Tab adjust function for an electronic typewriter to permit the s

Details Tab adjust function for an electronic typewriter to permit the s Tab adjust function for an electronic typewriter to permit the s

1988-03-14

1990-09-18

Wiecking, David A.

Typewriting machines

Control of print position along print-line by signal...

400 76, 400284, B41J 2117

Patent

active

049573802

ABSTRACT:
A typewriter may store a document in a first format with margins and tab stop locations defined for a first format and then the operator may change the margin or tabs to a second format. The operator may also select whether the tab stop locations may be played out with the same relative positioning to the left margin or be played out using the newly set tabs and margin setting. The newly set tab stop locations are defined as a fixed position relative to the print line and are independent of the left margin position or the position of the original tab stop location relative to the left margin.
The memory of the typewriter may be optionally updated when the document is played out using the second format tab stop locations, if the operator conditions the storage to accept changes during playout. Alternatively, the document may be played out using the second format tab stop locations, and the original format tab stop locations are maintained for future use.

REFERENCES:
patent: 3330398 (1967-07-01), Hylan
patent: 3493090 (1970-02-01), Liles
patent: 4031996 (1977-06-01), Busch
patent: 4086660 (1978-04-01), McBride
patent: 4131949 (1978-12-01), Fletcher et al.
patent: 4169685 (1979-10-01), Gruber
patent: 4212553 (1980-07-01), Acosta et al.
patent: 4350455 (1982-09-01), Moore et al.
IBM Technical Disclosure Bulletin, "Format Control Functions", Adam et al., vol. 25, No. 1, Jun. 1982, pp. 217-220.
IBM Technical Disclosure Bulletin, "Fixed and Floating Tab Stops Stored in One Tab Rack", Daniels et al., vol. 26, No. 78, Dec. 1983, p. 3920.

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