Typewriting machines – Carriage or carriage-moving or movement-regulating mechanism – Margin-regulator mechanism
Patent
1979-12-12
1982-09-21
Wright, Jr., Ernest T.
Typewriting machines
Carriage or carriage-moving or movement-regulating mechanism
Margin-regulator mechanism
400320, 400322, 400351, 4007051, B41J 2102
Patent
active
043504566
ABSTRACT:
A printer provided with a margin setting mechanism is disclosed which has a printing head for writing information on a recording medium, a pulse motor for scan-driving the head, a detector for detecting the position of the head to put out a detection signal, and a control for receiving a phase signal applied to the pulse motor and the detection signal and putting out a signal to reverse the moving direction of the head when receiving both of said phase signal and detection signal.
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patent: 3651914 (1972-03-01), Locke
patent: 3810189 (1974-05-01), Casperson et al.
patent: 3882988 (1975-05-01), Sloan et al.
patent: 3981383 (1976-09-01), Bittner et al.
patent: 3988744 (1976-10-01), Noda
patent: 4024447 (1977-05-01), Epstein
patent: 4030588 (1977-06-01), Hanagata et al.
patent: 4044882 (1977-08-01), Weinke et al.
patent: 4203678 (1980-05-01), Nordstrom et al.
Canon Kabushiki Kaisha
Wright, Jr. Ernest T.
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