Patents Assigned to Datamatic, Ltd
  • Automated meter reader device having optical sensor with automatic gain control
    Patent number: 7042368
    Abstract: The present invention achieves technical advantages as an AMR device and method of use having an optical transceiver adapted to read analog meter faces. The transceiver advantageously includes an optical receiver having an amplifier receiving signals from photodiodes and further including an automatic gain control. A gain of the optical receiver amplifier is programmable to compensate for parameters affecting the photodiodes in the optical receiver.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: May 9, 2006
    Assignee: Datamatic, Ltd
    Inventors: Tim Patterson, Erwin Holowick, Kenneth J. Derry, Jason R. Pinkham