Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 331/46
Name: Oscillators > Plural oscillators
Description: Subject matter comprising an electrical system including at least two significant oscillators.










Sub-classes under this class:

Class Number Class Name Patents
331/48 Adjustable frequency 107
331/50 Cascade or tandem connected 62
331/47 Oscillator used to vary amplitude or frequency of another oscillator 137
331/56 Parallel connected 199
331/49 Selectively connected to common output or oscillator substitution 276
331/55 Synchronized, triggered or pulsed 173


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
7332977 Crystal clock generator operating at third overtone of crystal's fundamental frequency Feb. 19, 2008
7330080 Ring based impedance control of an output driver Feb. 12, 2008
7319366 Offset local oscillator without using frequency divider Jan. 15, 2008
7317361 Ensemble oscillator and related methods Jan. 8, 2008
7317362 Oscillator circuit and oscillation control method Jan. 8, 2008
7313369 Communication semiconductor integrated circuit and radio communication system Dec. 25, 2007
7307482 Ring oscillator setting apparatus and method depending on environmental changes of an image formation apparatus Dec. 11, 2007
7301415 Automatic frequency tuning in a phase lock loop Nov. 27, 2007
7271622 Quadrature voltage controlled oscillators with phase shift detector Sep. 18, 2007
7268640 Frequency generator arrangement Sep. 11, 2007
7259634 Arrangement and method for digital delay line Aug. 21, 2007
7236059 Apparatus, system, and method for oscillator network with multiple parallel oscillator circuits Jun. 26, 2007
7216249 Clock generation system May. 8, 2007
7209012 Switching circuit and voltage-controlled oscillator including the same Apr. 24, 2007
7193484 Voltage controlled oscillator apparatus Mar. 20, 2007
7164323 Phase synchronous multiple LC tank oscillator Jan. 16, 2007
7154341 Communication semiconductor integrated circuit device and wireless communication system Dec. 26, 2006
7126430 PLL circuit Oct. 24, 2006
7116180 Voltage-controlled oscillator and integrated circuit device provided with it Oct. 3, 2006
7116742 Timing recovery system for a multi-pair gigabit transceiver Oct. 3, 2006
7109808 Polyphase numerically controlled oscillator and method for operating the same Sep. 19, 2006
7092468 Timing recovery system for a multi-pair gigabit transceiver Aug. 15, 2006
7088188 Differential oscillator Aug. 8, 2006
7084712 Clock generation system Aug. 1, 2006
7075377 Quadrature voltage controlled oscillators with phase shift detector Jul. 11, 2006
7071788 Low power balanced Colpitts oscillator with improved negative resistance Jul. 4, 2006
7071789 Cross coupled voltage controlled oscillator Jul. 4, 2006
7065668 Apparatus for selecting and outputting either a first clock signal or a second clock signal Jun. 20, 2006
7046099 Temperature compensated oscillator May. 16, 2006
7042297 High-frequency oscillator May. 9, 2006
7026880 Quadrature VCO using symmetrical spiral inductors and differential varactors Apr. 11, 2006
7023283 Wide lock range phase locked loop and method of operation Apr. 4, 2006
7009458 Method and system for fast wake-up of oscillators Mar. 7, 2006
7005926 RF energy dispersal in systems consisting of aggregated computing elements as subsystems Feb. 28, 2006
7005930 Synchronously coupled oscillator Feb. 28, 2006
6995619 Quadrature voltage controlled oscillator capable of varying a phase difference between an in-phase output signal and a quadrature output signal Feb. 7, 2006
6995620 Oscillator having multi-phase complementary outputs Feb. 7, 2006
6985041 Clock generating circuit and method Jan. 10, 2006
6970045 Redundant clock module Nov. 29, 2005
6970048 Inductive-capacitive (LC) based quadrature voltage controlled oscillator (VCO) with deterministic quadrature signal phase relationship Nov. 29, 2005
6960963 Voltage controlled oscillator Nov. 1, 2005
6958951 Adaptive Kalman Filter process for controlling an ensemble clock Oct. 25, 2005
6946921 Method and apparatus for producing high-frequency oscillations Sep. 20, 2005
6933789 On-chip VCO calibration Aug. 23, 2005
6930561 Multi-band voltage controlled oscillator Aug. 16, 2005
6922113 Semiconductor integrated circuit having oscillators or oscillation circuits connected to a wiring line at connection points with intervals in length there between Jul. 26, 2005
6922402 Mutual frequency locking across a link Jul. 26, 2005
6911870 Quadrature voltage controlled oscillator utilizing common-mode inductive coupling Jun. 28, 2005
6903614 Oscillator having an AC-coupling between fundamental frequency ground points Jun. 7, 2005
6900699 Phase synchronous multiple LC tank oscillator May. 31, 2005

1 2 3 4 5 6 7










 
 
  Recently Added Patents
LED light source lamp having drive circuit arranged in outer periphery of LED light source
Semiconductor apparatus
Method and system for filtering noises in an image scanned by charged particles
Surfcraft fin
System for seeking for an optimal configuration of a bi-, tri- or multi-ventricular cardiac resynchronization implanted device
Plants and seeds of hybrid corn variety CH367819
Magnetic circuit and speaker using same
  Randomly Featured Patents
Stable multi-fold telescopic laser resonator
Display device employing a field-sequential method
Boat with rotatable wheel keel for resistance to leeward movement in water and for sand transport
Touch panel for an acoustic touch position sensor using shear wave propagation
Method and system for providing a sparing mechanism in a circuit-switched-to-packet-switched interworking peripheral
Facial filter mask
Drill member for rock drilling and a method for manufacturing the drill member
Self-mating reclosable mechanical fastener and binding strap
Sealing glass compositions
Data processor architecture employing segregated data, program and control buses