Advancing material of indeterminate length – Control means responsive to indicia carried by auxiliary...
Patent
1978-07-10
1980-10-21
Gilreath, Stanley N.
Advancing material of indeterminate length
Control means responsive to indicia carried by auxiliary...
4005831, B65H 2510
Patent
active
042289386
ABSTRACT:
In a paper feed control system employing a pulse motor steppingly rotatable in response to driving pulses, paper feeding is controlled by a prepunched format tape wherein line pulses generated every one line feeding of the paper are in synchronism with perforations detected from the format tape. Briefly, the format tape is moved by the pulse motor, and when a first perforation is detected therefrom a predetermined number of the driving pulses is applied to the pulse motor, whereby the format tape is moved to an approximate midpoint of the perforation. A first line pulse is generated in response to the predetermined number of the driving pulses so that the line pulse is generated in approximate midpoint of the first perforation. Accordingly, the succeeding line pulses are generated in the approximate midpoints of the succeeding perforations.
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Katagiri Shigenobu
Kozawa Hiroomi
Monma Hisayoshi
Gilreath Stanley N.
Hitachi Koki Company Limited
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