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:
May. 06, 2014
Filed:
Mar. 06, 2007
Chin-wei Huang, Hsinchu, TW;
Shan-chih Tsou, Hsinchu, TW;
Chin-Wei Huang, Hsinchu, TW;
Shan-Chih Tsou, Hsinchu, TW;
Realtek Semiconductor Corp., Hsinchu, TW;
Abstract
A method for detecting a capacitive load circuit of a remote powered device in a communication system is disclosed. The communication system includes the power source device being coupled to the remote powered device by a cable. the method comprises: providing a first current to the capacitive load circuit of the remote powered device; charging or discharged the capacitive load circuit of the remote powered device according to the first current; and detecting a voltage value or a slope of a first voltage of the capacitive load circuit to generate a detection result. The method further comprises: providing an operation voltage to the remote powered device.