1
Richard Redl: Gate charge recovery circuit for gate-driven semiconductor devices. Toko America, William E Hein, March 29, 1994: US05298797 (142 worldwide citation)

A gate charge recovery circuit prevents generation of the voltage spike that would otherwise appear across the sense resistor that is employed to detect the current flowing through the switched terminal of a gate-driven semiconductor device when the device is turned on. The gate charge recovery circ ...


2
Janeen D W Anderson, Carver A Mead, Timothy P Allen, Michael F Wall: CMOS winner-take all circuit with offset adaptation. Synaptics Incorporated, Kenneth D Alessandro, September 8, 1992: US05146106 (120 worldwide citation)

An adaptable MOS winner take all circuit includes a plurality of adaptable current mirrors. Each adaptable current mirror includes a floating node onto which and from which electrons may be transported by control signals and electrical semiconductor structures. Electrons may be placed onto and remov ...


3
Michael S Deiss: Signal source selector. RCA Corporation, Paul J Rasmussen, Peter M Emanuel, Adel A Ahmed, January 20, 1987: US04638181 (98 worldwide citation)

A signal switching arrangement includes first and second switches coupled between a signal input terminal and a signal output terminal. A bias signal for causing the first switch to couple an input signal to the second switch is applied to the output terminal. The second switch is controlled by a co ...


4
William S Carter: Bidirectional buffer amplifier. Xilinx, Alan H MacPherson, Paul J Winters, Edel M Young, December 15, 1987: US04713557 (90 worldwide citation)

Bidirectional amplifier employs a single buffer amplifier (64). The bidirectional amplifier is programmed by applying a control signal (Q) and its complementary signal (Q), which establishes the state of four pass transistors (P.sub.1 ', P.sub.2 ', P.sub.3 ', P.sub.4 ') or four CMOS transmission gat ...


5
Milton E Wilcox: Circuit for driving two power mosfets in a half-bridge configuration. Linear Technology, Laurence S Rogers, Mark D Rowland, Robert W Morris, November 15, 1994: US05365118 (89 worldwide citation)

A driver circuit for driving top and bottom power transistors stacked between two supply terminals is provided. The driver circuit includes shoot-through reduction means for monitoring the gate-to-source voltages of the two power transistors so as to inhibit the turning-ON of each power transistor u ...


6
Peng Xu, Bertrand Johan Edward Hontele, Jean Pierre Kuppen: Supply assembly for a led lighting module. Koninklijke Philips Electronics, Edward W Goodman, July 4, 2006: US07071762 (86 worldwide citation)

A supply assembly for an LED lighting module includes a control switch for supplying a constant current to the LED lighting module. A dual switching signal composed of low frequency bursts of high frequency pulses is applied to the control switch. By varying the low frequency component of the dual s ...


7
Hideyo Kaneyama: Analog multiplexer. NEC Corporation, Ostrolenk Faber Gerb & Soffen, January 15, 1991: US04985703 (83 worldwide citation)

An analog multiplexer comprises MOS FET circuits of (n+1) in number corresponding to analog input terminals of (n+1) in number, and circuits of (n+1) in number for applying a fixed electric potential to the MOS FET circuits, where n is a positive integer (in =1, 2, 3, . . . ). The MOS FET circuit in ...


8
James Honea, Yifeng Wu: Bridge circuits and their components. Transphorm, Fish & Richardson P C, June 21, 2011: US07965126 (79 worldwide citation)

A half bridge is described with at least one transistor having a channel that is capable in a first mode of operation of blocking a substantial voltage in at least one direction, in a second mode of operation of conducting substantial current in one direction through the channel and in a third mode ...


9
Hasegawa Yasushi: Optical coupling element for power control and electronic equipment using it. Sharp, February 2, 2006: JP2006-033723 (79 worldwide citation)

PROBLEM TO BE SOLVED: To control a drive of loading signal densely and reduce power consumption.SOLUTION: This invention is comprised of light emitting diode 11 connected to microcomputer side, IGBT gate controller 20 equipped with light receiving element 21 and a push pull circuit, and bidirectiona ...


10
Steven K Sullivan, Christopher W Branson: Adjustable impedance driver network. Tektronix, William O Geny, Robert S Hulse, November 17, 1987: US04707620 (75 worldwide citation)

A variable impedance driver network comprises a plurality of transmission gates connected in parallel between a voltage source and an output. Each transmission gate has a predetermined nominal impedance and by turning on selective gates the overall impedance of the network may be adjusted to match t ...



Click the thumbnails below to visualize the patent trend.