1
Hodges Leonard O, Suelzle Larry R: Current-mode d. c. to a. c. converters. Delta Electronic Control Corporation, June 26, 1973: US3742330 (83 worldwide citation)

Circuitry for controlling a load current, without feedback, comprises:A. a source of substantially constant current I.sub.1,b. power switching circuitry connected to receive I.sub.1 and to produce an output current a version of which is to be supplied to a load, andC. control means connected to cont ...


2
Tsuruoka Tosiaki, Maeoka Tatsuo, Nakamura Masafumi: Ac power source apparatus.. Matsushita Electric, November 2, 1989: EP0340006-A2 (54 worldwide citation)

An AC power source apparatus to be used in an AC corona generator necessary for a de-electrification/separation process, which is one of electrographic image forming processes, or in a case where a low frequency AC power source is required, has a construction such that a high-frequency pulse, whose ...


3
Arakawa Noriaki, Isii Makoto: Drive control apparatus for air conditioner.. Hitachi, January 7, 1993: EP0521467-A2 (50 worldwide citation)

The drive control apparatus (45) for controlling a motor (2) to drive the compressor (3) of an air conditioner, according to this invention, includes a rectifying circuit (6, 14) for converting an AC voltage into a DC voltage, an inverter (5) including a combination of a plurality of power controlli ...


4

5
Hay Stewart James John: Electrosurgery apparatus waveform generator. Smiths, April 1, 1998: GB2317566-A (36 worldwide citation)

Waveform generator 2 supplies a 350 kHz square wave or sine wave output from a transformer 11 to an active hand-held electrosurgical electrode 5. Primary winding 15 of transformer 11 is connected to MOSFET switches 17,18 driven by a gate logic circuit 20, and to a modulating transistor 28 driven by ...


6
Masini Marco, Storti Sandro, Boiocchi Stefania: Bootstrap line power supply regulator with no filter capacitor. Sgs Thomson Microelectronics, January 2, 1997: EP0751621-A1 (34 worldwide citation)

A power supply regulator (30) comprising a regulated-voltage source (23); a buffer (31) connected to the voltage source; and a diode (24) connected to the output of the buffer. A bootstrap capacitor (25) is located between the diode and the output of a power stage (1); and the output (6) of the powe ...


7
Rodriguez Cuauhtemoc: Power conditioning unit. Enecsys, Rodriguez Cuauhtemoc, MARKS 66 68 Hills Road Cambridge Cambridgeshire CB2 1LA, July 19, 2007: WO/2007/080429 (28 worldwide citation)

The present invention relates to a power conditioning unit for delivering power from a dc power source to an ac output, particularly suitable for ac voltages greater than 50 volts, either for connecting directly to the mains or grid utility supply, or for powering mains devices directly, independent ...


8
Jain Praveen Kumar, Zhang Haibo: Onduleur alternatif de courant continu haute frequence, High frequency DC to AC inverter. Chippowercom, Chil Semiconductor, OGILVY RENAULT SENCRLSRL, March 2, 2004: CA2353422 (27 worldwide citation)

A high-frequency resonant sine wave DC to AC inverter suitable for use in a personal computer (PC) power supply includes a full-bridge inverter, a resonant circuit, a phase shift modulation circuit, and a resonant gate driver. The resonant gate driver provides sinusoidal gate drive signals to the fu ...


9
Wilkinson Bruce L: Power inverter circuit. Pioneer Magnetics, October 30, 1973: US3769571 (26 worldwide citation)

A power supply is provided which is capable of operation from either of two power sources, such as on normal power from the usual alternating-current mains, or emergency power from a stand-by battery; and which will automatically switch from one source to another as the need arises. The power supply ...


10
Sakamoto Mitsuzo, Watanabe Tokuo: Field-effect type power semiconductor device and semiconductor circuit using same. Hitachi, January 11, 2007: JP2007-006658 (23 worldwide citation)

PROBLEM TO BE SOLVED: To provide a semiconductor circuit which is preferable to a semiconductor device with a normally-on property or to a field-effect type power semiconductor device of a lower threshold, and to provide the field-effect type power semiconductor device.SOLUTION: In the semiconductor ...