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:
Dec. 23, 2014
Filed:
Sep. 23, 2011
Seung-chul Choi, Suwon-si, KR;
Seung-Chul Choi, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
A portable terminal has a keypad. The portable terminal includes the keypad including a plurality of key buttons in a predetermined pattern and forming an antenna pattern by using devices connected to both ends of predetermined key buttons among the plurality of key buttons, a Radio Frequency (RF) communicator connected to signal lines of the predetermined key buttons of the keypad, a digital circuit for recognizing a signal input to the keypad, and a controller for controlling the keypad to be selectively switched to one of the digital circuit and the RF communicator according to a signal generated in a resonance frequency region of a particular service band.