Patents Represented by Attorney John E. Holford

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  • Microwave image converter
    Patent number: 4280055
    Abstract: A microwave detector and microwave image-to-visible image converter is prded for a microwave receiver which employs an array of electroluminescent devices. Circuit means is also provided to bias these devices close to or beyond the point where they become relaxation oscillators in order to further sensitize them to microwaves. Finally, active optical means is provided to increase the visible intensity and/or contrast of the visible image.
    Type: Grant
    Filed: February 8, 1980
    Date of Patent: July 21, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Reinhold Gerharz
  • Infrared viewer and spectral radiometer
    Patent number: 4280050
    Abstract: The invention provides a combined spectral radiometer and infrared viewer r use in the infrared and particularly the far infrared portion of the electromagnetic spectrum. A standard thermal viewer is modified by the addition of a temperature reference, a variable filter, a recording minicomputer and circuitry to intercouple these elements and synchronize their functions without impairing the use of the view in its normal make of operation.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: July 21, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Robert E. Callender, Loren C. Doyle, William J. Lightel
  • Method for growing crystals
    Patent number: 4264406
    Abstract: A method is provided to liquify and then freeze a crystallizable stoichiometric compound so that a large well defined interface between simultaneous liquid and solid phases moves at a preprogrammed rate through the compound without moving the compound or the vessel in which it is contained.
    Type: Grant
    Filed: June 11, 1979
    Date of Patent: April 28, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Michael Hacskaylo
  • Retina for pyroelectric vidicon
    Patent number: 4246510
    Abstract: A retina is provided for a pyroelectric vidicon which is rugged, long liv and has increased resistance to contamination by normal environments encountered during testing and subsequent installation in the vidicon tube.
    Type: Grant
    Filed: January 7, 1976
    Date of Patent: January 20, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Wellman L. Clark, John T. Cox, Gerald Klauber, Ferdinand C. Petito, John B. Ramsey, Jr., John E. Waylonis
  • Ballistic drive synchronizer
    Patent number: 4218912
    Abstract: A method and apparatus is provided to measure and adjust the tracking error etween a computer controlled ballistic drive mechanism such as is used on the main gun of the U.S. Army's main battle tank and its sight mechanism.
    Type: Grant
    Filed: January 5, 1979
    Date of Patent: August 26, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Edward A. Antesberger
  • Vacuum sealed manipulator
    Patent number: 4212575
    Abstract: The invention provides one or more externally controlled manipulators for a enerally circularly cylindrical vacuum chamber; which manipulators are capable of small precision translations in three orthogonal directions and can grasp and transport a sample around the chamber on a circular path, rotate the sample 180.degree. about a radius of the path and after releasing the sample into a chamber fixture for storing, processing and/or testing is free to address other samples.
    Type: Grant
    Filed: August 2, 1978
    Date of Patent: July 15, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: E. Vincent Patrick, Howard K. Dickson
  • Vacuum interlock
    Patent number: 4212317
    Abstract: The invention provides a two part vacuum interlock for a vacuum chamber wh utilizes the chamber itself as an interconnecting member.
    Type: Grant
    Filed: August 2, 1978
    Date of Patent: July 15, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: E. Vincent Patrick, Howard K. Dickson, Howard L. Dunmire
  • Microchannel plate in wall fabrication, method and apparatus
    Patent number: 4198225
    Abstract: A method and apparatus is provided for manufacturing microchannel-plate-iall structures (MIW's) wherein the electrical properties of the microchannel plate are protected by the localized application of a cover gas.
    Type: Grant
    Filed: April 20, 1979
    Date of Patent: April 15, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: E. Vincent Patrick, Lewis C. Spessard, Kurt Villhauer
  • Optimized cooler dewar
    Patent number: 4190106
    Abstract: The invention provides an elastic interface between a cooler dewar and an electronic cold finger which utilizes multitudinous conduction paths consisting of specialized bent fibers.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: February 26, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Howard L. Dunmire, Stuart B. Horn
  • Photodiode and method of manufacture
    Patent number: 4170781
    Abstract: A process is described in which planar photodiodes are formed by diffusing lead into p-type Pb.sub.0.8 Sn.sub.0.2 Te single crystal material.
    Type: Grant
    Filed: April 6, 1978
    Date of Patent: October 9, 1979
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: John T. Cox, Michael B. Garber, Marilyn A. Jasper, Randolph E. Longshore
  • Thermal camouflage
    Patent number: 4156033
    Abstract: A method of camouflaging infrared targets is provided by coating the target ith a layer of foam plastic which is randomly varied in thickness or density and color.
    Type: Grant
    Filed: February 23, 1978
    Date of Patent: May 22, 1979
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Earl F. Bienz
  • Thermal camouflage
    Patent number: 4142015
    Abstract: A thermal and visible camouflage is provided for military equipment and the ike, which consists of a layer of foamed plastic that varies randomly in its insulating effect as a function of its position on the surface and may also include uniform coatings under the layer on the hottest portions of the surface.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: February 27, 1979
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Earl F. Bienz
  • Method of manufacture and retina for pyroelectric vidicon
    Patent number: 4104771
    Abstract: A method of fabricating a retina and mounting it in a pyroelectric vidicon s provided wherein the pyroelectric material is polished, etched and coated with metal on one broad side and with a dielectric layer on the opposite (electron beam) side.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: August 8, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Wellman L. Clark, John T. Cox, Gerald Klauber, Ferdinand C. Petito, John B. Ramsey, Jr., John E. Waylonis
  • Test cell holder
    Patent number: 4101824
    Abstract: A test assembly and wafer tube holder are provided to permit comparative ts of each elemental surface portion of a tube target as a function of position thereon and as a function of the lifetime of the tube.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: July 18, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Harold W. Breedlove, Walter L. Brown
  • Balanced compressor
    Patent number: 4092829
    Abstract: A compressor for a cryogenic cooler such as the Stirling cycle type or eqalent related types is provided in which all the forces and moments generated by its moving parts are balanced to eliminate noise and vibration.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: June 6, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Peter Durenec
  • Temperature control device
    Patent number: 4087687
    Abstract: The invention is a temperature stabilizing device employing a liquid crys wherein the crystal is itself stabilized to provide a thermal viewing element.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: May 2, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Gerald T. Bean
  • Aiming/sighting device
    Patent number: 4070763
    Abstract: An aiming device is provided which combines the directional properties of llow micro-channel or similar fibers and the light radiation properties of Day-Glo plastics and phosphorescent paints.
    Type: Grant
    Filed: December 3, 1976
    Date of Patent: January 31, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Stanley L. Carts, Jr.
  • Step graded photocathode
    Patent number: 4053920
    Abstract: A method is provided for making an improved photocathode wherein a step ged substrate links a semitransparent cathode made from one p-type III-V compound or complex to a different III-V compound in the form of a host crystal.
    Type: Grant
    Filed: December 21, 1976
    Date of Patent: October 11, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Ronald E. Enstrom
  • Channel plate multiplier having higher secondary emission coefficient near input
    Patent number: 4051403
    Abstract: An improved microchannel plate is provided by adding a coating or coatings o the input end of the channels which have a much higher second emission coefficient than the material which forms the body of the plate.
    Type: Grant
    Filed: August 10, 1976
    Date of Patent: September 27, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Robert M. Feingold, Carl W. Hoover, Jr., John Rennie
  • Optical system for thermal imager
    Patent number: 4051370
    Abstract: An infrared chopper device for use with a starting thermal imaging system, uch as a pyroelectric vidicon, is provided which utilizes liquid crystal technology.
    Type: Grant
    Filed: August 24, 1976
    Date of Patent: September 27, 1977
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: Vincent T. Bly