Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1976-03-18
1977-04-19
Miller, Jr., George H.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
346 76L, 250227, G01D 942, G01D 1510, G02B 514
Patent
active
040191869
ABSTRACT:
A motion pick-up in a non-mechanical printer to produce electric timing signals at instances of time at which given points of a path of motion are crossed includes a light transmissive rod arranged along the path of motion which is parallel to the line of print on a data carrier. The light transmissive rod has marks thereon, or associated therewith at the level of the given points and a laser beam which is split into sub-beams by an acousto-optical beam deflector provides a predetermined sub-beam which is deflected by a polygonal reflector and scanned thereby along the rod. The sub-beam is influenced by the marks in such a manner so as to cause light scattering and reflection through the rod so as to strike a photo-element and produce output signals which constitute electric timing signals. The rod may be glass or a synthetic material. The marks may be constituted by scratches on the rod.
REFERENCES:
patent: 3389403 (1968-06-01), Cottingham et al.
patent: 3713721 (1973-01-01), Watson
patent: 3727062 (1973-04-01), Foster
patent: 3751587 (1973-08-01), Insler et al.
patent: 3820123 (1974-06-01), Ammann
Dressen Anton
Menzel Klaus
Miller Jr. George H.
Siemens Aktiengesellschaft
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