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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 |
| 8185076 | Radio receiver Disclosed herein is a radio receiver including: an oscillator circuit including a phase-locked circuit and a voltage-controlled oscillator circuit; a first frequency divider circuit; a frequency converter circuit; a signal adding circuit; a test signal generating ci... | 05/22/2012 |
| 8107916 | Multi-tuner variable low IF receiver for multi-channel applications Systems and methods for demodulating a plurality of contiguous channels contained within a bandlimited portion of a radio-frequency (RF) input signal are provided. In an embodiment, the bandlimited portion of the RF input signal is down-converted to baseband. After ... | 01/31/2012 |
| 8064863 | Image rejection calibration The present invention relates to image rejection calibration in a radio frequency (RF) receiver. In one embodiment, the receiver includes a receiver front-end and an image rejection calibration system. The image rejection calibration system provides a first test sig... | 11/22/2011 |
| 7986930 | IQ imbalance image suppression in presence of unknown phase shift A wireless communication system receiver compensates a received signal containing an IQ gain imbalance prior to performing frequency correction. The IQ gain imbalance in the signal is estimated after frequency correction, providing an IQ gain imbalance estimate for ... | 07/26/2011 |
| 7941117 | Digital approach for image rejection correction in low intermediate frequency conversion tuner A method of processing an in-phase signal component and a quadrature signal component of a low intermediate frequency (LIF) signal includes estimating and correcting an amplitude imbalance between a digitized in-phase signal component and a digitized quadrature sign... | 05/10/2011 |
| 7894787 | Method and system for controlling carrier leakage in a direct conversion wireless device A system for controlling carrier leakage in a communications device includes a first mixer unit operable to receive and convert a first signal into a second signal having a higher frequency than the first signal, and to transmit the second signal, a second mixer uni... | 02/22/2011 |
| 7873342 | Low IF receiver of rejecting image signal and image signal rejection method Provided are an image signal rejection method capable of avoiding demodulation of an image signal along with a real signal in a radio frequency (RF) signal and a low IF receiver of rejecting an image signal by using the method. The low IF receiver of rejecting an im... | 01/18/2011 |
| 7822399 | Image compensation for wireless receiver A receiver (20) for use in wireless communications with plural transmitters (22) comprises transmitter selection logic (34); a signal estimator (36); and an image estimator (38). The image estimator (38) is configured to for... | 10/26/2010 |
| 7783273 | Method and system for calibrating frequencies-amplitude and phase mismatch in a receiver The receiver, which enables rejection of image signals with higher accuracy over wider frequency band, can be provided as a low IF receiver by inputting a calibration signal of frequency fi (1≦i≦N) before reception of signals and determining the frequ... | 08/24/2010 |
| 7672655 | Frequency-selective and adaptive I/Q mismatch digital compensation A phase mismatch compensation system includes a first summer that has a first input that communicates with a first phase of a received signal and an output. A second summer has a first input that communicates with a second phase of the received signal and an output,... | 03/02/2010 |
| 7519349 | Transceiver development in VHF/UHF/GSM/GPS/bluetooth/cordless telephones A digital communication circuit can be implemented can be implemented in a CMOS, or other IC structure. The digital circuit can utilize negative frequency removers or image frequency removers in the digital domain. The circuit can include mixers, switches, a complex... | 04/14/2009 |
| 7519348 | Harmonic suppression mixer and tuner A harmonic suppression mixer for down converting an RF signal to a complex I and Q baseband signal that uses a plurality of switching mixers each with a gain stage to produce a sinusoidal weighted sum of the mixer outputs. Odd harmonics output by each switching mixe... | 04/14/2009 |
| 7493097 | High dynamic range compact mixer output stage for a wireless receiver A mixer is disclosed having an output stage with an amplifier or gain device configured in a feedback loop to maintain a virtual ground at the input to the gain device. The gain device provides significant dynamic range, gain, and the appropriate impedance matching ... | 02/17/2009 |
| 7463874 | Complex digital signal channel select filter for analog cable television A fully-integrated tuner for performing signal channel selection and image rejection in an analog cable television system is provided. Various embodiments disclose a tuner including an analog RF section to process an analog RF input signal and generate complex low i... | 12/09/2008 |
| 7389101 | Use of analog-valued floating-gate transistors for parallel and serial signal processing Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circu... | 06/17/2008 |
| 7389098 | Heterodyne receiver for low noise and image frequency repression Disclosed is a heterodyne receiver for low noise and image frequency repression, comprising: a low noise amplifier for receiving an input signal from an antenna and amplifying the signal while reducing a noise figure of the input signal; and a frequency converter fo... | 06/17/2008 |
| 7373131 | Signal processing method and signal processing apparatus A signal input into an input terminal 1 is input into mixers 2, 4, and down-converted with local signals having a phase difference of 90 degrees, respectively, whereby an I-signal and a Q-signal are obtained. An output signal from the mixer 4 is... | 05/13/2008 |
| 7369835 | Image rejection mixer providing precision image rejection An image rejection mixer includes a first mixer, a second mixer, a first output adjust circuit, and a second output adjust circuit. The first mixer is coupled to receive an input RF signal and a local oscillator signal and includes a first mixer stage and a first ou... | 05/06/2008 |
| 7362384 | Apparatus and method for feed-forward image rejection in a dual conversion receiver A receiver portion includes a bandpass filter (e.g. SAW filter) that performs channel selection from an input signal having a plurality of channels, and an image cancellation circuit that is in parallel with the bandpass filter. The bandpass filter performs channel ... | 04/22/2008 |
| 7356324 | Mobile radio receiver device The invention is directed to a receiver arrangement, for example, in a mobile radio, which allows the use of slowly locking phase locked loops for a point-to-point connection between two transceivers, even in the case of a heterodyne receiver structure. The need to ... | 04/08/2008 |
| 7346324 | Grounded-emitter circuit, and high-frequency receiver and high-frequency transmitter using the same A grounded-emitter circuit is composed of a transistor, a first impedance circuit, and a second impedance circuit. The transistor is an NPN transistor, and the base of the transistor is an input terminal of the grounded-emitter circuit. The emitter of the transistor... | 03/18/2008 |
| 7343146 | Single chip LNA and VCO having similar resonant circuit topology and using same calibration signal to compensate for process variations In one aspect this invention provides a radio frequency receiver for coupling to an antenna. The receiver includes a downconversion mixer, an amplifier having an input coupled to the antenna and an output coupled to a first input of the mixer for providing a receive... | 03/11/2008 |
| 7333791 | Use of an image reject mixer in a forward data channel tuner Disclosed are systems and methods which utilize an image reject mixer in an out-of-band mixer application such as in a forward data channel frequency converter. For example, according to a preferred embodiment, an image reject mixer is utilized to provide a relative... | 02/19/2008 |
| 7330707 | Hetrodyne receiver and IC In a heterodyne receiver, the effect of an image interference signal that occurs in a case where a low intermediate frequency is used is alleviated. Circuits (12I), (12Q), (13I), (13Q), and (14) are provided to switch a heterodyne ... | 02/12/2008 |
| 7266357 | Reduced local oscillator feedthrough quadrature image reject mixer An RF communications circuit having a reduced LO feed through image reject mixer is disclosed. The image reject mixer includes a quadrature phase transconductance stage coupled to a quadrature phase mixer of a quadrature phase mixer module and an in-phase mixer of a... | 09/04/2007 |
| 7263344 | Method for reducing IM2 noise in a down conversion circuit The present invention relates generally to communications, and more specifically to a method and apparatus for minimizing DC offset and second-order modulation products (IM2 noise) while demodulating RF signals. The principle of the invention can be applied to diffe... | 08/28/2007 |
| 7251466 | Television receiver including an integrated band selection filter A tuner circuit includes a band selection filter coupled to receive an input RF signal and provide a band selected output signal where the band selection filter includes a bank of band pass filters. Each band pass filter includes an inductor and a variable capacitor... | 07/31/2007 |
| 7215938 | Radio-frequency receiver and integrated circuit for use in receiver A radio-frequency (RF) receiver includes an input terminal for receiving RF signals in a first frequency band and a second frequency band lower than the first frequency band, a first tuned filter allowing a signal of a passing frequency in the RF signal in the first... | 05/08/2007 |
| 7190733 | Memoryless spectrum correction algorithm for non-ideal I/Q demodulators An algorithm for correcting the output of an analog I/Q demodulator without the need for calibration or storing state information. The output of the analog I/Q demodulator is digitized, and the discrete-time samples are divided into segments. A digital frequency tra... | 03/13/2007 |
| 7184724 | System and method for frequency translation using an image reject mixer Frequency translation, such as frequency up conversion of a video baseband or intermediate frequency to a desired frequency division broadcast channel, is provided utilizing a single sideband or image reject mixer and filtering having relaxed selectivity requirement... | 02/27/2007 |
| 7155189 | AM receiver An AM receiver with at least one IF filter with a fixed IF bandwidth comprises at least one downconversion stage (3, 4, 5) to shift the signal input thereto into an IF range (IF1) having a variable oscillation frequency (fLO1) which is adjus... | 12/26/2006 |
| 7151919 | Method for forming an intermediate frequency signal in a mixer, and a mixer The invention relates to a method for forming at least two intermediate frequency signals with different phases in a mixer (1), to which a first signal (RF) and a second signal (LO) are conducted. According to the method, the first intermediate frequency sign... | 12/19/2006 |
| 7142833 | Matching unit A matching unit includes a switching means for switching an inductance of a first inductor. This switching means sets an inductance such that a first inductor shows an inductance property to both of the VHF low-band and high-band, and shows a capacitance property to... | 11/28/2006 |
| 7130604 | Harmonic rejection mixer and method of operation A radio frequency (RF) demodulation circuit comprising a harmonic rejection mixing stage capable of receiving and mixing an incoming radio frequency (RF) signal having a frequency RF and a reference local oscillator (LO) signal having a frequency LO and generating a... | 10/31/2006 |
| 7116961 | Image rejection quadratic filter An image rejection quadratic filter is tunable to filter image frequencies over a wide band. In one embodiment, the image rejection filter includes in-phase and quadrature phase mixers. The image rejection has a fractional transfer function. The image rejection filt... | 10/03/2006 |
| 7116960 | Image-rejecting antenna apparatus An image-rejecting antenna apparatus includes an antenna unit for receiving or transmitting a wireless signal and an image-reject unit for removing an image component signal having a predetermined frequency from among signals received from the antenna unit. In an im... | 10/03/2006 |
| 7039382 | DC offset calibration for a radio transceiver mixer A mixer for a radio transceiver includes a commutating mixer switch having a first differential input port coupled to a DC offset cancellation path. The first differential input port of the mixer switch includes a first terminal coupled to a first end of a first res... | 05/02/2006 |
| 7031686 | Image rejection mixer with mismatch compensation An image rejection mixer (IRM) for rejecting signals having image frequency and, more particularly, a mixer for rejecting signals of image frequency by using mismatch compensation is provided. The image rejection mixer comprises: first and second mixers; first and s... | 04/18/2006 |
| 7013120 | Walking weaver image reject mixer for radio Methods and apparatus for implementing image rejection in radio receivers or transmitters includes a Weaver image reject mixer modified so that only one local oscillator is used for the highest mixing frequency, and subsequent lower frequency mixing signals fed to t... | 03/14/2006 |
| 6993295 | Weaver image reject mixer with fine resolution frequency step size Methods and apparatus, in accordance with the present invention, use at least two phase-locked loop based frequency synthesizers to provide a synthesized frequency output having a step size of X, where X is less than the step size of any of the at least two phase-lo... | 01/31/2006 |
