Method for detecting brightness signals from a multiplicity...

Details Method for detecting brightness signals from a multiplicity... Method for detecting brightness signals from a multiplicity...

2005-02-01

2005-02-01

Christensen, Andrew (Department: 2615)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S222100, C348S229100, C348S230100, C348S300000, C341S139000, C341S155000

Reexamination Certificate

active

06850276

ABSTRACT:
A method is described for detecting brightness signals from a multiplicity of light-sensitive sensor elements, in particular CCD lines or arrays, in which the brightness signals are amplified in such a way that an A/D converter which digitizes the amplified brightness signals works in its permissible working range. For the brightness signal of a predetermined sensor element, the gain is reduced in steps, preferably in binary steps, from a maximum gain factor down to a working value at which the A/D converter works in the permissible working range. For each following sensor element, the working value of the respective preceding sensor element is used as the maximum gain factor. The number of changeover operations of the amplifier is considerably reduced and thus the detection time is shortened.

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