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.

The invention relates to a protective helmet, and in particular, to a protective motorcycle helmet, comprising an antenna (1) for radio transmission, an outer shell (2) for distributing impact forces, an inner layer (3), which is accommodated by the outer shell (2), for damping impact forces, and a socket (4), which is firmly connected to the outer shell (2), for contacting a digital device (5) for wireless communication, wherein the socket (4), when contacting the digital device (5), electrically connects the latter to the antenna (1) for wireless communication. The protective helmet is characterized in that at least a partial layer of the outer shell (2) is disposed between the antenna (1) and the inner layer (3).

An antenna structure capable of transmitting a WiGig band for a head-mounted wireless transmission display device including a display screen and an overhead device is disclosed. The antenna structure includes at least two body portions, each of the body portions having at least a signal transceiving end, the body portions are respectively arranged at left and right sides of the display screen, and signal transceiving ends of the body portions are extended outward from the left and right sides of the display screen respectively.

A planar antenna providing a heating function includes a radiating element and a ground element disposed over a surface of a substrate, wherein the radiating element and the ground element are conductive. The ground element includes a conduction path between a first connection point and a second connection point. The ground element is adapted to be connected to a power source to provide a voltage between the first connection point and the second connection point, thereby producing heat by providing a current through the ground element along the conduction path.

A planar antenna that provides a heating function is fabricated by printing a pattern of catalytic ink onto a surface of a web of flexible substrate. The printed pattern of catalytic ink defines an antenna pattern including a radiating element and a ground element. A conductive material is electrolessly plated onto the pattern of catalytic ink by transporting the web of flexible substrate through a reservoir of plating solution to form a corresponding pattern of conductive material. The electrolessly-plated ground element includes a conduction path between a first connection point and a second connection point, wherein the electrolessly-plated ground element is adapted to be connected to a power source to provide a voltage between the first connection point and the second connection point, thereby producing heat by providing a current through the ground element along the conduction path.

A head mounted display (HMD) device includes a housing configured to mount on a face of a user, at least one display mounted in the housing, a wireless personal area network (WPAN) antenna mounted in a medial region of the housing, and first and second wireless local area network (WLAN) antennas located at respective lateral peripheries of the housing. The WPAN antenna includes a directional patch antenna comprising a feed line, a three-dimensional (3D) ground plane formed as a plurality of conductive sidewalls and a ground plane structure disposed at a first end of the sidewalls, wherein the ground plane structure is substantially perpendicular to the plurality of sidewalls. The WPAN antenna also includes a radiating surface disposed at a second end of the sidewalls opposite of the first end, wherein the radiating surface includes a patch antenna structure coupled to the feed line.

A head-tracking system utilizing radio frequency (RF) transmitters and receivers. RF fiducials are disposed on a helmet and a constellation of receivers receives one or more RF carriers with defined pulse frequencies. Measured time delays are used to produce a head pose. Alternatively, phase shifting is measured to determine the location of each RF fiducial within a single wavelength. In some embodiments, multiple frequency ranges may be used to define a coarse location via phase shifting within a long wavelength RF carrier and a fine location via phase shifting within a short wavelength RF carrier. In a further aspect, polarization and amplitude measurements in conjunction with a known peak RF transmitter amplitude may be used to determine a receiver's relative position with respect to the RF transmitter. GPS location methodologies, spread spectrum frequency hopping, and encryption may also be utilized.

An antenna structure capable of transmitting a WiGig band for a head-mounted wireless transmission display device including a display screen and an overhead device is disclosed. The antenna structure includes at least two body portions, each of the body portions having at least a signal transceiving end, the body portions are respectively arranged at left and right sides of the display screen, and signal transceiving ends of the body portions are extended outward from the left and right sides of the display screen respectively.

The present invention relates to a communication system for a helmet, comprising a docking station located in the rear portion of said helmet, and a detachable portion adapted to be connected to said helmet via said docking station, wherein said detachable portion comprises pressure-activated elements, which are located at a distance from the center of the rear portion of said helmet, such as to be easily reached by the fingers of the wearer.

The invention relates to a protective helmet, and in particular, to a protective motorcycle helmet, comprising an antenna (1) for radio transmission, an outer shell (2) for distributing impact forces, an inner layer (3), which is accommodated by the outer shell (2), for damping impact forces, and a socket (4), which is firmly connected to the outer shell (2), for contacting a digital device (5) for wireless communication, wherein the socket (4), when contacting the digital device (5), electrically connects the latter to the antenna (1) for wireless communication. The protective helmet is characterized in that at least a partial layer of the outer shell (2) is disposed between the antenna (1) and the inner layer (3).