SE7608698L - ULTRASOON DEVICE FOR MONITORING A CLOSED SPACE - Google Patents

ULTRASOON DEVICE FOR MONITORING A CLOSED SPACE

Info

Publication number
SE7608698L
SE7608698L SE7608698A SE7608698A SE7608698L SE 7608698 L SE7608698 L SE 7608698L SE 7608698 A SE7608698 A SE 7608698A SE 7608698 A SE7608698 A SE 7608698A SE 7608698 L SE7608698 L SE 7608698L
Authority
SE
Sweden
Prior art keywords
ultrasoon
monitoring
closed space
closed
space
Prior art date
Application number
SE7608698A
Other languages
Swedish (sv)
Inventor
Ernest Spirig
Original Assignee
Ernest Spirig
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 Ernest Spirig filed Critical Ernest Spirig
Publication of SE7608698L publication Critical patent/SE7608698L/en

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/16Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609Actuation 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)
SE7608698A 1975-09-30 1976-08-03 ULTRASOON DEVICE FOR MONITORING A CLOSED SPACE SE7608698L (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE7608698L true SE7608698L (en) 1977-03-31

Family

ID=4385455

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7608698A SE7608698L (en) 1975-09-30 1976-08-03 ULTRASOON DEVICE FOR MONITORING A CLOSED SPACE

Country Status (15)

Country Link
JP (1) JPS5243398A (en)
AT (1) AT357066B (en)
BE (1) BE846153A (en)
BR (1) BR7606514A (en)
CH (1) CH595668A5 (en)
DE (1) DE2641856A1 (en)
DK (1) DK437176A (en)
ES (1) ES451130A1 (en)
FI (1) FI762481A (en)
FR (1) FR2326749A1 (en)
GB (1) GB1554880A (en)
NL (1) NL7609139A (en)
NO (1) NO762694L (en)
SE (1) SE7608698L (en)
ZA (1) ZA764670B (en)

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 (en) * 2009-12-21 2011-06-30 Glasfreunde Gmbh Means for the detection of glass damage during glazing.

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
AU1659376A (en) 1978-02-09
BE846153A (en) 1976-12-31
DK437176A (en) 1977-03-31
FR2326749B1 (en) 1981-09-25
DE2641856A1 (en) 1977-04-07
NO762694L (en) 1977-03-31
FR2326749A1 (en) 1977-04-29
ES451130A1 (en) 1977-08-16
JPS5243398A (en) 1977-04-05
GB1554880A (en) 1979-10-31
CH595668A5 (en) 1978-02-15
FI762481A (en) 1977-03-31
ZA764670B (en) 1977-07-27
AT357066B (en) 1980-06-10
ATA694276A (en) 1979-10-15
BR7606514A (en) 1977-06-28
NL7609139A (en) 1977-04-01

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