Dark current sensing device and recording operation control devi

Details Dark current sensing device and recording operation control devi Dark current sensing device and recording operation control devi

1997-02-19

1999-05-25

Metjahic, Safet

Photography

Camera combined with or convertible to diverse art device

349116, G03B 1900

Patent

active

059077310

ABSTRACT:
A dark current sensing device provided in an electro-developing type camera with an electro-developing recording medium, to sense a resistance of an electrostatic information recording medium provided in an electro-developing recording medium. A dark current sensing resistor is connected to the electrostatic information recording medium in series, and a capacitor is connected to the dark current sensing resistor in parallel. A voltage sensing unit is connected to the dark current sensing resistor and the capacitor in parallel to sense a voltage generated in the dark current sensing resistor. The product of the resistant value of the resistor and the capacity of the capacitor is approximately equal to the product of the resistant value and the capacity of the electrostatic information recording medium.

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