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| Number | Title | Issue Date |
| 8013467 | Method and device for optimizing signal power on a wired communications network A method and network device increases the power of the signal transmitted by the device on a wired communications network, such as a powerline communications (PLC) network, without exceeding the maximum allowable common-mode (CM) current specified by regulatory bodi... | 09/06/2011 |
| 7474014 | Signal transmission method A data transmission method superimposes a spread code onto data in order to synthesize a first signal. The method changes the switching frequency of a switching power supply based on the first signal, transmitting the second signal to a plurality of semiconductor ap... | 01/06/2009 |
| 7352079 | Electronic ballast for a lamp An electronic ballast for a lamp has a DC voltage connection; a switching unit having a supply voltage with the DC voltage connection being coupled thereto, and a first capacitor coupled between the supply voltage connection and a reference potential; an AC voltage ... | 04/01/2008 |
| 7332828 | Causing operation of load in alternate, reduced peak power mode A system of one embodiment is disclosed that includes a load, a power supply, and a mechanism. The load is operable in a default mode and an alternate mode. The load has better performance in the default mode than in the alternate mode, and consumes less peak power ... | 02/19/2008 |
| 7221261 | System and method for indicating a configuration of power provided over an ethernet port A system and method indicates the configuration of power to be provided over Ethernet cabling. ... | 05/22/2007 |
| 7187268 | System and method for safely controlling, and receiving status of, power over ethernet A system and method electrically isolates configuration and status information about power provided over Ethernet cabling. ... | 03/06/2007 |
| 6950764 | Arrangements to detect and respond to disturbances in electrical power systems A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference voltage. When t... | 09/27/2005 |
| 6941233 | Arrangements to detect and respond to disturbances in electrical power systems A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference voltage. When t... | 09/06/2005 |
| 6668232 | Arrangements to detect and respond to disturbances in electrical power systems A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference volt... | 12/23/2003 |
| 6601002 | Arrangements to detect and respond to disturbances in electrical power systems A control arrangement and method is provided for detecting and responding to disturbances in electrical power systems. In a preferred arrangement, an integration is initiated that is based on a comparison of actual voltage of a source and a reference volt... | 07/29/2003 |
| 5798573 | Split power supply A power supply circuit for a control circuit of a motor having an armature, includes a first power supply branch having a series combination of a first resistor, a first diode and a Zener diode connected between a supply of power and a reference potential... | 08/25/1998 |
| 5153448 | Information separation device An information separation device that having a transformer operating as a separating filter to separate alternating voltage information and transmitted direct current power. The transformer has at least one winding on a first side coupled to the dc power.... | 10/06/1992 |
| 5132609 | Circuit for measuring the level of an electrical signal and including offset correction means, and application thereof to amplifiers having automatic gain control A measurement circuit for measuring the level of an input electrical signal, the circuit comprising an input amplifier biased from a bias voltage, receiving the input signal, and producing an output signal, followed by a detector module itself followed by... | 07/21/1992 |
| 5058976 | System comprising Er-doped optical fiber The inventive optical fiber communication system comprises Si-based amplifier fiber whose core comprises Ge, Al, and Er. The amplifier fiber has an effective index difference (Ɗn) greater than 0.03, an effective core diameter a less than 3.5 μm, a maxim... | 10/22/1991 |
| 4801812 | System for controlling vehicle power window regulators A system for controlling the power window regulators of at least the doors on the driver and front-seat passenger sides of a vehicle includes control switches having settings corresponding to at least the fully and partly open and closed positions of the ... | 01/31/1989 |
| 4419667 | System for controlling power distribution to customer loads A method and apparatus which permits a power utility to have direct control of customers loads (CD) with a view toward facilitating enablement of a load management philosophy which includes peak shaving and load deferral. A master control station (MCS), w... | 12/06/1983 |
| 3938025 | DC to DC converter for producing two individually controlled and stabilized DC-voltages A DC to DC converter which gives two individually controlled and stabilized DC voltages includes an oscillator of the push-pull type and two rectifiers which are connected to the output of the oscillator. The transformer of the oscillator has a primary wi... | 02/10/1976 |
