Electrical transmission or interconnection systems – Plural load circuit systems – Selectively connected or controlled load circuits
Patent
1996-03-22
1997-07-01
Shoop, Jr., William M.
Electrical transmission or interconnection systems
Plural load circuit systems
Selectively connected or controlled load circuits
307 38, 364273, 3642731, 3642732, 3642734, 3642735, 364492, 364707, 395280, 395290, 395298, H02J 314
Patent
active
056441746
ABSTRACT:
An AC sequencer receives source AC voltage via a sequencer-mounted universally accepted connector, such as an IEC 309 compatible connector. Source AC is coupled by an AC connector plug and AC power cord from a wall socket to the AC sequencer via a mating connector. Although specifications for the AC power cord and AC connector will vary from country to country, the same AC sequencer may be used in many countries. Further, the AC sequencer receives control and status signals via sequencer-mounted universally accepted connectors, and can respond to signals that may be voltage-sourced, current-sourced, in addition to signals representing switch openings and closures. This permits a master server AC sequencer to be intelligently daisy-chained to remote slave units containing a similar AC sequencer, such that status information may be received from and control signals sent to the slave unit.
REFERENCES:
patent: 4593349 (1986-06-01), Chase et al.
patent: 5081609 (1992-01-01), Getson et al.
patent: 5375209 (1994-12-01), Maher et al.
patent: 5490254 (1996-02-01), Ziegler et al.
patent: 5563455 (1996-10-01), Cheng
Cheng Chin Y.
Ho Stimson
Paladini Albert W.
Shoop Jr. William M.
Sun Microsystems Inc.
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