System utilizing portable device
US5283820A · kind A · utility
2Cited by
8References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1992 |
| Grant date | Feb 1, 1994 |
| Priority date | — |
| Expiry date | Oct 30, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/0049
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system generates a call according to the states of a photoreception unit of a call generator in response to data from a portable device. Data received by the photoreception unit from different types of portable devices can be processed and the portable device operation and the data transmission may be controlled according to the destination for the data and the mode of communication required by destination communication apparatus. Facsimile or telephone call data may be transmitted by the portable device in accordance with the type of destination communication apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.