"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7418314 | Methods and apparatus for providing and distributing standby power Aspects of the invention are directed to power distribution systems and methods for distributing power from a primary power source and a backup power source to a load. In one particular aspect, a power distribution system includes a first input to receive input powe... | 08/26/2008 |
| 7276815 | Power management system A method of managing power resources for an electrical system of a vehicle may include identifying enabled power sources from among a plurality of power sources in electrical communication with the electrical system and calculating a threshold power value for the en... | 10/02/2007 |
| 7274974 | Independent automatic shedding branch circuit breaker An independent automatic shedding system that automatically allows any combination of loads to powered under limited power availability (such as a standby power source) without overloading the generator or rewiring, while contributing to the stability of the power g... | 09/25/2007 |
| 7142950 | Methods and apparatus for providing and distributing standby power Aspects of the invention are directed to power distribution systems and methods for distributing power from a primary power source and a backup power source to a load. In one particular aspect, a power distribution system includes a first input to receive input powe... | 11/28/2006 |
| 5780939 | Method and apparatus for determining orders of non-characteristic harmonic currents, and for compensation of the noncharacteristic harmonic currents A method and an apparatus can determine the orders (z) of non-characteristic harmonic currents (Ih) of a second power supply grid, which is coupled to a first power supply grid using an HVDCT system. The apparatus and method also compensates for these non... | 07/14/1998 |
| 5175439 | Power supply circuit for motor vehicles A novel vehicle power supply system is suggested which receives its voltage supply from a starter/generator which can be used as a generator in normal operation and as a starter when starting, wherein the starter/generator is connected with a 24 volt ring... | 12/29/1992 |
| 4956598 | Low distortion control for a VSCF generating system Prior variable speed constant frequency (VSCF) generating systems which utilize an inverter to derive constant frequency power from variable frequency power developed by a generator driven by a prime mover have controlled system output voltage by controll... | 09/11/1990 |
| 4472641 | Power supply apparatus The outputs of a plurality of modules or generators of electrical energy, such as fuel cells, chemical storage batteries, solar cells, MHD generators and the like, whose outputs are different are consolidated efficiently. The modules supply a power distri... | 09/18/1984 |
| 4409635 | Electrical power system with fault tolerant control unit A high reliability electrical power system is provided with a microprocessor-based control unit which maintains power output and performs control functions for the system which is driven by the power system. A self locking feature prevents the transmissio... | 10/11/1983 |
| 4180745 | Power regulating supply system for AC electrical loads Electrical line voltage energy from an AC power network is combined with the energy derived from an auxiliary DC voltage source through the primary winding of a transformer to operate an AC load under rated conditions normally associated with its operatio... | 12/25/1979 |
| 4163187 | Alternator having single stator with dual windings and compound output A dual wound stator for a multiphase alternator operating at varying speeds and supplying rectified current at constant voltage with variable output. By combining windings having many turns of smaller wire with windings having fewer turns of larger wire, ... | 07/31/1979 |