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

Electrical transmission or interconnection systems – Plural supply circuits or sources – Plural converters

Parallel redundant power system and the control method for...

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

Parallel-connected inverters with separate controllers...

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

Parametric energy coupled uninterruptible power supply

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

Parasitic power supply for traffic control systems

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

Peak power shaving apparatus and method

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

Peripheral device having a power supply

Electrical transmission or interconnection systems – Plural supply circuits or sources – Plural generators

Permanent magnet alternator power generation system

Electrical transmission or interconnection systems – Plural supply circuits or sources

Personal protection control unit

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

Phase adjustment circuit

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

Phase control arrangement to limit output signal transients duri

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

Phase synchronization and control circuit

Electrical transmission or interconnection systems – Plural supply circuits or sources – Circulating- or inter-current control or prevention

Photovoltaic ladder inverter

Electrical transmission or interconnection systems – Plural supply circuits or sources – Plural converters

Plant for feeding alternating voltage with reduced losses

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

PMG main engine starter/generator system

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

Portable apparatus of emergency power supply and battery...

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

Portable computer having power supply system performed by...

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

Portable computer/radio power management system

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

Portable electronic apparatus and charge controlling method for

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

Portable equipment with backup battery charging function