Abstract: An electrical connector includes a contact assembly, a cable assembly terminated to the contact assembly, a cover receiving the contact assembly and the cable assembly, a latch disposed at a bottom of the cover for latching to a mating connector, and an un-mating assembly mounted to the cover and including a lift bar, wherein the latch is operable to unlatch from the mating connector in response to an upward movement of the lift bar while moving upward to dislodge the cover from the mating connector.

Abstract: An electrical connector includes a bracket having a plurality of mating frames arranged side by side in a lateral direction and opening forward and plural transition modules inserted forward to be at least partially accommodated in the mating frame, wherein the bracket defines plural heat dissipation grooves each located between two adjacent frames and plural heat dissipation fins each located in a corresponding heat dissipation groove, the heat dissipation groove opening through in a front-rear direction.

Abstract: An uncertainty calibration method of prediction and a calibration apparatus are provided. One or more additional features are extracted from the data set. The calibration scaling factor is output by inputting the additional features into the decoder. The online prediction is output by inputting the data to be evaluated into the trained prediction model. The calibration scaling factor is used to adjust the variance of the online prediction, where the variance corresponds to the range of variation of the online prediction.

Abstract: A coaxial connector includes a case having an inserting opening, a terminal assembly received in the case and defining a mating opening facing the inserting opening of the case, and an elastic member disposed between the case and the terminal assembly. The elastic member provides elastic forces in a radial direction of the terminal assembly to keep the terminal assembly in a first position in a free state of the terminal assembly, and the elastic member push the terminal assembly to shift to a second position different from the first position in the radial direction in a mated state of terminal assembly when the coaxial connector is mated with a complementary connector.

Abstract: An impeller for heat dissipation fan includes a hub and blades, the blades are arranged around the hub. An inlet side and an outlet side, in an axial direction of the impeller, the inlet side is defined at an end of the impeller, the outlet side is defined at another end of the impeller. Each of the blades comprises a windward surface and a leeward surface opposite to the windward surface, the side of the blade back from the hub is an outer edge, and the side of the blade corresponding to the inlet side is a front edge, a first connection region is connected between the outer edge and the front edge, and the first connection region is arc-shaped where the windward surface connected to the leeward surface.

Abstract: An electrical connector assembly includes: a housing having a base, a body extending rearward from the base, and a hole through the base and the body, the hole including a first part of a first diameter, a second part of a second diameter greater than the first diameter, and a step portion between the first part and the second part; a connector received by the housing, the connector having an insulating member, an inner conductor, and an outer conductor received by the first part of the hole, the outer conductor having plural tabs received by the second part of the hole; and a metal plate confining the tabs to the second part of the hole.

Abstract: An electrical connector includes: an insulative housing defining an upper face and a lower face and having plural passageways running through the upper and lower faces; and plural contacts secured in the plural passageways of the insulative housing. Each of the plural contacts includes a base part, an upper arm extending from the base part, and a first part and a second part bent from opposite sides of the base part, a first limb bent from the first part and a second limb bent from the second part. The first limb and the second limb are located staggered in an upper and lower direction, and the base part, the first and second parts, and the first and second limbs together form a tubular structure.

Abstract: A method of controlling state of electric assist bicycle is provided. The method obtains position information of a target user. The method generates a state switching instruction according to the position information of the target user. The method controls the electric assist bicycle to switch from an unlocking state to a locking state according to the state switching instruction or controlling the electric assist bicycle to switch from the locking state to the unlocking state according to the state switching instruction. A related control device and a related control system are provided.

Abstract: A motor parameter search system and a motor parameter search method are provided. The motor parameter search system includes a processing device and an input device. The processing device may execute a motor design parameter search engine to iteratively perform a parameter search operation based on a plurality of design parameters, a plurality of optimization objectives, a plurality of restriction conditions, and a plurality of historical recommended parameter combinations to generate a plurality of design parameter combinations. The design parameter combinations are sequentially input into a simulation software, so that the simulation software generates a plurality of simulation results. The processing device searches a plurality of historical simulation results in the database according to the plurality of optimization objectives to generate a recommended parameter combination.

Abstract: A board connector includes a first housing including a base and two sidewalls, plural first terminals retained in the base and located between the two sidewalls, and a first metallic shell enclosing the first housing and including a pair of first engaging portions at the sidewalls and a pair of first locking portions located in front of the sidewalls. A cable connector includes a second insulating housing and defining two opposite sides, plural second terminals retained in the second housing, and a second metallic shell enclosing the second housing and including a pair of second locking portions and a pair of second engaging portions behind the second locking portions. The first locking portions are locked with the second engaging portion, and the second locking portion are locked with the first engaging portions after the board connector and the cable connector is mated with each other.

Abstract: An electrical connector includes a housing having a base portion and a tongue portion, two rows of terminals having signal terminals and ground terminals, a grounding member, and a metal shell. The grounding member is formed by bending a metal plate to have two long plates with fingers in contact with corresponding ground terminals. The base body defines a mating face and an outer face. A positioning groove is formed between a first side plate and the outer wall face. The metal shell is provided with an inner plate of which the lower edge is cut into a specific shape to form a locking edge. The metal shell has an inner shell and an outer shell.

Abstract: A method for controlling fans arranged in different working areas comprises: presetting a plurality of fan operation frequencies, receiving a fan operation request and adjusting a frequency of a pulse width modulation (PWM) controller to a first objective frequency based on the fan operation request, and sending the first objective frequency to the fans arranged in different working areas, to drive a first fan arranged in a first objective working area to run. Each of the plurality of fan operation frequencies corresponds to different working areas, the first objective frequency is one of the plurality of fan operation frequencies, and the first objective working area is one of the plurality of working areas corresponding to the first objective frequency. A system for controlling fans and an electronic device are also disclosed.

Abstract: A receptacle assembly includes: a receptacle connector for mounting to a printed circuit board; a holder mounted atop the receptacle connector; and a cage enclosing the receptacle connector and the holder, the cage having a main cage body and a cage top detachably secured to a rear portion of the main cage body.

Abstract: A board connector includes a first housing including a base and two sidewalls and defining a receiving space, a plurality of first terminals and a first metallic shell including a first main portion and two extending portions extending from the first main portion and fitting covering outsides of the sidewalls. Each extending portion defines a locking hole. A cable connector includes a second housing, a plurality of second terminals and a second metallic shell comprising a second main portion covering a top of the second insulating housing and a pair of locking arms extending from the second main portion in the lateral direction. Each sidewall is sandwiched between the locking arm and an outside of the second housing and each locking arm is retained in the locking hole during the cable connector is engaged with the board connector.

Abstract: A radio frequency switch connector includes: a metal case; an insulator defining an inserting hole and received in the metal case; an elastic terminal retained to the insulator and having a first soldering portion; and a fixed terminal retained in the insulator and having a second soldering portion, wherein the first soldering portion and the second soldering portion are aligned with each other in a first direction so as to define an imaginary center line in the first direction, the base of the outer case is asymmetrical at two sides of the imaginary center line so as to shift a weight of the radio frequency switch connector.

Abstract: An electrical connector includes: an insulating housing having a front housing having a front top wall and a pair of front side walls and a rear housing cooperating with the front housing; and plural terminal modules accommodated in the insulating housing, each of the terminal modules including an insulating body and plural conductive terminals held in the insulating body, wherein the rear housing includes a rear top wall and a pair of rear side walls extending downward from the rear top wall, and the rear top wall and the pair of rear side walls surround the terminal module in three directions.

Abstract: An electrical connector includes: an insulative housing having a front tongue with opposite first and second surfaces; first and second rows of contacts molded with the insulative housing and having respective contacting portions exposed to the first surface of the front tongue, each row of contacts including two outermost ground contacts; and a middle grounding member molded with the insulative housing and disposed between the first row of contacts and the second row of contacts; wherein each of the two outermost ground contacts in the first row has an extending portion abutting against a first surface of the middle grounding member; and each of the two outermost ground contacts in the second row has an extending portion abutting against an opposite second surface of the middle grounding member.

Abstract: An electrical connector includes: an insulative base having a top surface, a bottom surface, and plural holes extending through the top surface and the bottom surface; a group of contacts mounted to corresponding holes, each contact having an upper contacting arm and a side portion; and a standoff secured to the side portion.

Abstract: A cable assembly includes: a cable module including plural cables, a ground bar electrically connected to the cables, signal contacts electrically connected to the cables, and a shielding sheet shielding the signal contacts; a housing holding the cable module; and a pair of side plates coupled to the ground bar and the shielding sheet.

Abstract: An electrical connector for mounting on an external circuit board includes: an insulating body; a terminal module assembled on the insulating body and including a plurality of mating terminals, an insulating carrier with an accommodating cavity, plural intermediate terminals fixed on one side of the insulating carrier and electrically connected to the mating terminals, plural pin terminals fixed on the other side of the insulating carrier, and a magnetic module accommodated in the accommodating cavity and electrically connected to the intermediate terminals and the pin terminals, wherein the insulating carrier is a two-piece housing, the intermediate terminals are held in one housing piece, and the pin terminals are held in the other housing piece.