Intelligent door plate and chime

Details Intelligent door plate and chime Intelligent door plate and chime

2006-05-30

2006-05-30

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Systems

Audible signals

Reexamination Certificate

active

07053757

ABSTRACT:
A system in operable communication with a doorbell chime for audio annunciation of a visitor to an occupant of a room in a multiple room building, the system configured to indicate a status of the room to the visitor or occupant, the system comprising: a switch assembly configured to convey a message outside of the room; the switch assembly operable from inside the room; an indicating assembly in operable communication with the switch assembly, the indicating assembly configured to indicate the message when the message is selected, the message viewable from inside and outside of the room; and a doorbell button in operable communication with the doorbell chime, the doorbell button operably connected with the indicating assembly and operable from outside of the room by the visitor.

REFERENCES:
patent: 4523193 (1985-06-01), Levinson et al.
patent: 5428345 (1995-06-01), Bruno
patent: 5774039 (1998-06-01), Housley
patent: 5861806 (1999-01-01), Vories et al.
patent: 6107928 (2000-08-01), Gatti
patent: 6236303 (2001-05-01), Wagner et al.
patent: 6359564 (2002-03-01), Thacker
patent: 6414589 (2002-07-01), Angott et al.

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