The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 06, 1997
Filed:
Nov. 30, 1995
Applicant:
Inventors:
Arthur N Woo, Cupertino, CA (US);
Kiyoko M Mura-Smith, Los Altos Hills, CA (US);
Gregory T Janky, Bellingham, WA (US);
Assignee:
Trimble Navigation Limited, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
342357 ; 342352 ;
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.