Receiving unit for two-way broadcasting including automatic display of operating state of a transmitting system
US5592213A · kind A · utility
4Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1995 |
| Grant date | Jan 7, 1997 |
| Priority date | — |
| Expiry date | Feb 24, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/472
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A television broadcast receiver capable of transmitting user input data to a predetermined destination associated with the broadcast side and having a remote commander with a two-way button for switching the mode of a television receiver between a mode responsive and a mode nonresponsive to a two-way broadcast program. Buttons provided on the commander are assigned both the function as channel selection buttons of a receiving unit, or the function of data input means for inputting data representing a reply to a two-way broadcast program.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.