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:
Feb. 09, 2016
Filed:
Apr. 27, 2012
Yen-ching Lee, Taipei, TW;
Shang-ming Chiu, Taipei, TW;
Yen-Ching Lee, Taipei, TW;
Shang-Ming Chiu, Taipei, TW;
Getac Technology Corporation, Hsinchu County, TW;
Abstract
An antenna switching circuit and an electronic device and an antenna switching method thereof are provided. The antenna switching circuit is disposed in the electronic device including an internal antenna and a RF module, and includes an external antenna connector and a controller. The external antenna connector has an independent ground terminal for receiving an independent ground signal, and the external antenna connector is electrically connected to an external antenna. The controller has a first RF terminal, a second RF terminal and a control terminal, the first RF terminal is electrically connected to the RF module, the second RF terminal is electrically connected to the internal antenna, and the control terminal detects the independent ground signal. When the controller detects no change in the independent ground signal, the controller electrically connects the RF module to the internal antenna; otherwise, the controller electrically connects the RF module to the external antenna.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile