Diver's control and indication apparatus

Details Diver's control and indication apparatus Diver's control and indication apparatus

1977-04-19

1978-08-22

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

58145R, 235 92T, 235 92DP, 235 92R, G07C 110

Patent

active

041091400

ABSTRACT:
Improved diver's apparatus is disclosed for automatically determining and displaying the depth and duration of a dive, as well as the allowable bottom time remaining for the dive to permit a safe ascent without going through decompression stages. For longer bottom times, the depth and duration of each decompression stop during ascent is automatically determined and displayed to the diver, an indication is provided when a stop is reached and the duration of the stop is timed. For repetitive dives the surface time between dives is used, in conjunction with the depth and duration of the previous dive, to determine the equivalent bottom time for beginning the succeeding dive.

REFERENCES:
patent: 3475902 (1969-11-01), Wessel
patent: 3505808 (1970-04-01), Eschle
patent: 3696610 (1972-10-01), Charbonnier
patent: 3919888 (1975-11-01), Muster et al.
patent: 3992949 (1976-11-01), Edmondson

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