William R Fowks
Deceased
from Corona, CA
William Fowks Phones & Addresses
- Corona, CA
- 1501 Canterbury Ct, Placentia, CA 92870 • 7149967780
- 4832 Santa Fe St, Yorba Linda, CA 92886
- 5601 Orangethorpe Ave, Anaheim, CA 92807 • 7147778793
Resumes
William Bill Fowks
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Distribution Manager At Becton Dickinson And Co.
view sourceLocation:
Greater Los Angeles Area
Industry:
Medical Devices
Us Patents
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Radio Frequency Source Circuit Primarily For Igniting The Lamp Of A Rubidium Frequency Standard
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US Patent:44568916, Jun 26, 1984
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Filed:Jul 20, 1981
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Appl. No.:6/284416
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Inventors:William R. Fowks - Yorba Linda CA
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Assignee:Rockwell International Corporation - El Segundo CA
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International Classification:H03L 102
H03L 502
H03L 726
H01S 100 -
US Classification:331 3
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Abstract:An improved oscillator circuit primarily for use as an RF source circuit for igniting a light discharge in a rubidium lamp used in a rubidium vapor cell frequency standard. A number of novel features are disclosed including an adjustable power capability dependent on current sensed feedback providing power adjustment over at least a 5-to-1 ratio; lamp heater monitoring for high oscillator power operation during warm-up; and light intensity monitoring for feedback bypass and high oscillator power operation whenever inadequate light discharge is detected.
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Voltage Variable Crystal Controlled Oscillator
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US Patent:44790961, Oct 23, 1984
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Filed:Jul 20, 1981
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Appl. No.:6/285199
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Inventors:William R. Fowks - Yorba Linda CA
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Assignee:Rockwell International Corporation - El Segundo CA
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International Classification:H03B 536
H03L 104
H03L 726 -
US Classification:331 3
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Abstract:A highly stable voltage variable crystal controlled oscillator adapted for stand-alone use or for use with an atomic clock for further stabilizing the oscillator. A novel Colpitts crystal oscillator configuration is employed and utilizes an FET amplifier and bipolar emitter follower configured for power gain without phase shift in the feedback circuit. The oscillator output signal is derived through the crystal which then acts as its own low pass filter to improve the purity of the output signal. A novel buffer/amplifier circuit including a grounded gate FET amplifier and coupling transformer assure frequency stability despite wide ranging load impedance variations. A resilient thermal foam material is used to enclose the temperature and shock sensitive components of the oscillator to provide further frequency stability and rugged construction.
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Programmable Frequency Synthesizer Primarily For Use In An Atomic Clock
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US Patent:44464460, May 1, 1984
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Filed:Jul 17, 1981
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Appl. No.:6/284039
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Inventors:William R. Fowks - Yorba Linda CA
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Assignee:Rockwell International Corporation - El Segundo CA
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International Classification:H03L 718
H03L 726 -
US Classification:331 3
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Abstract:An adjustable frequency synthesizer primarily for use in an atomic frequency standard of the type used for stabilizing a frequency source by locking it to the hyperfine transition resonance of an atomic frequency resonator. The synthesizer is programmable by an externally applied code to provide the proper frequency, electromagnetic resonance field to the atomic frequency resonator. The synthesizer also provides a phase locked frequency modulating signal to produce the resonance deviation signal in the resonator. The broad range and fine frequency increments of the synthesizer permit accommodation of a wide range of resonance frequencies in the atomic frequency resonator to obviate resonator gas pressure and magnetic field variations which would otherwise decrease the production yield of such resonators.
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Lamp Housing Assembly Primarily For The Lamp Of A Rubidium Frequency Standard
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US Patent:44344066, Feb 28, 1984
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Filed:Aug 10, 1981
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Appl. No.:6/291606
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Inventors:William R. Fowks - Yorba Linda CA
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Assignee:Rockwell International Corporation - El Segundo CA
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International Classification:H03L 726
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US Classification:331 3
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Abstract:A lamp assembly primarily for a rubidium frequency standard and having an improved lamp housing configuration including a cast metal housing which acts as an RF shield for the lamp ignition helical coil resonator. The lamp is heated by both a conventional bipolar heater transistor and a heater blanket made of Nichrome etched Inconel encased in a Kapton impregnated fiberglass laminate material, to reduce warm-up time and more reliably distribute the heating function.
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Method For Stabilizing The Resonance Frequency Of A Rubidium Frequency Standard
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US Patent:44620063, Jul 24, 1984
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Filed:Jul 20, 1981
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Appl. No.:6/284920
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Inventors:William R. Fowks - Yorba Linda CA
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Assignee:Rockwell International Corporation - El Segundo CA
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International Classification:H03L 726
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US Classification:331 3
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Abstract:A method and apparatus for stabilizing the resonance frequency of a rubidium frequency standard utilizes control of the intensity of the rubidium-87 lightbeam between the rubidium lamp and rubidium vapor cell. Resonance frequency stabilization is achieved by the present invention by providing adjustment of pumping light intensity until the sensitivity of resonance frequency to changes in cell temperature is minimized and the cell operating temperature is at its turning point, that is, where resonance frequency shift versus temperature goes through a zero slope. By utilizing the invention, the light crossover point, that is, a point of convergence of the family of curves of frequency deviation versus temperature for different levels of rubidium lamp excitation discharge current, can be set equal to the cell turning point. A preferred embodiment of an apparatus for carrying out the method comprises a planar plate positioned between the lamp and the cell and having an aperture aligned with the lightbeam and including adjustable means, such as a threaded opaque object, for partially blocking the lightbeam to selected degrees by decreasing the area of the aperture.
Name / Title
Company / Classification
Phones & Addresses
President
AQTRON, INC
1180 N Tustin Ave, Anaheim, CA 92807
Googleplus
William Fowks
Classmates
Troy High School, Fullert...
view sourceGraduates:
Jennifer Williams (1984-1988),
William Fowks (1974-1978)
William Fowks (1974-1978)
William E Fowks Jr
view sourceFriends:
Jo Mueller, Linda Lighton, Lauran Fowks, Ben Williams, Martha Hoffman, Art Bidz
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Get Report for William R Fowks from Corona, CADeceased