Caddy (hardware)
Videos
In computer hardware, a caddy is a container used to protect an optical media disc from damage when handling. Its functionality is similar to that of the 3.5" floppy disk's jacket.
Two Compact Disc caddies
A Macintosh Quadra 660AV with a caddy-based CD drive
Capacitance Electronic Disc
Videos
The Capacitance Electronic Disc is an analog video disc playback system developed by Radio Corporation of America, in which video and audio could be played back on a TV set using a special stylus and
Caddy (hardware)
…optical media disc from damage when handling. Its functionality is similar to that of the 3.5" floppy disk's jacket. Its use dates back to at least the Capacitance Electronic Disc in 1981, and they were also used in initial versions of the Blu-ray Disc. As a cost-saving measure, newer versions use hard-coating technology to prevent…
Exposed CED disc
200× light micrograph of a CED copy of True Grit (1969), showing that in this special case the closing credits of the film are directly visible on the disc itself. Because adjacent tracks on a CED encode the same line in the video signal across different frames, and because the closing credits scroll vertically at a constant rate, the signal produces a coherent image on the disc medium.