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Rotary head apparatus with dynamic air bearings having ceramic coatings
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Automatic tracking system for magnetic video recording and reproducing devices
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Burst control circuit having a voltage responsive oscillator
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Color television camera equipment
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Color television camera equipment having a reference filter and a color filter assembly interposed between the camera and subject
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Automatic frequency control system with memory circuit for increasing control range
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Color television camera equipment
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Apparatus for eliminating spark noise generated from a direct current motor
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Method and apparatus for gas laser noise reduction
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