Mailing machine including printing speed calibrating means

Details Mailing machine including printing speed calibrating means Mailing machine including printing speed calibrating means

1992-02-25

1994-08-16

Wiecking, David A.

Printing

Selective or progressive

Rotary machines

B41L 4746

Patent

active

053376609

ABSTRACT:
A mailing machine comprising, a base and a postage meter mounted on the base, the postage meter including a rotary postage indicia printing drum, the base including structure for driving the drum at a desired constant indicia printing speed corresponding to a desired reference voltage, the base including structure for controlling the postage printing drum, the controlling structure including a microprocessor connected to the drum driving structure, the controlling structure including structure for sequentially sensing a commencement and a completion of constant printing speed of the drum and providing corresponding successive signals to the microprocessor, the microprocessor programmed for providing a predetermined reference voltage corresponding to the desired drum printing speed, counting a time interval in response to receiving the successive constant speed commencement and completion signals, determining whether the counted time interval and the desired time interval are substantially equal, and storing the predetermined reference voltage as the desired reference voltage if the counted and desired time intervals are substantially equal.

REFERENCES:
patent: 4646635 (1987-03-01), Salazar et al.

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