This article is from the RCA SelectaVision VideoDisc FAQ, by tom@cedmagic.com (Tom Howe) with numerous contributions by others.
There were 4 manufacturers, marketed under 11 brand names, with a total
of 45 different player models. The Elmo, GEC, JC Penney, Realistic,
Sears, Wards, and Zenith name brand models were electrical and
mechanical clones of models distributed by the four manufacturers. There
were also stereo adapters manufactured for the Hitachi VIP1000 and
Toshiba VP100, and a planned, but unreleased stereo adapter for the
Sanyo VDR3000. For pictures and specifications on all CED players,
consult the CED Player Reference Guide, available at this URL:
http://www.cedmagic.com
 
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