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. 29, 1995
Filed:
Nov. 28, 1994
Applicant:
Inventor:
Mitsuya Makino, Saitama, JP;
Assignee:
Nippon Antenna Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q / ;
U.S. Cl.
CPC ...
343702 ; 343895 ; 343901 ;
Abstract
An extendible whip antenna suitable for a hand-held two-way radio apparatus having a wide frequency band and a high sensitivity is disclosed, in which when it is used for communication, a 1/2-wave length whip antenna is extended outside of a case and a stopper conductor thereof is engaged with a holder conductor so that it is connected with a radio circuit through a matching circuit together with a 1/2-wave length helical antenna element.