Phototypesetter font disk

Details Phototypesetter font disk Phototypesetter font disk

1981-05-15

1983-08-23

Adams, Russell E.

354 15, B41B 1732, B41B 1742

Patent

active

044000693

ABSTRACT:
A phototypesetter font disk has a plurality of circumferentially spaced, optically readable indicia and a strobe track radially spaced from the indicia which contains a plurality of circumferentially spaced timing marks. Each indicia has an associated timing mark that is both radially and circumferentially spaced from its respective indicia. The strobe track has an identifiable reference location from which each indicia timing mark is angularly spaced. Additional marks are interposed between the indicia timing marks on the strobe track to define digital data relating to the font disk. Typically, such data includes font identification information.

REFERENCES:
patent: 3543657 (1970-12-01), Rosenblum
patent: 3610121 (1971-10-01), Hanson et al.
patent: 3710707 (1973-01-01), Hanson et al.
patent: 3733977 (1973-05-01), Morgan
patent: 3921182 (1975-11-01), Hanson et al.
patent: 4027313 (1977-05-01), Klepper et al.
patent: 4168889 (1979-09-01), Norris

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