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Method of controlling the electric power supplied to a modem

  • US 4,996,706 A
  • Filed: 05/01/1989
  • Issued: 02/26/1991
  • Est. Priority Date: 12/02/1986
  • Status: Expired due to Term
First Claim
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1. A method of controlling the supply of electrical power to a modem during those times in which data is being transmitted and received, said method including the steps of:

  • supplying electrical power to a controller adapted for detecting both a data transmission signal and a calling signal while said modem is at a standby mode of operation;

    terminating said standby mode of operation in response to detection of any of said data transmission signal and said calling signal by said controller; and

    thereafterreturning said modem to said standby mode of operation by determining the absence of an operating command associated with any of said data transmission signal and said calling signal at a predetermined time interval after detection of any of said data transmission signal and said calling signal by said controller.

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