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:
Jul. 23, 1996
Filed:
Nov. 16, 1994
John D Terry, Salem, OR (US);
Brien J Denheyer, Portland, OR (US);
Kelly Communications Group, Inc., Beaverton, OR (US);
Abstract
An antenna clip includes a U-shaped front end that slides into a slot on an edge of a printed circuit board (PCB). The PCB holds the clip rigidly in both a lateral direction and in a front to back parallel orientation with the PCB providing a reliable electrical contact between the antenna and the phone electrical circuitry. An antenna switching circuit switches between an internally connected antenna and an external system detachably coupled to an external connector. The antenna circuit has a wire length of .lambda./4 between the phone circuit and the antenna and a wire length of N.lambda./2 between the phone circuitry and the external system. The antenna then appears as an open circuit when coupled to ground through a diode. Alternatively, the external connector appears as an open circuit when disconnected from the external system.