Data recording cartridge for language learning machine

Details Data recording cartridge for language learning machine Data recording cartridge for language learning machine

1988-03-07

1990-10-16

Lucas, Susan J.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Telephone equipment

Patent

active

D03113914

REFERENCES:
patent: D271688 (1983-12-01), Tajima et al.
patent: D298327 (1988-11-01), Kimura
patent: 3893182 (1975-07-01), Schmidt
patent: 4611995 (1986-09-01), Sado
patent: 4791511 (1988-12-01), Davis
Catalog of Mitsubishi IC Card, MELCARD--Mitsubishi Electric Corporation published Feb., 1986.
Catalog of maxwell MEMORY CARTRIDGE, ML-32PC Hitachi Maxell Co., Ltd. published May 20, 1986.
Catalog of National Memory Card, BN-008.

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