Small-sized TV set b / w image "Chair 23TB-301" was produced presumably since 1991 by the KiEKS enterprise in the mountains.
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Kaliningrad, Moscow region, now the city of Korolev.
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The TV is called "CHAiR" according to the nationalities of the founders, Circassians, Armenians and Russians.
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The TV is made on the basis of the 23rd kinescope, as the most reliable at the time of development.
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The device uses reliable blocks from color and b / w TVs.
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Here, for the first time, push-button switching of 7 channels and operation from a 24-volt battery were used for portable TVs.
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Engineers from MCC, NPO Energia, Zvezda, Mytishchi Plastics Plant took part in the development.
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The device was the first to use the frame scan scheme on the K174UN7 microcircuit.
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The TV was produced for about seven years and was in great demand, especially among the drivers of KAMAZ vehicles.
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