An active-passive integrated antenna is provided. The active-passive integrated antenna includes a reflective plate, a pair of mounting portions respectively secured to two sides of a bottom of the reflective plate, a dielectric plate, a plurality of passive antenna elements and an active antenna unit. More specifically, the dielectric plate is spaced apart from the reflective plate on the pair of mounting portions, and a first surface of the dielectric plate is provided with a frequency selection surface; the plurality of passive antenna elements are respectively arranged on the reflective plate and the frequency selection surface; the active antenna unit is arranged above a second surface of the dielectric plate and secured to the pair of mounting portions.

An onboard antenna, a radio equipment and an electronic device. The onboard antenna includes a dielectric substrate, an antenna and a metal block, wherein the antenna is located on the dielectric substrate, a projection of the metal block on a plane where the dielectric substrate is located is not overlapped with a projection of the antenna on the plane where the dielectric substrate is located, the metal block is located on the dielectric substrate in a polarization direction of the antenna, and a distance between a metal edge of the metal block on a side close to the antenna and the antenna is greater than a coupling threshold. Using this onboard antenna, an influence of surface waves on the pattern can be suppressed to a certain extent by arranging the metal block, and a jitter of the antenna pattern can be reduced.

A housing, which is an example of an antenna protection structure, includes a first dielectric layer, a second dielectric layer laminated on the first dielectric layer, and a third dielectric layer laminated on the second dielectric layer. The relative permittivity of the second dielectric layer is higher than the relative permittivity of the first dielectric layer and the relative permittivity of the second dielectric layer is higher than the relative permittivity of the third dielectric layer. Further, the thickness of the second dielectric layer is smaller than the thickness of the first dielectric layer in a lamination direction and the thickness of the second dielectric layer is smaller than the thickness of the third dielectric layer in the lamination direction.

A telecommunications antenna comprising a plurality of unit cells each including at least one radiator which transmits RF energy within a bandwidth range which is a multiple of another radiator. The radiators are proximal to each other such that a resonant condition may be induced into the at least one radiator upon activation of the other radiator. At least one of the radiators is segmented into capacitively-connected radiator elements to suppress a resonance response therein upon activation of the other of the radiator.

A radar sensor having a frame, a housing arranged at the frame, a transmission and reception unit for high frequency signals arranged within the housing, wherein a radiation direction of the high frequency signals irradiated by the transmission and reception unit is rotatable about an axis of rotation. The radiation direction of the high frequency signals irradiated by the transmission and reception unit is substantially orthogonally oriented toward the axis of rotation, and the housing is supported at the frame rotatably about a pivot axis.

A vehicle, an antenna assembly of the vehicle, and a method of assembling the antenna is disclosed. The vehicle includes a housing having a passage formed therethrough. A circuit board is disposed within the housing. An antenna element is coupled to the circuit board and passes through the passage. A plug fills an annular volume of the passage between the antenna element and the housing.

A mount system, such as for a vehicle antenna, includes a module with a ground. A fastener extends into the module. A retainer clip moves from an undeployed position to a deployed position by operation of the fastener. The fastener extends through a deployment ramp block. The deployment ramp block engages and guides the retainer clip from the undeployed position to the deployed position, by operation of the fastener. The mount system is configured to effect grounding of the ground to the product and to retain the module in position on the product.

A blade antenna comprising: an upper blade element made of conductive, planar material having a profile that curves upwardly from a centrally-located feed point; and a lower blade element made of conductive, planar material having a profile that curves downwardly from the feed point, wherein the lower blade element is configured to be connected to a ground and has a thickness that is at least three times a thickness of the upper blade element, and wherein the curved profiles of the upper and lower blade elements are disposed with respect to one another so as to form a tapered slot on each side of the feed point.

A blade antenna comprising: an upper blade element made of conductive, planar material having a profile that curves upwardly from a centrally-located feed point; and a lower blade element made of conductive, planar material having a profile that curves downwardly from the feed point, wherein the lower blade element is configured to be connected to a ground and has a thickness that is at least three times a thickness of the upper blade element, and wherein the curved profiles of the upper and lower blade elements are disposed with respect to one another so as to form a tapered slot on each side of the feed point.

A device includes a device cover and an antenna system underneath the device cover. The device cover is separated from the antenna system. The device cover includes a perfect magnetic conductor (PMC) equivalent material surrounding the antenna system without overlapping the antenna system.