Abstract: Systems are disclosed for producing audio that is audible outside a collection box for delivery items, the collection box including a user-operated door. The system can include a trigger device, a sensor, an audio transducer that generates the produced audio from an audio signal, an audio chip and one or more processors. The sensor can detect the trigger device when the trigger device is in close proximity, and the one or more processors can be operably connected to the sensor and to the audio chip, where the one or more processors signal the audio chip to send the audio signal to the audio transducer. The one or more processors can further receive and record a status signal indicating that the door is in an opened state. Systems can further include an environmental sensor that measures environmental information.

Abstract: Systems are disclosed for producing audio that is audible outside a collection box for delivery items, the collection box including a user-operated door. The system can include a trigger device, a sensor, an audio transducer that generates the produced audio from an audio signal, an audio chip and one or more processors. The sensor can detect the trigger device when the trigger device is in close proximity, and the one or more processors can be operably connected to the sensor and to the audio chip, where the one or more processors signal the audio chip to send the audio signal to the audio transducer. The one or more processors can further receive and record a status signal indicating that the door is in an opened state. Systems can further include an environmental sensor that measures environmental information.

Abstract: Systems, devices, and techniques for producing audio for, or adding audio capability to, a collection box for delivery items that includes a user-operated door for putting items into the collection box. The system can include a processing subsystem, an audio transducer, a trigger device that is connected to, or that is part of, the door of the collection device, and a sensor. The sensor detects the trigger device when the trigger device is in close proximity (e.g., in contact), and the sensor is positioned such that it is in close proximity with the trigger device when the door is closed. In response to the trigger device moving out of close proximity, the sensor generates a signal to the processing system. In response, the processing system generates an audio signal that is converted to sound by the audio transducer, which can be heard outside of the collection box.

Abstract: Systems, devices, and techniques for producing audio for, or adding audio capability to, a collection box for delivery items that includes a user-operated door for putting items into the collection box. The system can include a processing subsystem, an audio transducer, a trigger device that is connected to, or that is part of, the door of the collection device, and a sensor. The sensor detects the trigger device when the trigger device is in close proximity (e.g., in contact), and the sensor is positioned such that it is in close proximity with the trigger device when the door is closed. In response to the trigger device moving out of close proximity, the sensor generates a signal to the processing system. In response, the processing system generates an audio signal that is converted to sound by the audio transducer, which can be heard outside of the collection box.