4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. Voltage regulator protective circuits

Hirohisa Warita

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Direct-current stabilization power supply device

Electricity: electrical systems and devices – Safety and protection of systems and devices – Voltage regulator protective circuits
Reexamination Certificate

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Optical encoder

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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Power supply circuit having soft start

Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Reexamination Certificate

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Semiconductor device, step-down chopper regulator, and...

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With bootstrap circuit
Reexamination Certificate

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Switching power supply circuit and electronic apparatus...

Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2049252

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