The invention relates to an outer shell for a safety helmet (1), in particular for a motorcycle safety helmet, for distributing impact forces, said outer shell having an outer shell material (2). The outer shell is characterized in that, on a side (3) having the outer shell material (2) of the outer shell, the outer shell has a cover (4) having the outer shell material (2) in order to hold an antenna (5) between the cover (4) and the side (3). The invention further relates to a safety helmet (1) having such an outer shell and to a method for producing such an outer shell.

A communication device for use while submerged in a fluid or while operating in inclement weather includes a transceiver for transmitting and receiving communication signals, an antenna exposed to a submerged ambient environment formed of a self-passivating material, and a communication cable for propagating the communication signals between the transceiver and the antenna. The antenna is built-in or attached to an exterior hull portion of an aquatic vessel. The communication device is integral with or attachable to a garment, a protective layer or a covering worn by a user.

The disclosed system may include a sensor mounting bracket that has various mounting points for different sensors. The sensor mounting bracket may include a center portion and multiple different branches extending from the center portion. The system may also include a printed circuit board that includes antenna feed components. At least one of the branches of the sensor mounting bracket may be modified to form a specific type of antenna. The antenna feed components may be electrically connected to the antenna. Various other mobile electronic devices, apparatuses, and virtual reality headsets are also disclosed.

A wearable device for sports headwear includes a housing and a printed circuit board (PCB). The PCB includes alternating layers of core material substrate and prepreg material substrate. The top and bottom layers comprise core material substrate, and have multiple conducting material layers. The PCB includes electronic components on an upper conducting layer, including an accelerometer for detecting acceleration change of the wearable device. The PCB includes a short-range wireless antenna on a lower conducting layer, for transmitting data indicating acceleration change detected by the accelerometer off-board the wearable device, and a satellite navigation antenna on the lower conducting layer adjacent to the short-range wireless antenna, for tracking movement of the wearable device. The PCB includes via holes, each providing electrical connection between the conducting material layers. Multiple internal conducting layers are arranged using the via holes as ground planes for the short-range wireless antenna and the satellite navigation antenna.

A wearable device for sports headwear includes a housing and a printed circuit board (PCB). The PCB includes alternating layers of core material substrate and prepreg material substrate. The top and bottom layers comprise core material substrate, and have multiple conducting material layers. The PCB includes electronic components on an upper conducting layer, including an accelerometer for detecting acceleration change of the wearable device. The PCB includes a short-range wireless antenna on a lower conducting layer, for transmitting data indicating acceleration change detected by the accelerometer off-board the wearable device, and a satellite navigation antenna on the lower conducting layer adjacent to the short-range wireless antenna, for tracking movement of the wearable device. The PCB includes via holes, each providing electrical connection between the conducting material layers. Multiple internal conducting layers are arranged using the via holes as ground planes for the short-range wireless antenna and the satellite navigation antenna.

A communication system includes a contact lens element and a wearable device. The contact lens element has a communication function. The wearable device includes a transceiver circuit, a first metal structure, a second metal structure, and a reflector. The transceiver circuit includes a wireless communication circuit and a wireless charge circuit. The first metal structure is coupled to the wireless communication circuit. The first metal structure is configured to communicate with the contact lens element. The second metal structure is coupled to the wireless charge circuit. The second metal structure is configured to provide electric power for the contact lens element. The reflector is adjacent to the first metal structure and the second metal structure, so as to reflect radiation energy from the first metal structure and the second metal structure.

A communication device for use while submerged in a fluid or while operating in inclement weather includes a transceiver for transmitting and receiving communication signals, an antenna exposed to a submerged ambient environment formed of a self-passivating material, and a communication cable for propagating the communication signals between the transceiver and the antenna. The antenna is built-in or attached to an exterior hull portion of an aquatic vessel. The communication device is integral with or attachable to a garment, a protective layer or a covering worn by a user.