Multiple application electronic card-like apparatus
US4797542A · kind A · utility
362Cited by
7References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 27, 1987 |
| Grant date | Jan 10, 1989 |
| Priority date | — |
| Expiry date | Jan 27, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S283/904
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A card-like electronic apparatus includes a plurality of external contacts and input terminals. The apparatus further includes a memory for storing application data, a designating unit for designating the application as stored in the memory, and a display unit for displaying the designated application data. When a power control key provided on the side of a card apparatus is in an on state, the application can be changed to another application by the designating unit. The applications as designated are successively displayed by the display unit. Through this display, the application to be used at any given time can be specified.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.