Information retrieval apparatus and information editing system using the same
US5321843A · kind A · utility
13Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1991 |
| Grant date | Jun 14, 1994 |
| Priority date | — |
| Expiry date | Sep 12, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S707/99933
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An apparatus for retrieving the desired information from files provided with a shift register (294) having a predetermined number of stages for receiving and transferring the data read out of files, a key register (292) having a predetermined number of stages for registering the retrieval key, a comparator (296) for comparing each data in the key register with each dater in the corresponding shift register, and a logical operation circuit (297) which generates and outputs a match signal relating to the coincidence or mismatch of the retrieval key in the key register with a data array in the corresponding shift register.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.