Communications: directive radio wave systems and devices (e.g. – Directive – Including a satellite
Patent
1995-11-30
1997-05-06
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Directive
Including a satellite
342352, G01S 502
Patent
active
056275480
ABSTRACT:
A navigation wristwear device comprises a GPS receiver fully disposed in a wrist watch type housing. A transparent microwave patch antenna is patterned of indium-tin-oxide on sapphire in front of an LCD time, position and velocity display. A bezel provides a protective window. A low-noise amplifier, downconversion, code processing and navigation processing are all provided on a single integrated circuit. Photovoltaic solar cells to each side of the LCD help keep a battery charged.
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Janky Gregory T.
Mura-Smith Kiyoko M.
Woo Arthur N.
Phan Dao L.
Schatzel Thomas E.
Tarcza Thomas H.
Trimble Navigation Limited
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