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Class Information
Number: 331/107R
Name: Oscillators > Solid state active element oscillator

Sub-classes under this class:

Class Number Class Name Patents
331/107A Acoustoelectric device oscillators 192
331/107G Gunn-type bulk effect device oscillators 89
331/107DP Significant distributed parameter resonator (e.g., cavity) 227
331/107S Superconductive device oscillators 30
331/108R Transistors 78
331/107T Tunnel diode oscillators 27

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8674775 Out-of-plane resonator Mar. 18, 2014
8624679 Method and apparatus for MEMS phase locked loop Jan. 7, 2014
8604886 Spin torque oscillator having multiple fixed ferromagnetic layers or multiple free ferromagnetic layers Dec. 10, 2013
8593230 Circuit and method for correcting temperature dependence of frequency for piezoresistive oscillators Nov. 26, 2013
8542072 Spin-valve or tunnel-junction radio-frequency oscillator, process for adjusting the frequency of such an oscillator and network consisting of a plurality of such oscillators Sep. 24, 2013
8467739 Monolithic integrated transceiver Jun. 18, 2013
8441193 Electronic frequency tuning magnetron May. 14, 2013
8324976 Oscillator circuitry having negative differential resistance Dec. 4, 2012
8319565 Resonator tunnel device Nov. 27, 2012
8310316 Oscillator circuit Nov. 13, 2012
8269568 Method for manufacturing piezoelectric vibrator, piezoelectric vibrator, and oscillator Sep. 18, 2012
8242855 Multi-primary distributed active transformer amplifier power supply and control Aug. 14, 2012
8212718 Microwave/millimeter wave sensor apparatus Jul. 3, 2012
8072278 System and method for reducing power consumption of an oscillator Dec. 6, 2011
8031021 Oscillation circuit based on metal-insulator transition device and method of driving the oscillation circuit Oct. 4, 2011
8031022 Oscillation circuit including MIT device and method of adjusting oscillation frequency of the oscillation circuit Oct. 4, 2011
8031023 Crystal oscillator for surface mounting Oct. 4, 2011
7940134 Active YIG oscillator driving device and driving method thereof May. 10, 2011
7872540 Oscillator device and transmitter module using same Jan. 18, 2011
7868708 Method and apparatus for making a highly uniform low-stress single crystal by drawing from a melt and uses of said crystal Jan. 11, 2011
7839226 Method and apparatus for effecting stable operation of resonant tunneling diodes Nov. 23, 2010
7683681 Injection-locked frequency divider embedded an active inductor Mar. 23, 2010
7635903 Oscillator and method of manufacture Dec. 22, 2009
7629857 Second harmonic oscillator Dec. 8, 2009
7307581 Mounting structure of high-frequency semiconductor apparatus and its production method Dec. 11, 2007
7039885 Methodology for design of oscillator delay stage and corresponding applications May. 2, 2006
7009429 Method and circuit for compensating MOSFET capacitance variations in integrated circuits Mar. 7, 2006
7002421 Method and circuit for compensating MOSFET capacitance variations in integrated circuits Feb. 21, 2006
6876265 System and method for using a saw based RF transmitter for AM modulated transmission in a TPM Apr. 5, 2005
6853262 Voltage-controlled oscillator circuit which compensates for supply voltage fluctuations Feb. 8, 2005
6836190 Oscillator device and electronic apparatus using the same Dec. 28, 2004
6807509 Method and systems to measure propagation delay in semiconductor chips Oct. 19, 2004
6791426 Balanced oscillator and electronic apparatus including the same Sep. 14, 2004
6731169 Differential amplifier circuit May. 4, 2004
6714086 Symmetric oscillators Mar. 30, 2004
6674334 Oscillator having surface acoustic wave resonator and oscillation circuit Jan. 6, 2004
6545553 Oscillator for generating microwave radiation, and method of assembling an oscillator Apr. 8, 2003
6420937 Voltage controlled oscillator with power amplifier Jul. 16, 2002
6380817 Oscillators with the multi-layer non-radiative dielectric waveguide structure Apr. 30, 2002
6363036 Light clock Mar. 26, 2002
6326858 Oscillator circuit with thermal feedback Dec. 4, 2001
6285063 Resonant circuit having a resonant body mechanically oscillated by electrostatic or magnetic forces Sep. 4, 2001
6225756 Power oscillator May. 1, 2001
6091356 Chirp source with rolling frequency lock for generating linear frequency chirps Jul. 18, 2000
6054403 Semiconductive ceramic and semiconductive ceramic element using the same Apr. 25, 2000
6014064 Heterolithic voltage controlled oscillator Jan. 11, 2000
6009534 Fractional phase interpolation of ring oscillator for high resolution pre-compensation Dec. 28, 1999
5994971 Oscillator using a time constant circuit based on cyclic heating and cooling Nov. 30, 1999
5900788 Low-noise oscillator circuit having negative feedback May. 4, 1999
5856764 Oscillation circuit having an active circuit portion and a surface acoustic wave resonance device Jan. 5, 1999

1 2 3

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