<p>A wireless, independent digital imaging sensor utilizes an external charge balance capacitor to establish a sense voltage at a common node between the charge capacitor and the pixel intrinsic capacitors in the sensor panel. A variable width pulse train responds to the sense voltage to control injection of charge to the external capacitor to maintain a constant voltage at the common equal to a reference voltage. An increase in pulse width above a threshold level representative of the onset of X-ray exposure is detected to generate an output control signal used to control subsequent image acquisition functions of the imaging sensor.</p>
申请公布号
EP1966996(B1)
申请公布日期
2013.07.17
申请号
EP20060845228
申请日期
2006.12.12
申请人
CARESTREAM HEALTH, INC.
发明人
DHURJATY, SREERAM;GEISBUESCH, GORDON;YORKSTON, JOHN;SILBERMANN, JOSHUA MARC;HAWVER, JEFFERY, R.