Line transfer reading device with feedback regulating the drive

Details Line transfer reading device with feedback regulating the drive Line transfer reading device with feedback regulating the drive

1986-04-07

1987-09-22

Rubinson, Gene Z.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821318, H04N 314

Patent

active

046958908

ABSTRACT:
The present invention provides a device for reading a matrix of photosensitive detectors by line transfer with feedback, wherein means provide feedback of a part of the video signal from a line of the matrix which is read to a stage for series injection of a drive charge at the input of a register providing reading successively of each line of detectors of the matrix. Thus the value of the drive charge is modulated which is intended to be added to the video signal of the line of the matrix which will then be read, such modulation being directly proportional to the video signal of the line which is read and dependent on the transfer inefficiency of the device.

REFERENCES:
patent: 4262217 (1981-04-01), Levine
patent: 4443818 (1984-04-01), Ohba et al.
patent: 4528596 (1985-07-01), Cope
patent: 4584609 (1986-04-01), Klein et al.
patent: 4617595 (1986-10-01), Berger
patent: 4621291 (1986-11-01), Takemoto et al.

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