Digital radiographic imaging apparatus

Details Digital radiographic imaging apparatus Digital radiographic imaging apparatus

2008-02-04

2009-11-17

Sohn, Seung C (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C348S241000, C348S250000

Reexamination Certificate

active

07619197

ABSTRACT:
A light sensing array has a plurality of electrically isolated photosensors, each photosensor having a first terminal and a second terminal, each of the terminals of each photosensor being isolated from the terminals of the other photosensors, wherein each photosensor responds to an incident light level by producing a charge difference between the first and second terminal. There is a differential circuit selectively coupled to the first and second terminals of one of the photo sensors for producing an output signal related to the charge difference between the first and second terminals.

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Commonly assigned U.S. Appl. No. 11/487,539, filed Jul. 14, 2006, titled: Apparatus for Asymmetric Dual-Screen Digital Radiography, by John Yorkston et al.
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Commonly assigned U.S. Appl. No. 11/553,018, filed Oct. 26, 2006, titled: Metal Substrate Having Electronic Devices Formed Thereon, by Roger Stanley Kerr et al.
Commonly assigned U.S. Appl. No. 11/531,707, filed Sep. 14, 2006, titled: High Fill-Factor Sensor With Reduced Coupling, by Gregory N. Heiler et al.

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