Abstract: An electric screwdriver includes a motor having a motor shaft, a handle housing for accommodating the motor, an output shaft at least partly protruding from the handle housing, a transmission device for enabling the motor shaft to drive the output shaft to rotate around a first axis, an exploring antenna for detecting whether an object is charged, and an operating switch coupled to the handle housing for controlling the motor. The exploring antenna has a front end portion extending beyond the handle housing. The output shaft has an inserting groove, and a ratio of the maximum size of the handle housing to the maximum size of the inserting groove in a radial direction of the output shaft is greater than or equal to 3.9 and less than or equal to 8.

Abstract: A power tool includes a function device for performing the main function of the power tool, a positive connecting terminal for connecting with a positive pole of a power supply, a negative connecting terminal for connecting with a negative pole of the power supply, a main switch for controlling the connection between the output terminal and the power supply, an illumination circuit having at least one illumination member, an illumination control circuit for controlling the connection between the illumination member and the power supply, and a delay circuit for controlling the illumination control circuit so that the illumination member can still illuminate when the main function of the power tool is shut off.

Abstract: An electrical socket connector includes an insulating base, a metal casing, a metal partition plate and plural signal terminals. The insulating base includes a tongue, a metal casing sheathed on insulating base and disposed around the tongue, and the metal partition plate is embedded in the tongue. At least one grounding terminal is extended from the metal partition plate. The signal terminals are embedded in the insulating base and partitioned on both sides of the corresponding metal partition plate respectively. The grounding terminal is extended and passed out of the insulating base and in contact with the metal casing to achieve the grounding effect.

Abstract: Superficially porous hybrid particles include hybrid solid cores that each contain an inorganic material and an organic material; and porous hybrid outer shells each include the inorganic and organic materials and having ordered pores, wherein the ordered pores have a median pore size ranges from about 15 to about 1000 ? with a pore size distribution (one standard deviation) of no more than 50% of the median pore size and produce at least one X-ray diffraction peak between 0.01° and 10° of a 2? scan range; wherein the particles have a median size range from about 0.5 ?m to about 100 ?m with a particle size distribution (one standard deviation) of no more than 15% of the median particle size, wherein the inorganic material comprises a metal oxide selected from silica, alumina, titania or zirconia.

Abstract: An electronic device includes a first body, a second body, a pivot shaft, a pivot holder and restraining mechanisms. The first body includes a first connecting side, a groove disposed at the first connecting side and a first attracting component disposed in the groove. The second body includes a second connecting side where the pivot shaft is disposed at. The pivot holder connects the pivot shaft to rotate relative to the second body via the pivot shaft. The restraining mechanisms are disposed at the pivot holder. Each restraining mechanism includes a hollow protrusion and a second attracting component movably disposed in the hollow protrusions respectively. The first body is adapted to be engaged with the hollow protrusions via the groove. The second attracting components move away from the pivot holder and are attracted to the first attracting component, such that the first body is engaged with the pivot holder.

Abstract: An integrated circuit device can include at least one oscillator stage having a current mirror circuit comprising first and second mirror transistors of a first conductivity type, and configured to mirror current on two mirror paths, at least one reference transistor of a second conductivity type having a source-drain path coupled to a first of the mirror paths, and a switching circuit coupled to a second of the mirror paths and configured to generate a transition in a stage output signal in response to a stage input signal received from another oscillator stage, wherein the channel lengths of the first and second mirror transistors are larger than that of the at least one reference transistor.

Abstract: The embodiment of the present document relates to an idle scheduling method and a home network node, wherein the method includes: a domain master node performing an idle scheduling on intra-domain ordinary nodes according to an idle scheduling policy; when the domain master node determines that all the intra-domain ordinary nodes are in a energy-saving mode according to the idle scheduling information of all the intra-domain ordinary nodes, the domain master node entering into the energy-saving mode, and when all the intra-domain ordinary nodes are in an idle state, the domain master node being in the idle state.

Abstract: A saw sheath includes an accommodation chamber and an access hole located in a top side of the accommodation chamber for allowing the saw blade of a saw to be inserted through the access hole and accommodated in the accommodation chamber. The cross section of the accommodation chamber defines a long axis direction and a short axis direction perpendicular to the long axis direction. The saw sheath further includes a cross-sectional slot extending from the access hole along the length of the saw sheath in communication with the accommodation chamber in the long axis direction of the accommodation chamber such that the saw can be conveniently moved out of the saw sheath through the cross-section slot in the long axis direction of the accommodation chamber after the saw blade of the saw having been pulled outwards to a certain distance.

Abstract: A method for controlling an electrical tool having a motor, a transmission mechanism, a control device, and a function member. The motor drives the function member to move in a reciprocating manner via the transmission mechanism. The function member has a standard position and the control device controls the motor. The control device at least has an associated position sensor capable of detecting a position of the function member. The method for controlling the electrical tool includes at least a reset movement process that is used to reset the function member to the standard position after the function member completes more than one cycle of reciprocating movement.

Abstract: An anti-deformation low profile card edge connector includes an insulation body having a transverse elongated shape and a plurality of terminals. The insulation body has a top portion and a bottom portion forming along a transverse direction of the insulation body. An insertion slot is indentedly formed between the top portion and the bottom portion. The bottom portion is connected to a terminal base protruding further out than the top portion. Each terminal is respectively arranged on the terminal base to insert into the insertion slot. The insulation body and the terminal base are connected in such a manner that a space is reserved between them, and thereby the even contact between each terminal and the circuit board is not affected by deformation during a process of welding the card edge connector and a circuit board together.

Abstract: An integrated circuit device can include at least one oscillator stage having a current mirror circuit comprising first and second mirror transistors of a first conductivity type, and configured to mirror current on two mirror paths, at least one reference transistor of a second conductivity type having a source-drain path coupled to a first of the mirror paths, and a switching circuit coupled to a second of the mirror paths and configured to generate a transition in a stage output signal in response to a stage input signal received from another oscillator stage, wherein the channel lengths of the first and second mirror transistors are larger than that of the at least one reference transistor.

Abstract: An integrated circuit can include at least one slew generator circuit comprising at least one body biasable reference transistor, the slew generator circuit configured to generate at least a first signal having a slew rate that varies according to characteristics of the reference transistor; a pulse generator circuit configured to generate a pulse signal having a first pulse with a duration corresponding to the slew rate of the first signal; and a counter configured to generate a count value corresponding to a duration of the first pulse.

Abstract: An electrical connector includes a female connector (10) and a male connector (20). The female connector (10) includes a female connector body (11) and a vertical wall (12) that define an accommodating space (17), a positioning block (13) disposed in the accommodating space (17), a latch edge (121) and a blocking wall (122) protruded from the vertical wall (12), and a latch space (18) defined by the latch edge (121) and female connector body (11). The male connector (20) having front, rear, and side end surfaces (211, 212, 213) is plugged into the accommodating space (17) and includes a male connector body (21), an extension plate (22), and a hook (23) latched to the latch edge (121), and the rear end surface (212) abuts the blocking wall (122), and the side end surface (213) has a positioning notch (217) for positioning the positioning block (13).

Abstract: An integrated circuit device can include at least one oscillator stage having a current mirror circuit comprising first and second mirror transistors of a first conductivity type, and configured to mirror current on two mirror paths, at least one reference transistor of a second conductivity type having a source-drain path coupled to a first of the mirror paths, and a switching circuit coupled to a second of the mirror paths and configured to generate a transition in a stage output signal in response to a stage input signal received from another oscillator stage, wherein the channel lengths of the first and second mirror transistors are larger than that of the at least one reference transistor.

Abstract: An integrated circuit can include at least one slew generator circuit comprising at least one body biasable reference transistor, the slew generator circuit configured to generate at least a first signal having a slew rate that varies according to characteristics of the reference transistor; a pulse generator circuit configured to generate a pulse signal having a first pulse with a duration corresponding to the slew rate of the first signal; and a counter configured to generate a count value corresponding to a duration of the first pulse.

Abstract: A method for vehicle positioning is provided, which includes the steps of identifying at least one vehicle in an image, obtaining identification information of each vehicle from the image, and transforming coordinates of each vehicle in the image into positioning information of the corresponding vehicle according to mapping information. The positioning information is a position of the corresponding vehicle in real world. Precise lane-level vehicle positioning can be achieved based on comparison with the identification information or the positioning information.

Abstract: A cover opening structure including a case, a cover, a pushing button, a pushing unit and an axle is provided. The cover has a first portion having a first side, a second portion having a second side connected to the case, and a connecting portion connected therebetween, wherein the connecting portion is softer than the first and second portions. The pushing button disposed on the case has a body and an inserting portion extended from the body. The pushing unit has a first end, a second end and a leaning portion connected therebetween and is inserted between the body and the first end. The axle is disposed at the case while the leaning portion leans against the axle. The pushing unit rotates about the axle while the first end moves downward and the second end moves upward to push up the first portion when the pushing button is moved.

Abstract: An anti-deformation low profile card edge connector includes an insulation body having a transverse elongated shape and a plurality of terminals. The insulation body has a top portion and a bottom portion forming along a transverse direction of the insulation body. An insertion slot is indentedly formed between the top portion and the bottom portion. The bottom portion is connected to a terminal base protruding further out than the top portion. Each terminal is respectively arranged on the terminal base to insert into the insertion slot. The insulation body and the terminal base are connected in such a manner that a space is reserved between them, and thereby the even contact between each terminal and the circuit board is not affected by deformation during a process of welding the card edge connector and a circuit board together.

Abstract: A micro-nano fluid damper includes a sleeve, a piston assembly and a micro-nano fluid. The sleeve has an accommodating space. The piston assembly has a piston head and at least one piston rod. The piston assembly is movably disposed in the accommodating space. The piston rod extends out of the sleeve from a side of the piston head. The micro-nano fluid is filled between the sleeve and the piston assembly, and the micro-nano fluid flows in the accommodating space by the back-and-forth movement of the piston. When a shear strain rate of the micro-nano fluid is greater than 1 s?1, an exponent of velocity of the micro-nano fluid damper is less than 1, and the micro-nano fluid has a shear thinning threshold and a shear thickening threshold.

Abstract: A multi-purpose electric tool has a motor, an impact block, a detection assembly configured to detect the position and the movement state of the impact block, and a main control circuit board configured to control whether the motor is powered off upon reaching a preset state according to the detected information of the detection assembly. In the control method, the detection assembly feeds back the detected information to the main control circuit board, if the impact block is not impacting reciprocatingly, the main control circuit board performs torque control according to whether the preset state is reached; and if the impact block is impacting reciprocatingly, the main control circuit board enables the motor to output in a normal mode which does not limiting the current.