Device for the input of alphanumerical data for apparatus of small size
US4199751A · kind A · utility
14Cited by
11References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 30, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | May 30, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03M11/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for the input of alphanumerical data for apparatus of small size. The device comprises a keyboard formed of zones and members for the introduction of data, a monitoring display having luminous segments and electronic memorizing and decoding means, with the introduction zones enabling composition of the data, segment-by-segment, actuation of a zone making it possible to activate the segment of the display corresponding to this zone, the geometrical arrangement on the keyboard of the said zones being directly related to the arrangement of the segments of the display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.