Abstract: A regulator circuit module, a memory storage device, and a voltage control method are disclosed. The method includes: generating an output voltage according to an input voltage by a driving circuit; generating a feedback voltage according to the output voltage; controlling the driving circuit to adjust the output voltage according to the feedback voltage by a regulator circuit; compensating an output of the regulator circuit by a compensating circuit; and activating or deactivating the compensating circuit according to an input bypass-voltage of a switch circuit.

Abstract: Semiconductor device and methods of forming the same are provided. A semiconductor device according to one embodiment includes a dielectric layer including a top surface, a plurality of magneto-resistive memory cells disposed in the dielectric layer and including top electrodes, a first etch stop layer disposed over the dielectric layer, a common electrode extending through the first etch stop layer to be in direct contact with the top electrodes, and a second etch stop layer disposed on the first etch stop layer and the common electrode. Top surfaces of the top electrodes are coplanar with the top surface of the dielectric layer.

Abstract: In one example, an electronic device housing may include a first cover, a second cover, and a latch assembly to detachably connect the first cover and the second cover. The latch assembly may include a first bracket to fixedly engage with the first cover, a latch to slide back and forth along the first bracket between a lock position to hold the second cover and an unlock position to release the second cover, an elastic member disposed between the latch and the first bracket to generate a force to the latch to hold the second cover, and a cable connected to the latch. The cable may generate a pulling force to the latch to release the second cover when an external force is applied to the cable.

Abstract: A wearable device and a method for performing a registration process in the wearable device are provided. The wearable device includes a light source, a light sensor and a microcontroller that performs the method. In the method, the light source is activated to emit a detection light and the light sensor senses a reflected light. A light intensity of the reflected light is calculated. Specifically, an upper limit and a lower limit are referred to for detecting whether the wearable device is properly worn by a person. For example, since the wearable device can be worn on the person's wrist, the registration value is used to detect whether the wearable device is away from the wrist.

Abstract: The present disclosure is directed to a semiconductor device. The semiconductor device includes a substrate, an insulating layer disposed on the substrate, a first conductive feature disposed in the insulating layer, and a capacitor structure disposed on the insulating layer. The capacitor structure includes a first electrode, a first dielectric layer, a second electrode, a second dielectric layer, and a third electrode sequentially stacked. The semiconductor device also includes a first via connected to the first electrode and the third electrode, a second via connected to the second electrode, and a third via connected to the first conductive feature. A part of the first via is disposed in the insulating layer. A portion of the first conductive feature is directly under the capacitor structure.

Abstract: A cleaning device comprises a carrier and a cleaning unit. On the surface of the carrier, the cleaning unit comprises cleaning bodies of trapezoidal cylinders with a first surface and two inclined planes. The first surface is parallel to the surface of the carrier. The inclined planes face the circumference of the carrier and are separately located between adjacent two of the cleaning bodies. The first surface has a distance of 6.5 mm±10% to the surface of the carrier. The inclined planes at two sides have an angle of 50°±10% in between. When the cleaning body starts contacting a wafer, one of the inclined planes is deformed as a beginning. Then, gentle area changes is formed from contacting until departing between the cleaning body and the wafer. The wafer is thus stably forced to improve cleaning ability of scrubbing and stabilize surface friction of the wafer.

Abstract: An auto jartest analyzer includes a plurality of water sample reaction equipment, coagulant providing/controlling equipment and a coagulant concentration analysis device. The coagulant providing/controlling equipment provides coagulant of different concentration to the plurality of water sample reaction equipment to allow contaminants in a water sample of the water sample reaction equipment to precipitate. The coagulant concentration analysis device analyzes turbidity measurements for the plurality of water sample reaction equipment and determines if they meet predetermined analysis criteria, so as to figure out an optimal concentration of coagulant currently required to be added to the water sample. This thus achieves automatic analysis of an addition concentration of coagulant to be added to the water sample, which not only improves operational efficiency but also makes the analysis result more accurate.

Abstract: A double-balanced mixer, including a coupling transformer, a first diode cascade circuit, a second diode cascade circuit, and a first set of coils, is provided. The coupling transformer receives a first input signal and generates at least one set of signals with opposite voltage phases. The first diode cascade circuit is coupled to the coupling transformer, and generates a first node voltage according to a first set of bias voltages. The second diode cascade circuit is coupled to the coupling transformer, and generates a second node voltage according to a second set of bias voltages. The first set of coils is coupled to the first and second diode cascade circuits, receives the first and second node voltages and a second input signal, and generates an output signal. The first node voltage is equal to the second node voltage.

Abstract: A mixer circuit including a mixer, a voltage divider circuit, and an amplifier, is provided. The mixer receives a first input signal, a second input signal, and at least one set of bias voltages, and generates an output signal. A frequency of the output signal is related to a frequency of the first input signal and a frequency of the second input signal. The voltage divider circuit receives the bias voltages and generates a common mode signal at an output end. The amplifier is coupled to the mixer to receive the output signal, and is coupled to the output end of the voltage divider circuit and configured to suppress noise in the output signal, and generate a final output signal.

Abstract: A cleaning brush is provided. A cleaning unit comprises cleaning beans fixed on a surface of the carrier in a bi-spiral arrangement. The cleaning beans are arranged in an unequally-spaced manner on center of the carrier along a baseline; and, thus, bi-spirals are formed on the center and coiled in two different outward directions. Two annular spiral curve paths are formed with the cleaning beans as coiling the carrier and extending along the two directions. When the carrier cleans an electronic device, a solution or cleaning agent is discharged along the curve paths in spiral tangential directions. Hence, the bi-spiral cleaning unit obtains positive and negative directions on rotating to create a plurality of flow fields. Dirt is discharged easily with water distribution enhanced as compared to unidirectional spiral cleaning devices while a large contact surface, a good cleaning efficiency, and a high decontamination ratio are achieved.

Abstract: A cleaning brush is provided. A cleaning unit comprises cleaning beans fixed on a surface of the carrier in a bi-spiral arrangement. The cleaning beans are arranged in an unequally-spaced manner on center of the carrier along a baseline; and, thus, bi-spirals are formed on the center and coiled in two different outward directions. Two annular spiral curve paths are formed with the cleaning beans as coiling the carrier and extending along the two directions. When the carrier cleans an electronic device, a solution or cleaning agent is discharged along the curve paths in spiral tangential directions. Hence, the bi-spiral cleaning unit obtains positive and negative directions on rotating to create a plurality of flow fields. Dirt is discharged easily with water distribution enhanced as compared to unidirectional spiral cleaning devices while a large contact surface, a good cleaning efficiency, and a high decontamination ratio are achieved.

Abstract: A liquid-cooled cooling device with a channel includes a base a cover unit which is a cylindrical tube sleeved onto the surface of the base. The base has a surface which a groove is concavely disposed on, with a spoiler disposed on a portion of a wall of the groove and extending for a predetermined length in an axial direction of the groove. The cover unit covers the groove and thereby forms a channel which a liquid passes through, with the channel not completely closed by the spoiler. One of the base and the cover unit has a liquid inlet and a liquid outlet. The liquid inlet is in communication with one end of the channel. The liquid outlet is in communication with the other end of the channel.

Abstract: An auto jartest analyzer includes a plurality of water sample reaction equipment, coagulant providing/controlling equipment and a coagulant concentration analysis device. The coagulant providing/controlling equipment provides coagulant of different concentration to the plurality of water sample reaction equipment to allow contaminants in a water sample of the water sample reaction equipment to precipitate. The coagulant concentration analysis device analyzes turbidity measurements for the plurality of water sample reaction equipment and determines if they meet predetermined analysis criteria, so as to figure out an optimal concentration of coagulant currently required to be added to the water sample. This thus achieves automatic analysis of an addition concentration of coagulant to be added to the water sample, which not only improves operational efficiency but also makes the analysis result more accurate.

Abstract: A cleaning brush comprising a carrier and a cleaning unit is provided. The cleaning unit comprises a plurality of cleaning beans set on a surface of the carrier in a spiral arrangement. A spiral coiling around the carrier from an end of the carrier to the other end is formed. A spiral curve path is formed to coil the carrier circumferentially by extendedly arranging the cleaning beans. Hence, the present invention uses the cleaning beans of the cleaning unit to be set on surface of the carrier. On rotating in a fixed direction, the spiral cleaning unit generates a flow field which not only comprises a vertical flow for an object to be cleaned but also a horizontal flow forming a parallel stream. Thus, dirt can be removed more easily than by using a traditional matrix cleaning device.

Abstract: A cleaning brush comprising a carrier and a cleaning unit is provided. The cleaning unit comprises a plurality of cleaning beans set on a surface of the carrier in a spiral arrangement. A spiral coiling around the carrier from an end of the carrier to the other end is formed. A spiral curve path is formed to coil the carrier circumferentially by extendedly arranging the cleaning beans. Hence, the present invention uses the cleaning beans of the cleaning unit to be set on surface of the carrier. On rotating in a fixed direction, the spiral cleaning unit generates a flow field which not only comprises a vertical flow for an object to be cleaned but also a horizontal flow forming a parallel stream. Thus, dirt can be removed more easily than by using a traditional matrix cleaning device.

Abstract: A power supply device is provided. The power supply device includes a power converter and a control circuit. The control circuit is coupled to a power converter. The power converter is configured to convert input power to provide output power. The control circuit is configured to receive a control signal and provide a dummy current according to the control signal and the output power, so that the sum of a current value of the dummy current and a current value of the output power is greater than or equal to a threshold value. The power converter can accordingly convert the input power in a soft switching manner.

Abstract: A liquid-cooled cooling device with a channel includes: a base having a surface which a slender groove is concavely disposed on, with a spoiler disposed on a portion of a wall of the groove and extending for a predetermined length in an axial direction of the groove; and a cover unit coveringly disposed at the base to cover the groove and thereby form a channel which a liquid passes through, with the channel not completely closed by the spoiler. One of the base and the cover unit has a liquid inlet and a liquid outlet. The liquid inlet is in communication with one end of the channel. The liquid outlet is in communication with the other end of the channel.

Abstract: An AC input voltage detecting device includes a first input, a second input, a determining unit, a first voltage-detecting unit, and a second voltage-detecting unit. The first input and the second input are electrically connected to a neutral line and a live line of an AC power, respectively. The determining unit includes a first power switch, a second power switch, and an output, the first and second power switch are electrically connected in series, and the output is coupled to the second power switch. The first voltage-detecting unit is electrically connected to the first input and the first power switch, the second voltage-detecting unit is electrically connected to the second input and the second power switch. A signal for indicating that the AC power supplies normally is generated from the determining unit while the voltages conducted by the live line and the neutral line are normal.

Abstract: A control device using image tracking technology for controlling overhead crane system is disclosed, in which a plurality of image capturers are used to monitor a operating space and a position of the hoisted load, a respective image of two of which are used to establish a 3D coordinate data, so that an image processor calculates parameters including a hoisted load position (P), a swing angle (?) and a cable length (l) by referring to the images received, and generates a feedback signal to a crane controller. The crane controller issues a drive signal according to the feedback signal to drive the overhead crane system.

Abstract: An AC input voltage detecting device includes a first input, a second input, a determining unit, a first voltage-detecting unit, and a second voltage-detecting unit. The first input and the second input are electrically connected to a neutral line and a live line of an AC power, respectively. The determining unit includes a first power switch, a second power switch, and an output, the first and second power switch are electrically connected in series, and the output is coupled to the second power switch. The first voltage-detecting unit is electrically connected to the first input and the first power switch, the second voltage-detecting unit is electrically connected to the second input and the second power switch. A signal for indicating that the AC power supplies normally is generated from the determining unit while the voltages conducted by the live line and the neutral line are normal.