NL7609139A (de)
NO (1) NO762694L (de)
SE (1) SE7608698L (de)
ZA (1) ZA764670B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4608674A (en) * 1982-08-06 1986-08-26 American District Telegraph Company Constant range ultrasonic motion detector
CH702416A2 (de) * 2009-12-21 2011-06-30 Glasfreunde Gmbh Einrichtung zur Detektion von Glasbeschädigung bei Isolierverglasung.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721972A (en) * 1972-02-22 1973-03-20 Seabord Electric Ultrasonic burglar alarm system

Also Published As

Publication number Publication date
CH595668A5 (de) 1978-02-15
ES451130A1 (es) 1977-08-16
JPS5243398A (en) 1977-04-05
BE846153A (fr) 1976-12-31
NL7609139A (nl) 1977-04-01
AU1659376A (en) 1978-02-09
NO762694L (de) 1977-03-31
SE7608698L (sv) 1977-03-31
BR7606514A (pt) 1977-06-28
FR2326749B1 (de) 1981-09-25
FR2326749A1 (fr) 1977-04-29
ZA764670B (en) 1977-07-27
AT357066B (de) 1980-06-10
DK437176A (da) 1977-03-31
GB1554880A (en) 1979-10-31
FI762481A7 (de) 1977-03-31
DE2641856A1 (de) 1977-04-07

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee