Word processor apparatus having means for recording a tab function as a signal indicative of the number of spaces tabbed
US4131949A · kind A · utility
6Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1975 |
| Grant date | Dec 26, 1978 |
| Priority date | — |
| Expiry date | Sep 10, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/183
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A word processor system comprising a typewriter, a data storage unit, a tab stop register for storing signals representative of tab stops set on the typewriter and means for controlling the tab stop register to keep it aligned with the typewriter carrier during the course of typing including backspacing, carrier return and tabbing actions. Additional means responsive to tab command and tab stop signals is provided for recording a tab action in the data storage unit as a succession of encoded space signals equal to the number of typing positions to the next tab stop from the carrier position at the instant of the tab command.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.