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:
Jun. 19, 2001
Filed:
Dec. 21, 1998
Howard E. Holshouser, Efland, NC (US);
Gerard J. Hayes, Wake Forest, NC (US);
Ericcson Inc., Research Triangle Park, NC (US);
Abstract
An indirect electrical coupling for a cellular telephone antenna is created by a rotary primary antenna and a stationary paging antenna when the primary antenna is extended into an operative position. When extended, the primary antenna is positioned proximate to the secondary antenna to define an electrical coupling therebetween. Rotating the primary antenna away from the extended position automatically disengages the primary antenna from the telephone operating circuit. The antenna elements or antenna spacings provide the appropriate matching circuitry and the advancement and retraction of the primary antenna provides the switching of the matching circuitry.