Boots – shoes – and leggings
Patent
1994-08-12
1997-05-27
Trans, Vincent N.
Boots, shoes, and leggings
364460, 342357, G01S 500
Patent
active
056337990
ABSTRACT:
Apparatus for determining the present location of, or time of observation by, an observer in the vicinity of the Earth's surface. The apparatus provides a Satellite Positioning System (SATPS), such as GPS or GLONASS, in a portable device or card that is built to the I.E.E.E. PC/104 Standard, which is a variation of the I.E.E.E. P996 Standard for personal computer buses. The PC/104/SATPS Card includes an SATPS antenna to receive (and frequency downconvert, if necessary) SATPS signals from one or more SATPS satellites, a microprocessor programmed to receive the SATPS signals from the antenna and to perform calculations to determine the spatial location of the antenna and/or the time of observation by the antenna. The PC/104/SATPS Card has a buffer and a format translator to compensate for SATPS signal latency and for differences in SATPS signal arrival rate and PC/104 signal processing rate and/or to translate signals from SATPS format to whatever format the microprocessor uses. The PC/104/SATPS Card optionally has a keyboard, pen-and-tablet or other information entry means, optionally includes an information transfer module for transferring information from the PC/104/SATPS Card to another electronic apparatus for further signal processing or for display of the location of, or time of observation by, the antenna, and optionally includes a display module for displaying the location of, or time of observation by, the antenna in a visually perceptible manner on the card itself.
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IEEE PC Bus Standard P996, Draft D2.02, 13 Jul. 1990. (No Page Numbers).
IEEE Standard for Compact Embedded-PC Modules P996.1 Draft D1.00, pp. 1-16, 20 Oct. 1993.
Garbowski Leigh Marie
Schipper John
Trans Vincent N.
Trimble Navigation Limited
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