4. Dynamic magnetic information storage or retrieval
  5. Automatic control of a recorder mechanism
  6. Controlling the record

Johannes Hendrik Wessels

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Architecture of ballast with integrated RF interface

Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate

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Circuit device for dimming a discharge lamp

Electric lamp and discharge devices: systems – With radiant energy sensitive control means
Reexamination Certificate

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Circuit device for operating a discharge lamp by means of a...

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
Reexamination Certificate

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Communication network with arrangement for replacing a...

Telecommunications – Transmitter and receiver at same station – Transceiver controlling a separate transceiver or receiver
Reexamination Certificate

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DC-DC converter

Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
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Profile ID: LFUS-PAI-P-755597

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