Patents Assigned to Dynatel Corporation
  • System and method for determining capacitance and cable length in the presence of other circuit elements
    Patent number: 4103225
    Abstract: Method and apparatus utilizing constant current charging and discharging to determine the capacitance of a telephone cable or other circuit element. An output signal corresponding to the time required to increase the voltage from a first level to a second level and back to the first level corresponds to the capacitance of the element and, in the case of a cable, the length of the cable.
    Type: Grant
    Filed: January 5, 1977
    Date of Patent: July 25, 1978
    Assignee: Dynatel Corporation
    Inventor: Berton H. Stephens