Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7444123 | Transmitter and mobile communication terminal using the same With a dual mode transmitter capable of handling two modulation methods for nonconstant amplitude modulation and constant amplitude modulation, respectively, speed-up of transition between modes is implemented. In a mode handling the constant amplitude modulation, f... | 10/28/2008 |
| 7405616 | Nested transimpendance amplifier A differential transimpedance amplifier circuit comprises first, second, third and fourth operational amplifiers having a first inverting input, a first non-inverting input, a first inverting output and a first non-inverting output. A first feedback element communic... | 07/29/2008 |
| 7403067 | Compensation circuit for amplifiers having multiple stages An amplifier circuit comprises a first capacitance having one end that communicates with an input of a first amplifier stage. An amplifier has a first gain, an input that communicates with an opposite end of the first capacitance, and an output. A second capacitance... | 07/22/2008 |
| 7366427 | Line driver with variable bandwidth control A method and apparatus to provide bandwidth control in a high speed line driver circuit is described. ... | 04/29/2008 |
| 7359136 | TMR/GMR amplifier with input current compensation An amplifier system with feedback current cancellation comprises an amplifier, a feedback network, first and second unity-gain buffers, a second resistance, and a current mirror. The amplifier includes an input, an output, and at least one stage. The feedback networ... | 04/15/2008 |
| 7355471 | Circuit for DC offset cancellation A circuit having multiple overlapped feedback loops for DC offset cancellation is provided with applying in one of multistage amplifier, multistage filter, and the combination thereof. The circuit includes a plurality of negative feedback variable bandwidth switches... | 04/08/2008 |
| 7352246 | Noise-shaping amplifier with waveform lock A generalized amplifier architecture is described which employs noise-shaping feedback, and for which the output waveform closely resembles the input waveform. ... | 04/01/2008 |
| 7304536 | Nested transimpendance amplifier A nested transimpedance amplifier (TIA) circuit includes a zero-order TIA having an input and an output. A first operational amplifier (opamp) has an input that communicates with the output of the zero-order TIA and an output. A first feedback resistor has one end t... | 12/04/2007 |
| 7304535 | Balanced amplifier A balanced amplifier is disclosed as comprising an input stage connected with a second stage, in which the input stage outputs signals to the second stage, and the first stage includes a first differential amplifier for receiving balanced input signals and is provid... | 12/04/2007 |
| 7292097 | Amplifier and method for processing signals In some embodiments, an apparatus includes an amplifier circuit and a bias circuit coupled to the amplifier. The amplifier circuit includes an input port and an output port, an input port circuit element coupled to the input port, an output port circuit element coup... | 11/06/2007 |
| 7289286 | TMR/GMR amplifier with input current compensation An amplifier system with feedback current cancellation comprises an amplifier having at least one stage, a feedback network, first and second replica circuits, first and second unity-gain buffers, a second resistance, and a current mirror. The feedback network inclu... | 10/30/2007 |
| 7283840 | Reconfigurable analog baseband for a single-chip dual-mode transceiver A dual-mode analog baseband circuit is implementable on a single IC with reduced chip area. The baseband portion of the IC includes a single dual-mode complex filter that is reconfigurable to be a filter for Bluetooth signals or for wireless local area network (wire... | 10/16/2007 |
| 7279970 | Feedback circuit For reducing various adverse effects due to provision of a low-pass filter, while suppressing an oscillation generated therein, there is provide a feedback circuit, having at least one operational amplifier, having a low-pass filter in an output portion thereof, for... | 10/09/2007 |
| 7276965 | Nested transimpedance amplifier A nested transimpedance amplifier (TIA) circuit includes a zero-order TIA having an input and an output. A first operational amplifier (opamp) has an input that communicates with the output of the zero-order TIA and an output. A first feedback resistance has one end... | 10/02/2007 |
| 7239202 | Variable-gain constant-bandwidth transimpedance amplifier A transimpedance amplifier (TIA) circuit comprises a first operational transconductance amplifier (OTA) having an input and an output. A second OTA has an input and an output. A third OTA has an input that communicates with the output of the first OTA and an output ... | 07/03/2007 |
| 7215191 | Device for amplitude adjustment and rectification made with MOS technology An amplitude adjustment device such as an amplitude compression device and amplitude expansion device is basically configured by a PWM modulator, a demodulator and an amplitude detector. Herein, the PWM modulator effects pulse-width modulation on an input signal to ... | 05/08/2007 |
| 7173486 | Nested transimpedance amplifier with capacitive cancellation of input parasitic capacitance A nested transimpedance amplifier (TIA) circuit comprises a zero-order TIA having an input and an output. A first transconductance amplifier has an input that communicates with said output of said zero-order TIA and an output. A first feedback resistance has one end... | 02/06/2007 |
| 7154333 | Amplifier for inductive loads An amplifier circuit controls the output current through an inductive load. A signal is amplified by one or more op amps, and sourced into a back to back coupling of an NPN transistor and a PNP transistor. In a positive circuit segment, current is sourced to an indu... | 12/26/2006 |
| 7116164 | Variable-gain constant-bandwidth transimpedance amplifier An amplifier circuit includes a first operational transconductance amplifier (OTA) having an input and an output. A second OTA has an input that communicates with the output of the first OTA and an output. A first feedback path communicates with the input and the ou... | 10/03/2006 |
| 7023271 | Variable-gain constant-bandwidth transimpedance amplifier A transimpedance amplifier (TIA) circuit according to the present invention includes a first opamp having an input and an output. A second opamp has an input that communicates with the first opamp and an output. A first feedback path communicates with the input and ... | 04/04/2006 |
| 7010284 | Wireless communications device including power detector circuit coupled to sample signal at interior node of amplifier A multi-stage amplifier is coupled with a power detector. The multi-stage amplifier includes a plurality of amplifier stages in series, with a signal path extending through them. The power detector is coupled to an interior node of the amplifier along the signal pat... | 03/07/2006 |
| 7002409 | Compensation circuit for amplifiers having multiple stages A compensation circuit is provided for an amplifier including at least first and second amplifier stage. The circuit includes a first capacitance including one end that communicates with an input of the first amplifier stage. An amplifier includes a first gain, an i... | 02/21/2006 |
| 7002410 | Adaptive linearization technique for communication building block The present invention is directed to a linearization apparatus and method. Preferred embodiments according to the present invention can combine an auxiliary non-linear block to a functional block of a system to increase linearity of an output signal of the system su... | 02/21/2006 |
| 6931331 | Measurement interface optimized for both differential and single-ended inputs Offset adjustments for both differential and single-ended measurements are accomplished in the same probe or system. Different variable offsets are provided for the positive and negative inputs of a differential amplifier, and a variable offset adjustment is provide... | 08/16/2005 |
| 6836182 | Nested transimpedance amplifier A nested transimpedance amplifier (TIA) circuit includes a zero-order TIA having an input and an output. A first operational amplifier (opamp) has an input that communicates with the output of the zero-order TIA and an output. A first feedback resistor has one end t... | 12/28/2004 |
| 6801087 | Integrated circuit with an analog amplifier An integrated circuit includes an analog amplifier connected to a terminal pad and has a Miller compensation of a section of the analog amplifier. The Miller compensation circuit is connected to a terminal for reference-ground potential through a capacitive element.... | 10/05/2004 |
| 6762644 | Apparatus and method for a nested transimpedance amplifier A nested transimpedance amplifier (TIA) circuit includes a zero-order TIA having an input and an output. A first operational amplifier (opamp) has an input that communicates with the output of the zero-order TIA and an output. A first feedback resistor has one end t... | 07/13/2004 |
| 6756851 | Transimpedance amplifier Transimpedance amplifier having an input stage (1) to which an input current to be amplified is fed and an output stage (2) which outputs an output voltage (uo) corresponding to the amplified input current. By means of a current control circ... | 06/29/2004 |
| 6580326 | High-bandwidth low-voltage gain cell and voltage follower having an enhanced transconductance A voltage buffer and follower includes a single ended output, a source follower, and a current feedback loop. The current feedback loop is coupled to the source follower and to the single ended output. When two voltage followers are used in a differential... | 06/17/2003 |
| 6552605 | Differential transimpedance amplifier for optical communication A differential transimpedance amplifier includes a differential transconductance stage to provide a current to a differential transimpedance stage. The differential transimpedance stage includes two gain stages and provides a voltage. A first feedback ele... | 04/22/2003 |
| 6446263 | Anti-loading CATV interface circuit and method A video interface circuit reduces loading losses when a video system component, such as a television receiver, is connected to a transmission line by amplifying the video signal with a high frequency amplifier and providing positive feedback of the amplif... | 09/03/2002 |
| 6388516 | Precision high speed magnetic coil driver circuit Accuracy of correction of offset drift with temperature and noise are corrected in a high voltage, high current amplifier is improved by thermal isolation and/or temperature regulation of another amplifier having greater gain and connected to a different ... | 05/14/2002 |
| 6177963 | Video signal distribution system A video signal distribution system comprises an interface device and video signal input means for receiving TV signals on broadcast channels connected to the interface device. A plurality of video appliances and a plurality of TV sets may be connected to ... | 01/23/2001 |
| 6175275 | Preamplifier with an adjustable bandwidth A preamplifier includes an output stage having a bandwidth which is adjustable by a control signal. The output stage includes an amplifier with an adjustable bandwidth. The amplifier includes a main input for receiving an input current, a main output for ... | 01/16/2001 |
| 6163211 | Cascode amplifier with positive feedback for high frequency performance and method for operating and optimizing such amplifier A cascode amplifier which includes a cascode amplifier stage, an output node (coupled directly or indirectly to the cascade amplifier stage), and positive feedback circuitry coupled between the output node and the cascade amplifier stage (or positive feed... | 12/19/2000 |
| 6140879 | Cascode amplifier with positive feedback for high frequency performance and method for operating and optimizing such amplifier A cascode amplifier which includes a cascade amplifier stage, an output node (coupled directly or indirectly to the cascode amplifier stage), and positive feedback circuitry coupled between the output node and the cascode amplifier stage (or positive feed... | 10/31/2000 |
| 6028487 | Negative-feedback amplifier circuit capable of independently controlling a gain and an impedance A plurality of field effect transistors (FET's) (11, 12) are coupled in cascode connection. A drain of the final-stage FET (12) is coupled to a gate of the first-stage FET (11) through a first negative-feedback circuit (13). A drain of the first-stage FET... | 02/22/2000 |
| 5371479 | Pre-amplifier with multi-stage feedback A circuit for amplifying an input signal comprises an operational amplifi a dual operational amplifier, and a buffering operational amplifier all cascaded in the aforementioned order. The first operational amplifier amplifies the input signal with minimu... | 12/06/1994 |
| 5166639 | High gain mololithic microwave integrated circuit amplifier Linear high gain (greater than 20 dB) and high power (greater than +20 dbm) devices for RF power amplifiers are achieved using either fully monolithic or hybridized versions of silicon MMIC two-stage cascaded amplifiers. The device features three feedback... | 11/24/1992 |
| 4574253 | Broadband control amplifier Broadband control amplifier having a wide control range and comprising a differential amplifier in the negative feedback loop. An auxiliary coupling is provided in the feedback loop having a transfer factor which renders the open loop gain independent of ... | 03/04/1986 |
