Support device for resolving questions about reproduced information
US5033969A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 13, 1990 |
| Grant date | Jul 23, 1991 |
| Priority date | — |
| Expiry date | Mar 13, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B7/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A support device for resolving questions provided with a question input unit for selective input of questions on information reproduced from an information reproducing unit. A question input unit is connected with a question extracting unit. If a question is input, the question extracting unit presents a plurality of prospective questions in the form of video information on a display unit and extracts a real question which coincides with questioner's question. The question extracting unit is connected with an answer unit, which automatically retrieves answer information on the extracted real question, and presents the answer information by video or audio information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.