4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Radio transmitter

Christine Johnson

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Asymmetric shunt for deflection yoke for reducing diagonal...

Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means
Reexamination Certificate

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Auxiliary coil driver circuit for a cathode ray tube

Electric lamp and discharge devices: systems – Cathode ray tube circuits – With secondary emission stage in the cathode-ray tube
Reexamination Certificate

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Camera with an auxiliary camera

Television – Special applications – Observation of or from a specific location
Reexamination Certificate

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Capacitively coupled power supply

Electric power conversion systems – Current conversion – With means to selectively provide d.c. of either polarity
Reexamination Certificate

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Capacitively coupled power supply

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2240621

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