Patents Assigned to Microwave Development Laboratories, Inc.
  • Patent number: 5115563
    Abstract: A method of assembling an electrical connector that includes an outer conductor body, an inner conductor and a resilient and deformable insulating sleeve. The method includes providing a bore in the rigid outer conductor body having an inwardly directed substantially annular ridge extending therefrom defining a minimum bore diameter of the outer connector body. A bore is provided in the insulating sleeve along with a substantially annular recess in the outer surface of the sleeve. The maximum diameter of the insulating sleeve is provided greater than the minimum bore diameter of the outer conductor body when the insulating sleeve is at a rest position. The next step is inserting the insulating sleeve into the bore of the rigid outer conductor body to a position in which the rigid outer conductor body ridge is in alignment with the insulating sleeve recess.
    Type: Grant
    Filed: November 7, 1990
    Date of Patent: May 26, 1992
    Assignee: Microwave Development Laboratories, Inc.
    Inventor: Ronald A. Wilson
  • Patent number: 4971578
    Abstract: An electrical connector having inner and outer conductors along with an insulating sleeve therebetween. The inner conductor has three recesses disposed therealong including a middle recess and oppositely disposed remote recesses. A pair of spaced rings are disposed respectively between the middle recess and remote recesses. The rings each are of a diameter greater than the middle recess diameter and are dimensioned so that the connector is well-matched over a broad frequency band.
    Type: Grant
    Filed: August 24, 1989
    Date of Patent: November 20, 1990
    Assignee: Microwave Development Laboratories, Inc.
    Inventor: Ronald A. Wilson
  • Patent number: 4670724
    Abstract: A stub-support arrangement for a coaxial transmission line wherein the line has inner and outer conductors and the stub is in the form f oppositely disposed stubs each having a length of 1/8 wavelength at the center operating frequency or less. One of the stubs is an open-circuit stub and the other is a short-circuit stub. In the case of the stubs being of 1/8 wavelength, the characteristic admittances of the stubs are equal and in the case of the stubs being less than 1/8 wavelength the characteristic admittance of the open-circuit stub becomes larger and that of the short-circuit stub becomes smaller as the physical length of the stub is reduced.
    Type: Grant
    Filed: July 22, 1985
    Date of Patent: June 2, 1987
    Assignee: Microwave Development Laboratories, Inc.
    Inventors: Gordon P. Riblet, Ronald A. Wilson
  • Patent number: 4007903
    Abstract: A microwave circulator is die cast as a unitary casing by the apparatus of this invention. The circulator is characterized by two-fold symmetry regarding the external dimensions of the device and three-fold symmetry regarding the internal dimensions of the device in the central coupling area. The casing defining the circulator is poured in a single operation with the use of three independently employed cores which define the three ports of the circulator.
    Type: Grant
    Filed: September 18, 1975
    Date of Patent: February 15, 1977
    Assignee: Microwave Development Laboratories, Inc.
    Inventor: Gordon Riblet