Printing machine with programmed control of print cylinder motor

Details Printing machine with programmed control of print cylinder motor Printing machine with programmed control of print cylinder motor

1984-10-02

1985-09-03

Eickholt, E. H.

Printing

Rolling contact machines

Rotary

101226, 4006161, 364469, B41F 500

Patent

active

045385157

ABSTRACT:
A printing machine for applying marks at specified locations on a moving web. The machine has specific utility in check or document signing applications where a number of forms are successively signed by a signature stamp. In accordance with a preferred embodiment of the invention the machine has one motor for driving a web of paper to a print station and a second motor for activating a stamp by rotating the stamp into contact with the web. The motors are individually energizable under control of a programmable controller. By coordinating the times and duration of motor energization the spacing between successive marks can be varied over a wide range of values. The flexibility in print spacing allows the printing machine to be used in conjunction with the processing stations such as word processing and the like.

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"Closed-Loop Stepper Control with Auto Synchronization of Encoder Feedback", IBM Tech. Discl. Bulletin, vol. 24, No. 10, 3/82, pp. 5013-5014.
"Bidirectional Printer Carriage", IBM Tech. Discl. Bulletin, vol. 15, No. 1, 6/72, p. 157.

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