The CED: RCA's Very Late, Very Weird Video Gamble (Pt. 1)
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Further reading 1
Caption notes
The CED player has a stylus and groove, but its electrode senses capacitance variations. A caddy governs how the user handles the disc. Similar-looking media can differ in both what physical signal carries the recording and how the playback interface protects it.
Archived captions (transcription method unspecified) ↗Original passages · 2
a titanium electrode which senses changes in capacitancebrought about by the depth of the groove.