Abstract: A headphone includes a base, an accommodating space, a bracket, a circuit board accommodated in the accommodating space, a signal cable, a microphone assembly accommodated in the accommodating space, and a sound chamber unit accommodated in the accommodating space. The base has a sidewall and an outer wall surrounding the accommodating space. A junction portion between the sidewall and the outer wall is recessed inward to form a recess. At least one connection wall has a through hole communicated with the accommodating space. The bracket is received in the recess. The bracket includes an outer cover and an inner cover. A cable path is formed between the outer cover and the inner cover. One end of the bracket has a guiding slot connected to the cable path. The guiding slot is corresponding to the through hole. The signal cable is arranged along the cable path.

Abstract: An electrical connector includes an insulating housing and a terminal assembly. The insulating housing has a base body. A front surface of the base body extends frontward to form a stepping portion. A front surface of the stepping portion extends frontward to form a tongue portion. The terminal assembly includes at least two ground terminals, at least two power terminals and at least two detecting terminals fastened to the insulating housing. The at least two ground terminals are mounted to two outermost portions of two opposite sides of the tongue portion. The at least two power terminals are mounted to the two opposite sides of the tongue portion. The at least two detecting terminals are disposed in a middle of the tongue portion, and the at least two power terminals surround the at least two detecting terminals.

Abstract: A SIM card connector includes an insulating body, a plurality of first terminals and a plurality of second terminals. The insulating body has a plurality of first slots and a plurality of second slots. Each side wall of each first slot has a limiting slot. The plurality of the first terminals are inserted into the plurality of the first slots. Each first terminal has a first base portion, a first soldering portion connected with a lower end of the first base portion, and a first contacting portion connected with an upper end of the first base portion. The plurality of the second terminals are inserted into the plurality of the second slots. Each second terminal has a second contacting portion slantwise extended towards a rear end of the insulating body and exposed beyond a top surface of the insulating body.

Abstract: An electrical connector assembly includes a first connector, and a second connector docked with the first connector. The first connector includes a first insulating housing, a plurality of first signal terminals disposed in the first insulating housing, and a plurality of first power terminals disposed in the first insulating housing. Extension directions of the plurality of the first power terminals are multiple directions. The second connector includes a second insulating housing, a plurality of second signal terminals disposed in the second insulating housing, and a plurality of second power terminals disposed in the second insulating housing. Extension directions of the plurality of the second power terminals are multiple directions. The plurality of the first signal terminals are corresponding to the plurality of the second signal terminals. The plurality of the second power terminals correspondingly contact with the plurality of the first power terminals.

Abstract: A battery connection device includes a base end connector, a battery end connector and a waterproof rubber ring. The base end connector includes a base end terminal module. The base end terminal module is mounted to the base end connector. The base end connector has a ring-shaped holding groove. The holding groove surrounds the base end terminal module. The battery end connector is docked with the base end connector. The battery end connector includes a base plate, and a battery end terminal module mounted on the base plate. The base end terminal module is docked with the battery end terminal module. The waterproof rubber ring is mounted between the base end connector and the battery end connector.

Abstract: A dynamic switching method is applied to an electronic switching device. Judge whether insertion and withdrawal times between the electronic switching device and a USB cable reach a preset threshold value. Start a UART function of the electronic switching device temporarily. Judge whether an instruction of starting the UART function sent by the USB cable is received. If a recognition program unit receives the instruction of starting the UART function, the recognition program unit starts the UART function. Execute the UART function. Judge whether the electronic switching device receives an instruction of stopping the UART function. Switch to an initial status. Change a start value of a UART circuit unit into an initial value of the UART circuit unit. Charge the electronic switching device through the USB cable.

Abstract: An electrical connector includes an insulating body, a plurality of signal terminals assembled to the insulating body, and a plurality of power terminals assembled to the insulating body. The plurality of the power terminals surround and are spaced from the plurality of the signal terminals. Each power terminal has a base plate. Two opposite sides of the base plate extend towards the plurality of the signal terminals to form two bending arms. Two free ends of the two bending arms extend towards each other to form two connecting portions. A middle of a rear end of the base plate slantwise extends inward and towards the docking connector to form one first elastic arm. Two rear ends of the two connecting portions slantwise extend inward and towards the docking connector to form two second elastic arms.

Abstract: A headphone comprises: a headphone main body and an ear supporting wrapped on the headphone main body, wherein the ear supporting includes a sleeve section which includes a main body portion, a lateral bulge portion, an inner bulge portion, and a circumferential bulge portion, and an ear hanging section which includes a first extension end extended toward the bottom, the front end and the inner side of the ear supporting from the top of the lateral bulge portion for fitting in the concha cymba, a bending end arranged to connect the first extension end and the second extension end and then bended toward the top of the ear supporting for fitting in the front surface of the antihelix, and a second extension end extended toward the top, the front end and the outer side of the ear supporting for fitting in the inner side of the helix.

Abstract: A short circuit detection module includes a power unit including a battery for providing a voltage of the battery, a monitoring unit, a switch unit, a heating unit and a control unit. The monitoring unit is connected with the power unit. The switch unit includes a first MOSFET, the monitoring unit is connected with the source electrode of the first MOSFET. The heating unit is connected with the drain electrode of the first MOSFET, the drain electrode of the first MOSFET transmits a heating current to the heating unit. A heating voltage is generated at an output terminal of the short circuit detection module. The control unit is connected with and controls the power unit, the monitoring unit, the switch unit and the heating unit. When the heating voltage is greater than a critical value of the heating voltage, the control unit turns off the first MOSFET.

Abstract: A ball joint holder with limiting element includes a lower base, an upper base covered to the lower base, a ball shaft and a limiting element. The ball shaft has a rotation rod, and a ball body located around a lower end of the rotation rod. A lower end of the rotation rod protrudes outward to form a limiting block. Two opposite ends of the limiting element are pivotally connected with the lower base and the upper base. The limiting element opens a limiting groove. One of inner surfaces of a front wall and a rear wall of the limiting groove is defined as a limiting surface. The lower end of the rotation rod and the limiting block are received in the limiting groove. The limiting block is capable of abutting against the limiting surface.

Abstract: A head band; and a pair of earmuffs being respectively mounted on two ends of the head band, each of the earmuffs has a speaker and a cushion. The cushion has an annular elastic portion protruded from a peripheral of the cushion and a chamber is surrounded by the annular elastic portion. The speaker has a back housing. A circuit board mounted to the back housing. A connector mounted on the circuit board. A speaker unit mounted to the back housing. A front housing covers the speaker unit and is assembled with the back housing. An opening penetrated through the front housing. A pressure sensor is disposing in the opening. A flexible circuit board connected between the pressure sensor and the connector of the circuit board. The cushion attached to the front housing. The pressure sensor is located in the chamber.

Abstract: A receptacle connector device for electrical vehicle use in accordance with the present invention is disposed at a battery terminal of an electric vehicle and is connected to a plug connector in a charging station. The receptacle connector comprises an insulating body and a plurality of conducting elements. The insulating body is made of waterproof plastic materials and the plurality of the conducting elements are made of metal materials. The insulating body has a plurality of concentric circular grooves and a transverse portion. The plurality of the conducting elements are respectively disposed in the plurality of the concentric circular grooves, characterized in that: each of the plurality of the conducting elements forms a rough surface, thereby to enlarge contact area between the plurality of the conducting elements and the insulating body in moulding process for firm combination of plastic and metal materials.

Abstract: A headset includes a curved headband, at least one sliding rod slidably arranged to one end of the headband, at least one suspension bracket rotatably connected to the at least one sliding rod, at least one insertion hole penetrating through the at least one suspension bracket, at least one fastening shaft mounted in the at least one insertion hole, and at least one elastic element. The at least one insertion hole has an assembling end, a buffering end, and a pivot block located between the assembling end and the buffering end. The at least one fastening shaft has a fixing portion, an extending portion, and an interfering portion located between the fixing portion and the extending portion. The pivot block clamps the interfering portion. The at least one elastic element is fastened between the extending portion and the buffering end.

Abstract: A headband structure for headphones, comprising: a headband set, and an adjustment module arranged at an end of the headband set, wherein the adjustment module includes: an earphone hanger which is consisted of a hanger frame, a fixing base arranged at an end of the hanger frame, a spring arranged on the fixing base and a convex face arranged on the spring, a first cap body arranged at a side of the earphone hanger, a wave form fastener arranged on the first cap body to contact with the convex face, a second cap body arranged at another side of the earphone hanger, and a sliding space formed between the first cap body and the second cap body for accommodating an end of the earphone hanger.

Abstract: A switch module includes a pressing button and a circuit board. A bottom surface of the pressing button has an operation rod. The operation rod moves from a first position to a second position. The pressing button has an extending arm located to one end of the operation rod. One end of the extending arm has a blocking block. A top surface of the pressing button extends opposite to the operation rod to form at least one extending foot. The circuit board is disposed above and spaced from the pressing button. The circuit board is equipped with a first switch and a second switch. The at least one extending foot is corresponding to the first switch. The extending arm is corresponding to the second switch.

Abstract: An injection mold for molding an electrical connector assembly which includes a plurality of terminals, a clamping component located above the plurality of the terminals, and a base body fastened to the plurality of the terminals and the clamping component. The injection mold includes a lower mold and an upper mold. The lower mold has a plurality of lower terminal grooves. Lower portions of the plurality of the terminals are placed in the plurality of the lower terminal grooves. The clamping component is placed on the lower mold. The upper mold is engaged with and mounted on the lower mold. A molding cavity is formed between the upper mold and the lower mold. The upper mold has a plurality of upper terminal grooves. Upper portions of the plurality of the terminals are placed in the plurality of the upper terminal grooves.

Abstract: A magnetic camera device adapted for being assembled to a notebook computer. The notebook computer has a first connection unit which includes a first connector, and at least one first magnetic element located to at least one side of the first connector. The magnetic camera device includes a shell, an image module unit assembled in the shell, and a second connection unit assembled in the shell. The second connection unit is connected with the first connection unit. The second connection unit includes a second connector connected to the image module unit, and at least one second magnetic element fastened in the shell. A plurality of the contact portions of the second connector are exposed out of the shell to contact with the first connector. Magnetic poles of attracting surfaces between the at least one second magnetic element and the at least one first magnetic element are different.

Abstract: An electrical connector includes an insulating housing, a center ground plate fastened in the insulating housing, a strengthening ground strap, and a terminal assembly fastened in the insulating housing. The strengthening ground strap is fastened to the insulating housing. The strengthening ground strap has a front slice and two lateral slices. The front slice is fastened to a front surface of the center ground plate. The top edge of the front slice is higher than a top surface of the center ground plate. A bottom edge of the front slice projects beyond a bottom surface of the center ground plate. The two lateral slices are disposed to two opposite sides of the center ground plate. The terminal assembly includes a plurality of high speed terminals disposed among the front slice and the two lateral slices.