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:
Mar. 06, 2001
Filed:
Jul. 30, 1999
Applicant:
Inventors:
Jon J. Powles, Weeping Water, NE (US);
Todd M. Blacksher, Lincoln, NE (US);
Assignee:
Centurion Intl., Inc., Lincoln, NE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/24 ;
U.S. Cl.
CPC ...
H01Q 1/24 ;
Abstract
A switched, dual helical, retractable, dual band antenna for a cellular communication device comprising a device which functions at two specific frequency bands when in the retracted mode and which functions at two specific frequency bands when in the extended mode. The antenna includes an elongated radiator which is in circuit when the antenna is in its extended position and includes inner and outer helical radiators which are in circuit when the antenna is in the retracted mode.