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Class Information
Number: 455/259
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Local control of receiver operation > Local oscillator frequency control > Automatic > Utilizing particular local oscillator control > Reference oscillator or source
Description: Subject matter wherein the control means comprises a reference oscillator or source.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7627295 |
Downconverter and upconverter |
Dec. 1, 2009 |
| 7596112 |
Method and apparatus for rate compatible dirty paper coding |
Sep. 29, 2009 |
| 7587189 |
Determination and processing for fractional-N programming values |
Sep. 8, 2009 |
| 7586382 |
Methods and systems for temperature related frequency drift compensation |
Sep. 8, 2009 |
| 7565112 |
Reduced adjacent channel interference in a radio receiver |
Jul. 21, 2009 |
| 7558552 |
Integrated circuit and method of generating a bias current for a plurality of data transceivers |
Jul. 7, 2009 |
| 7391840 |
Phase locked loop circuit, electronic device including a phase locked loop circuit and method for generating a periodic signal |
Jun. 24, 2008 |
| 7389094 |
Wireless data communications using FIFO for synchronization memory |
Jun. 17, 2008 |
| 7373127 |
Digital beam forming for communications systems |
May. 13, 2008 |
| 7369830 |
Monolithic GPS RF front end integrated circuit |
May. 6, 2008 |
| 7349679 |
Integrated power amplifier |
Mar. 25, 2008 |
| 7263138 |
Q-quenching super-regenerative receiver |
Aug. 28, 2007 |
| 7251467 |
Telecommunications using a tunable oscillator |
Jul. 31, 2007 |
| 7228118 |
Method of calibrating PLL frequency synthesizers to precise frequencies with low tolerance crystals in their master reference oscillators |
Jun. 5, 2007 |
| 7228117 |
Frequency correction method and apparatus for correcting secular change |
Jun. 5, 2007 |
| 7215936 |
Super-regenerative receiver including phase-locked loop |
May. 8, 2007 |
| 7196738 |
Tuner integrated circuit and television tuner using the same circuit |
Mar. 27, 2007 |
| 7177610 |
Calibrated low-noise current and voltage references and associated methods |
Feb. 13, 2007 |
| 7171183 |
Linearized fractional-N synthesizer having a current offset charge pump |
Jan. 30, 2007 |
| 7167727 |
Wireless data communications using FIFO for synchronization memory |
Jan. 23, 2007 |
| 7162216 |
Wireless communication system |
Jan. 9, 2007 |
| 7154341 |
Communication semiconductor integrated circuit device and wireless communication system |
Dec. 26, 2006 |
| 7155174 |
Method and apparatus for compensating for frequency offsets caused by a free-running oscillator |
Dec. 26, 2006 |
| 7155181 |
High sensitivity RF receiver and method for forming the same |
Dec. 26, 2006 |
| 7139530 |
Method and apparatus for calibrating a reference oscillator |
Nov. 21, 2006 |
| 7133647 |
Chiprate correction in digital transceivers |
Nov. 7, 2006 |
| 7103338 |
Initial frequency synchronization mechanism |
Sep. 5, 2006 |
| 7103339 |
Automatic frequency correction method and receiver for time division duplex modes of 3G wireless communications |
Sep. 5, 2006 |
| 7082295 |
On-chip loop filter for use in a phase locked loop and other applications |
Jul. 25, 2006 |
| 7082292 |
Mobile communications device with GPS receiver and common clock source |
Jul. 25, 2006 |
| 7031683 |
Apparatus and methods for calibrating signal-processing circuitry |
Apr. 18, 2006 |
| 7024173 |
Timing control device and timing control method |
Apr. 4, 2006 |
| 6993306 |
Determination and processing for fractional-N programming values |
Jan. 31, 2006 |
| 6975840 |
Charge pump for an integrated circuit receiver |
Dec. 13, 2005 |
| 6954625 |
Tuner and method of aligning a tuner |
Oct. 11, 2005 |
| 6933788 |
Reference oscillator |
Aug. 23, 2005 |
| 6856794 |
Monolithic GPS RF front end integrated circuit |
Feb. 15, 2005 |
| 6850749 |
Local oscillator architecture to reduce transmitter pulling effect and minimize unwanted sideband |
Feb. 1, 2005 |
| 6850745 |
Method and apparatus for generating a self-correcting local oscillation |
Feb. 1, 2005 |
| 6847811 |
Receiver circuit compensation for filter response error |
Jan. 25, 2005 |
| 6782248 |
Frequency scalable, low self-generated noise frequency source |
Aug. 24, 2004 |
| 6766154 |
Fast settling fine stepping phase locked loops |
Jul. 20, 2004 |
| 6748203 |
Three port structure with modulated LO signal |
Jun. 8, 2004 |
| 6738607 |
Initial frequency synchronization mechanism |
May. 18, 2004 |
| 6735425 |
Telephone with a demodulator circuit with an improved local oscillator |
May. 11, 2004 |
| 6731919 |
Amplifier apparatus and method for controlling a local oscillator frequency based on the detected temperature of if bandpass filters |
May. 4, 2004 |
| 6725463 |
Dual mode tuner for co-existing digital and analog television signals |
Apr. 20, 2004 |
| 6714772 |
Wireless communication system |
Mar. 30, 2004 |
| 6704556 |
Communication device utilizing channel based oscillator aging compensation and method therefor |
Mar. 9, 2004 |
| 6658243 |
High frequency power amplifying apparatus having amplifying stages with gain control signals of lower amplitudes applied to earlier preceding stages |
Dec. 2, 2003 |
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