Diver's bottom timer/depth gauge or the like and direct digital input and tracking system therefor
US4352168A · kind A · utility
32Cited by
6References
6Claims
0Family size
Inventor
Key dates
| Filing date | Apr 14, 1980 |
| Grant date | Sep 28, 1982 |
| Priority date | — |
| Expiry date | Apr 14, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B47/066
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A meter for divers which records and displays depth and elapsed time of dive information in LCD format including a microprocessor for recording and displaying essential dive information, a sensor, responsive to ambient pressure and variations in such pressure, and a direct digital input and tracking system for transmitting sensed information directly to the microprocessor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.