1
David P Merriam, Dale L Scott, Bryan F Scott: Remote meter reading method and apparatus. Sparton Corporation, Reising Ethington Barnard Perry & Milton, May 10, 1994: US05311581 (64 worldwide citation)

A remote meter reading system has equipment at a telephone company office coupled by modems to a utility company computer which issues requests for customer data. Telephone test trunks are used to access individual meter sites and initiate meter readings using a number of single frequency bursts. Me ...


2
David P Merriam, Dale L Scott, Bryan F Scott: Remote meter reading method and apparatus. Sparton Corporation, Reising Ethington Barnard Perry & Milton, April 23, 1991: US05010568 (40 worldwide citation)

A remote meter reading system has equipment at a telephone company office coupled by modems to a utility company computer which issues requests for customer data. Telephone test trunks are used to access individual meter sites and initiate meter readings using a number of single frequency bursts. Me ...


3
David P Merriam, Dale L Scott, Bryan F Scott: Remote meter reading method and apparatus. Sparton Corporation, Reising Ethington Barnard Perry & Milton, November 3, 1992: US05161182 (16 worldwide citation)

A remote meter reading system has equipment at a telephone company office coupled by modems to a utility company computer which issues requests for customer data. Telephone test trunks are used to access individual meter sites and initiate meter readings using a number of single frequency bursts. Me ...