Nonuniform clock generator for document reproduction apparatus

Facsimile and static presentation processing – Facsimile – Recording apparatus

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358285, H04L 700

Patent

active

040003680

ABSTRACT:
An electronic nonuniform clock generating apparatus including a modulo N counter for counting uniform clock pulses in a controlled manner to develop a series of clock pulses which are nonlinearly related to the rotation of a scanning device to form a nonuniform clock signal comprised of a series of different clock states each including one or more uniform clock pulses, a clock signal counter for counting the nonuniform clock signal pulses, a clock signal decoder which is preprogrammed to develop an increment signal each time the count developed by the clock signal counter reaches a number commensurate with the number of pulses in a particular state, a state counter for counting the number of increment signals developed by the clock signal decoder to develop a clock signal decoder, and a state decoder responsive to the clock state signal output of the state counter and operative to control the operation of the modulo N counter.

REFERENCES:
patent: 3506786 (1970-04-01), Sloffte
patent: 3800080 (1974-03-01), Fuwa
patent: 3887765 (1975-06-01), Murahse et al.
patent: 3922485 (1975-11-01), Starkweather et al.

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