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.

Date of Patent:
Oct. 02, 2001

Filed:

Nov. 02, 1998
Applicant:
Inventor:

Daniel Chang, Pa-Te, TW;

Assignee:

Auden Techno Corp., Taoyuan Hsien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/36 ;
U.S. Cl.
CPC ...
H01Q 1/36 ;
Abstract

A bi-frequency cellular telephone antenna includes a shaft fastened to a cellular telephone, an insulative barrel fastened to the shaft at a top side, a first coil for a first frequency mounted inside the insulative barrel, and a second coil for a second frequency mounted around the periphery of the insulative barrel.


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