Electrical transmission or interconnection systems – Switching systems – Plural switches
Patent
1993-04-13
1996-02-13
Young, Brian K.
Electrical transmission or interconnection systems
Switching systems
Plural switches
307130, 307131, 361191, H04B 300
Patent
active
054913683
ABSTRACT:
In a power feed path switching circuit via which first, second and third stations are coupled to each other in a normal state, a first unit senses a first current flowing in a first path connecting the first and second stations via a branching node and disconnects a second path connecting the third station and the branching node from the branching node when the first current is sensed. A second unit senses a second current flowing in the first path and gradually discharges the second path when the second current is sensed. A third unit senses a third current flowing in the first path and grounds the second path when the third current is sensed.
REFERENCES:
patent: 5214312 (1993-05-01), Inove
Fujitsu Limited
Kaplan Jonathan
Young Brian K.
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