Portable type data entry terminal having a keyboard input device and a graphic input device
US5375226A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1993 |
| Grant date | Dec 20, 1994 |
| Priority date | — |
| Expiry date | Jul 20, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0042
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The specification of the invention details the invention of a portable type data input terminal which can input a plurality of data in different forms and operates by a battery based power supply. The portable type data input terminal according to the invention comprises: an input unit to input graphic data and binary data; a unit for receiving the graphic data and binary data from the input unit, for converting the graphic data into the form of a digital signal of the pixels of such graphic data, and for converting the binary data into a form of a corresponding code signal; a control unit for signal processing the outputs of the signal converting apparatus; and a memory device to store the respective data which were processed by the control unit so as to correspond to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.