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Telephone line powered system

  • US 5,343,514 A
  • Filed: 12/10/1993
  • Issued: 08/30/1994
  • Est. Priority Date: 12/10/1993
  • Status: Expired due to Fees
First Claim
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1. A telephone line powered system for use with a telephone connected with said telephone line for operation therewith, said system including in combination;

  • a normally open hookswitch;

    an auxiliary control system connected to said telephone line in parallel with said telephone through said hookswitch;

    a first hookswitch control operated by said telephone in an off-hook condition to close said hookswitch and supply power from said telephone line to said auxiliary control system to operate said auxiliary control system to a standby mode at a relatively low power consumption;

    a data input device for supplying data to said telephone line coupled with said auxiliary control system for switching said auxiliary control system to a higher power mode in response to a predetermined operation of said data input device; and

    a second hookswitch control operated by said auxiliary control system in said higher power mode to close said hookswitch transferring control of said telephone line from said telephone to said auxiliary control system and said data input device.

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