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Power supply circuit for use with a battery and an AC power adap

Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent

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Power supply circuit for use with an electrostatic transducer

Electrical transmission or interconnection systems – Miscellaneous systems – Power packs
Patent

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Power supply circuit for vehicle

Electrical transmission or interconnection systems – Vehicle mounted systems – Automobile
Patent

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Power supply circuit including stably operating voltage...

Electrical transmission or interconnection systems – Plural supply circuits or sources – One source floats across or compensates for other source
Reexamination Certificate

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Power supply circuit on motherboard

Electrical transmission or interconnection systems – Switching systems – Switch actuation
Reexamination Certificate

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Power supply circuit structure and electric equipment using...

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate

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Power supply circuit with backup function

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent

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Power supply circuit with symmetrically tapped auto-transformer

Electrical transmission or interconnection systems – Plural load circuit systems – Transformer connections
Patent

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Power supply circuit, power supply control circuit and power...

Electrical transmission or interconnection systems – Plural supply circuits or sources – Connecting or disconnecting
Reexamination Certificate

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Power supply circuitry

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Power supply circuitry for a microcomputer system

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Power supply circuits

Electrical transmission or interconnection systems – Plural supply circuits or sources – One source floats across or compensates for other source
Reexamination Certificate

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Power supply contention prevention circuit

Electrical transmission or interconnection systems – Plural supply circuits or sources – Selective or optional sources
Patent

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Power supply control apparatus

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent

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Power supply control apparatus

Electrical transmission or interconnection systems – Switching systems – Switch actuation
Reexamination Certificate

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Power supply control apparatus and method suitable for use in an

Electrical transmission or interconnection systems – Switching systems – Condition responsive
Patent

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Power supply control apparatus with a manually operable control

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent

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Power supply control arrangement for a watch stepping motor

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Power supply control circuit

Electrical transmission or interconnection systems – Plural supply circuits or sources – Selective or optional sources
Reexamination Certificate

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Power supply control circuit

Electrical transmission or interconnection systems – Plural supply circuits or sources – Load current control
Reexamination Certificate

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