Patent · US Expired

Document input method and apparatus

US5068804A · kind A · utility

12Cited by
13References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 7, 1990
Grant dateNov 26, 1991
Priority date
Expiry dateMay 7, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T11/206
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An input method and an input apparatus wherein a sketch read by an image scanner is displayed on the display, the class of component figure is designated thereon, characteristic values are input, and positions of characteristic points are designated such that a figure of fair copy is automatically prepared. Further, the sketch and the figure of fair copy are displayed being superposed upon each other while modifying the brightness or color so that the results of input can be easily recognized, making it possible to reduce the work for inputting the figure and to easily determine the size and position of the figure on the document which is a constituent component. In preparing the figure of fair copy by recognizing through a pattern recognition device the sketch that is input by the image scanner, furthermore, those portions that were not properly recognized are input again by the above method and apparatus.

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