The invention relates to an adaptable keyboard for a computer machine. So as to adapt a standard keyboard (10) of a computer machine, it is covered over with a cover (43). The front plate (44) of the cover is provided with orifices (46) opposite the useful keys (20i) of the standard keyboard. Key extenders (54) are introduced into the orifices (46).

Adaptable keyboard for computer machine

In order to adapt a general-purpose calculator to specific tasks, the keyboard of that calculator is covered by a mask including a resilient membrane overlain by a rigid panel having cutouts registering with keys whose function is to be preserved. The cutouts receive extension keys glued or otherwise fastened to the membrane, depression of any extension key operating the underlying original key. The functions of the operative keys can be modified, in accordance with the contemplated use, by insertion of a stored-program cassette associated with the particular mask employed.

Keyboard mask for general-purpose calculator

Un terminal de saisie de donnees (10) ayant un affichage (18) et un clavier (14) a dix touches numeriques et a trois touches de fonction (16) est capable de saisir des caracteres alphabetiques ou autres et d'editer des donnees affichees. A data input terminal (10) having a display (18) and a keyboard (14) to ten numeric keys and three function keys (16) is able to enter alphabetic or other characters and edit data displayed . Une pluralite de groupes (41-1 a 46-6) de dix caracteres est affichee, chaque groupe etant agence dans un ordre correspondant aux dix touches sur le clavier (14). A plurality of groups (41-1 to 46-6) ten characters is displayed, each group being arranged in an order corresponding to the ten keys on the keyboard (14). Chaque groupe selectionne (46-1 a 46-6) peut etre mis en evidence, par exemple par affichage video inverse; Each selected group (46-1 to 46-6) can be highlighted, for example by reverse video display; le groupe mis en evidence indique les caracteres qui seront saisis par le terminal (10) lors de l'actionnement des touches correspondantes du clavier (14). the group highlighted indicates characters that are detected by the terminal (10) upon actuation of corresponding keys (14). Les groupes (46-1 a 46-6) sont successivement selectionnes de gauche a droite ou de droite a gauche par l'operation d'une des deux touches de fonction correspondantes (16-R, 16-L). Groups (46-1 to 46-6) are successively selected from left to right or from right to left through the operation of one of the corresponding function keys (16-R, 16-L). Certains caracteres peuvent realiser des fonctions d'edition et de deplacement d'un curseur (84), ce qui permet de modifier les messages affiches. Some characters can perform editing and moving a cursor functions (84), which can change the screen display.

Adaptable keyboard for computer machine

References

Keyboard mask for general-purpose calculator

Data entry terminal and process

Aufsetzbares tastenbrett fuer terminals, perforatoren, schreibmaschinen u.dgl

Related Papers (5)

Keyboard special for computer teaching

Reformable keyboard with variable key design

Multifunctional computer keyboard

Computer keyboard key socket and keyboard with same

Keyboard, keyboard system and computer