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Marcos Laraia
J Marcos Laraia: Circuits and methods for providing a current reference with a controlled temperature coefficient using a series composite resistor. AMI Semiconductor, Workman Nydegger & Seeley, February 26, 2002: US06351111 (23 worldwide citation)

A current reference circuit provides a reference current that has a controlled temperature coefficient and is relatively stable with supply voltage fluctuations. The reference leg includes a series of MOS transistors including at least one PMOS transistor that is electrically closer in the series to ...


2
Marcos Laraia
J Marcos Laraia: Circuits and methods for providing a bandgap voltage reference using composite resistors. AMI Semiconductor, Workman Nydegger & Seeley, January 29, 2002: US06342781 (9 worldwide citation)

A bandgap voltage reference circuit includes a current source and a bipolar transistor that are coupled together such that current from the current source passes through the bipolar transistor to a low voltage source such as ground. A composite resistor is coupled in series between the current sourc ...


3
Marcos Laraia
Greg Scott, J Marcos Laraia: Double-sided extended drain field effect transistor, and integrated overvoltage and reverse voltage protection circuit that uses the same. AMI Semiconductor, Workman Nydegger, March 15, 2005: US06867640 (5 worldwide citation)

An integrated overvoltage and reverse voltage protection circuit that includes two p-channel double-sided extended drain transistors coupled to a high voltage source, each having their n-well coupled through a resistor to the high voltage source. For voltage regulation, a voltage divider is coupled ...


4
Marcos Laraia
Greg Scott, J Marcos Laraia: Double-sided extended drain field effect transistor, and integrated overvoltage and reverse voltage protection circuit that uses the same. Workman Nydegger, January 6, 2005: US20050001672-A1

An integrated overvoltage and reverse voltage protection circuit that includes two p-channel double-sided extended drain transistors coupled to a high voltage source, each having their n-well coupled through a resistor to the high voltage source. For voltage regulation, a voltage divider is coupled ...


5
Ihor Lys, George G Mueller, Frederick Marshall Morgan, Michael K Blackwell: Illumination components. Color Kinetics Incorporated, Foley Hoag &Eliot, April 3, 2001: US06211626 (602 worldwide citation)

Disclosed herein is a current control for a lighting assembly, which may be an LED lighting assembly, which may be a pulse width modulated (“PWM”) current control or other form of current control where each current-controlled unit is uniquely addressable and capable of receiving illumination color i ...


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Ihor A Lys, Kevin J Dowling, Frederick M Morgan: Methods and apparatus for providing power to lighting devices. Color Kinetics Incorporated, Foley Hoag, May 2, 2006: US07038399 (382 worldwide citation)

Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupled to A.C. power circuits that are ...


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George G Mueller, Ihor Lys: Multicolored LED lighting method and apparatus. Color Kinetics Incorporated, Lowrie Lando & Anastasi, October 19, 2004: US06806659 (365 worldwide citation)

Illumination apparatus and networks of the same including a number of different embodiments. In one embodiment, the illumination apparatus comprises a plurality of LEDs including at least two different colors; a switching device, interposed between the LEDs and a common potential reference, includin ...


9
Goble Nigel Mark, Goble Colin Charles Owen: Diathermy unit. Goble Nigel Mark, Goble Colin Charles Owen, September 6, 1989: GB2214430-A (362 worldwide citation)

A diathermy unit has a power oscillator with a resonant circuit (16) arranged to be coupled to the tissue to be treated represented by the load (12). The resonant circuit includes a capacitor (20) for connection in series with the load such that the resonant frequency varies with the load resistance ...


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George G Mueller, Ihor A Lys: Multicolored LED lighting method and apparatus. Color Kinetics Incorporated, Lowrie Lando & Anastasi, September 7, 2004: US06788011 (358 worldwide citation)

The systems and methods described herein relate to LED systems capable of generating light, such as for illumination or display purposes. The light-emitting LEDs may be controlled by a processor to alter the brightness and/or color of the generated light, e.g., by using pulse-width modulated signals ...



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