Keypad dialog terminal
US5657052A · kind A · utility
8Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 18, 1995 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | Apr 18, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0238
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A keypad dialog terminal in particular for dialog with a programmable automatic controller, comprising a casing (1) carrying a dialog screen (12) and a set of contacts (32) associated with a keypad (22), characterised in that the casing (1) comprises a casing body (11) carrying the fixed contacts and a removable dialog module (2) comprising a frame (21) closed by a visible top membrane (22) which forms various projecting keys and carries the mobile contacts (26), this frame (21) having removable locking apparatus (24, 25) adapted to cooperate with conjugate locking apparatus (14, 15) on the lateral sides of the casing body (11).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.