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. 26, 2003
Filed:
Jan. 24, 2002
Hongyong Yuan, Anhui, CN;
Weicheng Fan, Anhui, CN;
Guofeng Su, Anhui, CN;
Binghai Liu, Anhui, CN;
Shenyou Liu, Anhui, CN;
Qingan Wang, Anhui, CN;
Abstract
The present invention relates to a method for detecting fire with light section image to sense smoke. Infrared radiation arrays ( ) and infrared cameras ( ) are provided in a monitored area. The images of the infrared light spots transmitted by the infrared radiation arrays ( ) are converted into video signals by the infrared cameras ( ), and transferred to a video switcher ( ). The video switcher sends the video signals received from the infrared cameras to a computer ( ) one by one. The computer processes the signals. If fire is sensed, the computer controls the alarm unit ( ) to alarm by a linkage.