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Class Information
Number: 331/101
Name: Oscillators > With distributed parameter resonator > Coaxial or shielded line type
Description: Subject matter wherein the frequency determining network comprises at least two elongated conductors, one of the conductors being enclosed by and electrically shielded by the other conductor, the conductors being so arranged that their longitudinal axes are parallel or coincident (i.e., coaxial line).


Sub-classes under this class:

Class Number Class Name Patents
331/102 Push-pull type 7


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
6859118 System and method for an ultra low noise micro-wave coaxial resonator oscillator using 5/8ths wavelength resonator Feb. 22, 2005
6768266 Microwave pulse generator incorporating a pulse compressor Jul. 27, 2004
6338105 Data transmission method and game system constructed by using the method Jan. 8, 2002
6297704 Oscillation circuits featuring coaxial resonators Oct. 2, 2001
6275118 Push-push oscillator Aug. 14, 2001
6232843 Plural coupled microwave oscillators providing phase shifted output signals May. 15, 2001
6147563 Coupled cavity oscillator producing output signals with a constant phase difference Nov. 14, 2000
5714913 Discrete monotron oscillator having one-half wavelength coaxial resonator with one-quarter wavelength gap spacing Feb. 3, 1998
5691670 Integrated microwave-silicon component Nov. 25, 1997
5508665 Oscillator operable in a high impedance mode Apr. 16, 1996
5130673 Varactor tuned coax resonator Jul. 14, 1992
5045825 Coupling port for multiple capacitor, distributed inductor resonator Sep. 3, 1991
4668924 Free electron diode oscillator May. 26, 1987
4623849 Broadband high power IMPATT amplifier circuit Nov. 18, 1986
4588963 Microwave power combiner with alternating diode modules May. 13, 1986
4571525 Resonant coaxial cavities for a grid vacuum tube Feb. 18, 1986
4521747 Suspended stripline varactor-tuned Gunn oscillator Jun. 4, 1985
4504801 Microwave power generator with dual coaxial lines connected to transistor Mar. 12, 1985
4491806 Resonant cavity with integrated microphonic suppression means Jan. 1, 1985
4482871 Wideband VCO including variable capacitive output coupling varactor for constant power output Nov. 13, 1984
4471325 Power combiner with reentrant coaxial diode oscillators Sep. 11, 1984
4470021 Power combiner for coaxial diode oscillators Sep. 4, 1984
4468633 Adjustable microwave power combiner for a plurality of coaxially mounted impatt diodes Aug. 28, 1984
4429287 Coaxially coupled tunable oscillator using a ridge waveguide Jan. 31, 1984
4283689 Microwave oscillator circuit with improved efficiency Aug. 11, 1981
4238747 Mode filter apparatus Dec. 9, 1980
4228539 High frequency transmitter Oct. 14, 1980
4211984 Oscillating circuit arrangements for high frequency industrial generators Jul. 8, 1980
4189684 Microwave power combiner Feb. 19, 1980
4188590 Conical power combiner Feb. 12, 1980
4172240 Cylindrical cavity power combiner for a plurality of coaxial oscillators Oct. 23, 1979
4162458 TM coaxial cavity oscillator and power combiner Jul. 24, 1979
4155051 Harmonically tuned high power voltage controlled oscillator May. 15, 1979
4147994 Power combiner Apr. 3, 1979
4143334 Microwave/millimeter wave oscillator Mar. 6, 1979
4121174 Adjustable microwave power combiner for plurality of coaxial circuits Oct. 17, 1978
4100510 Stabilization systems for IMPATT diode microwave oscillators or amplifiers, and similar active components Jul. 11, 1978
4097817 Cylindrical cavity power combiner for plurality of coaxial oscillators Jun. 27, 1978
4097821 Coaxial line IMPATT diode oscillator Jun. 27, 1978
4097822 Broad-band cavity-tuned transistor oscillator Jun. 27, 1978
4091337 Coaxial cavity microwave oscillator with manually adjustable capacitive feedback element May. 23, 1978
4075578 Accumulating cavity microwave oscillator Feb. 21, 1978
4066979 Negative resistance microwave circuit comprising one or more pairs of diodes Jan. 3, 1978
4053854 Q switching microwave oscillator Oct. 11, 1977
4048589 Receiver module and components thereof Sep. 13, 1977
4041412 High power, pulsed microwave frequency converter Aug. 9, 1977
4035743 Radio frequency oscillator Jul. 12, 1977
4034312 Microwave oscillator using a transit time transistor Jul. 5, 1977
4034314 Microwave diode coaxial circuit oscillator improvement Jul. 5, 1977
4031486 Medium Q high power dual cavity oscillator Jun. 21, 1977

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