Communications: electrical – Condition responsive indicating system – Specified indicator structure
Patent
1999-05-13
2000-10-03
Lee, Benjamin C.
Communications: electrical
Condition responsive indicating system
Specified indicator structure
3406939, 340577, 3403841, 34081573, 34081574, 3403961, 3403911, 3406915, G08B 1702
Patent
active
061279358
ABSTRACT:
A system for mounting two alarm-indicating or condition-sensing modules side-by-side onto a junction box provides installation flexibility to locate a particular module on the right or left side of the respective other module. A loudspeaker module can be centered on the junction box and a strobe light module can be placed either on the right side or the left side of the junction box by 180.degree. rotation of a common elongated rectangular frame and 180.degree. rotation of the strobe light module with respect to the frame. The loudspeaker module includes fastener receiving holes aligned with fastener engagement holes of a standard 4".times.4" junction box for securing the loudspeaker module and the common frame with the strobe light module attached thereto, to the junction box. The frame includes a recessed region to receive and support the strobe light module. A shroud can be provided under the frame to cover a surface mounted junction box and to provide an integrated and architecturally pleasing installation.
REFERENCES:
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patent: 5805071 (1998-09-01), Hur
patent: 5914665 (1999-06-01), Thorp et al.
patent: 5969627 (1999-10-01), Tarlton et al.
patent: 6057778 (2000-05-01), Davidson
Anderson Douglas J.
Davidson Curtis R.
Lee Benjamin C.
Pittway Corporation
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