Data transmission system of optto-couplers

Communications: electrical – Continuously variable indicating – With meter reading

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34082582, 455601, 307311, H04Q 100

Patent

active

046397272

ABSTRACT:
A data transmission system having a plurality of devices mutually connected by electric lines affording data transmission therebetween in both directions, the devices having at least one data output and a data input separated from the data output, including an optocoupler and an electrical receiving unit contained in at least one of the devices, the optocoupler having an input connected to the data input of the one device, and having an output connected to the electrical receiving unit of the one device.

REFERENCES:
patent: 4161650 (1979-07-01), Caouette et al.
patent: 4176401 (1979-11-01), Lonberger
patent: 4233589 (1980-11-01), Rawson et al.
patent: 4363121 (1982-12-01), Schlyter
patent: 4420841 (1983-12-01), Dudash
patent: 4596984 (1986-06-01), Egami

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