An object detection device includes a microphone array that includes a plurality of non-directional microphones, and a processor that processes first sound data obtained by collecting sounds by the microphone array. The processor generates a plurality of items of second sound data having directivity in an arbitrary direction by sequentially changing a directivity direction based on the first sound data, and analyzes a sound pressure level and a frequency component of the second sound data, and determines that an object exists in a first direction in a case where a sound pressure level of a specific frequency, which is included in the frequency component of the second sound data having directivity in the first direction of the arbitrary direction, is equal to or larger than a first prescribed value.

A first computer is configured to receive, from at least one second computer in a first vehicle, data relating to a gunshot. The computer is configured to then determine a location of the gunshot from the data, and to transmit a message, including the gunshot location, to at least one third computer in a second vehicle.

A first computer is configured to receive, from at least one second computer in a first vehicle, data relating to a gunshot. The computer is configured to then determine a location of the gunshot from the data, and to transmit a message, including the gunshot location, to at least one third computer in a second vehicle.

A method for determining the location of a frequency receiver device with respect to at least two frequency originator devices, each of a current location, the method including synchronizing a clock of the frequency receiver device with a clock of one of the at least two frequency originator devices; receiving by the frequency receiver device, a message including an identification code configured for identifying one of the at least two frequency originator devices and obtaining a broadcast time and a current location of the one of the at least two frequency originator devices by looking up a table correlating the at least two frequency originator devices and their respective broadcast times and current locations; calculating a time of flight of the message by calculating the difference between a receive time at which the message is received by the frequency receiver device and the broadcast time.

A method for determining the location of a frequency receiver device with respect to at least two frequency originator devices, each of a current location, the method including synchronizing a clock of the frequency receiver device with a clock of one of the at least two frequency originator devices; receiving by the frequency receiver device, a message including an identification code configured for identifying one of the at least two frequency originator devices and obtaining a broadcast time and a current location of the one of the at least two frequency originator devices by looking up a table correlating the at least two frequency originator devices and their respective broadcast times and current locations; calculating a time of flight of the message by calculating the difference between a receive time at which the message is received by the frequency receiver device and the broadcast time.

Techniques to customize a media processing system are described. A media processing system is described capable of integrating a large set of heterogeneous electronic devices into a single integrated system with enhanced navigation capabilities and automated configuration services. Other embodiments are described and claimed.

Techniques to customize a media processing system are described. A media processing system is described capable of integrating a large set of heterogeneous electronic devices into a single integrated system with enhanced navigation capabilities and automated configuration services. Other embodiments are described and claimed.

A tracking system includes a first device and a second device. The second device comprises an optical module, an ultrasonic module and a processor. The optical module is configured to capture image data in a first detection field. The ultrasonic module is configured to collect ultrasonic data in a second detection field different from the first detection field. The processor is configured to determine a relative position of a target device relative to the tracking device in a third detection field according to the image data and the ultrasonic data. The third detection field is larger than the first detection field and larger than the second detection field.

A tracking system includes a first device and a second device. The second device comprises an optical module, an ultrasonic module and a processor. The optical module is configured to capture image data in a first detection field. The ultrasonic module is configured to collect ultrasonic data in a second detection field different from the first detection field. The processor is configured to determine a relative position of a target device relative to the tracking device in a third detection field according to the image data and the ultrasonic data. The third detection field is larger than the first detection field and larger than the second detection field.

Orientation-independent antennas and associated beamforming circuits, to provide polarization-independent determination of position. An Indoor Positioning System (IPS) may utilize beacon or tag devices equipped with orientation-independent antennas to determine the location of nearby objects. The system can exist in many different customizable configurations, sometimes utilizing orientation-independent antennas embedded in smartphones that serve as beacon or tag devices. The devices, systems and methods described herein may be used for an IPS in a residential setting, a commercial setting (like a department store), an event or workplace, or an industrial setting.