Image sensing apparatus

Details Image sensing apparatus Image sensing apparatus

1984-12-05

1986-08-26

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358213, 358909, H04N 530

Patent

active

046086056

ABSTRACT:
An image sensing apparatus comprises a flash discharge tube; a trigger circuit which ionizes a gas within the flash discharge tube; a switch circuit which causes the flash discharge tube to flash; an image sensing device which converts an optical image into an electrical signal; a clearing circuit which clears the electric signal produced by the image sensing device at least during and/or right after the operation of the trigger circuit; a control circuit which causes the switch circuit to operate after completion of the operation of the clear circuit; a signal processing circuit for processing the output of the image sensing device; and a charging circuit which stops charging thereof in relation to the processing of the signal processing circuit on the output of the image sensing device corresponding to an image of an object illuminated by the flash discharge tube. The image sensing apparatus prevents the energy of the flash discharge tube from affecting the output of the image sensing device.

REFERENCES:
patent: 3822393 (1974-07-01), Karpol
patent: 4366501 (1982-12-01), Tsunekawa et al.
patent: 4504866 (1985-03-01), Saito

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