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Class Information
Number: 331/55
Name: Oscillators > Plural oscillators > Synchronized, triggered or pulsed
Description: Subject matter wherein at least one of a plurality of oscillators is provided with means for coupling the oscillator, or oscillators, to a periodic source of synchronizing or triggering potential to drive to lock the period of the oscillator, or oscillators, to the period of the source or to some multiple or submultiple thereof.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8704603 Low power wideband LO using tuned injection locked oscillator Apr. 22, 2014
8674774 Aging diagnostic device, aging diagnostic method Mar. 18, 2014
8638175 Coupled ring oscillator Jan. 28, 2014
8610511 High-frequency digitally controlled oscillator Dec. 17, 2013
8576018 Synchronized array bridge power oscillator Nov. 5, 2013
8576019 Synchronized array power oscillator with leg inductors Nov. 5, 2013
8570108 Injection-locking a slave oscillator to a master oscillator with no frequency overshoot Oct. 29, 2013
8558624 Semiconductor integrated circuit Oct. 15, 2013
8558623 Oscillating circuit with giant magnetoresistance effect junctions Oct. 15, 2013
8552804 Frequency synthesizers with dynamic calibration intervals Oct. 8, 2013
8497740 Reference signal oscillator Jul. 30, 2013
8462579 Method and apparatus for reducing oscillation in synchronous circuits Jun. 11, 2013
8461934 External oscillator detector Jun. 11, 2013
8446224 Network of tightly coupled performance monitors for determining the maximum frequency of operation of a semiconductor IC May. 21, 2013
8410858 Electronic circuitry Apr. 2, 2013
8395454 Synchronized output of multiple ring oscillators Mar. 12, 2013
8339209 Method for selecting natural frequency in resonant clock distribution networks with no inductor overhead Dec. 25, 2012
8319567 Two oscillator synchronization system Nov. 27, 2012
8274338 Methods and systems for generating local oscillator signals Sep. 25, 2012
8258882 Clock signal distributing device Sep. 4, 2012
8258885 Frequency-coupled LCVCO Sep. 4, 2012
8248169 Semiconductor integrated circuit and abnormal oscillation detection method for semiconductor integrated circuit Aug. 21, 2012
8250399 Method and apparatus for clock wander compensation Aug. 21, 2012
8207763 Non-linear channelizer device with wideband, high-frequency operation and channel reconfigurability Jun. 26, 2012
8174325 Adaptive injection-locked oscillator array for broad spectrum RF analysis May. 8, 2012
8143954 Oscillation device with auxiliary oscillating means Mar. 27, 2012
8134421 Voltage control oscillator and quadrature modulator Mar. 13, 2012
8134886 Method and apparatus for reducing oscillation in synchronous circuits Mar. 13, 2012
8125282 Dual-band coupled VCO Feb. 28, 2012
8085104 Oscillation circuit, driving circuit thereof, and driving method thereof Dec. 27, 2011
8081036 Electronic device used for measuring and detecting the variations of at least one input signal Dec. 20, 2011
8072273 System employing synchronized crystal oscillator-based clock, to be used in either discrete or integrated applications Dec. 6, 2011
8058935 Scalable millimeter wave power source Nov. 15, 2011
8054138 Multi-oscillator circuit with variable power supply Nov. 8, 2011
8055931 Method for switching between two redundant oscillator signals within an alignment element Nov. 8, 2011
8008981 Multi-phase ultra-wideband signal generator using differential pulse oscillators and array thereof Aug. 30, 2011
7961056 Low phase noise voltage controlled oscillator Jun. 14, 2011
7952439 System and method for phase locking multiple oscillators May. 31, 2011
7952438 Injection locking clock generator and clock synchronization circuit using the same May. 31, 2011
7902931 Wideband non-linear circuits for implementation in frequency channel separation Mar. 8, 2011
7880551 Systems and methods for distributing a clock signal Feb. 1, 2011
7863987 Clock signal generating and distributing apparatus Jan. 4, 2011
7859354 Ring oscillators Dec. 28, 2010
7843275 Frequency synthesizer circuitry employing delay line Nov. 30, 2010
7812682 Crystal-based oscillator for use in synchronized system Oct. 12, 2010
7808327 Method and apparatus to provide digitally controlled crystal oscillators Oct. 5, 2010
7741921 Trigger-mode distributed wave oscillator system Jun. 22, 2010
7724100 Oscillator structure May. 25, 2010
7714673 Control method for operation modes of oscillator and the apparatus thereof May. 11, 2010
7705686 Injection-locked frequency divider Apr. 27, 2010

1 2 3 4

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