Two-way data communication method and two-way data communication apparatus using the same
US5887062A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1996 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Nov 19, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/17354
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a two-way data communication apparatus in television broadcast or data broadcast signal transmitted through telephone circuit, and a two-way data communication apparatus according to this method, and more particularly, in a system having a response server and an individual information server connected to a telephone circuit, the apparatus comprises data broadcast decoder means for decoding television broadcast or data broadcast signal transmitted through telephone circuit, display means for displaying the information of television broadcast or data broadcast, and a modem connected to the telephone circuit, and moreover by installing user information control means for controlling the individual information server, the individual information can be controlled exclusively, and by registering, updating, collating and confirming it securely, efficient keeping of user information and confidence are achieved, and problems in two-way communication are prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.