Dive computer with global positioning system receiver
DCFirst Claim
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1. A position location device comprising:
- a waterproof housing;
a processor enclosed within the waterproof housing;
a global positioning system receiver enclosed within the waterproof housing and connected to the processor; and
a pressure transducer connected to the processor;
clock circuitry connected to the processor and enclosed within the waterproof housing;
wherein the global positioning system receiver includes an antenna enclosed within the waterproof housing; and
wherein the pressure transducer is configured to measure depth under water;
wherein the processor is configured to obtain at least one measurement of position using the global positioning system when the position location device is above water;
wherein the processor is configured to obtain at least one measurement of depth and time using the pressure transducer and the clock circuitry when the location device is submerged;
wherein the processor is configured to record a profile of the dive including measurements of multiple positions and multiple depths and times.
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Abstract
Dive computers and methods of logging information including position, audio and video information are disclosed. In one embodiment, the invention includes a processor, a global positioning system receiver connected to the processor and a pressure transducer connected to the processor.
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Citations
32 Claims
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1. A position location device comprising:
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a waterproof housing; a processor enclosed within the waterproof housing; a global positioning system receiver enclosed within the waterproof housing and connected to the processor; and a pressure transducer connected to the processor; clock circuitry connected to the processor and enclosed within the waterproof housing; wherein the global positioning system receiver includes an antenna enclosed within the waterproof housing; and wherein the pressure transducer is configured to measure depth under water; wherein the processor is configured to obtain at least one measurement of position using the global positioning system when the position location device is above water; wherein the processor is configured to obtain at least one measurement of depth and time using the pressure transducer and the clock circuitry when the location device is submerged; wherein the processor is configured to record a profile of the dive including measurements of multiple positions and multiple depths and times. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A position location device comprising:
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means for measuring latitude and longitude; means for measuring depth underwater; means for measuring time; means for recording multiple measurements of latitude, longitude and time when the position location device is above water; means for recording multiple measurements of death and time when the position location device is submerged; means for generating a dive profile using the recorded measurements; and wherein the means for measuring latitude and longitude, the means for measuring time and the means for recording measurements are enclosed within a waterproof housing. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A method of recording data, comprising:
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performing a first measurement of latitude, longitude and time; recording information indicative of the first measurement of latitude, longitude and time in a memory; descending underwater; measuring depth and time; recording information indicative of the depth and time measurements in the memory; resurfacing; performing a second measurement of latitude, longitude and time; recording information indicative of the second measurement of latitude, longitude and time in the memory; and constructing a dive profile using information including the latitude, longitude and time recordings obtained when the diver is at the surface and the depth and time measurements obtained when the diver is underwater. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification