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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Zansky; Zoltan
Address:
San Carlos, CA
No. of patents:
13
Patents:












Patent Number Title Of Patent Date Issued
7802121 Auxiliary power system September 21, 2010
The present invention is a method and system for providing auxiliary power during a power interruption. An auxiliary power system of the present invention may be added to a power supply to provide auxiliary power during a power dip or power interruption to the power supply. The auxil
7464292 Redundant power system with no latent single failure point December 9, 2008
A redundant power supply system with several individual power supplies, each connected to one of several power inlets. At least one power supply can be connected to a selectable one of the several power inlets by means of a steering network.
7436200 Apparatus for testing a power supply October 14, 2008
The present invention is an apparatus for testing a power supply. A power supply testing apparatus may include a remote load which may sink an adjustable amount of current with an adjustable slew rate and may test the response of the power supply to determine its operability with a d
7379282 Input and output isolating diode for power dissipation reduction of power supplies May 27, 2008
The present invention is a method and system for providing improved isolation for power supplies while minimizing power dissipation. A body diode of a MOSFET may be utilized with a comparator circuit. The comparator circuit may detect current flow across the MOSFET and may turn the M
7312962 Intelligent overcurrent protection for power supplies December 25, 2007
The present invention is a method and system for preventing an output of current greater than a desired amount for a redundant power supply system. In an embodiment of the present invention, redundant power supplies may be shut down when the sum of the output currents from the redund
7209357 Universal modular power supply carrier April 24, 2007
A universal modular power supply carrier mounts different sized power supplies within a substantially rectangular body designed for thermal and electromagnetic emissions control. The power supplies are preferably secured within the carrier body. Input connectors may be alternating cu
7208955 Power relay or switch contact tester April 24, 2007
Embodiments of the invention include a test circuit having an auxiliary low power test signal generator, filters, and a detector to test a power switch. The generator sends an auxiliary low power test signal having a different frequency than a power signal for the switch to an input of t
7034413 Holdup time extender and inrush current eliminator for switching power supplies April 25, 2006
The present invention is a method and system for supplementing power when a power supply has a power failure. An amount of inrush current produced upon resumption of input power is reduced. Supplemental power circuitry may include a rechargeable battery that may supply power during a pow
6995966 Fire protection for electronics equipment February 7, 2006
A method and apparatus for fire prevention in electronic equipment utilizes infrared imaging technology to monitor a substantial region of an enclosure within the electronic equipment. For example, a shelf within a computer cabinet may have a lens and thermal sensor array placed within
6947287 Universal modular power supply carrier September 20, 2005
A universal modular power supply carrier mounts different sized power supplies within a substantially rectangular body designed for thermal and electromagnetic emissions control. The power supplies are preferably secured within the carrier body. Input connectors may be alternating cu
6930869 OR-diode inductive load spike suppressor August 16, 2005
The present invention is a method and system for preventing voltage spike feedback with switched inductive loads connected to isolated redundant power supplies. A voltage clamp circuit of the present invention may clamp the voltage spikes caused by inductive loads within a power supply s
6693784 Active power supply transient limiter circuit February 17, 2004
The present invention is a method and system for actively limiting transient voltages across a voltage bus. Circuitry coupled to a bus may adjust the voltage level of a bus to a voltage within a desired range when transient voltages cause the voltage level on the bus to fall outside of a
5774021 Merged transconductance amplifier June 30, 1998
Operational transconductance amplifiers (OTAs) are combined at their outputs, yielding a single frequency compensation connection point. In a preferred embodiment, the output of each OTA is asymmetric, i.e., they can only source current and the OTA outputs are tied together to a constant










 
 
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