US Patent 9060103 Doorbell security and safety

Tampering with doorbells can lead to injury and doorbell theft. Methods and systems can discourage doorbell tampering by emitting an alert when a doorbell detects tampering. In some embodiments, a doorbell includes a system to detect movement of the outer housing of the doorbell. In several embodiments, if a doorbell detects movement of the outer housing while the doorbell detects that it is connected to an external power supply, the doorbell can emit an alert to warn against additional tampering.