Electrical transmission or interconnection systems – Plural load circuit systems – Selectively connected or controlled load circuits
Patent
1983-12-22
1985-11-19
Eisenzopf, Reinhard J.
Electrical transmission or interconnection systems
Plural load circuit systems
Selectively connected or controlled load circuits
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
Hamano Fumio
Hirayama Takeshi
Oho Shigeru
Eisenzopf Reinhard J.
Hitachi , Ltd.
Jennings Derek S.
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