B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
354/236.131
B41J 9/00 (2006.01) B41J 25/00 (2006.01) G06F 1/04 (2006.01) G06F 3/12 (2006.01)
Patent
CA 1063032
ABSTRACT OF THE DISCLOSURE In a serial printer comprising a carriage movable along a predetermined path, a print member rotatably mounted to the carriage and including a plurality of character elements, a first drive assembly coupled to the print member for rotating the print member to a desired rotational position, a second drive assembly coupled to the carriage for moving the carriage to a desired position along the path, and control apparatus coupled to the first drive assembly for controlling the direction and speed of rotation of the print member and coupled to the second drive assembly for controlling the direction and speed of movement of the carriage. The control apparatus comprises a first storage device for receiving and storing a first signal indicative of the desired rotational position of the print member, a second storage device for receiving and storing a second signal indicative of the desired linear position of the carriage, a logic circuit coupled to the first and second storage devices generating a third signal if the first signal was received before the second signal, and a control device coupled to the logic circuit and responsive to the third signal for controlling the first drive assembly to rotate the print member to the desired rotational position before controlling the second drive assembly to move the carriage to the desired linear position.
276242
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