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:
Sep. 25, 2012
Filed:
Apr. 25, 2008
Fei MA, Guangdong, CN;
Fujun Cao, Guangdong, CN;
Jianwei Liu, Guangdong, CN;
Zhaobing Shou, Guangdong, CN;
Fei Ma, Guangdong, CN;
Fujun Cao, Guangdong, CN;
Jianwei Liu, Guangdong, CN;
Zhaobing Shou, Guangdong, CN;
Shenzhen H & T Intelligent Control Co., Ltd., Shenzhen, Guangdong, CN;
Abstract
A gas cooker control system includes an ignition controller including a touch button, a resistor, a first comparator, a second comparator and a third comparator, one end of the touch button connected to external power source, and the other end connected to first inputs of the first, second and third comparators, the resistor being connected between the inputs of the first, second and third comparators and ground, outputs of the first, second and third comparators being connected to an igniter, a gas valve and a system power source; a gas valve controller including a switch circuit connected to a power source, at least one gas valve circuit connected between the switch circuit and ground, and a protection circuit parallel to the at least on gas valve circuit; and a power and ignition controller driving device including a power source driving circuit, an ignition driving circuit and a comparison circuit.