FR2553213B1 - Dispositif d'alarme sonore etanche et appareil le comportant - Google Patents
Dispositif d'alarme sonore etanche et appareil le comportantInfo
- Publication number
- FR2553213B1 FR2553213B1 FR8316137A FR8316137A FR2553213B1 FR 2553213 B1 FR2553213 B1 FR 2553213B1 FR 8316137 A FR8316137 A FR 8316137A FR 8316137 A FR8316137 A FR 8316137A FR 2553213 B1 FR2553213 B1 FR 2553213B1
- Authority
- FR
- France
- Prior art keywords
- same
- alarm device
- sound alarm
- waterproof sound
- waterproof
- Prior art date
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8316137A FR2553213B1 (fr) | 1983-10-11 | 1983-10-11 | Dispositif d'alarme sonore etanche et appareil le comportant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8316137A FR2553213B1 (fr) | 1983-10-11 | 1983-10-11 | Dispositif d'alarme sonore etanche et appareil le comportant |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2553213A1 FR2553213A1 (fr) | 1985-04-12 |
FR2553213B1 true FR2553213B1 (fr) | 1986-06-13 |
Family
ID=9293004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8316137A Expired FR2553213B1 (fr) | 1983-10-11 | 1983-10-11 | Dispositif d'alarme sonore etanche et appareil le comportant |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2553213B1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20109304U1 (de) * | 2001-06-02 | 2001-09-06 | Spanner Pollux Gmbh | Vorrichtung zur Erzeugung von Signalen |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3638052A (en) * | 1969-09-22 | 1972-01-25 | Dynamics Corp America | Electroacoustic transducers of the bilaminar flexural vibrating type |
US3721840A (en) * | 1971-09-14 | 1973-03-20 | Nittan Co Ltd | Sound generator |
CA1087004A (fr) * | 1976-08-11 | 1980-10-07 | Michael J. Hampshire | Generateur de son |
DE3041742C2 (de) * | 1980-11-05 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Luftschallgeber |
-
1983
- 1983-10-11 FR FR8316137A patent/FR2553213B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2553213A1 (fr) | 1985-04-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |