LandOfFree - US Patents - Listing for Electrical transmission or interconnection systems,Plural supply circuits or sources,Substitute or emergency source

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

Rechargeable back-up battery system including a number of batter

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

Rectifier-inverter and line voltage regulator system

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

Redundant electrical DC power system for aircraft

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

Redundant electrical power source, distribution and consumption

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

Redundant input power system

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

Redundant mobile power supply system

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

Redundant power system having a photovoltaic array

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

Regulated power supply and method

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

Regulated uninterruptible power supply

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

Regulating device for polyphase electrical circuits

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

Reliable DC power supply

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

Remote d.c. power supply with automatic backup power feature

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

Remote power supply system for equipment on a transmission line

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

Reserve power source with power failure detection apparatus

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

Reserve power supply for computers

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

Reset signal generating circuit

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

Ride-through energy boost circuit

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

Robust controller for controlling a UPS in unbalanced operation

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

Rotary converter machine for direct transfer of electric energy