FR2206880A5 - - Google Patents
Info
- Publication number
- FR2206880A5 FR2206880A5 FR7307849A FR7307849A FR2206880A5 FR 2206880 A5 FR2206880 A5 FR 2206880A5 FR 7307849 A FR7307849 A FR 7307849A FR 7307849 A FR7307849 A FR 7307849A FR 2206880 A5 FR2206880 A5 FR 2206880A5
- Authority
- FR
- France
- 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
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
- G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE123955 | 1972-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2206880A5 true FR2206880A5 (mo) | 1974-06-07 |
Family
ID=3841710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7307849A Expired FR2206880A5 (mo) | 1972-11-09 | 1973-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2206880A5 (mo) |
-
1973
- 1973-03-06 FR FR7307849A patent/FR2206880A5/fr not_active Expired
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licenses | ||
| ST | Notification of lapse |