Typewriting machines – Means auxiliary to typewriting function – Indicator means
Patent
1997-10-07
1999-08-24
Bennett, Christopher A.
Typewriting machines
Means auxiliary to typewriting function
Indicator means
400103, 33616, B41J 2942
Patent
active
059416491
ABSTRACT:
A method for fabricating an encoder containing the intended integer number of registration markings (and spaces) per unit distance, over the correct length of that entire encoder. The method is practiced by producing a template having the desired number of registration indices at reasonably exact tolerances--but at widths and spacing less than or greater than intended for the registration markings, and therefore having an overall length less than or greater than that of the encoder--and using the template to project an image onto a substrate at a suitable scaling factor to form the encoder having the correct widths and spacing of the registration markings on that substrate. The template may be a wholly computer-generated and memory-resident virtual image, or may be imprinted upon a tangible intermediate medium and transferred to the substrate using a projection technique. The scaling process may be accomplished using mechanical, optical, or photochemical techniques, as well as combinations thereof.
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patent: 5521722 (1996-05-01), Colvill et al.
patent: 5563591 (1996-10-01), Jacobs et al.
patent: 5777638 (1998-07-01), Salter et al.
patent: 5803628 (1998-09-01), Donahue
patent: 5805183 (1998-09-01), Lidke et al.
Hansel Bryan L.
Hansel Donald C.
Hansel Gregory A.
Johnson Jeffrey J.
Bennett Christopher A.
Encoder Science Technologies LLC
Klos, Esq. John F.
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