Abstract: The pumping device includes a barrel, a cover, a pumping mechanism, a positioning ring, and plural posts. The barrel has plural first positioning portions extending upward near a bottom thereof. The cover is disposed on the barrel to selectively close the barrel. The pumping mechanism is disposed on the cover for pumping liquid in the receiving space outward or pumping liquid outside into the receiving space. The positioning ring is detachably combined by two semi-ring bodies and is sleeved onto the cover and the barrel to position the cover on the barrel. The positioning ring has plural second positioning portions. Each of the posts connects the positioning ring and the bottom of the barrel therebetween. Each post is detachably connected to one of the first positioning portions and one of the second positioning portions therebetween so that the two semi-ring bodies are unable to separate freely.

Abstract: A method of calibrating touch sensing applicable to a microprocessor of an ultrasonic touch sensing device, in which the ultrasonic touch sensing device is for generating a touch sensing signal according to a ultrasonic wave, and the method includes: receiving the touch sensing signal; measuring temperature of the ultrasonic touch sensing device to generate multiple temperature parameters; if a variation tendency of the temperature parameters is downward, and if a level of the touch sensing signal lower than a level of a reference signal is first detected, storing the level of the touch sensing signal as a first signal strength and reporting a touch event is detected; and if the variation tendency of the temperature parameters is downward, and if the level of the touch sensing signal lower than the level of the reference signal is not first detected, calibrating the reference signal according to the touch sensing signal.

Abstract: Techniques for presenting a content item with a media item are described. The techniques include receiving user input indicating a placement preference for a content item to be presented with a media item. The placement preference indicates a presentation preference of the content item relative to presentation of the media item. The placement preference is used to influence selection of a media item with which the content item is to be presented.

Abstract: A tube bender is provided, including: a fixation portion, configured to be held by a fixation base; a plurality of bending portions, connected with the fixation portion, each of the plurality of bending portions has a circumferential guiding face, at least two of curvature of radiuses of the circumferential guiding faces of the plurality of bending portions are different.

Abstract: A microstrip collinear array includes a bearing member, two first antenna assemblies, two second antenna assemblies, a first connecting line, and a second connecting line. The two first antenna assemblies are juxtaposed on the bearing member. Each of the first antenna assemblies includes several first planar antennas. The two second antenna assemblies are juxtaposed on the bearing member and are respectively and correspondingly located on an opposite side of the two first antenna assemblies. Each of the second antenna assemblies includes several second planar antennas. The first connecting line and the second connecting line are disposed on the bearing member. The second connecting line is located on an opposite side of the first connecting line and is electrically connected to the first connecting line. The first connecting line is electrically connected to the first antenna assemblies. The second connecting line is electrically connected to the second antenna assemblies.

Abstract: A suction cup is provided, including: a cup body, including a sucking face, the cup body defining an axial direction perpendicular to the sucking face; a pump, connected to an end of the cup body opposite to the sucking face, the pump including a first passageway, a direction in which the first passageway extends and the axial direction forming an acute included angle therebetween; a movable handle, slidably disposed within the first passageway, including a piston.

Abstract: A tube bender is provided, including: a fixation portion, configured to be held by a fixation base; a plurality of bending portions, connected with the fixation portion, each of the plurality of bending portions has a circumferential guiding face, at least two of curvature of radiuses of the circumferential guiding faces of the plurality of bending portions are different.

Abstract: A detection device includes a light refraction structure and a resistance detection circuit. The light refraction structure includes a substrate, a conductive layer, and a refraction layer. The conductive layer and the refraction layer are formed on the substrate. The conductive layer includes a resistance. The resistance detection circuit is electrically coupled to the conductive layer and is adapted to detect the resistance of the conductive layer. The resistance detection circuit generates a detection signal according to a change in the resistance, and the detection signal represents a state of the refraction layer.

Abstract: A differential trace pair system includes a board including a board structure having a first, a second, a third, and a fourth board structure member, wherein a distance between the first and the third board structure members is longer than a distance between the second and the fourth board structure members. The differential trace pair system further includes a differential trace pair that includes a first differential trace extending between the first and the third board structure members and a second differential trace extending between the second and the fourth board structure members. The second differential trace having a serpentine structure that includes a first portion that continuously transitions away from the first differential trace and a second portion that is contiguous with the first portion, the second portion continuously transitions towards the first differential trace.

Abstract: A firing pin assembly of a nail gun and a bonding method thereof are provided. The firing pin assembly includes a firing pin body and a firing pin head made of a material having a hardness greater than that of the firing pin body. The firing pin head has a first end and a second end. The first end is made of a material having a density lower than that of the second end. The first end and the front end face of the firing pin body are preheated to a set temperature. The top of the second end is pressed toward the front end face of the firing pin body for an appropriate bonding time, so that the material particles of the firing pin body are dissociated and fused into the first end of the firing pin head to form the firing pin assembly.

Abstract: The pumping device includes a barrel, a cover, a pumping mechanism, a positioning ring, and plural posts. The barrel has plural first positioning portions extending upward near a bottom thereof. The cover is disposed on the barrel to selectively close the barrel. The pumping mechanism is disposed on the cover for pumping liquid in the receiving space outward or pumping liquid outside into the receiving space. The positioning ring is detachably combined by two semi-ring bodies and is sleeved onto the cover and the barrel to position the cover on the barrel. The positioning ring has plural second positioning portions. Each of the posts connects the positioning ring and the bottom of the barrel therebetween. Each post is detachably connected to one of the first positioning portions and one of the second positioning portions therebetween so that the two semi-ring bodies are unable to separate freely.

Abstract: A firing pin assembly of a nail gun and a bonding method thereof are provided. The firing pin assembly includes a firing pin body and a firing pin head made of a material having a hardness greater than that of the firing pin body. The firing pin head has a first end and a second end. The first end is made of a material having a density lower than that of the second end. The first end and the front end face of the firing pin body are preheated to a set temperature. The top of the second end is pressed toward the front end face of the firing pin body for an appropriate bonding time, so that the material particles of the firing pin body are dissociated and fused into the first end of the firing pin head to form the firing pin assembly.

Abstract: A differential trace pair system includes a board having a first, a second, a third, and a fourth board structure member. A differential trace pair in the board includes a first differential trace extending between the first and the third board structure members, and a second differential trace extending between the second and the fourth board structure members. The differential trace pair includes a serpentine region that includes a first portion and a second portion where the first and the second differential traces have a first width, are substantially parallel, and spaced apart by a first differential trace pair spacing, and a third portion in which the second differential trace includes a second width that is greater than the first width, the first and second differential traces are substantially parallel and spaced apart by a second differential trace pair spacing that is greater than the first differential trace pair spacing.

Abstract: A fluid pumping device includes a barrel body and a piston mechanism. The barrel body has a cavity. The piston mechanism includes a piston member, a first annular plug, and a second annular plug. The piston member movably extends into the cavity. The piston member has two annular grooves where the first and the second annular plugs are disposed respectively. Each of the first the second annular plugs has an annular base section and an annular protrusion section. The annular protrusion section has a first outer annular abutting face. The annular base section has an outer annular base face. The first outer annular abutting face abuts against the inner wall of the cavity.

Abstract: A package carrier includes a plurality of first circuit patterns, a plurality of second circuit patterns and an insulating material layer. The second circuit patterns are disposed between any two the first circuit patterns and are directly connected to the first circuit patterns. In a cross-sectional view, a first thickness of each of the first circuit patterns is greater than a second thickness of each of the second circuit patterns. A first surface of each of the first circuit patterns is aligned with a second surface of each of the second circuit patterns. The insulating material layer at least contacts the first circuit patterns.

Abstract: A touch system includes a processor and a touch array. The touch array includes touch units. Each of the touch units includes a driving electrode, a first sensing electrode, and a second sensing electrode. A first capacitor is formed between the first sensing electrode and the driving electrode. A second capacitor is formed between the second sensing electrode and the driving electrode. The processor is configured to: determine whether the touch array operates in an underwater mode according to the first original capacitance value and the second original capacitance value; determine whether a conductor touch event occurs according to a first threshold value and a voltage across the first capacitor when the touch array operates in the underwater mode; and determine whether a non-conductor touch event occurs according to a second threshold value and a voltage across the second capacitor when the touch array operates in the underwater mode.