Plug-In Speaker for Emergency Notification and Voice Evacuation
First Claim
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1. An alarm notification device comprising:
- a base with a plurality of wire receiving terminals and a plurality of unit engaging contacts, each terminal is coupled to a respective contact; and
an alarm unit, the unit releasibly engages the base and is electrically coupled to at least some of the terminals via the contacts;
the alarm unit is movable along an axis that intersects the base, the alarm unit includes at least an audible output transducer.
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Accused Products
Abstract
An alarm indicating output appliance can be releasibly affixed to a mounting plate. The plate carries wire receiving terminals which couple to the appliance. In the absence of the appliance, at least two of the terminals can be short circuited.
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Citations
19 Claims
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1. An alarm notification device comprising:
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a base with a plurality of wire receiving terminals and a plurality of unit engaging contacts, each terminal is coupled to a respective contact; and an alarm unit, the unit releasibly engages the base and is electrically coupled to at least some of the terminals via the contacts;
the alarm unit is movable along an axis that intersects the base, the alarm unit includes at least an audible output transducer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus comprising:
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a substantially planar monitoring plate, the plate carrying a plurality of wire connectable terminals, two of the terminals carrying first and second shorting elements, the elements open circuit the terminals in response to an applied force; and a verbal and a visual output unit, the unit engages the plate while moving in one of, a direction generally perpendicular to the plate, or, a direction generally parallel to the plate. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification