Electronic typewriter

Details Electronic typewriter Electronic typewriter

1981-10-13

1985-02-19

Sewell, Paul T.

Typewriting machines

Including justification or quadding of print-line

By using 'no-print' device

400 12, 400 63, 400 64, 400279, 400697, 400210, B41J 1964, B41J 530

Patent

active

045002169

ABSTRACT:
An electronic typewriter comprises a character-bearing disk movable along the platen and a selector to space selected characters according to a plurality of constant spaces or proportional spaces. The electronic unit provides a line buffer on which the entered characters of a line are sequentially stored and a series of editing functions to have the entered characters directly printed in editing form and a permanent, alterable memory wherein are recorded positioning information for the disk and constant phrases to be printed can be recorded and recalled upon request of the operator. Justification of a line is commanded by a selector which allows the printing of entered characters up to a set zone of the printing line while stores, without printing, the remaining characters on the line buffer. Following actuation of a service key causes the delayed printing of stored part of the line aligned to the fixed right margin. An evidence selector is further operable at any point of the printing line to cause an evidence of printed character as bold-facing or underlining and a cancel key is provided to automatically cancel the already printed characters.

REFERENCES:
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patent: 3674125 (1972-07-01), Kolpek
patent: 3757921 (1973-09-01), Bishop
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patent: 4084680 (1978-04-01), Deetz
patent: 4240758 (1980-12-01), Acosta
patent: 4245918 (1981-01-01), Bowles et al.
IBM Tech. Disc. Bulletin, by C. G. Brown, "Bold Image Typing", vol. 20, No. 9, Feb. 1978, pp. 3555-3556, 400-210.

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