Bar graph type touch switch and display device

Details Bar graph type touch switch and display device Bar graph type touch switch and display device

1976-12-14

1978-10-17

Trafton, David L.

Communications: electrical

Systems

With specific power supply

200 5A, 307116, 340365C, 361181, 219453, G08B 536

Patent

active

041212045

ABSTRACT:
A user input/output device comprises a lighted, segmented bar graph type display and an array of light transmitting touch sensitive areas superimposed over the bar graph display. A suitable circuit means is responsive to the touch sensitive areas and connected for driving the segments of the bar graph such that when any one of the touch sensitive areas is touched, a corresponding display segment and all display segments to one side are energized and the remaining display elements are de-energized.

REFERENCES:
patent: 1106907 (1914-08-01), Wilkinson
patent: 3064091 (1962-11-01), Turner
patent: 3217307 (1965-11-01), Fogelquist
patent: 3701869 (1972-10-01), Jacob et al.
patent: 3835465 (1974-09-01), Tannas et al.
patent: 3851328 (1974-11-01), Sottile et al.
patent: 3886539 (1975-05-01), Gould
patent: 3895288 (1975-07-01), Lampen et al.
patent: 3967158 (1976-06-01), Saxon
patent: 3968467 (1976-07-01), Lampen et al.

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