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:
Aug. 04, 2015
Filed:
Dec. 27, 2013
Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd., Shenzhen, CN;
Hon Hai Precision Industry Co., Ltd., New Taipei, TW;
HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., Shenzhen, CN;
HON HAI PRECISION INDUSTRY CO., LTD., New Taipei, TW;
Abstract
A fan simulation circuit includes a connector, a voltage converter, a control chip, and a selecting module. The connector is used to output a speed signal. A power pin of the voltage converter is connected to a first voltage input terminal. An output pin of the voltage converter is connected to a speed pin of the connector through a first resistor. The output pin is also connected to a second voltage input terminal through the first resistor and a second resistor in that order. The selecting module is used to output high or low-level signals to the control chip. The control chip outputs different speed signals to an input pin of the voltage converter. The voltage converter converts the speed signals and outputs converted speed signals to the speed pin of the connector.