Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 455/264
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Local control of receiver operation > Local oscillator frequency control > Automatic > Utilizing particular local oscillator control > Voltage control of oscillator
Description: Subject matter having an oscillator the frequency of which can be varied by a changing voltage.


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7610023 Voltage controlled oscillator band switching system Oct. 27, 2009
7587180 FM modulator Sep. 8, 2009
7574186 Self-powered radio integrated circuit with embedded antenna Aug. 11, 2009
7555273 Bandpass filter with carrier frequency reduction Jun. 30, 2009
7538621 Broadband integrated tuner May. 26, 2009
7512390 System and method for tuning a frequency generator using an LC oscillator Mar. 31, 2009
7508897 PLL circuit and high-frequency receiving device Mar. 24, 2009
7492850 Phase locked loop apparatus with adjustable phase shift Feb. 17, 2009
7457599 Frequency transceiver for controlling intermediate frequency Nov. 25, 2008
7397312 Spectrum analyzer and method for correcting frequency errors Jul. 8, 2008
7386286 High frequency low noise phase-frequency detector and phase noise reduction method and apparatus Jun. 10, 2008
7383033 Differential and quadrature harmonic VCO and methods therefor Jun. 3, 2008
7313380 Variable resolution A/D converter Dec. 25, 2007
7310506 Differential voltage control oscillator including radio-frequency switching circuits Dec. 18, 2007
7295824 Frequency multiplier pre-stage for fractional-N phase-locked loops Nov. 13, 2007
7289005 Polar modulator and a method for modulation of a signal Oct. 30, 2007
7266357 Reduced local oscillator feedthrough quadrature image reject mixer Sep. 4, 2007
7263341 Audio demodulating circuit and television broadcast receiver Aug. 28, 2007
7242916 Communication semiconductor integrated circuit device and wireless communication system Jul. 10, 2007
7239857 Method and apparatus for compensating an oscillator in a location-enabled wireless device Jul. 3, 2007
7221920 Voltage controlled oscillator, frequency synthesizer and communication apparatus May. 22, 2007
7184732 PLL frequency synthesizer Feb. 27, 2007
7181180 Sigma delta modulated phase lock loop with phase interpolation Feb. 20, 2007
7177611 Hybrid control of phase locked loops Feb. 13, 2007
7177601 Method and apparatus for transceiving data using a bimodal power data link transceiver device Feb. 13, 2007
7158767 Tuneable frequency translator Jan. 2, 2007
7155176 System for synchronizing a portable transceiver to a network Dec. 26, 2006
7154341 Communication semiconductor integrated circuit device and wireless communication system Dec. 26, 2006
7146143 Communication semiconductor integrated circuit device and wireless communication system Dec. 5, 2006
7116956 Power oscillator for control of waveshape and amplitude Oct. 3, 2006
7103331 Low noise block down converter with reduced power consumption Sep. 5, 2006
7103339 Automatic frequency correction method and receiver for time division duplex modes of 3G wireless communications Sep. 5, 2006
7082293 Adaptive radio transceiver with CMOS offset PLL Jul. 25, 2006
7027785 Transmitter RF power control Apr. 11, 2006
7020442 System and method for WLAN signal strength determination Mar. 28, 2006
7010307 Method and apparatus for compensating an oscillator in a location-enabled wireless device Mar. 7, 2006
7010285 Phase locking loop frequency synthesizer Mar. 7, 2006
6968168 Variable oscillator Nov. 22, 2005
6954626 High frequency receiving device Oct. 11, 2005
6928275 Method and apparatus for compensating local oscillator frequency error Aug. 9, 2005
6915122 Method for calibration of a keyless entry system for a motor vehicle Jul. 5, 2005
6847811 Receiver circuit compensation for filter response error Jan. 25, 2005
6741845 Wave-shaper device May. 25, 2004
6735425 Telephone with a demodulator circuit with an improved local oscillator May. 11, 2004
6714772 Wireless communication system Mar. 30, 2004
6636727 Phase locked loop system Oct. 21, 2003
6625431 Tuner device Sep. 23, 2003
6542723 Optoelectronic phase locked loop with balanced photodetection for clock recovery in high-speed optical time division multiplexed systems Apr. 1, 2003
6522871 Method and apparatus for compensating local oscillator frequency error through environmental control Feb. 18, 2003
6411820 Switchable phase lock loop for dual mode applications Jun. 25, 2002

1 2 3


 
 
  Recently Added Patents
Heat recycling system with nighttime cooling recovery
Liquid crystal display
Window assembly for a motor vehicle
Phase shifter comprising a coupling line for providing divided paths of different path lengths
Tap changer
Camera interface module
Negative-feedback type ultra-wideband signal amplification circuit
  Randomly Featured Patents
Trailer for a motorcycle or the like
Apparatus for folding and sealing a one piece mailer
Tape carrier, and test apparatus for the same
Propellant compositions
Product display and vending cart
Lanced fire-rated runner
Server, terminal and control methods for transmitting real-time images over the internet
Floodlight
Mascara brush
Dosing device comprising a medium reservoir and corresponding pump device