×

Remote control system for use with a telephone

  • US 4,491,690 A
  • Filed: 02/22/1983
  • Issued: 01/01/1985
  • Est. Priority Date: 02/22/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. A remote control system for use in combination with a conventional telephone and associated telephone lines for transmitting actuating signals to a controlled device comprising:

  • dialing data detecting means coupled with the telephone lines providing telephone service in a premises for detecting dialing data from the lines;

    first decoding means connected with the dialing data detecting means for detecting a programmed access code from detected dialing data;

    second decoding means also connected to the dialing data detecting means and enabled by the first decoding means when the programmed access code has been detected for detecting a device code from the dialing data and producing an actuating signal for a controlled device;

    ring counting means coupled to the telephone lines on the premises for counting the number of rings on an incoming line from distant calling stations;

    ring count decoding means connected with the ring counter for detecting ring counts corresponding in number uniquely with a controlled device and producing an actuating signal; and

    actuating means coupled to a controlled device and responsive to one of the actuating signals from the second decoding means and the ring count decoding means for actuating the controlled device in accordance with the signal whereby a controlled device can be actuated from both distant stations and telephones on the premises.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×