Electronic typewriter selectively responsive to set tabs and set

Details Electronic typewriter selectively responsive to set tabs and set Electronic typewriter selectively responsive to set tabs and set

1985-02-19

1987-05-19

Wright, Jr., Ernest T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

For stopping carriage in tabular position

4002851, 4002854, B41J 2114

Patent

active

046663215

ABSTRACT:
An electronic typewriter includes: a carriage mounting a printing unit; a control unit for controlling the movement of the carriage; a first setting unit for setting a print start position at a preset position, a second setting unit for setting a decimal point tab position so as to align decimal point positions while printing; and a decision unit for deciding whether the control unit is to control the carriage on the basis of the decimal point position set by the second setting unit. The carriage is stopped at the decimal tab position if it is necessary, while the carriage is not stopped at the decimal tab position if it is not necessary. Thus, the operator can perform the tab operations without paying attention to the decimal tab position. Alternatively, instead of the decimal tab position, such control may apply to the tab position.

REFERENCES:
patent: 2478630 (1949-08-01), Hill
patent: 4212553 (1980-07-01), Acosta et al.
patent: 4500216 (1985-02-01), Demonte et al.
IBM Technical Disclosure Bulletin, "Text Formatting", Kolpek, vol. 16, No. 2, Jul. 1973, pp. 391-394.
IBM Technical Disclosure Bulletin, "Method for Executing a Decimal Tab Operation on a Proportional Spacing Printer Using Text Recorded on a Fixed Escapement Printer", Garcia et al, vol. 22, No. 5, Oct. 1979, p. 1753.
IBM Technical Disclosure Bulletin, "Format Control Functions", Adam et al, vol. 25, No. 1, Jun. 1982, pp. 217-220.

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