Combined television receiver/tape recorder/calculator
US4396941A · kind A · utility
34Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1981 |
| Grant date | Aug 2, 1983 |
| Priority date | — |
| Expiry date | Jun 5, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0682
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A new and useful combination of a radio receiver, a television receiver, a tape recorder and an electronic calculator is described. A display (for example, a cathode ray tube) of the television receiver is connected to serve also as a display for the electronic calculator. Data may be introduced into the calculator via the tape recorder and recorded into the tape recorder. The television receiver serves a display and the tape recorder serves as an external storage, with respect to the calculator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.