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Class Information
Number: 455/316
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Frequency modifying or conversion > Plural separate successive conversions > With plural separate local oscillators > With frequency stabilization for at least one local oscillator
Description: Subject matter including means whereby the output frequency of at least one of the plurality of separate local oscillator means is stabilized.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610032 |
System and method for frequency translation with harmonic suppression using mixer stages |
Oct. 27, 2009 |
| 7577215 |
Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal |
Aug. 18, 2009 |
| 7546102 |
Dual band frequency synthesizer |
Jun. 9, 2009 |
| 7542752 |
Method and device for adjacent channels operation |
Jun. 2, 2009 |
| 7536163 |
Apparatus and method generating multi RF tone signals in UWB communication system |
May. 19, 2009 |
| 7502605 |
Sub-millimeter wavelength camera |
Mar. 10, 2009 |
| 7437133 |
Radio frequency tuner front end and tuner |
Oct. 14, 2008 |
| 7295821 |
Multiple base station automatic frequency control architecture in wireless communication system |
Nov. 13, 2007 |
| 7289782 |
Linearized fractional-N synthesizer having a gated offset |
Oct. 30, 2007 |
| 7239846 |
Up-conversion modulation loop for multi-mode mobile communication |
Jul. 3, 2007 |
| 7228118 |
Method of calibrating PLL frequency synthesizers to precise frequencies with low tolerance crystals in their master reference oscillators |
Jun. 5, 2007 |
| 7190943 |
System and method for frequency translation with harmonic suppression using mixer stages |
Mar. 13, 2007 |
| 7184733 |
High frequency receiving device, integrated circuit used for the same, and TV receiver using them |
Feb. 27, 2007 |
| 7164899 |
System and method for frequency translation with harmonic suppression using mixer stages |
Jan. 16, 2007 |
| 7155194 |
Mixer used in direct conversion transceiver and related method |
Dec. 26, 2006 |
| 7116963 |
Simplified high frequency tuner and tuning method |
Oct. 3, 2006 |
| 7103343 |
Receiver, in particular for mobile radio |
Sep. 5, 2006 |
| 7088981 |
Apparatus for reducing flicker noise in a mixer circuit |
Aug. 8, 2006 |
| 7076001 |
System and method for an in-service decision-directed signal to noise ratio estimator |
Jul. 11, 2006 |
| 7058360 |
Method and system for stabilizing the performance variation of a radio frequency device |
Jun. 6, 2006 |
| 7024170 |
Frequency conversion apparatus |
Apr. 4, 2006 |
| 7013119 |
Radio communication apparatus and its reception timing estimating method |
Mar. 14, 2006 |
| 7003273 |
Temperature compensating circuit, electronic apparatus and radio unit having temperature compensating function |
Feb. 21, 2006 |
| 6985708 |
Linearized fractional-N synthesizer having a gated offset |
Jan. 10, 2006 |
| 6947499 |
Angle demodulation apparatus, local oscillation apparatus, angle demodulation method, local oscillation signal generating method, recording medium and computer data signal |
Sep. 20, 2005 |
| 6900700 |
Communication semiconductor integrated circuit and radio communication system |
May. 31, 2005 |
| 6876844 |
Cascading-synchronous mixer and method of operation |
Apr. 5, 2005 |
| 6868135 |
Method and apparatus for correcting for a phase shift between a transmitter and a receiver |
Mar. 15, 2005 |
| 6847811 |
Receiver circuit compensation for filter response error |
Jan. 25, 2005 |
| 6847812 |
Frequency-stabilized transceiver configuration |
Jan. 25, 2005 |
| 6839551 |
Radio frequency mixer and method of operation |
Jan. 4, 2005 |
| 6766157 |
Reducing LO leakage in a direct conversion receiver quadrature stage |
Jul. 20, 2004 |
| 6745020 |
Direct downconversion receiver |
Jun. 1, 2004 |
| 6714263 |
Multiple conversion tuner |
Mar. 30, 2004 |
| 6650375 |
Television signal transmitter for eliminating interference caused by differential signal of two frequency converters |
Nov. 18, 2003 |
| 6642797 |
Normalization methods for automatic requency compensation in bluetooth applications |
Nov. 4, 2003 |
| 6580330 |
Injection locked oscillator automatic frequency centering method and apparatus |
Jun. 17, 2003 |
| 6574462 |
Local oscillator apparatus for radio frequency communication systems |
Jun. 3, 2003 |
| 6560450 |
Satellite communications routing and addressing method |
May. 6, 2003 |
| 6549588 |
Communications system and corresponding receiver unit |
Apr. 15, 2003 |
| 6456836 |
Frequency multiplier and wireless device incorporating same |
Sep. 24, 2002 |
| 6345177 |
Signal analog processing circuit for satellite positioning receiver |
Feb. 5, 2002 |
| 6269241 |
Ultra-Q filter |
Jul. 31, 2001 |
| 6181212 |
Phase locked loop for generating two disparate, variable frequency signals |
Jan. 30, 2001 |
| 6163687 |
Tuning module for a dual frequency PLL synthesized tuner |
Dec. 19, 2000 |
| 6121847 |
Injection locked oscillator automatic frequency centering method and apparatus |
Sep. 19, 2000 |
| 6112069 |
Radio receiver and method for suppressing attenuation properties of a low frequency signal |
Aug. 29, 2000 |
| 6014546 |
Method and system providing RF distribution for fixed wireless local loop service |
Jan. 11, 2000 |
| 6002924 |
Full-spectrum all-mode radio receiver apparatus and method |
Dec. 14, 1999 |
| 5983070 |
Method and system providing increased antenna functionality in a RF distribution system |
Nov. 9, 1999 |
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