Title:
DATA TRANSMITTER
Document Type and Number:
Japanese Patent JPS5750149
Kind Code:
A
Abstract:
This invention relates to a novel two-wire, two-way optically insulated communication technique for minimizing hardware and wiring of a data communication system. A control station (20) is in data communication with a plurality of remote stations (22-1, 22-2, ... 22-n). Each remote station includes a receiving opto-isolator device (26) and a transmitting opto-isolator device (28), each having an LED and an associated light detector. The LED (40) of the receiving opto-isolator is in series circuit arrangement with the detector (46) of the transmitting opto-isolator. A plurality of remote stations are provided either in series or parallel circuit configuration. If in series configuration, a bypass circuit (90) may be provided in the event of a failure of a particular remote station.
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Inventors:
CHIYAARUZU KURISUTOFUAA MATSUK
MAAKU EDOWAADO EIKUMAN
UEIN RUISU DEYUFUEKU
EDOWAADO EBAAHAADO KOPITSUKII
MAAKU EDOWAADO EIKUMAN
UEIN RUISU DEYUFUEKU
EDOWAADO EBAAHAADO KOPITSUKII
Application Number:
JP10832381A
Publication Date:
March 24, 1982
Filing Date:
July 13, 1981
Export Citation:
Assignee:
WESTINGHOUSE ELECTRIC CORP
International Classes:
H04B10/556; H04B10/00; H04B10/038; H04B10/075; H04B10/114; H04B10/524; H04L12/40; H04L25/26; H04Q9/00; (IPC1-7): H04B9/00; H04L11/00
Domestic Patent References:
| JPS5317364A | 1978-02-17 | |||
| JPS5429049A | 1979-03-03 | |||
| JPS5230816U | 1977-03-04 | |||
| JPS5392603A | 1978-08-14 |