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. 03, 2001
Filed:
Oct. 25, 1999
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/24 ; H01Q 1/36 ;
U.S. Cl.
CPC ...
H01Q 1/24 ; H01Q 1/36 ;
Abstract
A retractable antenna unit for a mobile phone including an antenna housing provided in the casing of the mobile phone, a helical antenna installed in the antenna housing, a whip antenna having an upper end provided with a knob and a lower end provided with a stopper, the stopper being also provided with a feeder part, and a metal tube for supplementing the length of the helical antenna when the whip antenna is completely retracted into the antenna housing, or serving to extend the operational length of the whip antenna when the whip antenna is completely extended from the antenna housing, whereby the wave feed position of the whip antenna is raised when the whip antenna is completely extended from the antenna housing.