Proportional spacing impact printing apparatus

Details Proportional spacing impact printing apparatus Proportional spacing impact printing apparatus

1979-02-16

1981-03-24

Pieprz, William

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

For varying carriage feed

400111, 364523, B41J 1932

Patent

active

042577110

ABSTRACT:
A printing element (90) which is rotatable to different positions to print characters having different widths is carried by a carriage (98). The width of each character is divided into a leading width portion and a trailing width portion which are oriented leftwardly and rightwardly respectively of a centerline of the character. For printing a present or next character, the trailing width portion of a previous character is added to the leading width portion of the present character and the carriage (98) is shifted by a shift width which is equal thereto. The character is printed following the shift operation. For printing a character at the beginning of a line or following a blank space, the carriage (98) is shifted only by the leading width portion of the present character prior to printing.

REFERENCES:
patent: 2806575 (1957-09-01), Higonnet
patent: 3354816 (1967-11-01), Giannuzzi
patent: 3513968 (1970-05-01), Hanson
patent: 3712443 (1973-01-01), Mathews
patent: 3998310 (1976-12-01), Chandhry
Hurley et al., "Positioning of . . . Characters", IBM Technical Disclosure Bulletin, vol. 22, No. 6, pp. 2183-2184, 11/79.
Tanner, "Printer . . . Space Control", IBM Technical Disclosure Bulletin, vol. 12, No. 12, pp. 2260-2261, 5/70.

Affiliated with

Also associated with

Rating

Proportional spacing impact printing apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Proportional spacing impact printing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Proportional spacing impact printing apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2406488