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:
Sep. 11, 2001
Filed:
Apr. 28, 2000
Applicant:
Inventors:
Dale K. Jadus, Wappinger Falls, NY (US);
James M. Moniz, Poughquag, NY (US);
Joseph Pusl, Leucadia, CA (US);
Colin Ruhe, Beaverton, OR (US);
Carl Stuebing, Mahwah, NJ (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/68 ;
U.S. Cl.
CPC ...
H03F 3/68 ;
Abstract
A radio frequency power amplifier for a battery powered handset unit of a wireless communications system having a low power signal amplification path and a high power signal amplification path. Logic and biasing means within the handset select between the low power signal path and the high power signal depending upon the handset being within or outside a prescribed distance from a base station. In this way, the signals received at the base station from the handset are at the required power level.