Companies that made these types of television included Zenith, Panasonic, Sony, Magnavox, Mitsubishi, Sylvania, and Quasar.
The station was sold in the early 1970s and is now WUSN.
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Zenith was the first company to experiment with subscription television, launching their Phonevision concept on experimental Chicago station KS2XBS (originally broadcasting on Channel 2 before the Federal Communications Commission forced them to relinquish it to WBBM-TV).
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The 1955 Flash-Matic remote system, invented by Eugene Polley, used a highly directional photo flash tube in the hand held unit that was aimed at sensitive photoreceivers in the four front corners of the television cabinet.
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