Patents Assigned to Associated Controls & Communications, Inc.
  • Method and apparatus for locating position in a waterway
    Patent number: 4117482
    Abstract: An electromagnetic energy pulse-echo system combined with a data processing unit and a memory storing the locations of a number of fixed echo reflectors relative to a waterway so that the pulse-echo system operating from a boat can register the echo reflectors and positions in the waterway can be calculated by the data processing unit.
    Type: Grant
    Filed: July 7, 1977
    Date of Patent: September 26, 1978
    Assignee: Associated Controls & Communications, Inc.
    Inventors: Joseph Jepsky, Irvin S. Englander, James E. Williams