Apparatus for producing preliminary character printout of text a

Details Apparatus for producing preliminary character printout of text a Apparatus for producing preliminary character printout of text a

1978-06-08

1980-09-02

Wright, Jr., Ernest T.

Typewriting machines

Including selection of type-face by...

400 63, 400 76, 400 74, 400171, 364900, 400279, B41J 530

Patent

active

042204178

ABSTRACT:
A method and apparatus associated with word processing equipment for producing a preliminary printout of accessible lines of intermixed text characters and code characters representative of the format of such text. The apparatus includes logic controlled gates for selectively gating text codes, instruction codes, and reference line number codes to a print control coupled to, and controlling the printing by, a printer. Specific networks enable the printing of "font change" instructions and identifications and characteristic identifier symbols indicative of the presence of an instruction code. Audit print codes representing material ones of the instruction codes are substituted for the usual printer functional response to those instruction codes, that is, a code representation of the instruction code is printed instead of the printer executing the instruction.

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IBM Technical Disclosure Bulletin, "Composing Systems which Incorporate Font Changing and Impression Setting from Tape or Card Input", Hunt et al., vol. 13, No. 5, Oct. 1970, pp. 1149-1150.
IBM Technical Disclosure Bulletin, "Automatic Print Wheel Loader", Bleau, vol. 18, No. 10, pp. 3350-3351, Mar. 1976.
IBM Technical Disclosure Bulletin, "Electronic Typewriter Type-Font Coding", Cooper, vol. 19, No. 11, Apr. 1977, p. 4242.
Xerox 800 Electronic Typing System Operator Manual, Oct. 7, 1974, pp. 7, 8, 11, 87, 88, 89, 90.

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