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Class Information
Number: 331/176
Name: Oscillators > Frequency stabilization > Temperature or current responsive means in circuit
Description: Subject matter wherein the oscillator circuit or structure is modified by the addition of a current or temperature responsive element thereto to compensate for the undesirable drift in oscillator frequency caused by the effect of current flow on the circuit parameters or that due to temperature changes (internal or ambient).










Patents under this class:
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Patent Number Title Of Patent Date Issued
8710939 Oscillator circuit which compensates for external voltage supply, temperature and process Apr. 29, 2014
8710938 Electronic device including predicted frequency error estimation of a voltage controlled oscillator and related methods Apr. 29, 2014
8692626 Oscillation device Apr. 8, 2014
8686806 Highly accurate temperature stable clock based on differential frequency discrimination of oscillators Apr. 1, 2014
8680933 Temperature-compensated oscillator and electronic device Mar. 25, 2014
8674772 Oscillating signal generator utilized in phase-locked loop and method for controlling the oscillating signal generator Mar. 18, 2014
8674778 Method and system for correcting oscillator frequency drift Mar. 18, 2014
8674779 Reference current generator circuit Mar. 18, 2014
8669825 Temperature-compensated oscillator and electronic device Mar. 11, 2014
8669822 Resonator Mar. 11, 2014
8669823 Ovenized microelectromechanical system (MEMS) resonator Mar. 11, 2014
8665029 Oscillator module and reference circuit thereof Mar. 4, 2014
8659364 Oscillator device with crystal resonators Feb. 25, 2014
8659361 Function generator circuit Feb. 25, 2014
8643442 Oscillator circuit Feb. 4, 2014
8643444 Common reference crystal systems Feb. 4, 2014
8629730 Oscillator Jan. 14, 2014
8629731 MEMS resonator Jan. 14, 2014
8624680 Ring based impedance control of an output driver Jan. 7, 2014
8619969 Adaptive integrated hybrid with complex adaptation for digital subscriber line systems Dec. 31, 2013
8610513 Crystal oscillator Dec. 17, 2013
8593229 Atomic oscillator Nov. 26, 2013
8594608 Synthesizer and reception device Nov. 26, 2013
8587384 Semiconductor integrated circuit device and oscillation frequency calibration method Nov. 19, 2013
8581670 Oscillation device Nov. 12, 2013
8581671 Oscillation device Nov. 12, 2013
8576020 Crystal oscillator and method of manufacturing the same Nov. 5, 2013
8565704 Method and apparatus for compensating an oscillator in a location-enabled wireless device Oct. 22, 2013
8565705 Oscillator circuit, radio communication device and semiconductor integrated circuit Oct. 22, 2013
8558629 Temperature-controlled crystal oscillating unit and crystal oscillator Oct. 15, 2013
8536951 Buffer for temperature compensated crystal oscillator signals Sep. 17, 2013
8536932 Temperature compensation circuit Sep. 17, 2013
8536952 Oscillation device Sep. 17, 2013
8531245 Temperature compensation in a PLL Sep. 10, 2013
8508307 Oscillation circuit Aug. 13, 2013
8497741 High accuracy RC oscillator Jul. 30, 2013
RE44368 Temperature-compensated crystal oscillator Jul. 16, 2013
8482356 Constant-temperature piezoelectric oscillator and method of manufacturing the same Jul. 9, 2013
8476984 Vibration device, oscillator, and electronic apparatus Jul. 2, 2013
8466750 VCO utilizing an auxiliary varactor with temperature dependent bias Jun. 18, 2013
8466751 High-precision and low-consumption quartz oscillator Jun. 18, 2013
8456247 Monitoring negative bias temperature instability (NBTI) and/or positive bias temperature instability (PBTI) Jun. 4, 2013
8451064 Voltage-controlled oscillator module having adjustable oscillator gain and related operating methods May. 28, 2013
8446226 Oven controlled crystal oscillator May. 21, 2013
8446223 Systems and methods for calibrating real time clock May. 21, 2013
8436687 Oscillating apparatus May. 7, 2013
8432229 PVT consistent PLL incorporating multiple LCVCOs Apr. 30, 2013
8433255 System and method for reducing temperature-dependent and process-dependent frequency variation of a crystal oscillator circuit Apr. 30, 2013
8427244 Oscillation circuit and frequency-correcting oscillation circuit Apr. 23, 2013
8427251 Temperature compensated oscillator including MEMS resonator for frequency control Apr. 23, 2013

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