US Patent 7321304 Security tip jar

A security tip jar includes a vessel body and a removable base. The vessel body defines an open top designed for receiving a gratuity. The removable base forms a closed bottom of the vessel body. An electronic sensor is located in the removable base, and is adapted for sensing a disturbance of the vessel body. A protective cover is located over the electronic sensor. An alarm is operatively connected to the electronic sensor, and is adapted for activation upon disturbance of the vessel body.