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Microwave Oven With Removable Storage Cassette in Dashboard of Motor Vehicle

A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.

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Class 363/39 - With means to introduce or eliminate frequency components


Subclass of Class 363 - Electric power conversion systems
Definition: Subject matter wherein the system includes means for introducing
No. of patents: 403
Last issue date: 05/29/2012


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NumberTitleIssue Date
8189353Method for the operation and use of a converter
A method for the operation of a converter of a power-generating generator system that can be connected to an electrical AC network, and the use of the converter is provided. The converter is operated by a regulation device regulating the converter as an activ...
05/29/2012
8159840Multilevel inverter
The present invention relates to a multilevel inverter comprising: a converter unit converting an inputted AC power source to a direct current (DC) power source; a film capacitor rectifying the DC power source converted by the converter unit; an inverter unit conver...
04/17/2012
8144489Production of a real power equilibrium of the phase modules of a converter
A converter has at least one phase module, an AC voltage terminal and a DC voltage terminal. A phase module branch is formed between each DC voltage terminal and each AC voltage terminal. Each phase module branch has a series circuit containing submodules which each...
03/27/2012
8116104Power supply apparatus with noise attenuator to reduce harmonic current and electronic device having the power supply apparatus
A power supply to improve an EMI characteristic and an electronic device having the power supply. The power supply includes a power converter to convert an alternating current (AC) power applied from outside to a direct current (DC) power, a ground portion to supply...
02/14/2012
8089786Reduced-loss polyphase resonant power converter
The present invention is a polyphase, resonant switching power converter which includes a transformer structure configured for minimizing converter-frequency ripple at both an input and output of the power converter. The power converter is further configured for max...
01/03/2012
8050060Method for operating a converter circuit and apparatus for implementing the method
The disclosure specifies a method for operating a converter circuit, the converter circuit having a converter unit with a large number of drivable power semiconductor switches and with a three-phase electrical AC voltage system, in which the drivable power semicondu...
11/01/2011
8045347Method for operating a converter circuit, and apparatus for carrying out the method
A method for operating a converter circuit is disclosed. Such a converter circuit has a converter unit with a multiplicity of actuatable power semiconductor switches and is connected to a three-phase electrical AC mains system and in which the actuatable power semic...
10/25/2011
8023293On-die anti-resonance structure for integrated circuit
A structure and method for reducing the effects of chip-package resonance in an integrated circuit assembly is described. A series RLC circuit is employed to reduce the output impedance of the power delivery system at the resonance frequency. ...
09/20/2011
8004865Methods for minimizing double-frequency ripple power in single-phase power conditioners
A method is provided for minimizing a double-frequency ripple power exchanged between a load and an energy source, the energy source delivering electrical power to the load through a single-phase power conditioner, and the power conditioner being coupled to an energ...
08/23/2011
7965525PWM DC steady-state output circuit
In a pulse-width-modulation (PWM) direct current (DC) steady-state output circuit, there are included an electrode switch and a resistor-capacitor (RC) integrating filter. The electronic switch has a signal input end, via which a PWM signal is input, and a high-leve...
06/21/2011
7920393Four pole neutral-point clamped three phase converter with low common mode voltage output
A four pole, three-phase, NPC converter that produces virtually no common mode voltage. The low common mode voltage output is achieved by constraining the switch states of the NPC converter. A fourth pole and associated control balance the upper and lower DC link vo...
04/05/2011
7898827Active EMI filtering using magnetic coupling cancellation
An active electromagnetic interference (EMI) filtering may reduce the requirements for high current differential mode inductors. The active EMI filtering of the present invention may be useful in power devices that use switching power converters. Conventional EMI di...
03/01/2011
7881079UPS frequency converter and line conditioner
Systems and methods disclosed herein monitor and control input to a converter in one or more of a UPS, a frequency converter, or a line conditioner. Distortion due at least in part to ripple voltage can be removed from a control signal that controls input current to...
02/01/2011
7848122Terminator for reducing differential-mode and common-mode voltage reflections in AC motor drives
A terminator reduces reflections on power lines connecting an inverter to an AC motor by providing a differential-mode reflection damping element and at least one common-mode reflection damping element, the latter including a series capacitance to substantially redu...
12/07/2010
7817449Power supply apparatus for attenuating noise
A power supply to improve an EMI characteristic and an electronic device having the power supply. The power supply includes a power converter to convert an alternating current (AC) power applied from outside to a direct current (DC) power, a ground portion to supply...
10/19/2010
7787267Active power filter
An active power filter includes an energy storage capacitor, an inverter, a filtering circuit and a controller. The inverter is controlled to act as a virtual resister at a fundamental frequency for compensating for the power loss of the active power filter, to act ...
08/31/2010
7755916Methods for minimizing double-frequency ripple power in single-phase power conditioners
A method is provided for minimizing a double-frequency ripple power exchanged between a load and an energy source, the energy source delivering electrical power to the load through a single-phase power conditioner, and the power conditioner being coupled to an energ...
07/13/2010
7738268EMC filtering device in a variable speed drive
The invention relates to a filtering device connected between a rectifier module of a variable speed drive and an alternating current power supply network, the filtering device comprising an EMC filter comprising a common-mode inductor having a winding on each phase...
06/15/2010
7724549Integrated power conditioning system and housing for delivering operational power to a motor
A device for conditioning power delivered to operate a motor is disclosed. The device includes a sealed housing having at least one input terminal extending through the housing and configured to receive an input power and at least one output terminal extending throu...
05/25/2010
7672147High attenuation filtering circuit for power converters
A power converter includes an output filter circuit including first and second inductive elements; a voltage source coupled to the output filter circuit, the voltage source for generating a voltage across the output filter circuit, the voltage including an alternati...
03/02/2010
7667988Filter
EMC filter, for connection between a mains supply network and a mains-operated appliance to reduce conduction noise between said supply network and said appliance, comprising a voltage divider connected to said mains network, for generating a voltage lower than a vo...
02/23/2010
7633773On-die anti-resonance structure for integrated circuit
A structure and method for reducing the effects of chip-package resonance in an integrated circuit assembly is described. A series RLC circuit is employed to reduce the output impedance of the power delivery system at the resonance frequency. ...
12/15/2009
7633772AC power distribution system with transient suppression and harmonic attenuation
An AC power distribution unit for coupling AC power having a fundamental frequency to a plurality of electrical loads has an enclosure. A power input feed is retained by the enclosure for coupling to a source of the AC power. A plurality of power output feeds is ret...
12/15/2009
7633774Power supply apparatus for suppressing attenuation of a transmission signal
A power supply apparatus has a coupled transformer that inputs and outputs a communication signal and a capacitor that has high impedance to a commercial power supply frequency and low impedance to a communication signal frequency. The capacitor is connected between...
12/15/2009
7606051Fully clamped coupled inductors in power conversion circuits
The subject invention reveals improvement methods for circuits that use a coupled inductor wherein overshoot and ringing associated with leakage inductance of said coupled inductor is entirely eliminated by addition of non-dissipative active clamp networks that clam...
10/20/2009
7596006Reducing output ripple from a switched mode power converter
The present invention pertains to a switching regulator having two inductors that discharge stored energy during the switching operation to an output capacitor, which integrates the pulses and supplies an average voltage plus ripple to a load. The two inductors are ...
09/29/2009
RE40907Ripple cancellation circuit for ultra-low-noise power supplies
A low-ripple power supply includes a storage capacitor coupled across load terminals, and an inductor connected to a source of voltage including a varying or pulsatory component and a direct component, for causing a flow of current to said capacitor through the indu...
09/08/2009
7545656Common mode noise reduction circuit utilizing dual primary windings
A common mode noise cancellation circuit eliminates common mode noise generated by a high-frequency switching device. The common mode noise reduction circuit includes a single switching device and a transformer. The switching device receives a rectified voltage and ...
06/09/2009
7525825Snap in high power, high current connector with integrated EMI filtering
A filter assembly is provided which includes a Faraday cage interface. Electrical noise is filtered by the Faraday cage interface. The Faraday cage interface is configured to prevent passage of electromagnetic waves. ...
04/28/2009
7502237Power waveform harmonic analysis using summed samples
Provided are methods and apparatus for characterizing a power waveform. Some such methods include sampling the power waveform to generate a plurality of samples and, for each of the samples, recursively processing the sample to generate an aggregate signal energy va...
03/10/2009
7466570Islanding detection method
An islanding detection method is proposed to overcome the incapability of detecting islanding operations in accordance with prior arts. A distortion for causing a variation of an AC power system is performed, and an AC power system frequency and a voltage variation ...
12/16/2008
7428158System and method for reducing harmonic effects on a power delivery system
A power delivery system, and a method for operating it includes a plurality of power cells that are electrically connected to a multi-winding machine comprising one or more primary windings and a plurality of secondary windings such that each cell is electrically co...
09/23/2008
7423494Apparatus and method for a spread-spectrum oscillator for magnetic switched power converters
A method and apparatus for a spread-spectrum oscillator for a switched power converter is provided. The spread-spectrum oscillator includes a current waveform generation circuit, a capacitor, a switch, and a comparator. The capacitor is arranged to receive an oscill...
09/09/2008
7420824Method of designing an RPWM inverter with unwanted harmonic elimination
A method of designing a random pulse width modulation (RPWM) inverter with unwanted harmonic elimination, which first uses a Fourier analysis and a numerical analysis to eliminate the unwanted harmonic components, next uses the equal area approach to produce switchi...
09/02/2008
7402983Method for use of charge-transfer apparatus
A method for controlling a switching power converter which includes a central capacitor exchanges charge between the capacitor and plural nodes of a first terminal, and then transfers the charge between the capacitor and plural nodes of a second terminal. The charge...
07/22/2008
7400126DC regulated power supply having voltage correction
In a DC regulated power supply realized as AC adapter or the like by a switching power supply, a reference voltage correction circuit, which estimates a voltage drop corresponding to a load current, corrects to increase an output voltage by changing a feedback refer...
07/15/2008
7397225Apparatus for controlling the power of an AC voltage supplying an electrical consumer by phase control and method for reducing harmonics
An apparatus for controlling the power of an AC voltage supplying an electrical consumer (14) by phase control and for reducing harmonics caused by said phase control, particularly within a range of 4 kHz, preferably within a range of the third harmonic, comp...
07/08/2008
7382112Methods and devices for input waveform control in switching power supplies
The invention recognizes that filter size can be reduced substantially as power factor is permitted to deviate below unity in systematic ways. Preferred methods of the invention provide specific, computable waveforms that permit use of a minimum filter size given a ...
06/03/2008
7372709Power conditioning system for energy sources
Apparatus for conditioning power generated by an energy source includes an inverter for converting a DC input voltage from the energy source to a square wave AC output voltage, and a converter for converting the AC output voltage from the inverter to a sine wave AC ...
05/13/2008
7368830Polyphase power distribution and monitoring apparatus
A polyphase power distribution and monitoring apparatus having sets of outputs for each phase of power and monitors for each phase of power disposed in the housing. Each monitor provides a visible display of current for an associated phase of power and an audible al...
05/06/2008
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