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. 14, 2006
Filed:
Mar. 14, 2003
Ching-hui Wang, Hsinchu, TW;
Hsien-chung Chen, Hsinchu, TW;
Tsung-han Peng, Hsinchu, TW;
Macronix International Co. Ltd., Hsinchu, TW;
Abstract
A detection circuit that includes a first relay coupled to a solenoid valve for sensing an operation state of the solenoid valve, a second relay coupled to the first relay adapted for activating in response to activation of the first relay, a sensor for detecting an operation state of a device, a third relay coupled to the sensor, wherein the senor is adapted for providing a signal to activate the third relay, and wherein the second relay is deactivated in response to the activation of the third relay, and a fourth relay coupled to the first and second relays, wherein the fourth relay is activated when the first relay is deactivated and the second relay is activated.