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Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 8169259 | Active filter, delta-sigma modulator, and system An active filter includes a first filter and a second filter. The first filter receives an input signal, and generates a first output signal by filtering the input signal. The second filter receives the first output signal during a time period adjusted based on a va... | 05/01/2012 |
| 8120417 | Transfer-function control in an active filter A filter circuit includes a differential amplifier circuit to provide a number of poles including a dominant pole, and a feedback circuit to feed a portion of an output of the differential amplifier circuit to an input of the differential amplifier circuit. The feed... | 02/21/2012 |
| 8044711 | Clock signal noise shaping A method and apparatus for clock signal noise shaping are described. Embodiments of a clock circuit include a filter coupled to receive an input clock signal and to provide an output clock signal. The filter filters noise of the input clock signal to shape the noise... | 10/25/2011 |
| 8044710 | Filter cut-off frequency correction circuit A filter cut-off frequency correction circuit, inputted with a step function increasing from a first voltage to a second voltage, comprises a linear passive filter, for integrating the step function to obtain a third voltage; a first comparator, outputting a first h... | 10/25/2011 |
| 7969238 | Active filter having a multilevel topology A cost-effective device for influencing the transmission of electrical energy of an alternating voltage line with a plurality of phases has phase modules, which each have an alternating voltage terminal for connecting to a phase of the alternating voltage line and t... | 06/28/2011 |
| 7961038 | Digital proportional integral loop filter A digital proportional integral loop filter is provided. A first proportional amplification unit multiplies a phase error value by a first proportional loop gain, and a first integral amplification unit multiplies a phase error accumulation value by a first integral... | 06/14/2011 |
| 7948306 | Active power filter method and apparatus This disclosure provides active power filter methods and apparatus to control the PF, harmonics and/or ripple current associated with powering electrical devices. According to one exemplary aspect, an active power filter is configured to measure the momentary ac lin... | 05/24/2011 |
| 7911264 | Method for reconstructing a noise-reduced periodic voltage signal A method of reconstruction of a fault-reduced voltage signal corresponding in frequency, amplitude and phase position to a sinusoidal input voltage fault-prone in frequency, amplitude and/or phase position is provided. The input voltage is fed to a first band-pass f... | 03/22/2011 |
| 7855594 | Fine gain and phase adjustment of analog quadrature filters Methods and apparatus to fine gain and/or phase adjustment of analog quadrature filters are described. In one embodiment, gain and/or phase of an analog quadrature filter may be digitally controlled by switching one or more resistors coupled to the quadrature filter... | 12/21/2010 |
| 7800434 | Edge detect receiver circuit A digital signal detector detects digital signals by only sensing the rising and falling edges of a received digital signal and latches the logic state between the detected edges. Such edges contain very high frequencies that are much higher than the fundamental fre... | 09/21/2010 |
| 7791407 | Technique for improving antialiasing and adjacent channel interference filtering using cascaded passive IIR filter stages combined with direct sampling and mixing A technique of improving antialiasing and adjacent channel interference filtering uses cascaded passive IIR filter stages combined with direct sampling and mixing. The methodology and related architecture allows for increased passive IIR filtering without necessitat... | 09/07/2010 |
| 7760012 | High linearity gmC filter A second order analog filter based on transconductance amplifiers and capacitors (gmC) has good linearity at low operating voltage by using linear active transconductance amplifiers with gains determined by physical resistors and output current mirrors in a positive... | 07/20/2010 |
| 7733165 | Circuit arrangement with interference protection A circuit arrangement with an interference protection is disclosed, including a supply line and a ground line, a first circuit and a second circuit. Each of the first and second circuit is connected to the supply line and to the ground line. The circuit arrangement ... | 06/08/2010 |
| 7719348 | Capactive filter device incorporating a switching arrangement A filter device is disclosed that includes a switched capacitor circuit. ... | 05/18/2010 |
| 7705665 | Digital tuning circuit of GM-C filter Provided is a tuning circuit of a Gm (transconductance)-C (capacitance) filter. The tuning circuit tunes a transconductance using direct current incorporating variations of a capacitance, instead of a clock signal, in a Gm tuning mode, while us... | 04/27/2010 |
| 7705666 | Filler circuit cell A filler circuit cell is disclosed. The filler circuit cell includes a decoupled capacitor, a tie low circuit and a tie high circuit. The decoupled capacitor includes a first NMOS transistor and a first PMOS transistor, in which the source/drain of the first NMOS tr... | 04/27/2010 |
| 7683703 | Active filter An active filter comprising a first stage (10), a second stage (20) and a third stage (30), each of them being provided with a respective operational amplifier (11, 21, 31); a feedback branch (50) defined by a resistor (51) ... | 03/23/2010 |
| 7679431 | Low flicker noise mixer and buffer Low flicker noise mixer and buffer. This design employs some native metal oxide semiconductor field-effect transistors (MOSFETs) (e.g., having no threshold voltage) within a passive mixer whose gates are driven using clock signals. These native MOSFETs maybe biased ... | 03/16/2010 |
| 7659774 | Filter circuit The present invention addresses a need for reducing the power consumption in a baseband filter used in a front-end wireless receiver while providing the necessary linearity. In particular, relatively high linearity can be obtained with lower power consumption than h... | 02/09/2010 |
| 7639070 | Switching circuit in a phase locked loop (PLL) to minimize current leakage in integrated circuits In an apparatus and method for reducing current leakage in a phase locked loop (PLL), a pair of resistive divider circuit is coupled to receive a pair of differential input signals and provide a pair of differential output signals. A timing control circuit controls ... | 12/29/2009 |
| 7629836 | Active EMC filter for machine tools An active EMC filter for machine tools allows reducing the leakage current normally induced by large phase-to-ground capacitances. The filter may comprise an active shunt module or an impedance converter or a correction signal generator and is suitable both for thre... | 12/08/2009 |
| 7626449 | Apparatus and method for tuning center frequency of a filter A method for tuning a filter is provided. The method includes: enabling a VCO circuit, wherein at least a portion of the VCO circuit is selected from the filter; generating an oscillation signal by the VCO circuit according to a driving signal; comparing the oscilla... | 12/01/2009 |
| 7616052 | Fast adapting filter Adjustable gain circuits (AGCs) within serial filter stages are initialized to maximum gain. The output of each AGC is then sampled and converted to digital representation for use by control logic in setting the gain for the respective AGC. The gain adjustment decis... | 11/10/2009 |
| 7592863 | Optimized gain filtering technique with noise shaping A noise shaping and voltage gain filtering third order electrical circuit and method comprises at least one pair of input resistors; a Frequency Dependent Negative Resistance (FDNR) filter positioned in between the at least one pair of input resistors; a feedback re... | 09/22/2009 |
| 7586366 | Complex filter circuit Disclosed is a complex elliptic filter having an order of three or higher which receives two differential signals that differ in phase from each other by 90 degrees are applied and outputs two differential signals that differ in phase from each other by 90 degrees. ... | 09/08/2009 |
| 7573326 | Forwarded clock filtering A tunable bandpass filter to provide a filtered differential clock signal in response to an input differential clock signal, where an embodiment comprises a transistor pair loaded by tunable loads, and a feedback circuit to tune the tunable loads. In some embodiment... | 08/11/2009 |
| 7541863 | Transferred-impedance filtering in RF receivers The specification and drawings present a new method and apparatus for using transferred-impedance filtering in RF (radio frequency) receivers (e.g., inside of a mobile communication device), wherein said filtering can be done with MOS-switches transferring impedance... | 06/02/2009 |
| 7525372 | Noise shaped th order filter A low noise nth order filter, system, and method includes a plurality of nested general immittance converters (GICs) operatively connected to one another in successive GIC stages; and a capacitor operatively connected to each of the GICs, wherein a first successive ... | 04/28/2009 |
| 7521990 | Noise reduction circuits A noise reduction circuit for AC power, AC power neutral lines, and DC power. In a first embodiment for use with AC power, the invention operates by subtracting the error voltage from an incoming AC signal boosted in voltage by a small boost transformer. In a second... | 04/21/2009 |
| 7511570 | Transconductance filtering circuit A transconductance filtering device with a flexible architecture that can selectively present a different topology and/or order beginning with the same initial structure is disclosed. For example, depending on the communications standard detected, the elementary cel... | 03/31/2009 |
| 7504879 | Transconductor and filter circuit A transconductor and filter circuit is described. In one embodiment, a front end module within the transconductor and filter circuit converts a differential input voltage signal into a differential output current and supplies the output current at a differential out... | 03/17/2009 |
| 7471141 | Filter circuit Disclosed is a filter circuit with an order of three or more, comprising at least one means for amplifying an in-band signal, wherein the frequency response of the filter output has a desirable attenuation characteristic obtainable with the order of the filter circu... | 12/30/2008 |
| 7471142 | Filter calibration with cell re-use Various embodiments are disclosed relating filter calibration with cell re-use. According to an example embodiment, an apparatus includes a first circuit, including a variable circuit element. The first circuit is adapted to output an output frequency signal during ... | 12/30/2008 |
| 7436249 | Circuit and method for filtering a radio frequency signal A circuit for filtering a radio frequency signal at a given frequency comprises an input terminal, a filter device, and an active AC shunt circuit having first and second input terminals and an output terminal, where the first input terminal of the active AC shunt c... | 10/14/2008 |
| 7436250 | Highly selective filtering device and corresponding filtering method The invention proposes a filtering device having a frequency response which is symmetrical, using asymmetrical filters coupled by transposition means. The advantageous characteristics of the asymmetrical filters are retained and the faults associated with the asymme... | 10/14/2008 |
| 7429889 | Control system for programmable filters Control system for programmable filters, master-slave calibration system and fully programmable high precision filter for use in such control system, such filters being provided with a filter input and a filter output including a first, first order low pass filter s... | 09/30/2008 |
| 7425863 | Tuneable filters using operational amplifiers A low pass filter includes a switchable resistor bank, a gain stage, and a capacitor bank. The resistors and capacitors switched into the circuit determine a cutoff frequency of the low pass filter. Frequency programmability may be obtained using the switchable resi... | 09/16/2008 |
| 7424053 | Channel equalization in data receivers Channel equalization in a 1000BASE-T receiver is performed by a fixed mode analog filter 2 suitable for the longest possible cable length, by a FFE (3), and by a digital filter 4. The digital filter (4) has two sets of taps. One set is op... | 09/09/2008 |
| 7423474 | Selectable pole bias line filter A current mirror with selectable filter poles provides a selected low pass filtering function to a DC bias signal generated by the current mirror. Coupled between a first MOSFET and second MOSFET of the current mirror, a low pass filter with selectable filter poles ... | 09/09/2008 |
| 7417495 | Reconfigurable frequency filter There are various mobile communication standards such as GSM, EDGE, and W-CDMA. For a GSM or EDGE system, a receiver must be configured to work with an IF signal with a center frequency and bandwidth of 200 KHz. For WCDMA system, the same receiver must be configured... | 08/26/2008 |
