Compass and communication system

Details Compass and communication system Compass and communication system

2005-08-16

2005-08-16

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Error due to component compatibility

C702S092000, C702S093000, C702S095000, C702S150000

Reexamination Certificate

active

06931339

ABSTRACT:
A system and method indicate azimuth of a diver to a remote console. A compass sensor module on a headgear worn by the diver has a two-axis gimbal mechanism provided with a protective housing around ring and two orthogonal axis structures. A magnetic field sensor unit mounted on one axis structure provides magnetic field data signals representative of the azimuth faced by the diver. A processor section of the compass module connected to the sensor unit provides azimuth data signals from the magnetic field data signals. A data transmission module has a conductor extending from the compass module to an amplifier and cable for amplifying azimuth data signals and remotely transmitting them. An acoustic transducer in the data module can also transmit azimuth data signals as acoustic signals through water. The console connected to the cable and water receives and displays the remotely transmitted azimuth data signals.

REFERENCES:
patent: 6162191 (2000-12-01), Foxlin

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