Keyboard
First Claim
1. A keyboard comprising a base on which are mounted a plurality of keys and on which there is a grid on the base which surrounds at least some of the keys, there being means to show on a display unit controlled by the keyboard a representation of the grid, and means to identify on the display unit at least some of the keys and their position relative to the grid, in which the display of the grid can be varied by the addition or omission of part of the displayed grid, and there is an array of keys substantially centrally positioned relative to the other keys and that the function of these keys can be changed by operation of other keys.
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Accused Products
Abstract
An improved keyboard comprises a base, and a plurality of keys, and a grid surrounding some of the keys which can be projected onto a screen, and in which some of the keys control the functions of others of the keys.
22 Citations
12 Claims
- 1. A keyboard comprising a base on which are mounted a plurality of keys and on which there is a grid on the base which surrounds at least some of the keys, there being means to show on a display unit controlled by the keyboard a representation of the grid, and means to identify on the display unit at least some of the keys and their position relative to the grid, in which the display of the grid can be varied by the addition or omission of part of the displayed grid, and there is an array of keys substantially centrally positioned relative to the other keys and that the function of these keys can be changed by operation of other keys.
- 8. An electronic keyboard for operating a computer comprising a base on which are mounted a plurality of keys and on which there is a grid on the base which surrounds at least some of the keys, said grid being permanent with said base, there being means to show said grid on a video display screen controlled by the keyboard, and means to identify on said display screen at least some of the keys and their position relative to the grid, and including an array of keys substantially centrally positioned relative to the other keys and means for changing the function of said centrally positioned keys by the operation of said other keys and in which keyboard there are five different key types and one of said types of keys comprise a group of keys which operate on the other key groups changing the function of the other keys.
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11. An electronic keyboard for controlling electronic equipment comprising:
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(a) a base;
(b) a plurality of at least three different types of keys mounted on said base;
(c) said plurality of keys including at least KeyPage and PageSelect keys;
(d) a raised or depressed grid on said base surrounding said KeyPage keys;
(e) means for displaying said grid on a video screen for viewing by the user;
(f) said PageSelect keys being positioned outside of said grid for controlling said KeyPage keys; and
(g) electronic equipment connected to and controlled by said electronic keyboard. - View Dependent Claims (12)
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Specification