SE7610059L - WITH ULTRASOUND WORKING MOVEMENT DETECTOR - Google Patents
WITH ULTRASOUND WORKING MOVEMENT DETECTORInfo
- Publication number
- SE7610059L SE7610059L SE7610059A SE7610059A SE7610059L SE 7610059 L SE7610059 L SE 7610059L SE 7610059 A SE7610059 A SE 7610059A SE 7610059 A SE7610059 A SE 7610059A SE 7610059 L SE7610059 L SE 7610059L
- Authority
- SE
- Sweden
- Prior art keywords
- movement detector
- working movement
- ultrasound working
- ultrasound
- detector
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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 true SE7610059L (en) | 1977-03-14 |
SE432491B 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) |
-
1976
- 1976-09-10 SE SE7610059A patent/SE432491B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE432491B (en) | 1984-04-02 |
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