Patents Assigned to Metretek Incorporated
  • Apparatus and method for remote sensor monitoring, metering and control
    Patent number: 4455453
    Abstract: A remote unit for a remote meter reading system. The remote unit initiates a telephone call to a central complex at a predetermined callback time. In response to an acknowledgement signal indicative of a completed connection, the remote unit transmits indicia of its indentity and collected data. The central complex responds with an instruction word, to control the next scheduled callback time and operational mode of the remote unit. Error code, load management and demand metering provisions are disclosed.
    Type: Grant
    Filed: December 23, 1980
    Date of Patent: June 19, 1984
    Assignee: Metretek, Incorporated
    Inventors: Theodoros G. Parasekvakos, W. Thomas Bushma
  • Apparatus and method for remote sensor monitoring, metering and control
    Patent number: 4241237
    Abstract: A remote unit for a remote meter reading system. The remote unit initiates a telephone call to a central complex at a predetermined callback time. In response to an acknowledgement signal indicative of a completed connection, the remote unit transmits indicia of its identity and collected data. The central complex responds with an instruction word, to control the next scheduled callback time and operational mode of the remote unit. Error code, load management and demand metering provisions are disclosed.
    Type: Grant
    Filed: January 26, 1979
    Date of Patent: December 23, 1980
    Assignee: Metretek Incorporated
    Inventors: Theodoros G. Paraskevakos, W. Thomas Bushman