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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
8704603 Low power wideband LO using tuned injection locked oscillator Apr. 22, 2014
8692626 Oscillation device Apr. 8, 2014
8686804 Orthogonally referenced integrated ensemble for navigation and timing Apr. 1, 2014
8670736 Crystal control scheme to improve performance of a receiver Mar. 11, 2014
8659472 Method and apparatus for highly accurate higher frequency signal generation and related level gauge Feb. 25, 2014
8659364 Oscillator device with crystal resonators Feb. 25, 2014
8643440 Electric circuit, sensor system equipped with the electric circuit, and sensor device equipped with the electric circuit Feb. 4, 2014
8624680 Ring based impedance control of an output driver Jan. 7, 2014
8598956 System and method for reducing holdover duration Dec. 3, 2013
8598957 Oscillators and methods of manufacturing and operating the same Dec. 3, 2013
8576019 Synchronized array power oscillator with leg inductors Nov. 5, 2013
8576018 Synchronized array bridge power oscillator Nov. 5, 2013
8576014 System and method for selecting optimum local oscillator discipline source Nov. 5, 2013
8564375 Methods and apparatus for self-trim calibration of an oscillator Oct. 22, 2013
8559276 System for timing a sports competition with two timing devices Oct. 15, 2013
8558625 Frequency tuning and phase shifting techniques using 1-dimensional coupled voltage-controlled-oscillator arrays for active antennas Oct. 15, 2013
8558623 Oscillating circuit with giant magnetoresistance effect junctions Oct. 15, 2013
8552804 Frequency synthesizers with dynamic calibration intervals Oct. 8, 2013
8547178 Single-event upset hardened ring oscillator Oct. 1, 2013
8536953 Quartz oscillator module Sep. 17, 2013
8525604 Oscillator arrangement Sep. 3, 2013
8513957 Implementing integral dynamic voltage sensing and trigger Aug. 20, 2013
8508304 Serdes VCO with phased outputs driving frequency to voltage converter Aug. 13, 2013
8502610 Cascaded local oscillator synthesizer Aug. 6, 2013
8497740 Reference signal oscillator Jul. 30, 2013
8493058 Circuit arrangement for frequency determination Jul. 23, 2013
8473771 Integrated circuit having frequency dependent noise avoidance Jun. 25, 2013
8466752 System and method for supporting different types of oscillator circuits Jun. 18, 2013
8461934 External oscillator detector Jun. 11, 2013
8456243 Failsafe oscillator monitor and alarm Jun. 4, 2013
8427249 Resonator with reduced acceleration sensitivity and phase noise using time domain switch Apr. 23, 2013
8417983 Adjusting a device clock source to reduce wireless communication interference Apr. 9, 2013
RE44097 Device and method for responding to influences of mind Mar. 19, 2013
8391511 Semiconductor device Mar. 5, 2013
8390388 Differential cancellation of vibration interference in oscillators Mar. 5, 2013
8390385 Oscillator circuit, oscillator circuit group, electronic apparatus, and layout method for oscillation circuit group Mar. 5, 2013
8384487 Orthogonally referenced integrated ensemble for navigation and timing Feb. 26, 2013
8378751 Frequency synthesizer with multiple tuning loops Feb. 19, 2013
8373512 Oscillator device and methods thereof Feb. 12, 2013
8344811 Dual-band voltage-controlled oscillator arrangement Jan. 1, 2013
8339209 Method for selecting natural frequency in resonant clock distribution networks with no inductor overhead Dec. 25, 2012
8339208 Method and apparatus for tuning frequency of LC-oscillators based on phase-tuning technique Dec. 25, 2012
8321716 Integrated circuit having frequency dependent noise avoidance Nov. 27, 2012
8294524 Transversal agile local oscillator synthesizer Oct. 23, 2012
8266468 Integrated circuit with interpolation to avoid harmonic interference Sep. 11, 2012
8264288 Quadrature voltage controlled oscillator including transmission line Sep. 11, 2012
8264287 Method, apparatus, and system for measuring analog voltages on die Sep. 11, 2012
8258887 Delay-coupled LCVCO Sep. 4, 2012
8258882 Clock signal distributing device Sep. 4, 2012
8258885 Frequency-coupled LCVCO Sep. 4, 2012

1 2 3 4 5 6 7










 
 
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