Music card system

Details Music card system Music card system

1984-09-21

1986-09-30

Witkowski, S. J.

Music

Instruments

84462, 84483R, 84DIG1, 235375, 235492, 34082525, G10H 700

Patent

active

046141448

ABSTRACT:
A plastic card mounting an IC memory of a credit card size called a music card stores encoded digital music information including tone, musical interval, musical length and loudness of each musical note and pause, and said music information actuates a synthesizer which generates music sound signal. The music card also stores a character code for indicating title of music on said synthesizer. As music note is encoded and stored in a digital form, a small capacity of IC memory is enough for storing a long play music.

REFERENCES:
patent: 3926088 (1975-12-01), Davis et al.
patent: 4347405 (1982-08-01), Davis
patent: 4448104 (1984-05-01), Hoshii
patent: 4470334 (1984-09-01), Barlow et al.
Stephen B. Weinstein, "Smart Credit Cards: The Answer to Cashless Shopping," IEEE Spectrum, Feb. 1984, pp. 43-49.

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