Apparatus for receiving encoded messages on the screen of a television receiver and for redisplay thereof on the same receiver screen in a readable format
US4186413A · kind A · utility
240Cited by
5References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 14, 1977 |
| Grant date | Jan 29, 1980 |
| Priority date | — |
| Expiry date | Nov 14, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/08
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A television message system is disclosed wherein encoded data displayed on a small area of a television screen is received by a photosensitive pickup which responds to the encoded data, and including a message processor for storing viewer selected data and processing such data for redisplay on the television screen as readable alpha-numerics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.