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:
Mar. 20, 2001

Filed:

Feb. 01, 2000
Applicant:
Inventors:

Daniel Chang, Pa-Te, TW;

Chi-Ming Chiang, Pa-Te, TW;

Assignee:

Auden Technology Mfg. Co., Ltd., Tao-Yuan Hsien, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/24 ;
U.S. Cl.
CPC ...
H01Q 1/24 ;
Abstract

A stretchable antenna for mobile phones including a fixed axle sleeve embedded in antecedent therein a fixed coil antenna, the axle sleeve forms requisite electric connection with the mobile phone on the body top of the latter, an antenna rod is freely moved to and fro in the axle sleeve and has on the top thereof an insulation end which is combined with a metallic end piece, a coil antenna is provided on the end piece, a metallic annular piece is provided beneath the metallic end piece; the shank of the antenna rod, the end piece, the annular piece and the coil antenna are enveloped with a coating by and positioned in injection molding, the bottom of the antenna rod connects a metallic sleeve; when the coil antenna is stretched, the end piece abuts on the annular piece to render the coil antenna to contact the antenna rod directly to form electric connection, when the antenna rod is retracted, extension of the antenna rod is limited by an abutting point to force the end piece to separate from the annular piece to eliminate coupling effect between the coil antenna and the fixed coil antenna.


Find Patent Forward Citations

Chang, Daniel. (2001). Stretchable antenna for mobile phones (U.S. Patent No. 6204818). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6204818

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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