Solid state radiation detector
AssigneeFuji Photo Film Co., Ltd.
InventorMasaharu Ogawa
Life of this patent
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Abstract
In a solid state radiation detector provided with a sub stripe electrode, an S/N ratio is improved. In an electrostatic recording medium, a first current detection circuit is connected to each line electrode of a stripe electrode and a second current detection circuit is connected to each line electrode of a sub stripe electrode. Upon retrieving an electrostatic latent image, electric currents flowing on the respective line electrodes are detected. In addition, signal synthesizing means synthesizes a signal detected by the first current detection circuit and a signal inverted from a signal detected by the second current detection circuit.
Claims1
A solid state radiation detector provided with an electrostatic recording medium formed by serially stacking a first electrode having transmissivity with respect to recording light, a recording photoconductive layer which takes on conductivity by receiving irradiation of the recording light, an electric accumulator for accumulating electric charges in an amount corresponding to luminous energy of the recording light as electric charges for a latent image, a retrieving photoconductive layer which takes on conductivity by receiving irradiation of retrieving light, and a second electrode provided with multiple photoelectric charge pair generating line electrodes having transmissivity with respect to the retrieving light and multiple photoelectric charge pair non-generating line electrodes in a manner that the photoelectric charge pair generating line electrodes and the photoelectric charge pair non-generating line electrodes are disposed alternately, the solid state radiation detector comprising:
- means for detecting electric currents on the photoelectric charge pair generating line electrodes to be connected to the photoelectric charge pair generating line electrodes;
- means for detecting electric currents on the photoelectric charge pair non-generating line electrodes to be connected to the photoelectric charge pair non-generating line electrodes;
- and
- signal synthesizing means for synthesizing a signal detected by the means for detecting electric currents on the photoelectric charge pair generating line electrodes and a signal detected by the means for detecting electric currents on the photoelectric charge pair non-generating line electrodes while inverting any one of the foregoing signals.
Dependencies are inferred from the claim text.