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:
Jan. 14, 2020
Filed:
Jul. 10, 2019
Wiwynn Corporation, New Taipei, TW;
Li-Min Chang, New Taipei, TW;
Kai Jie Lai, New Taipei, TW;
Chia-Hung Yen, New Taipei, TW;
Po Yu Chen, New Taipei, TW;
WIWYNN CORPORATION, New Taipei, TW;
Abstract
A control method for communicating with an external device includes the steps of: when the external device is coupled to a connector, receiving a device existence voltage from the external device; generating a first control signal and a second control signal according to the device existence voltage; coupling a first voltage source or a second voltage source to the connector according to the first control signal, such that a first voltage of the first voltage source or a second voltage of the second voltage source is used as a supply voltage of the external device; and coupling a third voltage source or a fourth voltage source to an output node according to the second control signal, such that a third voltage of the third voltage source or a fourth voltage of the fourth voltage source is used as a tunable output voltage at the output node.