Computer controlled timer for main drive pulse of form feed moto

Details Computer controlled timer for main drive pulse of form feed moto Computer controlled timer for main drive pulse of form feed moto

1989-11-14

1991-03-12

Eickholt, Eugene H.

Typewriting machines

Sheet or web

For feeding web record-medium

226 30, 36457102, 364575, 364471, B41J 1126

Patent

active

049988352

ABSTRACT:
A device for feeding a continuous form in a printer, the device having a timer for controlling the width of a drive pulse for a main motor feeding the form. The timer is formed of a plurality of timers controlled by software. These plurality of timers being, for example, three timers measuring a constant time, and one timer measuring a variable time which is varied in accordance with a feeding speed of the form. The width of the drive pulse is determined by summing up a time obtained by multiplying the constant time by three and adding the variable time.

REFERENCES:
patent: 3857471 (1974-12-01), Hoffman et al.
patent: 4015701 (1977-04-01), Templeton
patent: 4147078 (1979-04-01), Bishop
patent: 4228396 (1980-10-01), Palombo et al.
patent: 4433426 (1984-02-01), Forster et al.
patent: 4514819 (1985-04-01), Punater et al.
patent: 4719575 (1988-01-01), Gnuechtel
patent: 4719855 (1988-01-01), Cannon et al.
patent: 4847633 (1989-07-01), Piatt et al.
patent: 4857959 (1989-08-01), Shimbo et al.
patent: 4933616 (1990-06-01), Chang et al.

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