
US Patent No: 5,523,982
Number of patents in Portfolio can not be more than 2000
Communication apparatus
Stats
-
Jun 4, 1996
Issued date -
Mar 31, 1995
filing date -
08/414,192
serial no -
Expired
status
Importance
Loading Importance Indicators...
Abstract
The invention relates to diver-to-diver communication apparatus. There is provided a communication apparatus (2) for diver to diver communication, the apparatus comprising a waterproof casing (4), power supply means (52), ultra acoustic transmission means (72), ultra acoustic reception means (72, 74), control means (56) for the ultra acoustic transmissions, monitoring means (56) for the ultra acoustic reception, and means (16) to actuate the transmission means (72); whereby upon actuation of the transmission means (72) a predetermined signal is transmitted by the transmission means (72) suitable for reception by the reception means (72, 74) of another diver using similar apparatus (2).
Loading the Abstract Image...
First Claim
Related Publications
Loading Related Publications...
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
|
|
|||
| 5,136,555 Integrated diver face mask and ultrasound underwater voice communication apparatus | 28 | 1991 | |
|
|
|||
| 5,331,602 Acoustic navigation and diving information system and method | 35 | 1993 | |
|
|
|||
| 5,010,529 Underwater transmitter apparatus | 14 | 1990 | |