Doorbell system
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Jan 14, 2025
Grant Date -
Oct 5, 2023
app pub date -
Mar 16, 2021
filing date -
Mar 16, 2021
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a doorbell system, including an indoor terminal, an outdoor terminal, and a power supply (100). The indoor terminal includes a bell controller (220) and an indoor bell (210) which are connected in parallel; the outdoor terminal includes an outdoor doorbell (310) and an outdoor switch (320); the indoor terminal, the outdoor terminal, and the power supply (100) are connected in series to form a closed loop; in response to the outdoor switch (320) being switched off, the bell controller (220) is turned on, the indoor bell (210) is short-circuited, and the power supply (100) powers the outdoor doorbell (310); and in response to the outdoor switch (320) being switched on, the bell controller (220) is turned off, and the power supply (100) powers the indoor bell (210).
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