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Secondary electrical power supply

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

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Secondary power supply for use with handheld illumination device

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

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Secondary source of energy system for powering communications ha

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

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Security system for alternative energy supplies

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

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Selective connection of power supplies

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

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Self-diagnostic redundant modular power supply

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

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Self-programmable battery load/bias for memory expansion module

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

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Semiconductor integrated circuit

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

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Shunt circuit for reducing audible noise at low loading conditio

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

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Shunt connected superconducting energy management system...

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

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Shunt connected superconducting energy stabilizing system

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

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Shunt connected superconducting energy stabilizing system

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

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Shutter control apparatus

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

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Simultaneous power supply source

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

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Sine wave generation circuit and uninterruptible power...

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

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Single chip solution for solar-based systems

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

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Small electronic device capable of switching batteries by releas

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

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Smart power switch for broadband communications network

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

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Smart power switch for broadband communications network

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

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Snubber circuit for use in an uninterruptible power supply

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

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