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Apparatus for storing data relating to television viewing

  • US 4,578,700 A
  • Filed: 05/24/1984
  • Issued: 03/25/1986
  • Est. Priority Date: 05/25/1983
  • Status: Expired due to Fees
First Claim
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1. An arrangement for storing data received from a TV monitoring system and for transmitting the data to a remote computer by means of a telephone line, the arrangement comprising:

  • a memory for storing the data;

    means for measuring successive periods of time;

    means for defining a plurality of data access time slots in each of the successive periods of time;

    a telephone instrument coupled to the telephone line;

    a first switch for selectively isolating the telephone instrument from the telephone line during the data access slots;

    means for detecting an incoming call during a data access slot and for seizing the line;

    a second switch for selectively isolating the detection means from the telephone line outside of the data access slots;

    means for ascertaining whether the incoming call is from the remote computer;

    means responsive to the ascertaining means for causing the data to be transmitted from the memory to the remote computer when the incoming call is ascertained as being from the remote computer;

    means for dropping the line and then actuating the first switch to reconnect the telephone instrument to the telephone line for the remainder of the current data access slot, when the ascertaining means ascertains that the incoming call is not from the remote computer;

    means for actuating the second switch to connect the detecting means to the telephone line for the next available data access slot; and

    means for controlling the second switch actuating means to inhibit connection of the detection means to the telephone line during the data access slots of a period which follows successful transmission of the data to the remote computer in an access slot of the period.

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