File processing method using expanding display windows for selected records and text fields
US4481603A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 18, 1981 |
| Grant date | Nov 6, 1984 |
| Priority date | — |
| Expiry date | May 18, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F40/103
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An information processing system (10) has a terminal (12) which functions with a diskette storage (14). The terminal (12) includes a display screen (16) and keyboard (18) wherein an operator enters alphanumeric characters and predefined commands. A file of information is stored on the diskette storage (14). The file is made up of a plurality of records. Each of the records comprises a plurality of fields. The fields include character fields, arithmetic fields and text fields. The text fields include alphanumeric, punctuation and control characters, the character fields include alphanumeric and punctuation characters and exclude control characters and the arithmetic fields include numeric characters and exclude control characters. By inputting commands to the keyboard (18) the operator reads a record from storage (14) and displays it on the screen (16). The content of the fields in the record are displayed on the screen (16) except for the text fields. For each text field there is displayed an asterisk (60). The operator selects a text field by positioning a cursor (62) beneath the corresponding asterisk and then inputting a down cursor command. In response to the down cursor comman…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.