Abstract: An electrical connector assembly comprises an insulating housing defining a cavity and a pocket beside the cavity, a bracket located at the outside of the insulating housing, and a jumper element assembled into the pocket. The bracket comprises a latch extending into the pocket while the jumper element comprises an elastic member elastically received in the pocket and urging the jumper element to move upwardly. The latch of the bracket engages the jumper element to retain the jumper element into the pocket, when releasing the latch, the elastic member ejects the jumper element upwardly out from the pocket.

Abstract: An electronic device includes a printed circuit board having a top surface, a clip member, a heat sink mounted on the top surface of the printed circuit board, and an anchor having a mounting portion with a solder surface for soldering to the top surface of the printed circuit board and a hook portion used to lock the clip member assembled to the heat sink. The solder surface is mounted to the top surface of the printed circuit board by surface mount technique (SMT).

Abstract: An electrical contact (1) includes a base portion (10) for connecting with a first device (2), a first spring arm (12) extends from the base portion (10) and includes a first contact tip (121) at the end thereof for connecting with the first device (2) and a second contact tip (122) near the base portion (10) for connecting with a second device (3), at a first stage, the base portion (10) is higher than the second contact tip (122) and the second contact tip (122) is higher than the first contact tip (121), at another stage, the base portion (10) and the first contact tip (121) are in a same height to contact the first device (2) and the second contact tip (122) is lower than the first contact tip (121) to contact the second device (3).

Abstract: An electrical connector assembly comprises an insulating housing defining a cavity and a pocket beside the cavity, a bracket located at the outside of the insulating housing, and a jumper element assembled into the pocket. The bracket comprises a latch extending into the pocket while the jumper element comprises an elastic member elastically received in the pocket and urging the jumper element to move upwardly. The latch of the bracket engages the jumper element to retain the jumper element into the pocket, when releasing the latch, the elastic member ejects the jumper element upwardly out from the pocket.

Abstract: An electrical connector assembly includes an insulating housing, a jumper element assembled in the insulating housing and a bracket located at the outside of the insulating housing. The insulating housing includes a pocket defining an opening. The bracket includes a retention portion extending into the pocket for retaining the jumper element into the pocket and a latch beside the opening of the pocket. The jumper element includes a protrusion engaging with the latch. The jumper element is assembled into the pocket in a vertical direction and can be pulled out through the opening in the horizontal direction with the latch sliding along the protrusion and finally disengaging the protrusion.

Abstract: The present invention relates to the technical field of service pricing methods, and in particular, to a service pricing method based on a service industry auction system. The present invention adopts the following technical solution, comprising: establishing a service-industry auction system; establishing a model of factors affecting a service price; calculating an influence coefficient of each influencing factor on the price according to historical transaction data of the auction system; the system predicting a market reference price of a service to be auctioned in future auctions; and continually correcting the market reference price predicted by the system according to the historical transaction data.

Abstract: An electrical connector includes an insulative housing having a mating tongue, a plurality of first contacts retained in the housing and exposed upon a first mating face of the mating tongue, and a plurality of second contacts retained in the housing and exposed upon a second mating face of the mating tongue. The first contacts offset with the second contacts in a front elevational view. The mating tongue defines a receiving room at a front portion thereof and extending in a transverse direction, the receiving room runs through the first mating face to directly face to the first contacts and synchronously runs through the second mating face to directly face to the second contacts, which is suitable for minimization.

Abstract: An electronic device includes a printed circuit board having a top surface, a clip member, a heat sink mounted on the top surface of the printed circuit board, and an anchor having a mounting portion with a solder surface for soldering to the top surface of the printed circuit board and a hook portion used to lock the clip member assembled to the heat sink. The solder surface is mounted to the top surface of the printed circuit board by surface mount technique (SMT).

Abstract: A bicycle expander basically includes an expander body, an expanding structure and a positioning shoulder. The expander body has a cylindrical shape and being capable of varying an effective diameter thereof. The expanding structure is operatively connected to the expander body to vary the effective diameter of the expander body. The positioning shoulder extends from an axial end portion of the expander body, the positioning shoulder including an abutment protruding a radially outward direction with respect to the expander body.

Abstract: An electrical connector assembly mounted on a printed circuit board, includes a socket and a connector. The socket mounted on the printed circuit board, has an insulative housing with upper body and lower body formed with a receiving room. A number of contacts respectively received in the upper body and lower body with a same structure. The contacts have spring portions extending into the receiving room and soldering portions extending beyond the upper body and the lower body. The connector is mounted on the printed circuit board. A linking element mechanically and electrically connects the socket and the connector.

Abstract: An electrical connector assembly mounted on a printed circuit board, includes a socket and a connector. The socket mounted on the printed circuit board, has an insulative housing with upper body and lower body formed with a receiving room. A number of contacts respectively received in the upper body and lower body with a same structure. The contacts have spring portions extending into the receiving room and soldering portions extending beyond the upper body and the lower body. The connector is mounted on the printed circuit board. A linking element mechanically and electrically connects the socket and the connector.

Abstract: A curved touch device is provided in the present invention including a back cover and a touch panel corresponding to the back cover, where at least one edge portion of the touch panel is a curve surface jointing with the one edge of the back cover.

Abstract: An electrical socket includes an insulating housing, a plurality of contacts, an upper film permanently attached to the top face and a lower film permanently attached to the bottom face. The insulating housing defines a top face and a bottom face, and a plurality of through holes through the top and bottom faces. The contacts are retained in the insulating housing and the contacts comprise elastic portions received in the through holes, contacting portions and connecting portions. The contacting portions and connecting portions integrally connected with opposite ends of the elastic portions respectively. The contacting portions run through the upper film and the connecting portions run through lower film.

Abstract: An electrical connector includes a contact carrier receiving a plurality of contacts with solder balls, respectively. A socket frame has an opening formed by a number of sidewalls, the contact carrier is disposed in the opening and lower than the sidewalls. A bottom support has a thin board located below and supported the contact carrier and the socket frame, and an aperture is formed by the thin board to allow the solder balls passing through thereof. The thin board of the bottom support at least attaches with the socket frame.

Abstract: An electrical socket includes an insulating housing, a plurality of contacts, an upper film permanently attached to the top face and a lower film permanently attached to the bottom face. The insulating housing defines a top face and a bottom face, and a plurality of through holes through the top and bottom faces. The contacts are retained in the insulating housing and the contacts comprise elastic portions received in the through holes, contacting portions and connecting portions. The contacting portions and connecting portions integrally connected with opposite ends of the elastic portions respectively. The contacting portions run through the upper film and the connecting portions run through lower film.

Abstract: A bicycle expander basically includes an expander body, an expanding structure and a positioning shoulder. The expander body has a cylindrical shape and being capable of varying an effective diameter thereof. The expanding structure is operatively connected to the expander body to vary the effective diameter of the expander body. The positioning shoulder extends from an axial end portion of the expander body, the positioning shoulder including an abutment protruding a radially outward direction with respect to the expander body.

Abstract: An electrical connector includes a contact carrier receiving a plurality of contacts with solder balls, respectively. A socket frame has an opening formed by a number of sidewalls, the contact carrier is disposed in the opening and lower than the sidewalls. A bottom support has a thin board located below and supported the contact carrier and the socket frame, and an aperture is formed by the thin board to allow the solder balls passing through thereof. The thin board of the bottom support at least attaches with the socket frame.

Abstract: An electrical interposer for connecting two electronic devices includes a plurality of first cores with undulating structure extending in a first direction and a plurality of second cores with undulating structure extending in a second direction angular with the first direction. Each first core has first peaks and first valleys alternately arranged in the first direction and each first peak is electrically connected with a corresponding neighboring first valley but insulated from others. Each second core has second peaks and second valleys alternately arranged in the second direction and each second peak is electrically connected with a corresponding neighboring second valley but insulated from others. The first cores and the second cores interlace with each other to reach a woven structure with the first peaks and the second peaks jointly constituting an upper interface, and the first valleys and the second valleys jointly constituting a lower interface.

Abstract: A bicycle headset includes a first race member, a second race member, at least one rolling member, a compression ring and a sealing ring. The first race member includes a first support surface. The second race member includes a second support surface. The at least one rolling member is disposed between the first and second support surfaces. The compression ring is disposed on the second race member. The sealing ring is disposed on the compression ring.

Abstract: An electrical connector includes an insulative housing and a number of electrical contacts secured to the insulative housing. The insulative housing has a pair of opposite top surface and bottom surfaces. Each electrical contact includes a retaining section received in the insulative housing, a flat offset section bending from a top end of the retaining section and extending along the top surface of the insulative housing, a soldering section bending from a bottom end of the retaining section, and a cantilevered contact arm bending downwardly from the offset section and projecting into the insulative housing.