08941736 is referenced by 89 patents and cites 70 patents.

Doorbells can be used to detect visitors. A picture taken by the doorbell can be sent to a computing device. A user of the computing device can select areas within the picture. The doorbell can then detect visitors within the selected areas. Subsequent pictures from the doorbell can be analyzed according to the selected areas.

Title
Doorbell communication systems and methods
Application Number
14/463548
Publication Number
8941736 (B1)
Application Date
August 19, 2014
Publication Date
January 27, 2015
Inventor
Joseph Frank Scalisi
Yorba Linda
CA, US
Assignee
SkyBell Technologies
CA, US
IPC
G08B 3/00
H04N 1/00
H04N 7/18
H04N 9/47
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