| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 307036000 | Serially connected load circuits | 13 |
| 20080284249 | DIRECT CURRENT POWER TRANSMISSION AND DISTRIBUTION SYSTEM - A direct current (DC) transmission and distribution system ( | 11-20-2008 |
| 20100007209 | Device for feeding a charge including integrated energy storage - A device for supplying power to a load, requiring both a pre-determined supply of electrical power and high power for short durations of the operating cycle of the load, where the operating cycle is repeated. The power supply device includes a connection to an electrical grid, an AC voltage transformation circuit, a voltage rectification means and a plurality of DC/DC converters mounted in series to terminals of the load. Each of the DC/DC converters has a storage capacitor mounted in parallel to it and at least one of the DC/DC converters is supplied directly by the voltage rectification means. At least another one of the DC/DC converters is not supplied directly by the voltage rectification means. The power supply device may compensate for losses in the power supply device and load, and may substantially continually and uniformly balance voltages at terminals of the storage capacitors. | 01-14-2010 |
| 20100181833 | LED Lamp Circuit - The present invention discloses a high power LED lamp circuit with a fan provides advantages such as simple structure, high efficiency, low power consumption, energy saving, and longer lifetime. The LED lamp circuit comprises a rectifying-filtering circuit ( | 07-22-2010 |
| 20110049988 | Control System and Semiconductor Device Used Therein - The present invention aims to provide a control system which is capable of building high-precision current detecting means in a single-chip LSI and can be realized at a lower cost, and a semiconductor device used in the control system. Drive circuits are provided inside the same semiconductor chip. The drive circuits are equipped with: current detecting shunt resistors each of which is provided in each of the drive circuits and detects a current flowing through a load, the current detecting shunt resistors being provided within a semiconductor chip by the same process; a dummy resistor provided within the semiconductor chip by the same process as the current detecting shunt resistors; and a calibration reference externally attached to the semiconductor chip and connected to the dummy resistor. A correcting means corrects the values of currents that flow through the current detecting shunt resistors, using the dummy resistor and the calibration reference. | 03-03-2011 |
| 20120161518 | METHOD AND SYSTEM FOR CONTROL POWER IN REMOTE DC POWER SYSTEMS - A method and system for a control power supply system is provided. The control power supply system includes a first conductor configured to carry a direct current (DC) electrical current from a source to a load, a second conductor configured to carry the DC electrical current from the load to the source, a electrical device electrically coupled in series with at least one of the first and second conductor. The electrical device is configured to fail in a shorted condition such that failure of the electrical device maintains a direct current (DC) ring bus including the first and second conductor. The control power supply system also includes a control power circuit electrically coupled in parallel with at least a portion of the electrical device such that a DC voltage across at least a portion of the electrical device provides a DC voltage supply to the control power circuit. | 06-28-2012 |
| 20120326508 | LED ARRAY AUXILIARY POWER SUPPLY - A method and apparatus for providing one or more operating voltages and currents to one or more auxiliary loads by tapping an LED array driven by an LED driver providing a drive voltage to the LED array, and/or supplying an operating voltage to the LED driver itself using such a tap. | 12-27-2012 |
| 20140001851 | ELECTRONIC MEDIUM WITH IC AND SYSTEM OF THE SAME | 01-02-2014 |
| 20140035371 | SYSTEM AND METHOD FOR PROPORTIONED POWER DISTRIBUTION IN POWER CONVERTER ARRAYS - A system and method for proportioned power distribution in arrays of power converters are disclosed. According to one embodiment, a method includes distributing a node-specific transfer function to each node of a plurality of nodes via a communication bus. Each node includes a power converter, and nodes of the plurality of nodes are electrically connected in series. Each node-specific transfer function enables each node to contribute a positive impedance to a total impedance of the plurality of nodes. The computer-implemented method further includes coordinating a setting of a parameter of each node-specific transfer function to regulate a common bus current across the plurality of nodes, and assigning to each node an electrical characteristic based on a parameter of each node-specific transfer function. | 02-06-2014 |
| 20140265576 | Series Load Control Apparatus and Marker Light Apparatus - According to one embodiment, a plurality of first saturable units respectively include input sections connected to an output side of a constant current power supply apparatus in series to one another and respectively supply outputs to loads corresponding thereto. A second saturable unit includes an input section and an output section, the input section being connected to the input sections of the first saturable units in series. An abnormality detecting unit monitors a state of the load of at least one of the first saturable units, closes the output section of the second saturable unit during normal time, and opens the output section of the second saturable unit during abnormal time. | 09-18-2014 |
| 20140375129 | Dynamic Power Management - A circuit that has one or more control units that divide a load into two or more load groups, with each load group comprised of at least one load element. The one or more control units directing power from a power source to one or more of the load groups based on voltage variations in an output of the power source, load grouping, and operational parameters of the load elements. The circuit further includes one or more pass stages that regulate current flow from the power source to the load groups. | 12-25-2014 |
| 20150035364 | CONTROL CIRCUIT - A control circuit ( | 02-05-2015 |
| 20160087459 | LOAD AND CONSUMER - A load includes a device for inductively powering it, the device including an insertion part, following the insertion of which into the load the powering of the latter is provided. | 03-24-2016 |
| 307037000 | Selective series-parallel connections | 1 |
| 20100090530 | Load driving circuit, integrated circuit, dc-dc converter, and load driving method - A load driving circuit ( | 04-15-2010 |
