The present invention provides a method and an apparatus of message transmission in vehicle communication field. The method includes: determining current state of a gateway; generating instruction message indicating the current state in accordance with the current state of the gateway; and transmitting the instruction message to a receiving unit. The present invention solves the problem of a lower message transmission stability, improves the message transmission stability. The present invention is for message transmission in a network.

Disclosed herein are systems and methods for establishing a metadata exchange channel between a media playback system and a networked microphone system, wherein the networked microphone system comprises a networked microphone device and a networked microphone server. After establishing the metadata exchange channel, the media playback system experiences a metadata exchange triggering event. In response to experiencing the metadata exchange triggering event, the media playback system provides metadata to the networked microphone system via the metadata exchange channel.

A thermodynamic housing for a geophysical data acquisition system is provided. The housing includes a novel enclosure cooling system with strategically placed ducting and insulation which maintains proper controller temperature and elevated temperature ambient environments. A novel node enclosure is provided which includes a fail safe 4 bar linkage toggle to ground stakes which enhances physical stability and electrical connectivity.

A control device and corresponding motor vehicle for connecting a CAN bus to a radio network, having the following features: the control device includes a wireless controller, a microcontroller, a first CAN transceiver and a second CAN transceiver; the microcontroller is connected, on the one hand, to the wireless controller and, on the other hand, to the CAN transceivers; the first CAN transceiver is connected to the second CAN transceiver; the first CAN transceiver is configured in such a manner that it suppresses transmission via the CAN bus and supports reception via the CAN bus in a normal mode and supports transmission and reception in a diagnostic mode; and the second CAN transceiver is configured in such a manner that it changes the first CAN transceiver from the normal mode to the diagnostic mode when the second CAN transceiver receives a wake-up frame via the CAN bus.

Disclosed herein are systems and methods for establishing a metadata exchange channel between a media playback system and a networked microphone system, wherein the networked microphone system comprises a networked microphone device and a networked microphone server. After establishing the metadata exchange channel, the media playback system experiences a metadata exchange triggering event. In response to experiencing the metadata exchange triggering event, the media playback system provides metadata to the networked microphone system via the metadata exchange channel.

Methods and systems for allowing pilots and aircraft maintenance personnel to load data used by aircraft avionics (including but not limited to, Map Data, charts, XM Radio configuration data, LRU (line replaceable unit)/LRM (line replaceable module) specific configuration data or LRU/LRM software updates), wirelessly through the use of a USB to Wireless data bridge. The methods and systems can reduce and eliminate use of a USB (universal serial bus) hard drive or keys be carried around with different collections of cockpit data.

There is provided a relay apparatus including a memory, and a processor coupled to the memory and the processor configured to receive a first packet including an identifier for indicating a content, determine whether or not the content indicated by the identifier included in the first packet is saved in a cache, transmit a second packet including a source address of the first packet and the identifier when it is determined that the content is not saved in the cache, and transmit a third packet including an address of the relay apparatus and the identifier when it is determined that the content is saved in the cache.

The in-vehicle device for receiving time synchronization information transmitted from each of a plurality of reference devices and transmitting the received time synchronization information to another device, includes: a communication unit configured to communicate with the other device; and an information processing unit configured to, if the communication unit receives a frame in which the time synchronization information is stored, store the time synchronization information in a specific queue with priority over other information, wherein the communication unit transmits the time synchronization information stored in the specific queue to the other device.

The present invention relates to a microstrip-waveguide transition for transmission of electromagnetic wave signals. According to one aspect of the invention, there is provided a microstrip-waveguide transition for transmission of electromagnetic wave signals, comprising: a feeding part for providing an electromagnetic wave signal to be transmitted through the waveguide; and a ground part formed at a predetermined interval from the feeding part, wherein the microstrip and the waveguide are coupled alongside each other along a length direction of the waveguide, and wherein a distance between the feeding part and the ground part in a direction perpendicular to the length direction of the waveguide is greater as it is closer to the waveguide.

A touch screen controller (TSC) includes: a front end circuit configured to send a control signal to a touch panel and to receive a touch signal from the touch panel; an algorithm processing circuit configured to process source data generated based on the touch signal according to a predetermined algorithm; a memory configured to store the source data and result data obtained as a result of processing the source data at the algorithm processing circuit; and a bus configured to transfer data among the front end circuit, the algorithm processing circuit, and the memory. The algorithm processing circuit includes: a buffer configured to temporarily store the source data or the result data and shared by at least two circuits; and a special function register (SFR) configured to store a setting value necessary for an operation of the algorithm processing circuit.