SE432491B - ultrasonic detector - Google Patents

ultrasonic detector

Info

Publication number
SE432491B
SE432491B SE7610059A SE7610059A SE432491B SE 432491 B SE432491 B SE 432491B SE 7610059 A SE7610059 A SE 7610059A SE 7610059 A SE7610059 A SE 7610059A SE 432491 B SE432491 B SE 432491B
Authority
SE
Sweden
Prior art keywords
ultrasonic detector
ultrasonic
detector
Prior art date
Application number
SE7610059A
Other languages
Swedish (sv)
Other versions
SE7610059L (en
Inventor
H Inoue
H Ohashi
S Katayama
Original Assignee
Matsushita Electric Works Ltd
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
Priority claimed from JP11111575A external-priority patent/JPS5938555B2/en
Priority claimed from JP14981575A external-priority patent/JPS5272599A/en
Priority claimed from JP2146776A external-priority patent/JPS52104897A/en
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of SE7610059L publication Critical patent/SE7610059L/en
Publication of SE432491B publication Critical patent/SE432491B/en

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
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits
SE7610059A 1975-09-13 1976-09-10 ultrasonic detector SE432491B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP11111575A JPS5938555B2 (en) 1975-09-13 1975-09-13 Moving object detection device
JP14981575A JPS5272599A (en) 1975-12-15 1975-12-15 Ultrasonic alarm
JP2146776A JPS52104897A (en) 1976-02-28 1976-02-28 Ultra sonic wave alarm apparatus

Publications (2)

Publication Number Publication Date
SE7610059L SE7610059L (en) 1977-03-14
SE432491B true SE432491B (en) 1984-04-02

Family

ID=27283436

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7610059A SE432491B (en) 1975-09-13 1976-09-10 ultrasonic detector

Country Status (1)

Country Link
SE (1) SE432491B (en)

Also Published As

Publication number Publication date
SE7610059L (en) 1977-03-14

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