Electrical transmission or interconnection systems – Switching systems – Plural switches
Patent
1981-05-26
1982-10-26
Griffin, Donald A.
Electrical transmission or interconnection systems
Switching systems
Plural switches
H01H 1914
Patent
active
043564046
ABSTRACT:
This is a circuit for use to increase the number of bus circuit boards in a closed loop bus configuration. This circuit detects which bus circuit board is the last circuit board equipped in a closed loop configuration and closes the bus at that circuit, without requiring wiring changes or "dummy" circuit boards.
REFERENCES:
patent: 3111653 (1963-11-01), Massell et al.
patent: 3312941 (1967-04-01), Booth et al.
Comfort Joseph A.
Loos Michel
Perry Thomas J.
Black Robert J.
Bogacz Frank J.
Griffin Donald A.
GTE Automatic Electric Labs Inc.
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