Patent classifications
H01Q19/027
ELECTRONIC DEVICE COMPRISING ANTENNA MODULE
An electronic device, according to one embodiment of the present invention, may comprise: a first dielectric which forms at least a part of the front surface of the electronic device; a second dielectric which forms at least a part of the rear surface of the electronic device; a side surface member which surrounds a space formed between the front surface and the rear surface and of which a part comprises a third dielectric; a display positioned in the space and visually exposed through the first dielectric; and an antenna module positioned in the space. The antenna module comprises: a printed circuit board comprising a first surface which faces, in the space, the third dielectric, and a second surface which is oriented in a direction opposite to that of the first surface; and at least one antenna element which is disposed on the first surface or inside the printed circuit board so as to be adjacent to the first surface, and which forms a beam pattern toward the side surface member. In addition, other various embodiments are possible.
Method and apparatus of maintaining constant antenna resonant frequency and impedance match in the presence of environmental changes and head/hand effect using variable reactance antenna aperture tuners
The present disclosure generally relates to any device capable of wireless communication, such as a mobile telephone or wearable device, having one or more antennas. By applying a variable reactance (capacitive or inductive component) antenna aperture tuner within a simple, scalar antenna aperture tuning system, the maintenance of a constant antenna resonant frequency in the presence of environmental changes or head/hand effects is obtained. The variable reactance is used to adjust the resonant frequency of the antenna to stay at the desired target frequency in response to external variables that would otherwise shift the resonance away from the operating frequency of the device. Adjusting the resonant frequency of the antenna in response to externally induced changes maintains the radiating efficiency of the antenna and simultaneously avoids impedance mismatch between the antenna and the respective transmit/receive path in the radio, thereby minimizing transmission losses.
ANTENNA APERTURE WITH CLAMPING MECHANISM
An antenna with a clamping mechanism and a method for using the same are disclosed. In one embodiment, an antenna comprises a radial waveguide, an aperture operable to radiate radio frequency (RF) signals in response to an RF feed wave fed by the radial waveguide, and one or more clamping devices to apply a compressive force between the waveguide and the aperture.
METHOD AND APPARATUS OF MAINTAINING CONSTANT ANTENNA RESONANT FREQUENCY AND IMPEDANCE MATCH IN THE P
The present disclosure generally relates to any device capable of wireless communication, such as a mobile telephone or wearable device, having one or more antennas. By applying a variable reactance (capacitive or inductive component) antenna aperture tuner within a simple, scalar antenna aperture tuning system, the maintenance of a constant antenna resonant frequency in the presence of environmental changes or head/hand effects is obtained. The variable reactance is used to adjust the resonant frequency of the antenna to stay at the desired target frequency in response to external variables that would otherwise shift the resonance away from the operating frequency of the device. Adjusting the resonant frequency of the antenna in response to externally induced changes maintains the radiating efficiency of the antenna and simultaneously avoids impedance mismatch between the antenna and the respective transmit/receive path in the radio, thereby minimizing transmission losses.
FREQUENCY SELECTIVE SURFACE FOR AN ACCESS POINT ANTENNA
Methods, apparatus, and a non-transitory computer readable media provide an access point antenna with an antenna radome comprising frequency selective surface elements. At least one first antenna element mounted on a first location of an antenna support structure and at least one second antenna element mounted on a second location of the antenna support structure. The antenna radome covers the access point antenna and comprises frequency selective surface components on an interior surface. The frequency selective surfaces comprise first and second frequency selective surface components that are responsive to filter unwanted radio frequency (RF) emissions that affect the first and second antenna elements. The frequency selective surfaces comprising the antenna radome may be selected based on the location and frequencies of other antennas operating near the access point antenna.