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CED in the History of Media Technology

 

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Marvin Leedom With SDT200

1978: RCA SDT200 CED Player - The First to Accept Discs in Caddies

Marvin Leedom of RCA Laboratories in July 1978 demonstrates the slot-loading SDT200 for whose design he was recently awarded US Patent No. 4098511. Housing the disc in a caddy protected it from fingerprints, which was the main cause of disc degradation in the EM-2 and other top-loading prototypes.

 

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