FR2333314A1 - Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique - Google Patents
Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustiqueInfo
- Publication number
- FR2333314A1 FR2333314A1 FR7536272A FR7536272A FR2333314A1 FR 2333314 A1 FR2333314 A1 FR 2333314A1 FR 7536272 A FR7536272 A FR 7536272A FR 7536272 A FR7536272 A FR 7536272A FR 2333314 A1 FR2333314 A1 FR 2333314A1
- Authority
- FR
- France
- Prior art keywords
- frequency
- signals
- loudspeaker
- supply circuit
- provides
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0269—Driving circuits for generating signals continuous in time for generating multiple frequencies
- B06B1/0276—Driving circuits for generating signals continuous in time for generating multiple frequencies with simultaneous generation, e.g. with modulation, harmonics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7536272A FR2333314A1 (fr) | 1975-11-27 | 1975-11-27 | Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7536272A FR2333314A1 (fr) | 1975-11-27 | 1975-11-27 | Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2333314A1 true FR2333314A1 (fr) | 1977-06-24 |
FR2333314B1 FR2333314B1 (fr) | 1978-04-14 |
Family
ID=9162969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7536272A Granted FR2333314A1 (fr) | 1975-11-27 | 1975-11-27 | Procede et dispositif d'alimentation d'un haut-parleur de signalisation acoustique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2333314A1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2936981A1 (de) * | 1979-09-13 | 1981-03-19 | Wandel & Goltermann Gmbh & Co, 7412 Eningen | Warnsignalgenerator zur speisung eines druckkammerlautsprechers |
FR2494015A1 (fr) * | 1980-11-10 | 1982-05-14 | Maruko Keihoki Kk | Generateur sonore piezo-electrique multifrequence |
EP0073878A1 (fr) * | 1981-09-04 | 1983-03-16 | Hörmann GmbH | Sirène électronique |
DE3420988A1 (de) * | 1984-06-06 | 1985-12-12 | Robert Bosch Gmbh, 7000 Stuttgart | Elektronische warnsignalanlage, insbesondere fuer kraftfahrzeuge |
FR2631505A1 (fr) * | 1988-05-11 | 1989-11-17 | Neiman Sa | Dispositif d'alimentation d'un haut-parleur de signalisation acoustique |
WO1994025956A1 (fr) * | 1993-04-30 | 1994-11-10 | Federal Signal Corporation | Circuit generateur de tonalite |
AT14173U1 (de) * | 2013-07-25 | 2015-05-15 | Fed Signal Vama Sa | Elektronische sirene |
WO2015112608A3 (fr) * | 2014-01-23 | 2015-10-22 | Federal Signal Corporation | Production de son |
-
1975
- 1975-11-27 FR FR7536272A patent/FR2333314A1/fr active Granted
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2936981A1 (de) * | 1979-09-13 | 1981-03-19 | Wandel & Goltermann Gmbh & Co, 7412 Eningen | Warnsignalgenerator zur speisung eines druckkammerlautsprechers |
EP0025537A1 (fr) * | 1979-09-13 | 1981-03-25 | Wandel & Goltermann GmbH & Co | Générateur de signal d'avertissement pour l'alimentation d'un haut-parleur à chambre de compression |
FR2494015A1 (fr) * | 1980-11-10 | 1982-05-14 | Maruko Keihoki Kk | Generateur sonore piezo-electrique multifrequence |
EP0073878A1 (fr) * | 1981-09-04 | 1983-03-16 | Hörmann GmbH | Sirène électronique |
DE3420988A1 (de) * | 1984-06-06 | 1985-12-12 | Robert Bosch Gmbh, 7000 Stuttgart | Elektronische warnsignalanlage, insbesondere fuer kraftfahrzeuge |
FR2565727A1 (fr) * | 1984-06-06 | 1985-12-13 | Bosch Gmbh Robert | Installation electronique de signal-avertisseur notamment pour vehicules automobiles. |
FR2631505A1 (fr) * | 1988-05-11 | 1989-11-17 | Neiman Sa | Dispositif d'alimentation d'un haut-parleur de signalisation acoustique |
WO1994025956A1 (fr) * | 1993-04-30 | 1994-11-10 | Federal Signal Corporation | Circuit generateur de tonalite |
US5754095A (en) * | 1993-04-30 | 1998-05-19 | Federal Signal Corporation | Tone generating circuit |
AT14173U1 (de) * | 2013-07-25 | 2015-05-15 | Fed Signal Vama Sa | Elektronische sirene |
WO2015112608A3 (fr) * | 2014-01-23 | 2015-10-22 | Federal Signal Corporation | Production de son |
US9900705B2 (en) | 2014-01-23 | 2018-02-20 | Federal Signal Corporation | Tone generation |
Also Published As
Publication number | Publication date |
---|---|
FR2333314B1 (fr) | 1978-04-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |