Control signal spreader

Details Control signal spreader Control signal spreader

1990-05-31

1992-01-21

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358167, H04N 712

Patent

active

050832034

ABSTRACT:
Apparatus for spreading a control signal comprised of widening circuits for extending the control signal horizontally and vertically, a line signal spreading circuit for generating a ramp of increasing values during a given interval at the beginning of each extended control signal, maintaining the maximum value of the ramp for the remainder of the extended control signals and generating a ramp of decreasing values at the end of each extended control signal and also including a circuit for combining the signal values at corresponding points along a plurality of lines as the lines are scanned.

REFERENCES:
patent: 4539594 (1985-09-01), Illetschko
patent: 4733297 (1988-03-01), Katsumata et al.
patent: 4868650 (1989-09-01), Weckenbrock

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