G - Physics
06
K
101/94
G06K 15/00 (2006.01) B41J 9/48 (2006.01) B41J 25/308 (2006.01)
Patent
CA 1083413
ABSTRACT: A printing device in which a roll on which the characters to be printed are provided is displaceable along at least one printing hammer which supports a coil which, when excited, generates a field which, by oooperation with a stationary field, puts the hammer into motion and drives it against the character to be printed, the hammer being arranged to be movable in the device so that the distance between the hammer and the roll is adjustable, a control device being provided which measures the hammer flying time and compares this time with a nominal flying time and which, in the case of a difference, displaces the hammer relative to the roll and also changes the driving force of the hammer. -9-
275065
Quirijnen Marius
Van Kempen Dick
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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