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Auditory Feedback of Keyboard Shift Lock Disclosure Number: IPCOM000052999D
Original Publication Date: 1981-Aug-01
Included in the Prior Art Database: 2005-Feb-12

Publishing Venue


Related People

Axford, JG [+details]


An electronic keyboard for use with a visual display unit is provided with means for producing an audible tone of one pitch when lowercase keys are operated and of a higher pitch when uppercase keys are operated.