×

Sequence inversion keyed countdown timer utilized within a utility meter system

  • US 20050052288A1
  • Filed: 07/28/2004
  • Published: 03/10/2005
  • Est. Priority Date: 09/05/2003
  • Status: Active Grant
First Claim
Patent Images

1. An automatic meter reading (AMR) system, comprising;

  • a head end controller;

    an endpoint interfaced to a utility meter, wherein said endpoint includes and internal clock, wherein said head end controller is capable of communicating with said endpoint via RF communication, wherein said head end controller generates a clock countdown signal through the use of sequence inversion keying (SIK), and wherein said endpoint synchronizes said internal clock to said clock countdown signal during generation of said clock countdown signal by said head end controller.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×