Bizarre Patents
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 |
| 8159287 | Transistor device and method A field-effect transistor device, including: a semiconductor heterostructure comprising, in a vertically stacked configuration, a semiconductor gate layer between semiconductor source and drain layers, the layers being separated by heterosteps; the gate layer having... | 04/17/2012 |
| 7936210 | Gallium nitride traveling wave structures A traveling wave device employs an active Gallium Nitride FET. The Gallium Nitride FET has a plurality of gate feeding fingers connecting to an input gate transmission line. The FET has a drain electrode connected to an output drain transmission line with the source... | 05/03/2011 |
| 7598802 | Semiconductor integrated circuit apparatus and electronic apparatus A semiconductor integrated circuit apparatus and an electronic apparatus having a power control function configured from power control MOS transistors such that leakage current and on-resistance at the time of cut-off is sufficiently small in actual use. The semicon... | 10/06/2009 |
| 7453315 | Active inductive load that enhances circuit bandwidth An active load including a current source, a first resistive element, and a switch. The current source is configured to provide a bias current and the first resistive element is configured to receive the bias current and provide a bias voltage. The switch has an inp... | 11/18/2008 |
| 7443232 | Active load arrangement An active load arrangement is used to provide proper output load to an object TO under test. The arrangement Z comprises a voltage_controlled transistor MOSFET having a source S, a gate G and a drain D. The drain D is associated with the gate G and connected to an a... | 10/28/2008 |
| 7271640 | Mixer circuit with bypass and mixing modes having constant even order generation and method of operation A mixer circuit configured to operate in a bypass or mixing mode, and which comprises a mixer core, and a mode select circuit. The mixer core includes first and second switches, each of which has an input, and first and second outputs. The mode select circuit is cou... | 09/18/2007 |
| 7262584 | Efficient fast pulsed laser or light-emitting diode driver A capacitor is connected to the output of a multiphase power converter, and a current-driven device (e.g., LED or laser diode) is also connected to the power converter output. A solid state switch (FET or IGBT) is connected in series with the current-driven device. ... | 08/28/2007 |
| 7233199 | Circuit and method of establishing DC bias levels in an RF power amplifier A method and apparatus is used to provide DC stabilization and noise reduction in a multistage power amplifier. The invention uses various feedback techniques to stabilize DC levels, which helps to reduce noise. The invention also uses other techniques to reduce noi... | 06/19/2007 |
| 7199698 | Digitally-controlled reference oscillators Varactor and reference oscillator structures are provided that are particularly suited for integrated circuit fabrication and which provide excellent parameter performance (e.g., monotonicity, linearity, low phase noise and low differential and integral non-linearit... | 04/03/2007 |
| 7196479 | Electronic ballast having a protective circuit for a switching transistor of a converter The invention relates to an electronic ballast for lamps having a converter, in which a switching transistor is protected against transient disturbances by a detection circuit C1, C2, R1, R2, D1–3, T1. In this case, the ti... | 03/27/2007 |
| 7196379 | MOS capacitor device A semiconductor device in which a dielectric breakdown of a gate oxide in a MOS capacitor can be prevented and in which a circuit area can be reduced. The semiconductor device comprises an NMOS transistor a gate of which is connected to a terminal VDD on a high pote... | 03/27/2007 |
| 7193456 | Current conveyor circuit with improved power supply noise immunity A current conveyor circuit with improved power supply noise immunity. Additional biasing circuitry causes the nominal biasing potential applied to the output circuit to be increased, thereby producing a corresponding increase in the magnitude of noise voltage needed... | 03/20/2007 |
| 7180383 | Arrangement with a capacitor which can be connected into a circuit and disconnected therefrom and associated method An arrangement and a method for connecting a capacitor into a circuit and disconnecting it therefrom are disclosed. The capacitor includes two capacitor elements, each with a main terminal and an auxiliary terminal. The auxiliary terminals are connected to one anoth... | 02/20/2007 |
| 7157951 | Digital clock manager capacitive trim unit A delay line for a digital clock manager includes a tap delay structure and a trim delay structure. The trim delay structure includes a first buffer coupled to receive a clock signal from the tap delay structure, and in response, provide a delayed clock signal to a ... | 01/02/2007 |
| 7154329 | Method and apparatus for compensating amplifier output for temperature and process variations An amplifier circuit includes a calibration circuit with a controllable circuit element such as a digital resistor. One or more properties of the controllable circuit element (e.g., the resistance in a digital resistor) is varied by a digital calibration word such t... | 12/26/2006 |
| 7113045 | Power amplifier input structure having a differential output A method and apparatus provides an input structure for a power amplifier. In one example, the input structure has an input network and a predriver circuit to provide an input signal to the power amplifier. The input network includes a transformer for helping to main... | 09/26/2006 |
| 7071507 | High-voltage CMOS-compatible capacitors A high-voltage stacked capacitor includes a first capacitor and a second capacitor. Each capacitor includes a first plate comprising a first semiconductive body and a second plate comprising a floating electrode. The first and second semiconductive bodies are electr... | 07/04/2006 |
| 7064605 | Circuit and method of establishing DC bias levels in an RF power amplifier A method and apparatus is used to provide DC stabilization and noise reduction in a multistage power amplifier. The invention uses various feedback techniques to stabilize DC levels, which helps to reduce noise. The invention also uses other techniques to reduce noi... | 06/20/2006 |
| 7031128 | Power circuit protection apparatus A power circuit protection apparatus halting an operation of a pulse width modulation (PWM) controller when an abnormal state is generated due to an open or short in a secondary side winding of a transformer is provided. The apparatus includes: a transformer; an out... | 04/18/2006 |
| 6977549 | Differential circuit, amplifier circuit, driver circuit and display device using those circuits A differential circuit and an amplifier circuit for reducing an amplitude difference deviation, performing a full-range drive, and consuming less power are disclosed. The circuit includes a first pair of p-type transistors and a second pair of n-type transistors. A ... | 12/20/2005 |
| 6888396 | Multi-cascode transistors A cascode circuit with improved withstand voltage is provided. The cascode circuit includes three or more transistors, such as MOSFET transistors. Each transistor has a control terminal, such as a gate, and two conduction terminals, such as a drain and a source. The... | 05/03/2005 |
| 6867634 | Method for detecting the null current condition in a PWM driven inductor and a relative driving circuit A method for detecting a null current condition in a PWM driven inductor connected between a voltage source node and a second circuit node of a line for outputting current to a load includes generating a derivative signal by time differentiating a voltage on the sec... | 03/15/2005 |
| 6838957 | Differential metal oxide semiconductor capacitor According to an embodiment of the present invention, a capacitor comprising field effect transistors and a bias transistor. ... | 01/04/2005 |
| 6798278 | Voltage reference generation circuit and power source incorporating such circuit A voltage reference generation circuit is disclosed including a voltage reference generating stage and a voltage reference output stage, in which a depletion-mode MOS transistor and an enhancement-mode MOS transistor are connected in series, and the junction formed ... | 09/28/2004 |
| 6700149 | Circuit configuration for forming a MOS capacitor with a lower voltage dependence and a lower area requirement A circuit configuration for providing a capacitance includes short-channel MOS transistors that are reverse-connected in series or in parallel, and that have the same channel type. When the short-channel MOS transistors are operated exclusively in the dep... | 03/02/2004 |
| 6683471 | Power detector using FET transistor The present invention relates to a circuitry for detecting the power of a RF signal (7) comprising a FET transistor (1) connected in parallel to two inputs (2, 2') for supplying the RF signal and two outputs (13, 13') for detecting the power of the RF sig... | 01/27/2004 |
| 6657266 | Semiconductor switching device A switching circuit device has a first FET and a second FET, and operates with single control terminal. The device also has a common input terminal connected to the drain or source electrode of the two FETs, a first output terminal and a second output ter... | 12/02/2003 |
| 6650169 | Gate driver apparatus having an energy recovering circuit A novel gate driver apparatus in which an energy recovery circuitry is incorporated in a square-wave gate driver. The energy recovery circuitry has a first loop circuit for discharging the energy from the gate capacitor to an inductor when the gate driver... | 11/18/2003 |
| 6624683 | Threshold voltage reduction of a transistor connected as a diode A circuit design of a transistor connected as a diode, in particular to a design able to reduce the threshold voltage of the transistor and equal to the difference of the threshold voltage of the used transistors in the circuit disposal. The circuit desig... | 09/23/2003 |
| 6600241 | Method and apparatus for compensating for ionizing radiation induced threshold shift in metal oxide semiconductor field effect transistors A compensation circuit and method for compensating for the threshold shift in an irradiated MOSFET. The method determines the gate threshold voltage to body voltage relationship to vary the body voltage with radiation. The compensation circuit (10) has at... | 07/29/2003 |
| 6552583 | ESD-protection device with active R-C coupling to gate of large output transistor Large output driver transistors are used to shunt electro-static-discharge (ESD) pulses. ESD pulses are capacitivly coupled to the gates of the large driver transistors by R-C networks. The capacitive coupling causes a gate-to-source voltage to exceed the... | 04/22/2003 |
| 6538907 | Voltage drop DC-DC converter A voltage drop DC-DC converter includes a switch circuit including a plurality of switches for alternately connecting a first and second capacitors in series and in parallel in response to an output signal of an oscillator circuit oscillating at a constan... | 03/25/2003 |
| 6492866 | Electronic circuit with bulk biasing for providing accurate electronically controlled resistance A circuit arrangement for generating an electronically controlled electrical resistance by apparatus of at least one MOS transistor. A source-drain junction of the MOS transistor is used for the generation of the electrical resistance between a first and ... | 12/10/2002 |
| 6437607 | Non linear circuit for open load control in low-side driver type circuits Non linear circuit for open load control in Low-Side Driver type circuits, including at least two power transistors, scaled according to an area ratio 1 to M, with M>1, wherein the power transistor having the smaller area is controlled by a circuit input ... | 08/20/2002 |
| 6377115 | Integrated potentiometer and corresponding fabrication process A process and an integrated circuit are intended for obtaining an adjustable electrical resistance, in which a first voltage is applied to an integrated MOS transistor on its source, its gate and its substrate, and a second voltage is applied on its drain... | 04/23/2002 |
| 6154085 | Constant gate drive MOS analog switch A constant gate drive metal-oxide semiconductor ("MOS") analog switch. In one embodiment, the analog switch includes first, second, and third devices, and a level shifter. The first device includes a source coupled to an input terminal, a drain coupled to... | 11/28/2000 |
| 6124740 | Low power class AB unity gain buffer circuit A circuit for providing unity gain buffering of an input signal with reduced power consumption and symmetrical load driving capability. A feedback circuit between a buffer transistor and a bias circuit modulates the bias current to the buffer transistor. ... | 09/26/2000 |
| 6087896 | Compensation technique using MOS capacitance Two FET transistors provide an electrical circuit characterized by a stable capacitance across a wide range of input voltages and temperture fluctuations. Additionally, the transistors provide a capacitive compensation circuit which stabilizes the output ... | 07/11/2000 |
| 6087862 | Power MOSFET including internal power supply circuitry An N-channel power MOSFET includes a storage capacitor and a pair of diodes connected between the gate and drain terminals, respectively, and the capacitor. Since at any given time the voltage at either the drain or the gate of the MOSFET is high, a charg... | 07/11/2000 |
| 5929690 | Three-terminal power MOSFET switch for use as synchronous rectifier or voltage clamp An N-channel power MOSFET is fabricated with its source and body connected together and biased at a positive voltage with respect to its drain. The gate is controlled by a switch which alternately connects the gate to the source or to a voltage which turn... | 07/27/1999 |
