Abstract: An antenna structure includes a ground element, a feeding radiation element, a first radiation element, a second radiation element, a shorting radiation element, a third radiation element, and a fourth radiation element. The feeding radiation element has a feeding point. The first radiation element is coupled to the feeding radiation element. The second radiation element is coupled to the feeding radiation element. The second radiation element and the first radiation element substantially extend in opposite directions. The feeding radiation element is further coupled through the shorting radiation element to the ground element. The third radiation element is coupled to the ground element. The third radiation element is adjacent to the first radiation element. The fourth radiation element is coupled to the ground element. The fourth radiation element is adjacent to the second radiation element.

Abstract: A wireless access point apparatus includes a mixer, an analog low-pass filter (ALPF), an analog-to-digital converter (ADC), a radar detector and a controller. The mixer is configured to mix a wireless signal and a carrier signal for performing frequency conversion on the wireless signal. The ALPF with a passband is configured to perform filtering on the wireless signal, so as to filter out a signal component of the wireless signal out of the passband. The ADC is configured to convert the wireless signal from an analog form to a digital form. The radar detector is configured to detector whether the wireless signal includes any radar signal. The controller is configured to adjust a carrier frequency of the carrier signal depending on a determination result of the radar detector for switching between a dynamic frequency selection (DFS) channel, a non-DFS channel and a composite channel.

Abstract: An electronic device includes a pixel circuit. The pixel circuit includes a driving transistor, an emission transistor, a capacitor, and a light-emitting element. The driving transistor is electrically connected to the emission transistor and the capacitor. The emission transistor is electrically connected to the light-emitting element. Under the same driving voltage, the driving transistor has a first conductive resistance value, the emission transistor has a second conductive resistance value, and the first conductive resistance value is greater than the second conductive resistance value.

Abstract: A p-GaN high-electron-mobility transistor (HEMT) includes a buffer layer stacked on a substrate, a channel layer stacked on the buffer layer, a supply layer stacked on the channel layer, a doped layer stacked on the supply layer, and a hydrogen barrier layer covering the supply layer and the doped layer. A source and a drain are electrically connected to the channel layer and the supply layer, respectively. A gate is located on the doped layer. The hydrogen barrier layer is doped with fluorine.

Abstract: A wearable device includes a frame element and a dielectric substrate. The frame element includes a first metal element, a second metal element, and a third metal element. A first gap is provided between the first metal element and the second metal element. A second gap is provided between the second metal element and the third metal element. A third gap is provided between the third metal element and the first metal element. The dielectric substrate is surrounded by the first metal element, the second metal element, and the third metal element. A first antenna element is formed by the first metal element. A second antenna element is formed by the second metal element. A third antenna element is formed by the third metal element.

Abstract: A field effect transistor includes a substrate having a transistor forming region thereon; an insulating layer on the substrate; a first graphene layer on the insulating layer within the transistor forming region; an etch stop layer on the first graphene layer within the transistor forming region; a first inter-layer dielectric layer on the etch stop layer; a gate trench recessed into the first inter-layer dielectric layer and the etch stop layer within the transistor forming region; a second graphene layer on interior surface of the gate trench; a gate dielectric layer on the second graphene layer and on the first inter-layer dielectric layer; and a gate electrode on the gate dielectric layer within the gate trench.

Abstract: A microfluidic detection unit comprises at least one fluid injection section, a fluid storage section and a detection section. Each fluid injection section defines a fluid outlet; the fluid storage section is in gas communication with the atmosphere and defines a fluid inlet; the detection section defines a first end in communication with the fluid outlet and a second end in communication with the fluid inlet. A height difference is defined between the fluid outlet and the fluid inlet along the direction of gravity. When a first fluid is injected from the at least one fluid injection section, the first fluid is driven by gravity to pass through the detection section and accumulate to form a droplet at the fluid inlet, such that a state of fluid pressure equilibrium of the first fluid is established.

Abstract: A wearable device includes a host, a first belt, a second belt, a circuit board, a cable, and an adjustment mechanism. The first belt, one end of which is connected to a first side of the host, has a cable holding part. One end of the second belt is connected to a second side of the host. The circuit board is disposed at an overlap of the first belt and the second belt. A first end and a second end opposite to each other of the cable are connected to the circuit board and the first side respectively, and a holding section of the cable is fixed to the cable holding part. The adjusting mechanism is disposed at an overlap of the first belt and the second belt to adjust an overlapping length of the first belt and the second belt.

Abstract: A self-moving robot and a method of automatically determining an accessible region are provided. The self-moving robot performs a setting process of 2D obstacles to generate a goal map based on an exploration map, performs a setting process of 3D obstacles on the goal map to update the accessible region of the goal map when a 3D obstacle is detected, performs an avoidance action, and, moves within the accessible region of the goal map. The disclosure prevents the self-moving robot from colliding with obstacles or being trapped.

Abstract: A method for treating sleeping or movement disorder is provided. The method includes the operations as follows. A brainwave of a patient with sleeping or movement disorder is recorded. An onset of a STW oscillation episode from the brainwave is identified, wherein the STW oscillation episode is a STW signal having an oscillation frequency in a range of from about 2 Hz to about 4 Hz. a first stimulation is delivered to the patient when the onset of the STW oscillation episode is identified from the brainwave. The first stimulation is adapted according to a measurable feature of the STW oscillation episode. A system for treating sleeping or movement disorder is also provided.

Abstract: A vertical mouse includes a base and a mouse body. The base has a vertical receiving groove. The mouse body includes a housing. The mouse body is detachably received in the vertical receiving groove, the housing leans against the vertical receiving groove, and the mouse body has a first operation mode and a second operation mode. Under the first operation mode, the mouse body is received in the base with a first orientation, and under the second operation mode, the mouse body is received in the base with a second orientation.

Abstract: The present invention discloses a signal receiving apparatus having phase compensation mechanism. A first and a second receiving path of a receiving circuit perform frequency down-conversion and analog-to-digital conversion on an input signal to generate a first and a second receiving signals. The first and the second receiving paths uses a RF training signal generated by a RF training signal generation circuit as the input signal when a phase compensation is performed, and use a data signal from an antenna circuit as the input signal when a beamforming signal receiving is performed. A phase difference calculation circuit of the receiving circuit performs cross-correlation operation on the first and the second receiving signals to generate a compensation signal according to a phase difference between the first and the second receiving paths.

Abstract: An artificial antigen presenting cell system comprising one or more gelated human dendritic cells and a controlled release system capable of releasing one or more cytokines. Also provided herein are methods for producing the gelated human dendritic cells and uses of the artificial antigen presenting cell system for activating immune cells.

Abstract: A wireless communication chip includes an analog front-end circuit and a baseband circuit. The analog front-end circuit includes a first transceiver circuit and a second transceiver circuit, wherein the first transceiver circuit is arranged to transmit or receive signals through a first antenna, and the second transceiver circuit is arranged to transmit or receive signals through a second antenna. The baseband circuit is arranged to control the first transceiver circuit to use a first band or a second band for communication, and/or to control the second transceiver circuit to use the first band or the second band for communication. The baseband circuit controls the first transceiver circuit and the second transceiver circuit so that the analog front-end circuit alternately performs 2T2R in the first band and 2T2R in the second band.

Abstract: A wireless device includes a time-sensitive queue, an access category queue, a controller, and a transmitter. The access category queue is associated with an access category and a link. The controller is coupled to the access category queue, and is used to acquire a transmission opportunity according to a set of contention parameters of the access category. The transmitter is coupled to the controller and the time-sensitive queue, and is used to when a transmission opportunity is acquired, if the time-sensitive queue contains data, generate a data frame according to the data in the time-sensitive queue, and transmit the data to another wireless device via a link.

Abstract: A method of expanding natural killer cells, comprising: providing a population of internally gelated cells, each of which includes a gelated interior and a fluid cell membrane that contains one or more membrane-bound proteins each or collectively are capable of stimulating expansion of natural killer (NK) cells; and culturing a population of cells containing NK cells, which are capable of responding to the one or more membrane-bound proteins, with the population of internally gelated cells under conditions that allow expansion of NK cells.

Abstract: A support stand includes a base and a support bracket. The support bracket has a first side and a second side opposite to each other. The first side is rotatably connected to the base. The support bracket further has a slot extending from the second side toward the first side.

Abstract: An ergonomic keyboard is disclosed. The ergonomic keyboard includes a first key area, a second key area and an adjustment module. The adjustment module is pivotally connected between the first key area and the second key area. The adjustment module includes a first bearing, a second bearing, a rotary knob, an adjustment screw and a supporting base. The first and second bearings are pivotally connected to the first and second key areas respectively such that they allow adjustment of an included angle. The adjusting screw is fixedly connected to the rotary knob and can be rotated together with the rotary knob. The supporting base is supported on a plane, and an internal thread of the supporting base and the adjusting screw are screwed with each other. Thus, an inclination angle of the first and second key areas can be adjusted by the rotary knob.

Abstract: A wireless communication chip includes an analog front-end circuit and a baseband circuit. The analog front-end circuit includes a first transceiver circuit and a second transceiver circuit, wherein the first transceiver circuit is arranged to transmit or receive signals through a first antenna, and the second transceiver circuit is arranged to transmit or receive signals through a second antenna. The baseband circuit is arranged to control the first transceiver circuit to use a first band or a second band for communication, and/or to control the second transceiver circuit to use the first band or the second band for communication. The baseband circuit controls the first transceiver circuit and the second transceiver circuit so that the analog front-end circuit alternately performs 2T2R in the first band and 2T2R in the second band.

Abstract: An electrowetting on dielectric (EWOD) device for self-detection of an open-circuit or closed-circuit condition includes a detection chip, a power input module, a switch module, a detection module, and a determination module. The detection chip includes a channel, several driving electrodes, and a detection electrode. Each driving electrode can couple with the detection electrode to form the driving loop. The switch unit selects one of the driving electrodes to be electrically connected to the power input module for receiving a power voltage from the power input module. The detection module receives a detection voltage outputted by the detection electrode and accumulates the detection voltage to obtain an accumulated voltage. The determination module compares the accumulated voltage with a specified voltage for determining whether the driving loop is open-circuit or closed-circuit. A method for a self-detection circuit in EWOD device is also disclosed.