Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1992-07-28
1995-08-08
Swann, Glen
Communications: electrical
Condition responsive indicating system
Specific condition
160374, 206407, 229126, 340545, 340547, 340600, G08B 1312
Patent
active
054402891
ABSTRACT:
A combined alarm system and window covering assembly has a top housing assembly, a bottom housing and a covering. A conductive wire extends from the top housing assembly down to the bottom assembly and up from the bottom assembly to the top housing assembly and is used for raising and lowering the covering and the bottom housing. The conductive wire is electrically coupled to an alarm device. An enclosure is adapted to cover to the top housing assembly and an alarm device is disposed in the enclosure. A rotatable electrical connector and a roll-up mechanism for raising and lowering the covering and the bottom assembly may also be disposed in the top housing. The rotatable electrical connector electrically couples the alarm device to the conductive wire. An optical fiber may replace the conductive wire. An optical switching assembly includies a light bulb, an optical relay switch and a battery with the optical relay switch being optically coupled to the optical fiber and electrically coupled to the alarm device.
REFERENCES:
patent: 3051935 (1962-08-01), Willson
patent: 3205482 (1965-09-01), Taylor, Jr. et al.
patent: 4232309 (1980-11-01), Dillitzer
patent: 4281320 (1981-07-01), Rosenberg
patent: 5049855 (1991-09-01), Slemon et al.
patent: 5274357 (1993-12-01), Riordan
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