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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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| Number | Title | Issue Date |
| 8139379 | Reverse energy recovery circuit A reverse energy recovery circuit is located on a power conversion circuit equipped with a transformer which has a primary winding side connected to a power switch driven by a control unit. The primary winding side has a first end and a second end bridged by the rev... | 03/20/2012 |
| 7872880 | Switch mode power supply A switch mode power supply according to the invention that can improve the reliability thereof includes a series circuit connected between the positive and negative electrodes of a DC power supply 3, the series circuit including a capacitor 4, a main s... | 01/18/2011 |
| 7764517 | Power supply with reduced power consumption when a load is disconnected from the power supply Detection and control circuitry are added to a conventional power supply to detect when a load, such as a portable electronic device, has been disconnected from the power supply and, when disconnected, interrupt a current path to the primary windings of a transforme... | 07/27/2010 |
| 7729136 | Isolated DC-DC converter In an isolated DC-DC converter, an on-period control circuit generates an off-timing signal when the output voltage of an isolated DC-DC converter exceeds a reference voltage. A signal reception/power switch driving circuit causes a first switching device to be turn... | 06/01/2010 |
| 7675760 | Power supply A power supply (V1) for an electrical device comprising a transformer (X1) having primary and secondary windings. The primary winding is connectable to an AC voltage supply and circuitry on the secondary side is arranged to provide a DC output voltage ... | 03/09/2010 |
| 7443700 | On-time control for constant current mode in a flyback power supply A primary side sensing power control system and method for constant current control that utilizes a relationship that involves the measured reset-time from the previous cycle to determine the primary side peak current and off-time for the next cycle. This control me... | 10/28/2008 |
| 7440296 | Switched mode power supply having a control circuit for setting the switching frequency of the primary side switch in a linear relationship to a measurement voltage produced from the auxiliary voltage This invention relates to a control circuit for the closed-loop control of an output voltage of a primary-controlled switched-mode power supply as well as an associated method. The switched-mode power supply comprises a primary-side switch and a transformer with at ... | 10/21/2008 |
| 7414865 | Controller having output current control for a power converter A controller controls the output current by measuring and controlling the switching current of the power converter. A first circuit generates a first signal in accordance with the switching current. A second circuit detects a discharge-time of the transformer. A thi... | 08/19/2008 |
| 7382062 | Wide voltage range stabilized switching power supply for valve actuators The invention finds application in the field of power supplies for valve actuators, and particularly relates to a wide voltage range stabilized switching power supply for valve actuators, of the type that comprises a filter 2, a diode bridge 3, an arra... | 06/03/2008 |
| 7365997 | Synchronous switching control circuit for power converters The present invention provides a synchronous switching control circuit for variable switching frequency power converters. It comprises a first circuit to generate a first signal in response to an input synchronous signal of a power converter. A second circuit is cou... | 04/29/2008 |
| 7362593 | Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply A voltage-waveform detector produces a voltage-feedback signal and a discharge-time signal by multi-sampling a voltage signal of a transformer. The discharge-time signal represents a discharge time of a secondary-side switching current. A voltage-loop error amplifie... | 04/22/2008 |
| 7362592 | Switching control circuit for primary-side controlled power converters The present invention discloses a switching control circuit for a primary-side controlled power converter. A voltage-waveform detector produces a voltage-feedback signal and a discharge-time signal. A current-waveform detector generates a current-waveform signal by ... | 04/22/2008 |
| 7358707 | Information handling system including a power supply unit with a power converter for supplying power to multiple outputs An information handling system (IHS) includes a system board and a power supply unit, coupled to the system board. The power supply unit includes a power converter for supplying power to a first output and a second output, a switch, coupled to the power converter, f... | 04/15/2008 |
| 7359220 | Control circuit for controlling a switch based on a voltage of an auxiliary winding in a switching power supply The present invention refers to a control circuit and an associated method of controlling the output voltage of a primarily controlled power switching supply with a primary-sided switch and a transformer with an auxiliary winding, in which after opening the primary-... | 04/15/2008 |
| 7352599 | Switching power source apparatus A power-factor improving circuit applicable to a switching power source apparatus includes a rectifier having a diode bridge, a step-up reactor, a switching element, an output diode, a smoothing capacitor, a controller, and a variable reference voltage generator. If... | 04/01/2008 |
| 7319601 | Starting circuit for switching power supplies A bootstrap circuit for switching power supplies (SMPS), a switching power supply including a bootstrap circuit, and an integrated circuit of a switching power supply, are provided. The bootstrap circuit (13) for switching power supplies includes a first supp... | 01/15/2008 |
| 7315162 | Reducing power consumption of electrical meters The invention contemplates an electrical power meter and method of operating the electrical power meter. The inventive power meter includes a power supply for converting alternating current (AC) voltage to a direct current (DC) voltage for powering the electronic co... | 01/01/2008 |
| 7315462 | Stabilized power supply A stabilized power supply for X-ray tubes having a first rectifier circuit, an inverter circuit comprising main switches, a transformer, a second rectifier circuit an oscillation circuit and an inverter circuit. The power supply includes an auxiliary circuit that ca... | 01/01/2008 |
| 7310246 | Capacitor charging circuit and strobe apparatus comprising same A capacitor charging circuit does not include a Zener diode and makes it possible to integrate a large number of circuits and elements within a semiconductor integrated circuit. The capacitor charging circuit includes a flyback transformer having a primary coil, a s... | 12/18/2007 |
| 7304868 | DC converter A DC converter has a transformer with loosely coupled primary and secondary windings, a main switch connected in series with the primary winding of the transformer, and a series circuit connected to ends of one of the primary winding and main switch. The series circ... | 12/04/2007 |
| 7304867 | DC-DC converter of multi-output type A DC-DC converter of multi-output type is provided wherein a primary winding 5a is wound around core halves 5g, 5h of a transformer 5 between first and second secondary windings 5b, 5c of t... | 12/04/2007 |
| 7304595 | Current output circuit A capacitor having a capacitance value corresponding to the size of an output current generating transistor is connected between the gate terminal of the output current generating transistor and the input terminal of an inverter circuit. ... | 12/04/2007 |
| 7295450 | Primary-controlled SMPS with adjustable switching frequency for output voltage and current control The present invention relates to a method for controlling the output voltage of a primary-controlled switched-mode power supply unit having a primary-side switch and a transformer with an auxiliary winding in which an auxiliary voltage which images the output voltag... | 11/13/2007 |
| 7289342 | Output voltage stabilizer for switching mode power supply There is provided an output voltage stabilizer for stabilizing an output voltage of a switching mode power supply by elimination power bounce appearing on the output voltage of the switching mode power supply. The output voltage stabilizer mainly includes a voltage ... | 10/30/2007 |
| 7280376 | Primary side voltage sense for AC/DC power supplies capable of compensation for a voltage drop in the secondary In a method and system for providing isolated power, a flyback controller includes a transformer operable to receive a primary voltage input and generate a secondary voltage output. A switch electrically coupled in series with a primary side of the transformer recei... | 10/09/2007 |
| 7274575 | AC coupled bias circuit for power converters A switching power system for converting an input voltage to an output voltage across a transformer is disclosed. The system includes a control circuit. The control circuit has a control input coupled for receiving the output voltage and an output coupled to a primar... | 09/25/2007 |
| 7271505 | Voltage balancing in intermediate circuit capacitors A balancing circuit for voltages of a series connection of capacitors, particularly for intermediate circuit capacitors (3) of an inverter, there being at least two intermediate circuit capacitors connected in series over intermediate circuit voltage. The bal... | 09/18/2007 |
| 7269193 | Semiconductor laser driving circuit and image recording apparatus A semiconductor laser driving circuit for driving a semiconductor laser as an exposure light source is used in an image recording apparatus for recording an image using a light beam from the laser. The light beam emitted from the laser is subjected to pulse modulati... | 09/11/2007 |
| 7259972 | Primary-side-control power converter having a switching controller using frequency hopping and voltage and current control loops A power converter includes a switch and a controller. The switch switches electrical power in the power converter. The controller generates a switching signal to control the switch in response to a first feedback signal associated with a voltage control loop and a s... | 08/21/2007 |
| 7254045 | Power supply circuit and electronic equipment A power factor is improved using a simplified structure without particularly providing a power factor improving circuit, and high efficiency is obtained. For this purpose, one terminal of a direct-current power source 12, from which a pulsating current is obt... | 08/07/2007 |
| 7248487 | Switch mode power supply controllers This invention generally relates to discontinuous conduction mode switch mode power supply (SMPS) controllers employing primary side sensing. We describe an SMPS controller which integrates a feedback signal from a point determined by a target operating voltage to a... | 07/24/2007 |
| 7248486 | Energy efficient switching converter A switching converter in which an input voltage can be switched by means of at least one controlled switch to at least one primary winding of a transformer, with a control circuit for controlling the switch, to which control circuit a regulating signal in the sense ... | 07/24/2007 |
| 7245087 | Power conversion device A power conversion device has a series circuit of a main switching element and a sub-switching element connected to both ends of a DC power supply, an insulating transformer, and control circuits. The main switching and sub-switching elements are alternately turned ... | 07/17/2007 |
| 7239533 | DC power supply apparatus A DC power source device comprises a MOS-FET 5 which performs the intermittent switching operation for converting DC input from a DC power supply 1 into high frequency electric power; a control circuit 9 for turning MOS-FET 5 on and off; ... | 07/03/2007 |
| 7236379 | Passive power filter circuit The present invention discloses an improved passive power filter circuit, wherein a rated compensating voltage is provided for the power factor compensating circuit in order to solve the problem of instable power output resulting from that the rated voltage is obtai... | 06/26/2007 |
| 7236376 | Controller for regulating output current at the primary side of a power supply A controller controlling the output current at the primary side of a power supply is provided. A waveform detector generates a current-waveform signal. A second control circuit generates an oscillation signal for determining the switching frequency of a switching si... | 06/26/2007 |
| 7236086 | Power converter configuration, control, and construction A transformer having galvanically isolated windings defines a primary side and a secondary side of a power conversion apparatus. A switch couples power from a source on the primary side via the transformer to a load on the secondary side. A first circuit assembly ha... | 06/26/2007 |
| 7227350 | Bias technique for electric utility meter The invention contemplates an electrical power meter and method of operating the same, where the meter has electronic components (e.g., a power supply and a voltage sensing circuit) and receives alternating current (AC) voltage from an electrical power line. The inv... | 06/05/2007 |
| 7218532 | Switching mode power supply In one embodiment, a switching mode power supply (SMPS) include: a power supply for supplying power to a secondary coil of a transformer according to an operation of a main switch, the main switch being coupled to a primary coil of the transformer; a feedback circui... | 05/15/2007 |
| 7211969 | Power driver circuit of display panel A power driver circuit for a display panel. The power driver circuit includes a power controller, and a resident power system, which is coupled to an alternating power source and provides resident power for the power controller. When receiving an external on/off sig... | 05/01/2007 |
