Abstract: An antenna array includes a glass plate, a ground element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, and a feeding network. The glass plate has a first surface and a second surface which are opposite to each other. The ground element is disposed on the second surface of the glass plate. The feeding network has a feeding port. The feeding network is coupled to the first radiation element, the second radiation element, the third radiation element, and the fourth radiation element. The first radiation element, the second radiation element, the third radiation element, the fourth radiation element, and the feeding network are disposed on the first surface of the glass plate.

Abstract: A radar detection device is provided. The radar detection device may include a radar device and a signal processing device. The radar device may include a plurality of antennas to transmit and receive radar signals. The signal processing device is coupled to the radar device, and the signal processing device determines that a target object is in a first area of a detection area or in a second area of the detection area according to the radar signals received by the radar device to determine to perform an activity detection or a vital-sign detection on the target object.

Abstract: An electronic device includes a plurality of radars and at least one processor. Each of the radars includes at least one transmitting antenna and a plurality of receiving antennas arranged as a two-dimensional array antenna. The processor converts the RF signal received by the receiving antennas into a ranging profile that records the distance between each of the receiving antennas and the target and the receiving intensity corresponding to the distance. The processor generates a voxel profile to indicate the relationship between the distance and the receiving intensity in three-dimensional space. The processor performs a point generation algorithm to generate a plurality of points in three-dimensional space according to the voxel profile and the receiving intensity threshold. The processor performs a cluster analysis algorithm to identify a plurality of target points corresponding to the target among the points to obtain the position of the target.

Abstract: A preprocessing method for a radar point cloud for object recognition is provided. A plurality of points from a radar are received. Each point indicates the reception intensity of the signal reflected from the object received by the radar. The points are filtered according to the reception intensity to obtain a plurality of first preprocessing points. A cluster analysis algorithm is executed on the first preprocessing points to identify a plurality of target points corresponding to the object in the first preprocessing points. The target points are filtered according to the reception intensity to obtain a plurality of second preprocessing points. The second preprocessing points are input into an artificial intelligence model to perform object recognition.

Abstract: An electronic device includes a plurality of radars and at least one processor. Each of the radars includes at least one transmitting antenna and a plurality of receiving antennas arranged as a two-dimensional array antenna. The processor converts the RF signal received by the receiving antennas into a ranging profile that records the distance between each of the receiving antennas and the target and the receiving intensity corresponding to the distance. The processor generates a voxel profile to indicate the relationship between the distance and the receiving intensity in three-dimensional space. The processor performs a point generation algorithm to generate a plurality of points in three-dimensional space according to the voxel profile and the receiving intensity threshold. The processor performs a cluster analysis algorithm to identify a plurality of target points corresponding to the target among the points to obtain the position of the target.

Abstract: A test device suitable for a predetermined wireless communication protocol includes a remote RF test box and a cloud server. The remote RF test box used to control a DUT to transmit or receive an RF signal includes an RF processing unit and a low-level processor. The RF processing unit receives the RF signal from the DUT, and down-converts the RF signal from the DUT into a baseband signal. The low-level processor converts the baseband signal into a digital signal. The cloud server stores an algorithm corresponding to the predetermined wireless communication protocol, communicates with the remote RF test box through a communication interface, receives and decodes the digital signal, and determines whether the DUT meets the predetermined wireless communication protocol through the algorithm of the predetermined wireless communication protocol.

Abstract: An intravenous infusion detection device is provided in the invention. The intravenous infusion detection device includes a radar device, a digital signal processing (DSP) device and a controller. The radar device includes a plurality of transmission antennas and a plurality of receiving antennas. The transmission antennas are configured to transmit a plurality of radar signals and the receiving antennas are configured to receive a plurality of reflection signals corresponding to the radar signals. The DSP device transforms the plurality of reflection signals received from the plurality of receiving antennas into a plurality of one-dimensional (1D) waveform diagrams, transforms the plurality of 1D waveform diagrams into a three-dimensional (3D) waveform diagram, and obtains a drip level of a drip bag according to the 3D waveform diagram. The controller obtains the drip level of the drip bag from the DSP device and calculates the flow rate of the intravenous infusion.

Abstract: A test device suitable for a predetermined wireless communication protocol includes a remote RF test box and a cloud server. The remote RF test box used to control a DUT to transmit or receive an RF signal includes an RF processing unit and a low-level processor. The RF processing unit receives the RF signal from the DUT, and down-converts the RF signal from the DUT into a baseband signal. The low-level processor converts the baseband signal into a digital signal. The cloud server stores an algorithm corresponding to the predetermined wireless communication protocol, communicates with the remote RF test box through a communication interface, receives and decodes the digital signal, and determines whether the DUT meets the predetermined wireless communication protocol through the algorithm of the predetermined wireless communication protocol.

Abstract: The present invention presents an electronic device. The electronic device includes a socket and a supplementary antenna. The socket is disposed on the electronic device, wherein the socket includes an accommodating portion for accommodating an external wireless communication module inserted from the outside. The supplementary antenna is disposed in the electronic device, wherein when the wireless communication module is completely inserted into the accommodating portion, the main antenna of the wireless communication module and the supplementary antenna become electromagnetically coupled; and wherein when the wireless communication module is completely inserted into the accommodating portion, the electronic device transmits/receives wireless signals using the main antenna and the supplementary antenna together.

Abstract: A mobile device includes a ground plane, an antenna element, and one or more ring resonators. The ground plane has a first region and a second region. The antenna element is disposed on the first region. The ring resonators are disposed on the second region. Each of the ring resonators includes a first loop structure and a second loop structure. The ring resonators are configured to enhance the radiation gain of the antenna element in a zenith direction.

Abstract: The present invention presents an electronic device. The electronic device includes a socket and a supplementary antenna. The socket is disposed on the electronic device, wherein the socket includes an accommodating portion for accommodating an external wireless communication module inserted from the outside. The supplementary antenna is disposed in the electronic device, wherein when the wireless communication module is completely inserted into the accommodating portion, the main antenna of the wireless communication module and the supplementary antenna become electromagnetically coupled; and wherein when the wireless communication module is completely inserted into the accommodating portion, the electronic device transmits/receives wireless signals using the main antenna and the supplementary antenna together.

Abstract: A mobile device includes a ground plane, an antenna element, and at least one extension element. The ground plane has a first region and a second region. The antenna element is disposed on the first region. The extension element has an open end and a connection end. The connection end of the extension element is coupled to a side of the second region. The extension element is configured to enhance the radiation gain of the antenna element in a zenith direction.

Abstract: A mobile device includes a ground plane, an antenna element, and one or more ring resonators. The ground plane has a first region and a second region. The antenna element is disposed on the first region. The ring resonators are disposed on the second region. Each of the ring resonators includes a first loop structure and a second loop structure. The ring resonators are configured to enhance the radiation gain of the antenna element in a zenith direction.

Abstract: A remote upgrade server having a networking module and a processing unit is provided. The networking module provides a network access service. The processing unit receives an update checking request from a mobile communication device via the networking module, and determines a delay time period according to a current networking load in response to the update checking request. Also, the processing unit transmits an update configuration file including the delay time period to the mobile communication device via the networking module, so that the mobile communication device downloads the system update file from the remote upgrade server after the delay time period.

Abstract: A remote upgrade server having a networking module and a processing unit is provided. The networking module provides a network access service. The processing unit receives an update checking request from a mobile communication device via the networking module, and determines a delay time period according to a current networking load in response to the update checking request. Also, the processing unit transmits an update configuration file including the delay time period to the mobile communication device via the networking module, so that the mobile communication device downloads the system update file from the remote upgrade server after the delay time period.

Abstract: A portable electronic apparatus is provided which includes a first housing, a second housing, a control unit, a display unit, and a wireless communication device. The two housings are rotatably coupled to each other. The control unit is accommodated in the first housing. The display unit is accommodated in the second housing and is connected to the control unit. The wireless communication device is accommodated in the second housing and has a wireless communication module and an antenna. The wireless communication module is connected to the control unit and the antenna, and is configured to perform wireless communication through the antenna under control of the control unit.

Abstract: A positioning method and an electronic device utilizing the same are disclosed. The positioning method, adopted by an electronic device for positioning a mobile device, includes: determining a preliminary plane location of the mobile device; obtaining a tilt angle of the mobile device; and correcting an error in the preliminary plane location based on the tilt angle, to obtain the correct plane location of the mobile device.

Abstract: A molded radio-frequency (RF) structure with electromagnetic shielding includes a substrate layer, an RF layer, a molded layer and a metal layer. The RF element is disposed on the substrate layer. The molded layer is located on the substrate layer and overlays the RF element. The metal layer is coated on the molded layer, and has an opening located above the RF element.

Abstract: The invention discloses a testing system and a testing method. The testing system includes a testing platform and a fetching device. The testing platform includes a metal base plate, a DUT board, a testing stand and a metal wall. The DUT board is disposed on the metal base plate. The testing stand is disposed on the DUT board. The metal wall is disposed on the metal base plate and surrounds the testing stand. The fetching device is movably disposed above the testing platform and used for placing a DUT on the testing stand. A metal covering plate of the fetching device corresponds to the metal wall of the testing platform. When the fetching device places the DUT on the testing stand, the metal covering plate cooperates with the metal wall and the metal base plate of the testing platform to form an isolated space, so as to isolate the DUT.

Abstract: A portable electronic apparatus is provided which includes a first housing, a second housing, a control unit, a display unit, and a wireless communication device. The two housings are rotatably coupled to each other. The control unit is accommodated in the first housing. The display unit is accommodated in the second housing and is connected to the control unit. The wireless communication device is accommodated in the second housing and has a wireless communication module and an antenna. The wireless communication module is connected to the control unit and the antenna, and is configured to perform wireless communication through the antenna under control of the control unit.