Abstract: A system and method for determining fiber orientation within a layered composite using an eddy current probe is discussed. The eddy current probe includes an array of coils that are excited such that an effective pole of the end effector of the probe moves in a ring pattern. The eddy current probe is moved across the surface of a part such that a two-dimensional scan of the part is generated, analogous to a C-scan in ultrasonic testing. The eddy current probe is able to be used to determine the fiber orientation of a layered composite material by scanning at a single point on the material. The eddy current data is able to be fused with data from an ultrasonic transducer to produce a comprehensive view of the part.

Abstract: Techniques are disclosed for determining a location of a mobile device within a dead zone. One example computing system includes a non-transitory computer-readable medium; and a processor in communication with the non-transitory computer-readable medium, the processor configured to execute instructions stored in the non-transitory computer-readable medium to: receive a service request from a communication device, the service request comprising one or more signal strength readings associated with a current position of the communication device; determine, using a trained machine learning model, the current position corresponds to a fingerprint within a location map based on the one or more signal strength readings; and output a control signal configured to cause the communication device to alter a state of the communication device based on location information associated with the fingerprint, wherein the state of the communication device comprises a source or type of network connectivity.

Abstract: Techniques are disclosed for managing media communications in a communication system that includes communication devices managed and mediated by a communication server, wherein the communication devices are communicable over a plurality of configurable channels. A communication server receives, from a first communication device, a request to immediately communicate with one or more other communication devices over a channel configured for direct media communications between the first and one or more other communication devices. The request includes a means for identifying the one or more other communication device. The communication server determines a current channel to which the one or more other communication devices are set and automatically switches the channel to which the one or more other communication devices are set from the current channel to the channel configured for direct media communications between the first and one or more other communication devices.

Abstract: Techniques are disclosed for responding to a pre-recorded inbound voice message in a communication system that includes communication devices and a communication server. In a first communication device, a pre-recorded inbound voice message is received from a sender communication device via a communication server. A reply mode is set for a response voice message from a plurality of reply modes. The response voice message is recorded and a reply mode flag is inserted into a message header. The response voice message is then sent to the communication server where it determines the reply mode. When the reply mode is reply to all, the response voice message is sent to the sender communication device and other recipient communication devices. When the reply mode is reply to sender, a direct channel communication link is established between the first communication device and the sender communication device and the response voice message is sent directly to the sender communication device.

Abstract: Techniques are disclosed for managing inbound voice messages in a communication system that includes communication devices and a communication server. A communication device receives an inbound voice message that is associated with a voice message temporal mode that includes a message mode and a live mode. The communication device may then determine the voice message temporal mode for the inbound voice message as well as a device temporal mode associated with the receiving communication device. The device temporal mode also includes a message mode and a live mode. When the voice message temporal mode is determined to be message mode, the communication device may provide a message received notification on the receiving communication device. When the device temporal mode is determined to be message mode, the communication device may provide a message received notification on the receiving communication device regardless of the voice message temporal mode.

Abstract: Techniques are disclosed for managing outbound voice messages in a communication system that includes communication devices and a communication server. A temporal mode of either live mode or message mode and a recipient mode of either group mode or direct mode are selected and set for an outbound voice message. Based on the selected settings for temporal mode and recipient mode the originating communication device records a voice message that is relayed to the communication server where it is distributed to other communication devices according to the rules or parameters associated with the temporal and recipient mode selected.

Abstract: Techniques are disclosed for managing a panic mode for a communication device. The communication device may trigger a panic mode causing the communication device to emit an audible alert while simultaneously causing the communication device to capture any detected sound at a frequency below the audible alert. The communication device may also collect metadata including a date stamp, a time stamp, and a location that may be associated with any captured audio and stored locally or streamed to a communications server for storage. The communication device may also send a message to one or more other endpoints indicative of the communication device having engaged panic mode.

Abstract: Disclosed is a multi-radio communication apparatus capable of remote communication exchanges with a cloud based communication server. The communication server, in turn, may be communicable with one or more content or other customer servers to allow data exchanges between the multi-radio communication apparatus and virtually any cloud based server. The multi-radio communication apparatus may comprise processors, data storage components, a plurality of RF transceivers and corresponding antennas, and logic, at least a portion of which is implemented in circuitry. The logic may implement a mesh module configured to communicate with other apparatuses directly using a dedicated one of the plurality of RF transceivers. The logic may further implement a caching module configured to store data to be exchanged with a communication server at a later date.

Abstract: Various embodiments describe a multi-step process for determining whether the keyword has been spoken. The first tier uses an onboard digital signal processor (DSP) to process converted audio signals. If the DSP analysis cannot confirm the keyword due to noise in the signal, a second tier of processing may use an applications processor (AP) and a more stringent audio filter to try to verify the keyword. If the AP analysis cannot confirm the keyword, a third tier of processing may use server side processor and an even more stringent audio filter to try to verify the keyword. Certain signal to noise ratios (SNRs) of the detected and converted audio signal are used to decide when and if to try the second and third tier of processing.