Abstract: An LED light core structure, which has better mechanical strength and good heat dissipation effect and is able to 360-degree project light. The LED light core structure includes a substrate having at least two faces. The substrate is formed with at least one opening communicating the two faces. LEDs are disposed on at least one of the two faces of the substrate at the opening, whereby the light emitted from the LEDs disposed on one of the two faces of the substrate can be projected through the opening to the opposite face of the substrate. Accordingly, the substrate can be made of metal material, whereby the substrate is unlikely to crack so that the ratio of good products is increased and the substrate can provide excellent heat dissipation effect for the LEDs. The conventional wolfram filament electrodes can be directly replaced with the LED light core structure.

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: An electrical connector includes an insulative housing defining a base portion and a mating tongue forwardly extending from the base portion, and a plurality of terminals insert molded in the housing. Each of the terminals defines a horizontal portion with a contacting section exposed upon the mating tongue, a tail portion bending out of the base portion, and a retaining section disposed between the horizontal portion and the tail portion and fully embedded within the base portion without exposure. The horizontal portion is provided in a rectangular shape, and at least a portion of the retaining section is provided in a round shape to provide good waterproof function with lower cost.

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 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 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: 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 integrated multi-user satellite receiver includes: a single-chip, and the single-chip includes: a first synthesizer for generating a first oscillating signal having a first frequency; a first frequency multiplier for generating a second oscillating signal having a second frequency according to the first oscillating signal; a second synthesizer for generating a third oscillating signal having a third frequency; and a second frequency multiplier for generating a fourth oscillating signal having a fourth frequency according to the third oscillating signal; wherein the single-chip generates a first down-converted signal according to a first satellite signal and the second oscillating signal, generates a second down-converted signal according to the first satellite signal and the fourth oscillating signal, generates a third down-converted signal according to a second satellite signal and the second oscillating signal, and generates a fourth down-converted signal according to the second satellite signal and the

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: 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 universal tuning module may include an oscillator, a first tuner configured to process a first television signal, a second tuner configured to process a second television signal, a first switch configured to pass its input containing information associated with an output of the oscillator to said first tuner, and a second switch configured to pass its input containing information associated with the output of the oscillator to the second tuner.

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: A detachable lamp includes a lighting module, a first engaging member, and an optical device. The lighting module includes a base and a lighting unit. The base surrounds the lighting unit. The first engaging member is disposed on the base and has a first through hole. The first through hole is aligned with the periphery of the lighting unit. The first engaging member has a plurality of engaging portions circularly disposed on the first engaging member. The optical device has a second engaging member located on the optical device. The second engaging member has a second through hole and a plurality of engaging notches. The second through hole is aligned with the first through hole. The engaging notches are circularly formed on the second engaging member, and sidewalls of the engaging notches are able to insert into the engaging portions and rotate an angle.

Abstract: A communication method of coordinated multi-point transmission systems. Based on the Zadoff-Chu sequences, multiple training sequences are implemented, and the training sequences are a set of robust orthogonal training sequence (ROTS). Preamble signals that use the set of training sequences can be transmitted from multiple base stations/relay stations at the same time. In the case with the mixture signal of multiple preamble signals, user equipment can still use the received signal to estimate multiple carrier frequency offsets of the corresponding base stations/relay stations.

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.