Patent · US Expired

Word processor for automatically defining the position, size, and form of a symbol and formula

US5122953A · kind A · utility

9Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 1989
Grant dateJun 16, 1992
Priority date
Expiry dateAug 30, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F40/111
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A word processor capable of creating a formula during a document editing process by automatically setting a range of a formula in a document being edited with an instrument of a formula process start command and allowing a switching operation between the document editing process and the formula creating process to be easily made. This allows the formula to be edited on a block basis, thereby facilitating the editing operation such as modification, addition, or deletion of the formula in accordance with any editing of character trains or symbols inside and outside the formula in a well-balanced manner. The word processor is also capable of automatically defining the position, size, and form of a symbol in accordance with the length and form of an object to which the symbol is to be added, so that the position, size, and form of the symbol can be automatically accommodated in accordance with any change in the object to which the symbol is to be added without bothering an operator. The word processor is further capable of not only adding a symbol to an already input text, but also inputting paired symbols which are mutually spaced apart such as a pair of parentheses with a single inpu…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.