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Dive computer with global positioning system receiver

a global positioning system and computer technology, applied in the field of underwater exploration, can solve the problems of insufficient depth alone to locate the position of a diver, and the inability to accurately locate the position underwater, and achieve the effect of greater accuracy in locating the position underwater

Inactive Publication Date: 2006-03-30
AMERICAN UNDERWATER PRODS OCEANIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The present invention provides an improved method for locating position underwater by measuring latitude, longitude, and time on the surface of the water and depth and time while underwater. Several embodiments also measure water speed and bearing for even greater accuracy. The invention also includes interfacing with a dive computer involving recording or recognition of speech or environmental sound and capturing images of points of interest using digital cameras. The processor, global positioning system receiver, and pressure transducer are necessary components of the invention. The method involves performing a first measurement of latitude, longitude, and time, descending underwater and measuring depth and time."

Problems solved by technology

A problem commonly encountered by divers is an inability to accurately locate position underwater.
However, depth alone is insufficient to locate the position of a diver during a dive.

Method used

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  • Dive computer with global positioning system receiver
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  • Dive computer with global positioning system receiver

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Embodiment Construction

[0028] Referring now to the drawings, dive computers in accordance with practice of the present invention are illustrated. The dive computers make and record at least three significant sets of measurements, which enable the estimation of the location of points of interest underwater and the path travelled by a diver during a dive. The first set of measurements typically includes measurements of latitude, longitude and time immediately prior to the commencement of a dive. The second set of measurements can be generated by periodically measuring depth and time during a dive. The third set of measurements can be compiled by measuring latitude, longitude and time immediately upon resurfacing from a dive. Following a dive, an estimation of location at a specified time during the dive using these three sets of measurements can be made by using a number of techniques in accordance with practice of the present invention. In several embodiments, the accuracy of the estimation can be increase...

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PUM

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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.

Description

CROSS-REFERENCE TO RELATED APPLICATION(S) [0001] This application is a continuation of U.S. application Ser. No. 10 / 615,635, filed Jul. 8, 2003, entitled DIVE COMPUTER WITH GLOBAL POSITIONING SYSTEM RECEIVER, which claims priority of U.S. Provisional Application No. 60 / 394,982, filed Jul. 8, 2002, the contents of which are expressly incorporated herein in their entirety.FIELD OF INVENTION [0002] The present invention relates generally to underwater exploration and more specifically to apparatus and techniques for determining location during a dive. BACKGROUND OF THE INVENTION [0003] The development of self-contained breathing systems has enabled humans to dive and remain underwater for several hours. The ability to remain underwater for an extended period of time can enable divers to reach considerable depths and cover expansive distances in exploring underwater terrain. [0004] A problem commonly encountered by divers is an inability to accurately locate position underwater. Positio...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01S5/14B63C11/02B63C11/26G01S19/14G01S19/19G01S19/35G01S19/36G01S19/51H04B11/00
CPCB63C11/26B63C2011/021G01S19/14G01S19/51G01S19/35G01S19/36G01S19/45G01S19/19G01S19/13G06F1/163
Inventor HOLLIS, ROBERT R.LEWIS, JOHN E.
Owner AMERICAN UNDERWATER PRODS OCEANIC
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