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Patent No. 6266829

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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Class 331/37 - BEAT FREQUENCY


Subclass of Class 331 - Oscillators
Definition: Subject matter comprising a signal producing system including
No. of patents: 75
Last issue date: 05/08/2012


1    
NumberTitleIssue Date
8174328Dual-band wideband local oscillation signal generator
A dual-band wideband local oscillation signal generator includes an oscillation unit, a division unit, a poly phase filter (PPF), a switch unit, and a single side band (SSB) mixer. The oscillation unit is configured to generate a positive in-phase (IP) signal, a neg...
05/08/2012
8120433Multi-output oscillator using single oscillator
Provided are a multi-output oscillator using a single oscillator, and a method of generating multiple outputs. The multi-output oscillator includes: an oscillator outputting the single frequency; a multiplier multiplying the single frequency to output a first freque...
02/21/2012
7986192Harmonic rejection mixer and harmonic rejection mixing method
Provided are a harmonic rejection mixer and a harmonic rejection mixing method. A plurality of oscillator signals having a ⅓ duty cycle and uniform phase differences may be generated and a differential or quadrature mixer with harmonic rejection may be realized by...
07/26/2011
7652542Signal generator, and transmitter, receiver and transceiver using same
A signal generator generates a first internal signal including frequency f1, a second internal signal including frequency f2, and a third internal signal including frequency f3 twice as high as frequency f2, and selects and delivers one f...
01/26/2010
7589597Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application
A frequency synthesizer with a single PLL and multiple SSB mixers is presented. The frequency synthesizer includes a single PLL outputting a reference signal that is fed to a plurality of dividers coupled in sequence. The outputs from the dividers are mixed by the S...
09/15/2009
7411461Frequency and/or phase lock loops with beat frequency estimation
A control loop (10) for producing an output signal with a stable nominal frequency is provided. The control loop includes inputs for reference (11) and oscillator (25) output signals, a beat frequency generator (12) for producing a signal...
08/12/2008
7349676Upconverter
An upconverter receives an intermediate frequency (IF) modulated signal on a port (5) and a local oscillator carrier signal at a port (6). A comb generator (13-15) generates a comb-like waveform from the carrier signal, the waveform havin...
03/25/2008
7323945Programmable radio transceiver
A fully integrated, programmable mixed-signal radio transceiver comprising a radio frequency integrated circuit (RFIC) which is frequency and protocol agnostic with digital inputs and outputs, the radio transceiver being programmable and configurable for multiple ra...
01/29/2008
7321268Ultra wideband and fast hopping frequency synthesizer for MB-OFDM wireless application
A frequency synthesizer with a single PLL and multiple SSB mixers is presented. The frequency synthesizer includes a single PLL outputting a reference signal that is fed to a plurality of dividers coupled in sequence. The outputs from the dividers are mixed by the S...
01/22/2008
7319716Transmitter image suppression in TDD transceivers
In a transceiver comprising a time-division-duplex (TDD) of transmit and receive functions, the characteristics of unwanted image signal energy being transmitted from the transceiver are determined, and thereafter feedback is provided to the transmitter to reduce th...
01/15/2008
7319366Offset local oscillator without using frequency divider
A local oscillator without a frequency divider is provided. The local oscillator includes a quadrature voltage controlled oscillator generating I and Q signals having a frequency which is one-third of a local oscillation frequency, and a differential second-harmonic...
01/15/2008
7299006Adaptive radio transceiver
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ...
11/20/2007
7289783Mixer circuits and methods with matched bias currents
Embodiments of the present invention include circuits and methods for improving the spectral purity of mixer circuits. In one embodiment the present invention includes a mixer circuit including a bias circuit, the bias circuit comprising a first transistor having a ...
10/30/2007
7268640Frequency generator arrangement
A frequency generator is provided. The generator comprises two voltage controlled oscillators generating a first signal of a given multiple of a predetermined raster frequency, and a second signal of another given multiple of a predetermined raster frequency, divide...
09/11/2007
7269174Dynamic wireless network
A Dynamically Reconfigurable Dynamic Wireless Network for connecting a local area network (“LAN”) to wireless Mobile Stations. Backbone Access Points (“Backbone APs”) are physically connected to the LAN. Levels of Wireless Access Points (“Wireless APs”) ...
09/11/2007
7260360Multi-band ZigBee transceiver supporting IEEE 802.15.4 wireless communication
Disclosed herein is a multi-band ZigBee transceiver for supporting IEEE 802.15.4 wireless communications. In the multi-band ZigBee transceiver, a Multi-Mode Modem (MMM) selects any one of a European version standard using 860 MHz band, a US version standard using 92...
08/21/2007
7257128Master-slave data transmission in orthogonal frequency-division multiplexing
A method for transmitting data between a master modem and at least one slave modem of a master-slave network in orthogonal frequency-division multiplexing, including assigning to each slave modem at least one transmit frequency band and at least one receive frequenc...
08/14/2007
7254755On-chip receiver sensitivity test mechanism
An on-chip receiver sensitivity test mechanism for use in an integrated RF transmitter wherein the transmitter and the receiver share the same oscillator. The mechanism obviates the need to use expensive RF signal generator test equipment with built-in modulation ca...
08/07/2007
7254164Method for transconductance linearization for DC-coupled applications
A Class AB voltage-to-current converter includes a plurality of DC coupled transconductance stages that produce a linearized output and a biasing circuit. The biasing circuit generates a primary bias voltage that is greater than a generated secondary bias voltage. A...
08/07/2007
7245889Signal source with multiphase filter
The invention relates to a signal source (S) which comprises a local oscillator (5) for generating a reference frequency signal fo. The signal source comprises: a frequency divider by N (6) connected to the local osci...
07/17/2007
7183698Piezoelectric structure
A piezoelectric structure receives input from a voltage source to generate polarization and output voltage. Two surfaces are formed on the direction normal to the polarized direction. One surface has an input electrode electrically connecting to the voltage source a...
02/27/2007
7174136Direct conversion radio transceiver
A radio transceiver capable of transmitting and receiving on a common radio channel in a half duplex mode includes a direct conversion transmitter and a low IF receiver. A common signal generator (2, 2′, 2″) comprises a first and second frequency generato...
02/06/2007
7149246Method and apparatus for reducing oscillator pull in a CMOS wireless transceiver integrated circuit
A monolithic transceiver integrated circuit that includes a substrate, a transmitter subsystem of one or more subcircuits on the substrate, and a receiver subsystem of one or more subcircuits on the substrate. Also included is a bias current supply coupled to the re...
12/12/2006
7142614Signal generating circuit for generating a reference phase signal and a quadrature signal
In a signal generating circuit SG1, a 90 -degree divider 3 generates, from a local oscillation signal SLO supplied through an input terminal 1, an intermediate reference phase signal ISREF and an intermediate quadrature sig...
11/28/2006
7136622Adaptive radio transceiver with noise suppression
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ...
11/14/2006
7116706Single oscillator transceiver frequency plan
A frequency plan is provided for particular use in a transceiver. Advantageously, a single oscillator may be used to generate desired frequency signals. One or more power splitters receive the signal and equally divide the signal into first and second signals having...
10/03/2006
7095801Phase adjustable polyphase filters
A polyphase filter for wireless communication systems includes at least two phase splitting filters each having a variable resistance across their respective outputs. The variable resistance can take any suitable form, such as a MOS transistor biased in the linear (...
08/22/2006
7073370Method and apparatus for characterizing materials by using a mechanical resonator
A method and apparatus for measuring properties of a liquid composition includes a mechanical resonator, such as a cantilever, connected to a measurement circuit. The mechanical resonator can be covered with a coating to impart additional special detection propertie...
07/11/2006
7046099Temperature compensated oscillator
An oscillator having a desired output frequency, comprising a cavity resonator 102 loaded with an anisotropic dielectric material and an oscillator circuit 100 including the cavity resonator 102 as a frequency determining element, the oscillator...
05/16/2006
7042136Piezoelectric thin-film element and a manufacturing method thereof
To provide a piezoelectric thin-film element small in leak current between electrode metal films and its manufacturing method are presented, the piezoelectric thin-film element includes at least one unit laminated body composed of a piezoelectric thin-film having a ...
05/09/2006
7019596Multiple output high-frequency oscillator
A high-frequency oscillator that enables a plurality of frequency signals to be output. The high-frequency oscillator outputs in parallel a plurality of frequency components from within a frequency spectrum of an oscillation output of a crystal oscillator, selects o...
03/28/2006
7012453Phase continuous synthesizer with phase coasting and associated methods
The phase continuous synthesizer and method generate a relatively wideband swept frequency signal with the use of a first generator for generating a first swept frequency signal, and a second generator successively switching between different frequency signals while...
03/14/2006
6996165Single oscillator transceiver frequency plan
A frequency plan is provided for particular use in a transceiver. Advantageously, a single oscillator may be used to generate desired frequency signal. One or more power splitters receive the signal and equally divide the signal into first and second signals having ...
02/07/2006
6975838Adaptive radio transceiver with noise suppression
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ...
12/13/2005
6961546Adaptive radio transceiver with offset PLL with subsampling mixers
An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged ...
11/01/2005
6960962Local oscillator leakage control in direct conversion processes
A system and method for generating a local oscillator (LO) frequency in a zero intermediate frequency (IF) receiver or transmitter is presented. A signal is received from a voltage controlled oscillator (VCO). The signal has a VCO frequency. The VCO frequency is div...
11/01/2005
6940339Mobility proportion current generator, and bias generator and amplifier using the same
A mobility proportion current generator comprises a voltage adder including a first MOS transistor, the voltage adder adding a voltage whose temperature dependency is small with respect to the mobility and a threshold voltage of the first MOS transistor to output a ...
09/06/2005
6940263Testing a transceiver
The invention relates to a method and an arrangement implementing the method for testing a transmitter part and receiver part in a transceiver. A signal in the transmitter part is mixed with a mixing signal for generating a signal to be connected to the receiver par...
09/06/2005
6907790Gage pressure output from an absolute pressure measurement device
A pressure measurement device comprising an absolute pressure sensor and a bus coupling serial communication and energization to an electrical connector in a field wiring compartment. An atmospheric pressure sensor module is connected to the bus at the electrical co...
06/21/2005
6906560Phase-continuous frequency synthesizer
A digitally controlled frequency synthesizer has a first direct digital synthesizer that generates a first phase-coherent, time-varying frequency, and a second direct digital synthesizer that generates an offset frequency waveform. A plurality of cascaded frequency ...
06/14/2005
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