Transceiver system for visible images
US4121260A · kind A · utility
2Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1977 |
| Grant date | Oct 17, 1978 |
| Priority date | — |
| Expiry date | Apr 4, 1997 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/23
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transceiver system is provided which selectively applies electrical potentials representative of graphical information to a stylus scanning a layer of electrochromic material thereby causing selective coloration of the materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.