FR2216631B3 - - Google Patents
Info
- Publication number
- FR2216631B3 FR2216631B3 FR7303352A FR7303352A FR2216631B3 FR 2216631 B3 FR2216631 B3 FR 2216631B3 FR 7303352 A FR7303352 A FR 7303352A FR 7303352 A FR7303352 A FR 7303352A FR 2216631 B3 FR2216631 B3 FR 2216631B3
- 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 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7303352A FR2216631B3 (ja) | 1973-01-31 | 1973-01-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7303352A FR2216631B3 (ja) | 1973-01-31 | 1973-01-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2216631A1 FR2216631A1 (ja) | 1974-08-30 |
FR2216631B3 true FR2216631B3 (ja) | 1975-10-24 |
Family
ID=9114109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7303352A Expired FR2216631B3 (ja) | 1973-01-31 | 1973-01-31 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2216631B3 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2478255A1 (fr) * | 1980-03-11 | 1981-09-18 | Electricite De France | Dispositif de detection par ultrasons de fermeture d'un clapet |
-
1973
- 1973-01-31 FR FR7303352A patent/FR2216631B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2216631A1 (ja) | 1974-08-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |