Remote doorbell ringer

Details Remote doorbell ringer Remote doorbell ringer

2005-05-24

2005-05-24

Pope, Daryl (Department: 2632)

Communications: electrical

Systems

Portable self-contained

C340S330000, C340S332000, C340S326000

Reexamination Certificate

active

06897765

ABSTRACT:
A remote control device when actuated by a user transmits a visually perceptible coded signal to a sensor associated with a doorbell which receives the signal and causes activation of the doorbell as desired. The sensor has multiple settings which control operation of the doorbell such that any, specified, or no remote devices may operate the doorbell depending on the setting that is selected on the sensor.

REFERENCES:
patent: 5646596 (1997-07-01), Gumm

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