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Information transmitting apparatus

  • US 4,554,461 A
  • Filed: 12/22/1983
  • Issued: 11/19/1985
  • Est. Priority Date: 12/24/1982
  • Status: Expired due to Term
First Claim
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1. Information transmitting system comprising:

  • a transmitting apparatus for transmitting information;

    a receiving apparatus for receiving said transmission information;

    a transmission line provided between said transmitting apparatus and said receiving apparatus; and

    a load which operates in response to the output of said receiving apparatus;

    said transmitting apparatus including means for transmitting said information through the transmission line to said receiving apparatus in a predetermined time period and said receiving apparatus including means for allowing said load to operate on the basis of the transmission information received;

    whereby said receiving apparatus further includes means for detecting the reception interval of the transmission information from the transmission line, including pulse generator means for generating pulses at a given time period and timer means for counting said pulses and for returning the count value thereof to an initial value in response to the reception of said transmission information, and means for generating an abnormality signal when said timer means has reached a count value indicating that said interval is equal to or greater than a predetermined time.

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