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:
Jan. 31, 2017
Filed:
Oct. 13, 2015
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Alberto Valdes Garcia, Chappaqua, NY (US);
Scott K. Reynolds, Amawalk, NY (US);
Bodhisatwa Sadhu, White Plains, NY (US);
Yahya Mesgarpour Tousi, White Plains, NY (US);
Assignee:
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2015.01); H04B 1/48 (2006.01); H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
H04B 1/48 (2013.01); H04B 1/0475 (2013.01); H04B 2001/0408 (2013.01); H04B 2001/485 (2013.01);
Abstract
Transmit/receive switches and methods for radio control include connecting a first reactive impedance in parallel with a power amplifier on a transmit path during reception to neutralize a reactive impedance of the power amplifier and to prevent received signals from entering the transmit path. The first reactive impedance is disconnected during transmission.