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:
Aug. 17, 1999
Filed:
Mar. 21, 1994
Applicant:
Inventor:
Minoru Imura, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ; H04B / ;
U.S. Cl.
CPC ...
455 90 ; 455550 ; 455129 ; 455290 ; 343702 ; 343750 ; 343901 ;
Abstract
In a portable radio communication apparatus, a matching circuit is electrically connected to an antenna when the antenna is retracted into a casing. In this condition, the antenna and a feed circuit are matched as desirably as when the antenna is extended from the casing.
Quick Actions:
Imura, Minoru. (1999). Portable transceiver having retractable antenna and matching circuit (U.S. Patent No. 5940745). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5940745
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