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Portable, transistorized television receivers are usually designed to operate from 12 volts DC. The converter for AC power line operation in most TV sets is built in, but in a few sets it may be in a small box at the AC prong end of the line cord. A cigarette lighter plug in cord accessory is usually supplied for operating the set from an external 12 volt battery as is found in most automobiles, boats, private airplanes, etc.
Broadcast and Television Receivers, IEEE Transactions on (Volume:BTR-16 , Issue: 1 )
Date of Publication: Feb. 1970