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:
May. 29, 2001
Filed:
Nov. 23, 1998
Satoshi Itabashi, Chigasaki, JP;
Tadao Endo, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A radiation detecting device having a wavelength converter for converting radiation into photoelectrically convertible light and a plurality of pixels arranged in the form of a matrix which pixel comprises a sensor element for converting the light into an electric signal and a thin film transistor (TFT) for transfer connected to the sensor element to successively transfer a signal from the pixel, the detecting device comprises a means for turning on the TFT to be turned on first among the TFTs for transfer after the delay of at least (n×&tgr;,), wherein &tgr;,is a time constant of a characteristic of the wavelength converter, and n is ln(SN) in which SN is a desired signal to noise ratio, after the irradiation is stopped, thereby transferring a signal stored in its corresponding pixel.