Indicating method and apparatus for digitizer menu portions

Details Indicating method and apparatus for digitizer menu portions Indicating method and apparatus for digitizer menu portions

1982-07-02

1985-04-02

Brigance, Gerald L.

Communications: electrical

Visual indication

Movable

34081502, 34081512, 340365VL, 364188, G09G 300

Patent

active

045090467

ABSTRACT:
The proposed method comprises a step of indicating the menu portions which must be operated in any processing step in computer processing, wherein the indication is desirably performed by means of light sources of different colors some of which are selected alternatively and sequentially so as to be switched on in each different step. The proposed apparatus is constructed such that it might be suited for and utilized in the proposed method in that it comprises plural cells each provided on the back sides of said menu portions thereby plural light sources of different colors being disposed in each cell. Each of said lighting sources may alternatively be disposed on the front of the digitizer and near each menu portion.

REFERENCES:
patent: 3129421 (1964-04-01), Freedman
patent: 3268889 (1966-08-01), Ast
patent: 4202038 (1980-05-01), Petersson
patent: 4310839 (1982-01-01), Schwerdt
patent: 4333097 (1982-06-01), Buric et al.
patent: 4374381 (1983-02-01), Ng et al.

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