Tactile indicating device

Details Tactile indicating device Tactile indicating device

1975-06-24

1976-10-19

Pitts, Harold I.

Communications: electrical

Tactual indication

With input means

35 35A, G09B 2100

Patent

active

039874389

ABSTRACT:
An apparatus for representing a tactile character, wherein for each touch button there are provided two magnets arranged at least substantially axially behind each other, of which at least one is an electromagnet, and which magnets by electrical excitation produce a force in the axial direction of the touch button, which force raises or lowers the touch button by means of a magnet core in accordance with the excitation direction. There is coordinated to each touch button, a mechanical, magnetically actuatable locking device, which locking device is operative only on the touch button.

REFERENCES:
patent: 2327222 (1943-08-01), Sell
patent: 3229387 (1966-01-01), Linvill
patent: 3594787 (1971-07-01), Ickes
patent: 3659354 (1972-05-01), Sutherland

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