1
Ule Louis A: System for detecting and utilizing the maximum available power from solar cells. North American Rockwell Corporation, October 3, 1972: US3696286 (124 worldwide citation)

In a power solar cell array consisting of many solar cells connected to deliver useful electrical power, there is imbedded a smaller reference solar array consisting of solar cells connected in series with a Zener diode and load resistor so devised that the voltage that appears across the load resis ...


2
Farnsworth Robert P, McCaughey Dennis G: Wide band boost regulator power supply. February 8, 1972: US3641422 (114 worldwide citation)

A power supply which, in one embodiment, provides to a load a relatively constant DC (direct current) output voltage at a voltage level equal to or greater than that being supplied from a variable DC voltage source. The power supply includes a first switching circuit controlled by a voltage sensing ...


3
Colegate Trevor Roger, Bradford Raymond Ernest: Alternator and static converter system. Marconi Gec, November 22, 1995: GB2289581-A (60 worldwide citation)

An alternator has a three-phase output on lines 2, 3 and 4 applied to a DC - DC boost converter circuit 5 comprising rectifier means 7 and a chopper amplifier which includes transistors 11 and 12. The necessary inductance in the convertor circuit 5 is provided by the self-inductance of the alternato ...


4
Cardwell Jr Gilbert I: Two-phase solid state power converter. Hughes Aircraft Company, MacAllister Jr W H, Dennison D O, October 14, 1975: US3913000 (42 worldwide citation)

A driven two-phase power converter such as a DC-to-AC inverter or boost converter is modified by the incorporation of a unique differential current transductor and transistor pulse drive circuit. The differential current transductor senses any difference in the average current in the two legs of the ...


5
Bassett John A: Dc/DC switching converter circuit.. Computer Products, May 22, 1991: EP0428377-A2 (36 worldwide citation)

A two switch, DC/DC converter provides sufficient inductive energy storage at the termination of the "on" period of each switch to alter the charge on the intrinsic and stray capacitance of the combination of switches producing zero voltage across the alternate switch prior to its turn on. A short d ...


6
Nelson Gerald Jerome: Power supply. Hewlett Packard Co, June 13, 2001: EP1107437-A2 (33 worldwide citation)

A high availability DC power supply (30) with isolated inputs comprises a first diode (36) having a first diode output and a second diode (38) having a second diode output, the diodes receiving isolated inputs from respective power source inputs (42, 50) via respective isolating transformers (44, 52 ...


7
Vai Raimondo, Gattavari Giuseppe, Gritti Giovanni: Magnetic core for a coupled multi coil filter inductor. St Microelectronics, September 19, 2007: EP1835604-A1 (32 worldwide citation)

A three phase coupled filter inductor core of a low reluctance material consists of two matching parts joined to create closed magnetic flux paths, at least one part having a planar base portion and four parallel pillars extending from a surface of the planar base, three of the pillars are spaced by ...


8
Wilson Martin: Single inductor multiple output converter. Nujira, Wilson Martin, Williams David John, November 19, 2009: WO/2009/138505 (24 worldwide citation)

There is disclosed a buck-boost converter comprising a voltage generation apparatus comprising: a voltage source (110); an inductor (108), wherein a first terminal of the inductor is switchably connected to the voltage source; and a plurality of capacitors (202) switchably connected to a second term ...


9
Bryson Stephen W: Programmable step down DC-DC converter controller. Fairchild Semiconductor, November 11, 1998: EP0877468-A2 (18 worldwide citation)

A programmable DC-DC converter controller with a high speed synchronous controller and a 5-bit programmable DAC provides an operating voltage to an external device (such as a microprocessor) in response to a 5 bit code programmed in the external device. The 5-bit programmable DAC outputs a signal wh ...


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