Item selection signal input apparatus that reduces the processing load of a host computer
US5583539A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 2, 1991 |
| Grant date | Dec 10, 1996 |
| Priority date | — |
| Expiry date | Jan 2, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/021
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An item selection signal input apparatus enabling an operator to communicate with a data processor is disclosed. This apparatus includes a variable format display panel, a transparent keyboard panel provided on a display screen, a memory for storing data representing a plurality of screen formats to be displayed, a display controller for selecting the screen format to be displayed next from the displayed screen and the panel selected by the operator and providing the same to the variable format display, an output device for providing to the data processor a message defined according to the entry from the keyboard and the displayed screen format, a driver for driving IC cards having back-up power, and a transfer device for distributing and transferring the contents stored in the IC card to the data memory, the display controller, and the output device. Data required for operation is stored in the IC card in advance. It is not necessary to receive data required for operation from the data processor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.