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:
Apr. 02, 2002
Filed:
May. 08, 1998
Applicant:
Inventors:
Wen-Wei Yang, Hsin-Chu, TW;
Min Hung Shen, Hsinchu, TW;
Chen-Chung Kuo, Tainan, TW;
Shuw Guann Lin, Kaushong, TW;
Ssu-Pin Ma, Taipei, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/44 ; H04B 1/46 ;
U.S. Cl.
CPC ...
H04B 1/44 ; H04B 1/46 ;
Abstract
A wireless LAN RF module uses parasitic element compensation devices in an antenna select circuit to improve port isolation. In addition, various combinations of RC filter networks and spurious radiation attenuators are incorporated into the Quad Demod/Mod and Synthesizer ;/circuits to provide suppression of EMI susceptibility and radiation throughout the RF module.