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. 01, 1990
Filed:
Jan. 18, 1989
Applicant:
Inventors:
Garold B Gaskill, Tualatin, OR (US);
Michael Miles, Aloha, OR (US);
Clifford B Schrock, Portland, OR (US);
Assignee:
AT & E Corporation, San Francisco, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05G / ;
U.S. Cl.
CPC ...
343718 ; 455351 ;
Abstract
The present invention provides a means of maintaining a constant tuned frequency as a wrist band antenna is lengthened and shortened. As a wrist band antenna is lengthened, the inductance of the antenna is generally increased. The present invention provides a wrist band the length of the antenna. As the wrist band is lengthened the inductance increases and the capacitance decreases thereby maintaining the tuned frequency substantially constant.