Electronic typewriter equipped with text memory which saves form

Details Electronic typewriter equipped with text memory which saves form Electronic typewriter equipped with text memory which saves form

1984-11-09

1986-08-26

Burr, Edgar S.

Typewriting machines

Including control of format and selection of type-face by...

Including editing or revision system

400279, 364900, B41J 530

Patent

active

046079661

ABSTRACT:
An electronic typewriter equipped with a text memory for storing data including character data representing characters to be printed, and format data for arranging the characters to be printed, comprising a line deleting device for deleting data for a line stored in the text memory, a detector for detecting the format data associated with the line to be deleted, and a device for saving the detected format data so that the format data are not deleted from the text memory during a line deleting operation.

REFERENCES:
patent: 3823389 (1974-07-01), Heitman et al.
patent: 4016365 (1977-04-01), Staar
patent: 4028681 (1977-06-01), Vittorelli
patent: 4480931 (1984-11-01), Kamikura et al.
"Text Storage Buffer Management", IBM TDB; Chen et al., vol. 26, No. 3B, pp. 1416-1418; Aug. 1983.

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