4. Electricity: power supply or regulation systems
  5. Output level responsive
  6. Using a three or more terminal semiconductive device as the...

Device Engineering Co. Ltd.

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Control circuit for DC/DC converter

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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Power circuit

Electricity: power supply or regulation systems – Self-regulating – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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Stabilized power supply circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
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Switching power supply circuit

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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Switching power supply circuit

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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