FR2619947B1 - Corne de brume pour signaux phoniques automatique - Google Patents
Corne de brume pour signaux phoniques automatiqueInfo
- Publication number
- FR2619947B1 FR2619947B1 FR8712229A FR8712229A FR2619947B1 FR 2619947 B1 FR2619947 B1 FR 2619947B1 FR 8712229 A FR8712229 A FR 8712229A FR 8712229 A FR8712229 A FR 8712229A FR 2619947 B1 FR2619947 B1 FR 2619947B1
- Authority
- FR
- France
- Prior art keywords
- phone signals
- automatic phone
- fog horn
- fog
- horn
- 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
-
- 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
- B06B1/023—Driving circuits for generating signals continuous in time and stepped in amplitude, e.g. square wave, 2-level signal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B45/00—Arrangements or adaptations of signalling or lighting devices
- B63B45/08—Arrangements or adaptations of signalling or lighting devices the devices being acoustic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8712229A FR2619947B1 (fr) | 1987-09-02 | 1987-09-02 | Corne de brume pour signaux phoniques automatique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8712229A FR2619947B1 (fr) | 1987-09-02 | 1987-09-02 | Corne de brume pour signaux phoniques automatique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2619947A1 FR2619947A1 (fr) | 1989-03-03 |
FR2619947B1 true FR2619947B1 (fr) | 1989-11-17 |
Family
ID=9354593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8712229A Expired FR2619947B1 (fr) | 1987-09-02 | 1987-09-02 | Corne de brume pour signaux phoniques automatique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2619947B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2807864A1 (fr) * | 2000-04-14 | 2001-10-19 | Willy Noerens | Corne de brume a fonctionnement automatique |
GB2388995B (en) * | 2002-05-23 | 2004-06-30 | Gent Ltd | Improvements in and relating to alarms |
MXPA05001252A (es) | 2002-07-31 | 2005-11-23 | Tsx Products Corp | Controlador para manipular automaticamente senal de bocina por propositos de navegacion. |
CN107585270A (zh) * | 2016-07-18 | 2018-01-16 | 左迁 | 船舶声号控制装置及船舶声号控制系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3138795A (en) * | 1959-08-07 | 1964-06-23 | Wallace & Tiernan Inc | Electronic audible horn |
US4382251A (en) * | 1980-09-23 | 1983-05-03 | Casio Computer Co., Ltd. | Envelope control device for piezoelectric buzzer |
US4388614A (en) * | 1980-12-15 | 1983-06-14 | The United States Of America As Represented By The Secretary Of The Air Force | Automatically sequenced signaling system |
DE3438464A1 (de) * | 1984-10-19 | 1986-04-24 | Petersen, Fred, Dipl.-Ing., 2000 Barsbüttel | Signalgebergeraet fuer wasserfahrzeuge |
-
1987
- 1987-09-02 FR FR8712229A patent/FR2619947B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2619947A1 (fr) | 1989-03-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2491707B1 (fr) | Dispositif de selection de mode pour magnetoscope | |
FR2620554B1 (fr) | Systeme de changement automatique pour support du type cassette | |
FR2542143B1 (fr) | Dispositif de reperage pour cable | |
FR2494644B1 (fr) | Dispositif de suppression automatique d'un signal de changement de direction pour un vehicule | |
FR2494648B1 (fr) | Dispositif d'alarme pour un dispositif de transmission automatique | |
FR2589545B1 (fr) | Dispositif de stationnement pour une transmission automatique | |
FR2508261B1 (fr) | Circuit de reduction de bruit pour signaux video | |
FR2537236B1 (fr) | Timonerie automatique pour systeme de commande | |
BE885338A (fr) | Systeme de monture pour lentilles | |
FR2548976B1 (fr) | Dispositif de toit ouvrant pour automobiles | |
BE893723A (fr) | Systeme pour produite un signal operant | |
EP0071979A3 (en) | Signal receiving circuit for optical communication | |
FR2504339B1 (fr) | Reglage automatique de l'accentuation de signaux video | |
FR2623446B3 (fr) | Rapporteur multifonction pour le trace de figures geometriques | |
FR2619947B1 (fr) | Corne de brume pour signaux phoniques automatique | |
FR2669883B1 (fr) | Dispositif de freinage automatique pour vehicule. | |
FR2600363B1 (fr) | Dispositif de parking automatique pour entreposer les vehicules | |
DE58905725D1 (de) | Hybrid-codierer fuer videosignale. | |
FR2529734B1 (fr) | Systeme pour deparasiter des signaux | |
FR2601989B1 (fr) | Parking automatique pour tous vehicules | |
NO154030C (no) | Signalbehandlende kretsanordning for talesignaler over en abonnentlinje. | |
FR2476950B1 (fr) | Circuit amplificateur de signal video pour magnetoscope | |
FR2524753B1 (fr) | Systeme d'accentuation de signaux video | |
FR2545764B1 (fr) | Structure de toit ouvrant pour vehicules | |
FR2649056B1 (fr) | Dispositif de support pour semi-remorques |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |