Junction device with logic and expansion capability

Details Junction device with logic and expansion capability Junction device with logic and expansion capability

2006-06-29

2008-10-28

Sherry, Michael J (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Condition responsive

C439S265000, C439S620010, C439S620040, C439S620110, C439S620130

Reexamination Certificate

active

07443056

ABSTRACT:
A junction box receives a plurality of input signals. The input signals are combined in accordance with AND logic to provide an output signal when all input signals are present. Multiple junction boxes may be connected to one another to increase the number of input signals that are accepted.

REFERENCES:
patent: 3711827 (1973-01-01), Houseman
patent: 4072936 (1978-02-01), Spirig
patent: 5460210 (1995-10-01), Koeninger
patent: 5495228 (1996-02-01), Futsuhara et al.
patent: 6271747 (2001-08-01), Fendt et al.
patent: 6812593 (2004-11-01), Fisher et al.

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