Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1983-06-06
1985-09-24
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358297, 318135, 310 13, H04N 104
Patent
active
045436150
ABSTRACT:
In scanning devices used for opto-mechanical processing of a substrate covered with a photo-sensitive material, it is highly desirable to be able to achieve accurate control of the carriage utilized for scanning the substrate. To accomplish this, the carriage is moved along a rectilinear guide by use of a linear motor, preferably under computer control. The linear motor includes a winding which is composed of a number of isolated conductors attached to the rectilinear guide orthogonally to the longitudinal axis of the guide. The winding is connected to the control computer through a controllable current source. The linear motor also includes a solid-state commutator coupled to magnetically propel the carriage in accordance with current supplied to the winding from the controllable current source based on instructions from the control computer.
REFERENCES:
patent: 3816659 (1974-06-01), Landsman
patent: 4131916 (1978-12-01), Landsman
patent: 4415911 (1983-11-01), Tazaki
patent: 4445798 (1984-05-01), Munehiro
patent: 4476496 (1984-10-01), Thaler
Bergmans Jean-Paul
Bergmans Patrick
de Stecker Hans
Muyle Eddy
Notredame Paul
Britton Howard W.
Coles Edward L.
Digitized Information Systems Corp., n.v.
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