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CBS color studio, 1954 photo

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01-07-2014, 12:39 PM

old_tv_nut old_tv_nut is offline

See yourself on Color TV!

Join Date: Jul 2004

Location: Rancho Sahuarita

Posts: 7,748

The article mentions "gyrating" test patterns. I'm guessing this means they were moving mechanically to prevent sharp burn-in of the pattern on the image orthicons. Later TK-41's had optical orbiters built in to perform this function.

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