Patents Assigned to Ithaco, Incorporated
  • Scanning horizon sensors using an inner and an outer radiation senstive detector
    Patent number: 5095199
    Abstract: Method and apparatus for accurately determining the horizon position of a celestial body is disclosed in the form of inner and outer detector portions arranged generally-concentrically relative to an optical axis. Difference-determining electrical circuitry determines a difference between the outputs of the two detectors.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: March 10, 1992
    Assignees: Ithaco Incorporated, Space Sonics, Inc.
    Inventors: Vaughn Selby, James J. Fallon
  • Gravidity detection method and apparatus
    Patent number: 4111054
    Abstract: Ultrasonic detection of early pregnancy in sows and like animals is enhanced by basing an assumption of pregnancy upon detection of a substantially echo-free animal zone of predetermined width or greater which may occur over a substantial range of animal depths, combined with detection of a distinct echo from a greater depth than the echo-free zone.
    Type: Grant
    Filed: August 22, 1977
    Date of Patent: September 5, 1978
    Assignee: Ithaco, Incorporated
    Inventors: Hans G. Jorgensen, B. Wendell Hautaniemi
  • Ultrasonic inspection apparatus
    Patent number: 3964297
    Abstract: Trains of echo signals occurring from repetitively transmitted ultrasonic pulses are stored in a shift register in accordance with their times of occurrence, and the stages of the shift register are connected to illuminate respective light-emitting diodes arranged in a linear array, providing a display indicating the depths of density changes in animal matter or the like being inspected.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: June 22, 1976
    Assignee: Ithaco, Incorporated
    Inventors: Hans G. Jorgensen, B. Wendell Hautaniemi