FR2288427A1 - Procede et dispositif pour la transmission d'information en milieu aquatique - Google Patents
Procede et dispositif pour la transmission d'information en milieu aquatiqueInfo
- Publication number
- FR2288427A1 FR2288427A1 FR7434813A FR7434813A FR2288427A1 FR 2288427 A1 FR2288427 A1 FR 2288427A1 FR 7434813 A FR7434813 A FR 7434813A FR 7434813 A FR7434813 A FR 7434813A FR 2288427 A1 FR2288427 A1 FR 2288427A1
- Authority
- FR
- France
- Prior art keywords
- circuits
- communication system
- ultrasonic pulses
- signal delays
- underwater communication
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7434813A FR2288427A1 (fr) | 1974-10-16 | 1974-10-16 | Procede et dispositif pour la transmission d'information en milieu aquatique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7434813A FR2288427A1 (fr) | 1974-10-16 | 1974-10-16 | Procede et dispositif pour la transmission d'information en milieu aquatique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2288427A1 true FR2288427A1 (fr) | 1976-05-14 |
FR2288427B3 FR2288427B3 (fr) | 1977-07-22 |
Family
ID=9144174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7434813A Granted FR2288427A1 (fr) | 1974-10-16 | 1974-10-16 | Procede et dispositif pour la transmission d'information en milieu aquatique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2288427A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0521597A2 (fr) * | 1991-07-05 | 1993-01-07 | Divecomm, Inc. | Masque facial intégré pour plongeur et appareil de communication vocale sous-marine par ultrasons |
GB2288479A (en) * | 1994-04-15 | 1995-10-18 | Jeremy Neville Dale | Communication apparatus |
FR2823710A1 (fr) * | 2001-04-20 | 2002-10-25 | France Telecom | Systeme de telecommunication pour plongeurs sous-marins |
-
1974
- 1974-10-16 FR FR7434813A patent/FR2288427A1/fr active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0521597A2 (fr) * | 1991-07-05 | 1993-01-07 | Divecomm, Inc. | Masque facial intégré pour plongeur et appareil de communication vocale sous-marine par ultrasons |
EP0521597A3 (en) * | 1991-07-05 | 1993-07-14 | Divecomm, Inc. | Integrated diver face mask and ultrasound underwater voice communication apparatus |
GB2288479A (en) * | 1994-04-15 | 1995-10-18 | Jeremy Neville Dale | Communication apparatus |
FR2823710A1 (fr) * | 2001-04-20 | 2002-10-25 | France Telecom | Systeme de telecommunication pour plongeurs sous-marins |
WO2002085700A1 (fr) * | 2001-04-20 | 2002-10-31 | France Telecom Sa | Systeme de telecommunication pour plongeurs sous-marins |
Also Published As
Publication number | Publication date |
---|---|
FR2288427B3 (fr) | 1977-07-22 |
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