Abstract: The present disclosure is related to a modular insert and associated jack assembly used in telecommunication connector systems that reduces the adjacent lines electro magnetic interference from an adjacent transmitter for different plug assemblies. The internal contacts/lead frames feature a bi-sectional design. Internal EMI line reduction is allowed only when the bi-sectional contacts are electrically mated by a plug with corresponding contact layout. By isolating the contact sections in the interface system, the coupled signal for EMI balance is optionally utilized in a low cost and manufacturable design.

Abstract: In an electric power connector comprised of a plug module and a socket module, a male metal terminals of the plug module and a female metal terminals of the socket module are respectively made out of a respective solid metal plate member through a continuous stamping process, and each male metal terminal has a base and two contact prongs bilaterally extended from one side of the base at different elevations, therefore the electric power connector eliminates electron ionization or thermal stress in the metal terminals, ensuring high stability and reliability of metal terminals in power transmission.

Abstract: The present disclosure relates to a jack assembly including a jack mount having a front side and a rear side. A jack of the assembly is adapted to be slidably mounted in a jack receiving region of the jack mount. The jack assembly also includes a plurality of cross-connect contacts, and a rear interface assembly. The rear interface assembly includes a dielectric cover piece and a plurality of rear connectors that project outward from the dielectric cover piece.

Abstract: An audio jack connector includes a housing and a terminal group. The housing has an insertion hole extending inward from the front of the housing. The bottom of the base defines at least one signal terminal recess and an auxiliary terminal recess, a first aperture is defined in the bottom of the auxiliary terminal recess and communicates with the signal terminal recess. The terminal group has at least one signal terminal and an auxiliary terminal received in the signal terminal recess and the auxiliary terminal recess respectively. The signal terminal has a contact portion projecting into the insertion hole and an elastic portion extending from the end of the contact portion. The auxiliary terminal has a transverse fixed portion and a first connecting portion extending upward and then longitudinally from one end of the fixed portion. One part of the first connecting portion is jammed in the first aperture, and the other part of the first connecting portion projects into the signal terminal recess.

Abstract: A jack having enhanced reliability and strength against torsional forces is provided. The jack including a plug inlet for receiving a plug having at least one electrode formed thereon for electrical signals, comprises an elongated spring having a free end part with a pressing portion capable of pressing a side surface of the inserted plug, and a proximal end part fixed to the jack. The jack further comprises a retaining portion capable of contacting a first contact portion and a second contact portion arranged at opposite sides thereof along a direction of inserting the plug when the plug is inserted into the jack.

Abstract: A cigarette-lighter assembly connector includes an indicator, particularly a light source, that can be activated when the connector is sufficiently inserted into a cigarette-lighter socket to indicate to the user that a portable electronic device can be safely operated via the power supplied from the cigarette-lighter assembly connector.

Abstract: The present invention provides an audio signal switcher including a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The audio jack includes a left track segment, a micro segment, a right track segment, and a ground segment, which are correspondingly coupled to a first data pin, a second data pin, a power pin and a ground pin of the first USB port. The plug switcher includes an audio plug and a second USB port. The audio plug includes a left track segment, a micro segment, a right track segment, and a ground segment, which are correspondingly coupled to a first data pin, a second data pin, a power pin and a ground pin of said second USB port. The jack switcher can be connected to the plug switcher by a USB cable.

Abstract: An audio jack includes an insulating housing having a mating wall, a rear wall, a top wall and two sidewalls. An inserting cavity is defined to pass through the mating wall and extend toward the inner of the insulating housing. The rear wall defines a through-hole communicating with the inserting cavity and the outside. The sidewalls define contact cavities, and a mating contact cavity is defined on the rear wall and communicates with the through-hole. A center pin has a connecting portion received in the inserting cavity. An end of the connecting portion extends to form an engaging portion accommodated in the through-hole. The engaging portion defines a clipping groove surrounding a positioning portion. And contacts include signal contacts inserted in the contact cavities and a mating contact having a secure portion received in the mating contact cavity. The secure portion defines a locating gap engaging with the positioning portion.

Abstract: An audio jack is embedded in an open mounting slot of a printed circuit board (PCB). The open mounting slot has two opposite inside surfaces. The audio jack has an insulative housing and two sets of terminals. The total thickness of the PCB with the audio jack embedded therein is less than a sum of the thicknesses of the PCB and the audio jack so that the PCB with the audio jack may be applied conveniently to compact electronic devices.

Abstract: Various connectors are provided that allow establishment of one or more connections in minimal space. Numerous pins of typical radial pin related art connectors are replaced with longitudinally extending connector portions that are able to matingly engage a receiving connector portion. The connectors ease the initial manufacture of parts in which they are used, and allows the part to be more easily maintained, lighten the wiring system or harnessing system for the final product in which the part is incorporated over conventional connectors, and typically permit the harness and wiring system for the product to fit within an allotted envelope for size, weight, and other limitations.

Abstract: The instant invention provides a robust USB connection configured to occupy the space heretofore utilized by a motor vehicle cigarette lighter. The USB connection is designed to adapt the pin for pin connection between a standard USB pin configuration and a common electrical harness connection used on off road heavy equipment. The USB female portion of the adaptor is designed to be readily replaced with minimal disassembly and cost in anticipation of high wear rates on the USB pins in the severe heavy equipment environment.

Abstract: An electrical connector includes an insulative housing (1) defining a receiving cavity (121) therein, at least one terminal (2) arranged in the housing, a sleeve (4) retained in an inside of the receiving cavity and a grounding contact (5) defining a clip portion (52) to lock the sleeve in the housing.

Abstract: A vehicle charger includes an insulating housing defining a connecting hole in a rear end thereof and receiving holes thereon. The connecting hole and the receiving holes communicate with the outside. A printed circuit board is fixedly received in the insulating housing. A positive assembly mounted in the insulating housing and electrically connecting with the printed circuit board has a pin passing through the connecting hole and stretching out of the insulating housing. A negative assembly assembled in the insulating housing and electrically connecting with the printed circuit board includes pressing buttons fabricated in the receiving holes respectively. The pressing button protrudes out of the receiving hole partially. A USB interface assembly and an earphone interface assembly are configured in the insulating housing and electrically connect with the printed circuit board respectively. The earphone interface assembly has an inclined end for mating with a chargeable plug of an earphone.

Abstract: A plug connector for a mobile communication device is provided. The plug connector includes a plurality of contact pins, an insulator, and an outer shell. The contact pins are provided correspondingly to contact terminals of a socket connector for the mobile communication device, and are arranged with predetermined gaps therebetween. The insulator supports the contact pins. The outer shell encloses the insulator, and includes a substrate supporter extended outwardly from the insulator to support an outer surface of a PCB (printed circuit board). The substrate supporter comprises a side supporter enclosing lateral sides of the PCB, and a ground portion bonded to put to earth to a ground circuit of a PCB. The plug connector is capable of firmly bonding with a PCB, preventing from noise occurring.

Abstract: A modular jack assembly (1) for being mounted on a mother board (4) and engaging with a mating plug. The modular jack has a number of terminal modules (3), an insulative housing (2), an outer shield (6) surrounding the insulative housing (2) and a power over ethernet assembly (33). The terminal module is provided with a base element (310) having a front portion (3101), a rear portion (3102), a top portion (3103), a side portion (3107) and a number of connecting terminals (35) mounted thereon. The terminal module further includes a pair of daughter boards (311) attached to the side portions of the base element, a contacting module (30) assembled to the front portion and a connecting element (32) mounted to the rear portion.

Abstract: The subject disclosure is directed to female connectors which can be employed in a quick connect/disconnect system used in medical devices to provide a non-permanent electrical and mechanical engagement with a male connector. The female connectors include, inter alia, a connector body that has an outer periphery and an aperture extending therethrough. The connector body has a flexible, non-conductive portion and a conductive portion which is at least partially exposed in the aperture and on the outer periphery of the connector body. The connector body is constructed such that when a male connector is inserted into the aperture of the connector body, the flexible, non-conductive part and the conductive part of the connecter body cooperate to allow for expansion of the aperture, creating contact pressure between the conductive part of the connector body and the male connector.

Abstract: A modular jack assembly for being mounted on a mother board (4) and engaging with a mating plug. The modular jack includes a terminal module (3) having a base element (310) and a power over ethernet assembly (33) mounted to the base element. The base element defines a number of terminal slots (3132) and has a number of connecting terminals (35) mounted thereto. Each connecting terminal has a first end (351) exposed at a side of the base element and a second end (352) connected with the power over ethernet assembly.

Abstract: The present invention provides a power plug for insertion into a cigarette lighter socket for powering an electronic device. The invention includes a housing and electrical contacts and a two-conductor cable coupled to the housing for supplying power to the electronic device. An electronic circuit inside the housing controls power to the electronic device, and a switch coupled to the housing controls one or more programmable functions of the electronic device. The particular function controlled by the switch depends on the length of time the switch is depressed (e.g., greater or less then 0.5 second).

Abstract: A standard-width powered switching station, i.e. a patchbay, employing single-plug Bantam Audio patchcords inserted into front panel jacks, designed to provide bidirectional data communication connectivity, i.e. remote controlling, between up to 32 pairs of RS422-compliant controllers and remotes, connected to rear panel DE9 ports. The patchbay being further designed to auto-configure the DE9 ports, such that their receivers and drivers are appropriately configured to communicate with controllers or remotes connected to said ports. Said auto-configuration process being protected from contamination from stray voltages by switch chips. Said auto-configuration process alternatively being protected from contamination from stray voltages by separating the data channels from the auto-configuration circuitry, thus removing the need for switch chips. Said auto-configuration circuitry being further protected from contamination from parasitic receiver voltages by biasing circuitry.

Abstract: The present invention provides an audio signal switcher including a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The first USB port includes a first data pin, a second data pin, a power pin, and a ground pin. The audio jack includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the first USB port. The plug switcher includes an audio plug and a second USB port. The second USB port also includes a data pin, a second data pin, a power pin, and a ground pin. The audio plug also includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the second USB port according to a connection between the audio jack and the first USB port. The plug switcher can be connected to the jack switcher by a USB cable.

Abstract: A telecommunications module (10) has a housing (12) and at least one contact comprising at least one first contact element (14) located adjacent a receiving space (24) for receiving at least one outside contact (30), the contact element (14) having, in a portion bordering the receiving space (24), both a flexible zone (26) and a zone (28), which is less flexible than the flexible zone (26) and/or supported so as to exhibit a restrained deformability by force acting thereon from the side of the receiving space (24). Furthermore, an assembly of a telecommunications module and at least one outside module and a method of using a telecommunications module are disclosed.

Abstract: An exemplary cable connector plug includes a first contact, a second contact and a first insulator portion. The first contact and the second contact are insulated from each other by the first insulator portion. The second contact includes an annular contact portion, the annular contact portion surrounding the first insulator. The annular contact portion includes an anti-rotation member defined at an inner side thereof, and the insulator portion is engaged with the anti-rotation member such that the annular contact portion cannot rotate relative to the first insulator portion. The anti-rotation member of the present cable connector plug prevent or avoid the occurrence of displacement as between adjacent contacts of the cable connector plug.

Abstract: An exemplary cable connector plug (20) includes a contact (21) and an insulator (25). The first contact includes a contact portion (210) and an extension portion (211) extending from the contact portion along an axis of the cable connector plug. The first contact further includes a hooking portion (2115) provided at the extension portion. The insulator surrounds the hooking portion, and is lockingly engaged with the hooking portion such that when the extension portion is moved along an axis of the cable connector plug, the first insulator correspondingly moves in unison with the extension portion. The cable connector plug has good mechanical strength and stability.

Abstract: An electrical connector includes a connector body (10) having a front end (11) and a rear end (12), a plurality of passageways (13) extending from the front end towards the rear end, and terminals (20) within the passageways. The terminal includes an extension section (26) extending a distance away from the rear end of the connector body. A supporting member (15) is disposed adjacent the rear end for supporting at least a portion of the extension section. Thus, the arrangement of the supporting member will prevent the free extension sections of the prior art from being deflected or damaged.

Abstract: An audio jack connector includes an insulative housing and a terminal group received in the insulative housing. The housing has a body, a mating portion extending from one end of the body along an axis direction of the body and an insertion hole defined in the mating portion and passing through the body and mating portion along the axis direction of the body. At least slots connected to the insertion hole are defined in the body. The terminal group includes a first set of terminals with simple supported beam structure and a second set of terminals with cantilever beam structure. The first set of terminals with simple supported beam structure have an U-shaped fixed portion with two side arms defined at the opposite sides of the fixed portion. A resilient arm connects the side arms together. The resilient arm has a contact portion at the middle, the contact portion projects inward into the insertion hole, so the outer surface of the first resilient arm is formed as a concave.

Abstract: A power connector includes an insulative housing defining at least one passage, at least a first contact to form anode of the power connector and a second contact to form cathode of the power connector received in the insulative housing and each contact having a contacting portion, and a biasing member received in the one passage of the insulative housing; wherein the biasing member includes a flat positioning portion, and a bent elastic arm respectively elastically bracing against the upper wall and the lower wall of said passage, and a tongue portion having a contacting portion and a grounding element to electrically connect outer electric element, and the contacting portion of the tongue portion is closer to the front surface of the power connector than the contacting portion of at least one of the first and second contacts.

Abstract: An electrical connector for use, for example, at the end of an audio visual (A/V) system cable. The connector includes a body from which extends a sleeve for engaging a corresponding feature of another electrical connector. The sleeve of the electrical connector of the present invention forms a slot having a first portion and a second portion that intersect with each other, the first slot portion having an orientation that varies from the orientation of the second slot portion. In one embodiment, the connector includes a cylindrical sleeve, and the slot first portion extends from the distal end of the sleeve parallel to the connector's central axis and intersects the slot second portion at a right angle, meaning that in combination the first slot-portion and the second slot portion define a clip that extends along the periphery of the sleeve.

Abstract: A housing for a coaxial jack including an opening for receiving the jack, the opening including a guide for preventing rotation of the jack within the opening. The housing also includes a stop to limit sliding of the jack within the opening and a flange extending from an outer surface. An outer face opposite the flange includes a ridge and a groove. A housing for coaxial jacks includes a pair of openings for receiving jacks. Each opening includes a guide to prevent rotation and a stop to limit sliding of the jack within the opening.

Abstract: A miniature audio jack connector (100) for electrically connecting a mating plug (200) includes an arched insulative housing (1), a number of conductive contacts (2) retained in the housing (1) and a pair of switch contacts (3) containing a movable contact (31) and an immovable contact (32). The housing defines a top wall (13), a plug-insertion hole (16) and an opening (134) through the top wall. The movable contact defines an elastic arm (312) with an emboss (313) extending into the plug-insertion hole and a mating portion for connecting with the immovable contact. The arm (312) is movable within the opening (134), thereby minimizing the profile of the insulative housing (1).

Abstract: An audio jack connector (100) with reliable grounding device includes a dielectric housing (1) defining an inner receiving space (12) and a grounding member (2) mounted on the housing (1). The grounding member (2) includes a base portion (21) secured on the housing, a mating portion (242) extending into the inner receiving space (12), a terminal portion (25) for inserting into a print circuit board (6) and a spring portion (26) extending beyond the housing for connecting to a metallic panel (5) of an electrical device. This grounding structure combines inner and outer grounding together by an integrated grounding piece, which enhance the grounding effect.

Abstract: Disclosed are apparatus and methods for adapting a first receptacle coupled to a vehicle to power a second receptacle coupled to the vehicle without the need for modifying the vehicle's electrical system wiring. A method is provided in which a vehicle plug connected to the vehicle's electrical system is removed from a power inlet of the first receptacle, a first interface of the adaptor is plugged into the same power inlet, the vehicle plug is plugged into a second interface of the adaptor, and a third interface of the adaptor is coupled to the second receptacle. In some embodiments, the adaptor is provided with modules that replicate the interfaces of existing, standardized vehicle receptacles to increase compatibility with pre-installed vehicle receptacles. The adaptor may optionally be provided with an adaptor plug that wires to a second receptacle via terminal blocks or the like and plugs into the adaptor's third interface.

Abstract: An electrical connector (100) includes an insulative housing (1) for receiving a number of contacts (2). The insulative housing has a base (11) extending in a longitudinal direction and a mating portion (12) protruding forwardly from the base. The base (11) defines a slot (141) from an intermediate position thereof and extending forwardly through the mating portion (12). The mating portion (12) defines a receiving hole (10) extending into the base (11). The receiving hole (10) is in communication with the slot (141). The slot (141) can counteract a deformation of the insulative housing to ensure the soldering tails (213, 223, 233, 243, 253, 262) of the contacts coplanar with one another, thereby ensuring the contacts to be wonderfully surface mounted on a PCB.

Abstract: An ear-jack of a portable terminal according to an embodiment includes a body having a passage into which a plug can be inserted; a first speaker terminal disposed at the passage of the body, for electrical connection with the plug; a second speaker terminal disposed at a rear of the first speaker terminal, for electrical connection with the plug; and a microphone terminal disposed at the passage of the body such that the microphone terminal is prevented from being shorted to the second speaker terminal when the plug is inserted into the passage of the body.

Abstract: A contact that takes a structure to laminate a protective conductive film over a metal film has a high hardness of the protective conductive film; therefore, a damage of contact surface made by contacting with an electrode of an inspection apparatus can be prevented in an inspection before boding FPC. However, the protective conductive film has higher resistivity compared to the metal film; therefore, contact resistivity with FPC gets higher, and power consumption gets bigger in the condition of using the display device.

Abstract: A mount adaptor including an adaptor portion having an input power receiver plug, a stem having a distal end attached to the adaptor portion and a proximal end, a mount attached to the proximal end of the stem for mounting an electronic device, and a flexible conductive wire electrically connected to the adaptor portion that delivers electrical power from the adaptor portion to the electronic device.

Abstract: The present invention discloses a multi-accessory adaptor for a vehicle, comprising a power plug portion, which is a cylindrical inserting rod disposed with a positive inserting pole protruding from its front end cover and two negative spring plates on its opposing sides and penetrating therethrough, and a connection cord is connected to the positive and negative poles, respectively, and protrudes out from the rear of the inserting rod; and a socket portion, which is a hollow housing with its front and rear inserting slots for the insertion and retainment of the positive and negative plates, respectively, the positive and negative plates coupled with their corresponding connection cords, and the negative plate on the rear shaped to form at least two plate holes for the insertion of their corresponding cylindrical sockets which are then secured at the rear opening of the housing.

Abstract: An audio jack connector includes a dielectric housing, a plurality of terminals received in the dielectric housing and a nut received in the dielectric housing too. The dielectric housing has a first body. A nut fixing means protrudes from the bottom of the first body. The nut fixing means has a main body. A nut receiving cavity is defined on one end surface of the main body. A pair of recesses are defined in the inner surface of the nut receiving cavity. A hole is formed on the other end surface of the main body. The hole communicates with the nut receiving cavity and a reacting wall is defined on where the hole communicates with the nut receiving cavity. The nut includes a second body. A pair of limbs are defined on the outer surface of the second body and engage with the recesses.

Abstract: An electrical connector (100) comprises an insulative housing (1) defining a receiving cavity (121) therein and a slot (13) thereon, at least one terminal arranged in the housing, a sleeve (4) retained in an inside of the receiving cavity and a clip (5) inserted into the slot (13) to lock the sleeve (4).

Abstract: A miniature audio jack connector (100) for electrically connecting a mating plug (5) includes an insulative housing (1), a number of contacts (2) retained in the housing. The housing defines a plug-insertion hole (12) in a longitudinal direction thereof. The contacts include a second contact (22) and a third contact (23). The second contact includes a second retaining portion (220) and a second elastic arm (221) extending into the plug-insertion hole. The third contact includes a third retaining portion (230) and a third elastic arm (231) extending opposite to the second elastic arm. The second and third retaining portions (220, 230) overlap each other along the longitudinal direction of the housing (1), thereby lengthening the elastic arms (221, 231) of the contacts (22, 23) to be reliable connecting with the mating plug.

Abstract: A CLA device comprises a CLA plug that is insertable into an external CLA socket, for example, a DC CLA socket inside a vehicle. The CLA device has a housing coupled to the CLA plug, for example, by integration or via a tethered wire, with the housing having a support surface. A port interface connector in the CLA device engages with a complementary port interface connector of an external device at a cantilevered support point when the external device is attached to the CLA device.

Abstract: An electronic connector includes a housing and a plurality of electricity-conducting elements. The housing has a channel therein. The electricity-conducting elements are separated from each other. Each electricity-conducting element includes a first conducting part and a second conducting part. The first conducting part is partially received within the housing and partially exposed to the channel. The second conducting part is extended from the housing. One of the electricity-conducting elements is selected to transmit an output voltage through the first conducting part and the second conducting part of the selected electricity-conducting element.

Abstract: An audio jack connector includes a dielectric housing, a plurality of terminals received in the dielectric housing and a nut received in the dielectric housing too. The dielectric housing has a first body. A nut fixing means protrudes from the bottom of the first body. The nut fixing means has a main body. A nut receiving cavity is defined on one end surface of the main body. A pair of recesses are defined in the inner surface of the nut receiving cavity. A hole is formed on the other end surface of the main body. The hole communicates with the nut receiving cavity and a reacting wall is defined on where the hole communicates with the nut receiving cavity. The nut includes a second body. A pair of limbs are defined on the outer surface of the second body and engage with the recesses.

Abstract: A stacked electrical connector has an insulative housing (1), a plurality of signal contacts (23, 26) and a pair of contacts (24, 27, 25, 28) retained in the housing. The housing defines a mounting surface (19) for mounting on a printed circuit board and a receiving space (12) for receiving a mating plug (9). The switch contact includes a base portion retained in the housing and a spring arm extending from the base portion. An insulative separator (245) is formed on one spring arm and projects into the receiving space. The separator is moveable in a plane vertical to the mounting surface. When the mating plug inserts into the receiving space, the separator rotates and drives one switch contact to connect with the other switch contact.

Abstract: A miniature audio jack connector (100) for electrically connecting a mating plug (200) includes an arched insulative housing (1), a number of conductive contacts (2) retained in the housing (1) and a pair of switch contacts (3) containing a movable contact (31) and an immovable contact (32). The housing defines a top wall (13), a plug-insertion hole (16) and an opening (134) through the top wall. The movable contact defines an elastic arm (312) with an emboss (313) extending into the plug-insertion hole and a mating portion for connecting with the immovable contact. The arm (312) is movable within the opening (134), thereby minimizing the profile of the insulative housing (1).

Abstract: A universal receptacle facilitates improved connectivity between electronic devices through plug-type connectors within a range of form factors. In one aspect, the receptacle includes an elongate, open ended chamber, a series of conductive terminals disposed in the chamber, urging structure for urging the conductive terminals inwardly towards a longitudinal axis of the chamber, and a series of conductive lines electrically coupled with the conductive terminals. The conductive terminals may be located within the chamber such that the urging structure places the terminals in physical contact with the plug-type connector when the connector possesses a diameter that is less than the diameter of the chamber. In this way, the particular degree of displacement of the terminals varies depending on the form factor or diameter of a particular region of the connector, while electronic signal pathways are maintained between the conductive terminals of the receptacle and conductive contacts of the connector.

Abstract: An electrical jack (100) for mating with an audio plug includes an insulative housing (1) defining a longitudinal central hole (101), a plurality of channels, and a pair of gaps communicating with the central hole. A plurality of conductive contacts are received in the channels and each has a contact section, a retention section secured in the channels, and a solder section extending out of the insulative housing. A grounding contact (3) with a top plate (35) and a pair of side plates (31, 33) encloses the insulative housing. Each side plate has a spring arm (311, 331) extending through the gap into the central hole thereby increasing the mating force with the mating plug.

Abstract: A common axis, multi-pole connector assembly provides improved connectivity with electronic devices having mating receptacles of differing form factors. In one aspect, the connector includes assembly includes a single pin, hollow plug body, one or more conductive lines extending within the plug body, and a sleeve configured for sliding reception over the plug body. The plug body is formed with one or more discrete conductive contacts with which the one or more conductive lines are electrically coupled. The sleeve, which may be either formed as an insulative body or formed with one or more discrete conductive contacts, has an axial length that is less than the axial length of the plug body so that when the sleeve is installed on the plug body, a portion of the plug body extends out from beneath the sleeve.

Abstract: A unitary connector system includes a single pin, multi-pole electrical connector having a plug body, as well as a mating receptacle. The plug body is formed of a series of discrete conductive contacts interposed with a series of insulative rings such that the insulative rings electrically isolate adjacent conductive contacts from one another, each contact thereby forming a terminal. A series of conductive lines extend within the plug body and are electrically coupled with the series of conductive contacts each representing a transmission channel. The universal nature of the plug body design allows for a specific number of poles to be chosen to handle the particular signal transmission requirements.

Abstract: An audio jack includes a rectangular housing including a body including a rear first compartment and a hole extended from a front face to the first compartment, and an insulate plate secured to a top of the body; a plurality of contacts provided in the housing and including first, second, third, fourth, and fifth contacts each including a flexible portion and an upright solder portion; a light emitting element provided in the first compartment and aligned with the hole and including legs inserted through the first compartment; and a shell secured onto the housing. Inserting a first plug into the hole until the contact assembly is electrically connected with the plug will effect an analog signal transmission. Inserting a second plug into the hole until its head is electrically connected with the light emitting element will effect a digital signal transmission. The plate together with the shell can provide a double shield.

Abstract: According to one embodiment, a plug equipped cord (or, a plug) includes a compression spring between a fixed base, which is connected to a lead wire, and a contact terminal of a fuse. In addition, a RITZ wire is connected between a portion, in which the fixed base and the lead wire are soldered together, and the contact terminal.