Optical port multiplexer for electric metering equipment

Details Optical port multiplexer for electric metering equipment Optical port multiplexer for electric metering equipment

1990-05-21

1991-04-23

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

Via radiant energy beam

34087002, 324 96, 324113, 324157, 346 14MR, G08B 1700, G01R 1304

Patent

active

050103350

ABSTRACT:
A single optical port in an electric meter is multiplexed between at least two internal systems by using a multiplexer circuit which has a set of data lines which can be connected to the optical port and to one of the internal systems. The multiplexer is controlled by means of a magnetic reed switch which is mounted within the cover of the meter, so no mechanical changes to the meter cover are required.

REFERENCES:
patent: 3943498 (1976-03-01), McClelland, III
patent: 4298839 (1981-11-01), Johnston
patent: 4491791 (1985-01-01), Balch et al.
patent: 4491792 (1985-01-01), Bullock et al.
patent: 4584527 (1986-04-01), Amigo

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