Communications: electrical – Audible indication – Percussion-type sound producer
Patent
1978-05-30
1980-04-22
Shaw, Gareth D.
Communications: electrical
Audible indication
Percussion-type sound producer
340365R, 400 83, 400125, 178 30, 3401462SY, G06F 302
Patent
active
041997514
ABSTRACT:
A device for the input of alphanumerical data for apparatus of small size. The device comprises a keyboard formed of zones and members for the introduction of data, a monitoring display having luminous segments and electronic memorizing and decoding means, with the introduction zones enabling composition of the data, segment-by-segment, actuation of a zone making it possible to activate the segment of the display corresponding to this zone, the geometrical arrangement on the keyboard of the said zones being directly related to the arrangement of the segments of the display.
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IBM Technical Disclosure Bulletin, vol. 14, No. 3, Aug., 1971, Wolfe, R. N., "Keyboard for Electronic Tablet or Digitizer".
Centre Electronique Horloger SA
Miller Joel
Shaw Gareth D.
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