Information transmitting apparatus

Electrical transmission or interconnection systems – Plural load circuit systems – Selectively connected or controlled load circuits

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307 10R, 307 41, 371 22, 371 67, H02G 300

Patent

active

045544611

ABSTRACT:
An information transmitting apparatus includes a transmitting apparatus for transmitting control information; a receiving apparatus for receiving the control information; a transmission line provided between the transmitting apparatus and the receiving apparatus; and a load which operates in response to the output of the receiving apparatus; wherein the transmitting apparatus transmits the control information through the transmission line to the receiving apparatus within a given time period and the receiving apparatus makes the load operative on the basis of the control information received. The receiving apparatus has a circuit for detecting the reception interval of the transmission information from the transmission line and for generating an abnormality signal when that interval becomes a predetermined time or more.

REFERENCES:
patent: 3648052 (1972-03-01), Sognafast et al.
patent: 3819949 (1974-06-01), Ueda et al.
patent: 4118638 (1978-10-01), Huwyler
patent: 4227181 (1980-10-01), Brittain
patent: 4302841 (1981-11-01), McCulloch

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