Abstract: Systems, devices, and methods including a cordset having a housing, the cordset comprising: a first rotatable blade, where the first rotatable blade is rotatable between a first vertical first blade position and a second horizontal first blade position; a second rotatable blade, where the second rotatable blade is rotatable between a first vertical second blade position and a second horizontal second blade position; and a fixed ground prong.

Abstract: A travel plug adapter including a housing with inner walls, outer walls, and a bottom surface, a plug receptacle, and a first plug having a first contact pin. The first plug, by being displaced along a first distance, may be moved out of a standby position in the housing, into a usage position outside of the housing. A contact surface is provided in the housing and the plug is connected to an actuation element that, when the plug is moved into the usage position, comes into contact with the contact surface and that is connected to a transmission unit whereby the contact pin is moved across a second distance greater than the first distance.

Abstract: An electrical connector includes: a plastic seat; a tongue connected to and disposed on a front end of the plastic seat; and two rows of terminals. Each of the terminals is provided with an electrical connection point. The electrical connection points of the two rows of terminals are respectively arranged on top and bottom surfaces of the tongue. A front section of the tongue is a thinner flat plate body, top and bottom surfaces of the thinner flat plate body are two low surfaces, a rear section of the tongue is a thicker flat plate body, top and bottom surfaces of the thicker flat plate body are two high surfaces, and a side view of the tongue has a convex shape. A combination of the bidirectional duplex electrical connector and a docking electrical connector is also provided.

Abstract: The invention refers to a kink protection for prefabricated cables having first and second sleeves which fit around part of the cable or a plug connector adapted to be assembled in different relative positions. Each of the two sleeves is designed in general as a rectilinear tube section with a longitudinal axis. One end of the first sleeve has two integrally formed projections in the form of two regular octagons having the same spanner width, which are arranged on both sides of the longitudinal axis and the rotational axes of symmetry of which coincide and perpendicularly intersect the longitudinal axis. One end of the second sleeve has four elongated extensions which are distributed in a rotationally symmetrical manner about the longitudinal axis, each extending parallel to the longitudinal axis. Two mutually adjacent extensions form a spanner jaw having a jaw width corresponding to the spanner width of the octagon.

Abstract: A bidirectional duplex electrical connector includes: a circuit board, which is provided with two sets of circuits; a base seat; a connection portion connected to a front end of the base seat, and provided with top and bottom surfaces respectively provided with two connection interfaces including two rows of electrical connection points electrically connected to the two sets of circuits, one pair of electrical connection points with a same circuit are electrically connected together through the circuit board, and a shape of the connection portion allows one docking electrical connector to be dual-positionally and bidirectionally docked; and a fitting slot provided on the base seat. The circuit board is fit with and locks the fitting slot. A combination of the bidirectional duplex electrical connector and a docking electrical connector is also provided.

Abstract: The present invention provides a multinational adapter structure comprising a front cover, a main body, and aback cover. The front cover has a first through-hole and a second through-hole. The main body is provided with a press assembly, a first electrical connection assembly, and a second electrical connection assembly. At least one elastic member is provided between the press assembly and the main body. The first electrical connection assembly and the second electrical connection assembly respectively having a first conductive member and a second conductive member are disposed on the press assembly. The back cover is assembled on one side of the front cover, and the main body is enclosed by the back cover and the front cover. Through pushing the press assembly, the first electrical connection assembly or the second electrical connection assembly can be moved in a distance to accommodate with different national standards of various countries.

Abstract: A portable tower with electrical capability includes a housing with base, central, and upper housing portions, and with electrical power and/or data outlets including at least one outlet at either or both of the upper and lower housing portions. The central housing portion projects upwardly from the base housing portion and supports the upper housing portion at an elevated position spaced above the base housing portion. The electrical power and/or data outlets are in electrical communication with a power or data source, such as a remote source or an onboard source as in a rechargeable battery or capacitor. Where an onboard source is provided, the portable tower is positionable in substantially any desired location and is capable of providing electrical power to other devices when there is sufficient energy stored in the onboard source.

Abstract: A process for manufacturing a rotary connector device for making a plurality of electrical connections includes construction of a male connector component and a female conductor component. The male connector component is constructed by providing a male underlying body having a plurality of longitudinal channels formed therein for holding male conducting wires. Alternating separate male conducting rings and separate male insulating rings are placed on the underlying body with each separate conducting wire occupying a separate channel. The female conductor component is constructed by providing a female body with a central bore having at least one groove formed therein for holding female conducting wires. Separate alternating female conducting rings and separate female insulating rings are installed on a rod and transferred to the central bore of the female body with the female conducting wires occupying the groove.

Abstract: An electrical connector includes: an insulated seat provided with a base seat and a connection plate; a metal housing covering the insulated seat; one row of first terminals; and one row of second terminals. Fixing heights of fixing portions of the one row of second terminals in one row of second terminal slots are higher than fixing heights of fixing portions of the one row of first terminals in one row of first terminal slots. Extensions of the one row of second terminals are curved downwards and extend to be lower than the fixing portions. A rear end of the base seat does not have a horizontal penetrating slot providing spaces for the extensions of the second terminals and communicating with the elastic movement slot.

Abstract: An electronic device with a plug includes a casing, a connection member and a circuit board. The connection member is combined with the casing. The connection member includes a first surface, a second surface, at least two perforations and at least two insertion parts. The first surface and the second surface are opposed to each other. The at least two perforations run through the first surface and the second surface. The at least two insertion parts are fixed on the first surface, protruded externally from the first surface and aligned with the corresponding perforations. The circuit board is accommodated within an accommodation space of the casing, and includes at least two conducting terminals. The conducting terminals are penetrated through the corresponding perforations from the second surface of the connection member, received within the corresponding insertion parts and partially protruded out of the corresponding insertion parts.

Abstract: An insertion plug includes: a rotor fixed around a blade, and housed in an insulating plug case; a guide unit in the insulating plug case to guide the rotor around an axis extending in a longitudinal direction of the blade and within a rotation angle of at least 90 degrees between a first rotation position at which the blade becomes substantially parallel with another blade and a second rotation position at which the blade becomes substantially orthogonal to the other blade; and a positioning unit that positions the rotor at the first rotation position or the second rotation position, the blades caused to project from a position corresponding to an AC power source outlet if the rotor is positioned at the first rotation position, and the blades caused to project from a position corresponding to a DC power source outlet if the rotor is positioned at the second rotation position.

Abstract: A positioning structure is applied to a male end connector and a female end connector. The female end connector has an inserting slot and two guiding slots. The positioning structure has a case, two guiding pins, two elastic parts, and a positioning member. The two guiding pins are connected to the case. The male end connector is located between the two guiding pins. The elastic parts are connected to the case and to the male end connector. The positioning member has a first positioning hole and two second positioning holes. The first positioning hole is used for the male end connector passing through to enter the inserting slot. The second positioning holes are used for the guiding pin passing through to enter the guiding slot.

Abstract: The invention is a cable connector with a switchover structure, comprising a plug connector having a plug rubber core, a housing, a pin terminal, a protruding rib and a wire; a plug holder harnessed on an outer edge of the plug rubber core movably; and a switching unit combined with the plug holder movably, furthermore, the said switching unit mentioned above is harnessed on the outer edge of the plug rubber core and is positioned between the housing and the plug holder. Therefore, by rotational switching of the switching unit may be utilized for the plug holder to be joined to different kinds of socket connectors, such that the effects and advantages of tight locking, detachment prevention, easy of assembly, easy of retreating, convenient replacement and maintenance, ease of operation and applicability to at least two different kinds of socket connectors are achieved as the cable connector and a socket connector are butted together.

Abstract: A connector includes a plurality of contacts, which are held by a holder member and are arranged in a pitch direction perpendicular to a front-rear direction. Each contact has a terminal portion to be connected and fixed to an object and a connection portion which is, at least in part, held by a plate-like portion of the holder member and is positioned forwards of the terminal portion in the front-rear direction. The connection portion has a first contact portion, a second contact portion and a rear connection portion. The first contact portion is, at least in part, exposed on the first surface. The second contact portion is, at least in part, exposed on the second surface. The rear connection portion connects a rear of the first contact portion with a rear of the second contact portion and is connected to the terminal portion.

Abstract: A plasma cutting or welding system includes a power input. The power input is configured to be coupled to a plurality of multipronged input plugs. Each of the multipronged input plugs corresponds to an input voltage. The power supply also includes a user input device for selecting an operating current. The user input device is subdivided into a plurality of current ranges. Each of the current ranges includes an iconic representation of at least one multipronged input plug.

Abstract: An adaptor for adapting a mains plug according to a first national standard to a mains socket according to a second, different second national standard. The adaptor comprises a housing with a socket for receiving the first mains plug, and at least two plug assemblies according to different national standards, one of the at least two plug assemblies being according to the second national standard. An externally-operable selection mechanism is provided for selectively deploying, or at least for making externally deployable, one of the at least two plug assemblies while simultaneously concealing, at least partially, the remaining plug assembly or assemblies so to make them effectively unusable. The end user can thus effortlessly select one of the outputs while hiding one that is not necessary. A network of internal conductors for providing electrical continuity between the first mains plug and the selected plug assembly is provided inside the adaptor.

Abstract: The instant disclosure relates to an adjustable power plug, which includes an insulating base, a pair of first pins, and a second pin. The insulating base has a main portion and a central portion movably engaged thereto. The main portion and the central portion are linearly movable with respect to each other. The first pins are disposed on the main portion, while the second pin is disposed on the central portion. When the main portion and the central portion are displaced with respect to each other, the second pin remains parallel to the first pins. The first and second pins may be arranged in an operating state or a non-operating state. The instant disclosure also discusses an electronic device having the adjustable power plug and a holder for accommodating the plug.

Abstract: A power plug includes an insulating housing in which a receiving barrel is crossed, top and bottom covers covering top and bottom ends of the receiving barrel, a sliding strip slidably located between the top and bottom covers with serrated sliding teeth protruding on two opposite sides thereof, two rotating axles located at two sides of the sliding strip with rotating teeth protruding on two relative insides thereof and meshed with the sliding teeth, two plug pins vertically integrated in the rotating axles and a rotating ring sheathing outside the receiving barrel with two pushing blocks protruding at an inside wall thereof. The pushing blocks project into the receiving barrel and are against two ends of the sliding strip to push the sliding strip to slide by rotating the rotating ring so as to drive the rotating axles together with the plug pins to rotate relatively.

Abstract: An adaptor for adapting a mains plug according to a first national standard to a mains socket according to a second, different second national standard. The adaptor comprises a housing with a socket for receiving the first mains plug, and at least two plug assemblies according to different national standards, one of the at least two plug assemblies being according to the second national standard. An externally-operable selection mechanism is provided for selectively deploying, or at least for making externally deployable, one of the at least two plug assemblies while simultaneously concealing, at least partially, the remaining plug assembly or assemblies so to make them effectively unusable. The end user can thus effortlessly select one of the outputs while hiding one that is not necessary. A network of internal conductors for providing electrical continuity between the first mains plug and the selected plug assembly is provided inside the adaptor.

Abstract: A charge clip having a main body and plug received through an aperture therein includes a cradle for holding a personal electronic instrument (PEI) thereon. The plug is inserted into a wall outlet and the main body is selectively rotationally moveable with respect to the plug so that the main body is maintained in a vertical orientation regardless of the orientation of the wall outlet. The plug includes at least one rib that is selectively engageable with at least one notch formed in the aperture, preventing rotational movement of the main body with respect to the plug. The plug further includes an AC/DC conversion circuit that converts standard AC power from the wall outlet to DC power for charging the PEI. The charge clip further includes at least one USB port in electrical communication with the AC/DC conversion circuit that receives a USB plug in electrical communication with the PEI.

Abstract: A power plug includes a main body, at least two prongs, and a cable. The main body has a universal serial bus port for receiving a universal serial bus plug. The prongs are disposed on the main body for receiving a power, and the prongs are configured to be insertable into an alternating current source. The cable is disposed on the main body and electrically connected to the prongs, and the cable is electrically connected to the power input end of the electrical appliance.

Abstract: A HomePlug with a changeable top case structure includes a casing and a socket assembly. The casing has a first coupling portion therein and has an opening. The socket assembly has a second coupling portion for coupling with the first coupling portion, such that the socket assembly corresponds in position to the opening and thereby is coupled to the casing from inside and exposed from the opening. The HomePlug with a changeable top case structure is effective in dispensing with redesign and the manufacturing of a casing in its entirety, cutting die and material costs, enhancing ease of product design, and increasing assembly universality.

Abstract: A structure for electronically connecting between two devices is provided. The structure includes a mount structure capable of mounting a first device, and a connector maintaining electronic connection with a second device and being movable on the mount structure depending on a connection position with the mounted first device.

Abstract: An apparatus configured to provide electrical power received from at least a first electrical outlet or a second electrical outlet is disclosed. The apparatus can include: (a) a housing; (b) at least two electrical outlets at the housing; (c) an electrical coupler at least partially enclosed by the housing and electrically coupled to the at least two third electrical outlets; (d) a first prong adapter configured to removably couple to the electrical coupler and the first electrical outlet; and (e) a second prong adapter configured to removably couple to the electrical coupler and the second electrical outlet. Other embodiments are described herein.

Abstract: The instant disclosure relates to a power supply unit that is compatible with different plug types and can be plugged to the power outlet at different directions. The power supply unit comprises a main body and a plug. The plug can be assembled to and connected electrically with the main body with ease. The power supply unit can be used more broadly in different regions and provide more options when plugging to the power outlet.

Abstract: A plug-in unit (112, FIG. 7A) with a housing (150) that receives an electrical contact arrangement (55, FIG. 6) that has a cable bushing (151, FIG. 7A). The housing has an aperture (153) in a housing wall for the plugged-in reception of the mating plug-in unit (11, FIG. 2). In order to allow for the optional design of an angled or a linear plug-in connection, the cuboid housing (150, FIG. 7A) is divided along a plane (180) that runs perpendicular to a longitudinal central plane (179) and at a 45° angle to the longitudinal extension of a bushing (151) in such a way that a first housing part (181) contains the cable bushing (151) and the second housing part (182) forms the plug-in aperture (153). The second housing part (182) is attached to the first housing part so the second housing part (182) can be turned with respect to the first housing part (181).

Abstract: A power adapter with a rotatable plug module has a body, a circuit module and a plug module. The body has multiple fasteners and multiple clasps. The fasteners are arranged in a ring shape. Each of the clasps is formed on one side of each fastener and extends from the fasteners in the same orientation. The circuit module has a circuit board mounted in the body. The plus module has multiple conducting blades and multiple holes. The holes are engaged with the fasteners of the substrate when the plug module is rotated to correspond to the fasteners. The conducting blades are electrically connected to the circuit board. Because the plug module is rotatable and can be removed from the body, the power adapter with suitable conducting pins is available to various sockets.

Abstract: There is disclosed a power adapter which comprises an adapter body and a modular connector. The adapter body has a cavity forming a first opening and a second opening respectively disposed on two adjacent lateral walls of the adapter body, a first connecting member disposed on one of the lateral walls and adjacent to the first opening, and a sliding plate member having a sliding plate embedded in a slide and protrusible in said second opening. The connector is interchangeably coupled to the cavity and blocked by the sliding plate to form an electrical connection with the adapter body, and comprises a second connecting member engaged with the first connecting member.

Abstract: A system for engaging devices having connectable electrical connectors includes a first device and a second device. The first device has a first electrical connector exposed at a first surface that is contoured to define one or more recesses, each of which has a lip. The second device has a second electrical connector exposed at a second surface that is contoured to define one or more gripping elements, each of which fits into one of the recesses to grip one of the lips when the first and second electrical connectors are connected together. The first device also has a movable element that can be positioned such that when the one or more gripping elements are in the one or more recesses and gripping the one or more lips, the movable element blocks the gripping elements from being moved out of the recesses or away from the lips.

Abstract: A connector for incorporation into a heater system for inlet struts includes a body having a tapered forward end and an opposite rear end. A plurality of forward electrical terminals are formed on the outer surface of the tapered end. A plurality of rearward electrical terminals are formed on the rear end of the body. The rearward electrical terminals are in electrical connection with the forward electrical terminals. The forward electrical terminals on the tapered end are in electrical contact with a plurality of electrical contacts connected to heating elements formed in a heating mat. The heating mat entirely envelops the connector. The heater mat is formed within a substantially rigid outer shell.

Abstract: A power adapter includes a base with a cord, an internal circuit electrically connected to the cord and first terminals connected to the internal circuit, and a locking member with a connection portion fixed to the base and an elastic portion connected to the connection portion. The elastic portion comprises a protruding latching portion. The power adapter also includes a plug with second terminals exposed at a first side thereof and a chamber defined in an opposite second side. Each of the second terminals includes an end portion received in the chamber, and the chamber includes an internal sidewall defining a recessed portion snappingly engaging with the latching portion, thereby detachably securing the plug to the base.

Abstract: A power adapter having a replaceable plug has a body having a recess formed in the body and an engagement mechanism inside the recess. A plug, slidably mounted inside the recess, has a bottom board having an engagement mechanism thereon and is slid so that the engagement mechanism of the plug engages or disengages the engagement mechanism inside the recess. A fixing cover is mounted inside the recess and is slidably moved to a first location and a second location. When located at the first location, the fixing cover is located inside the recess, the bottom board abuts the plug fixed inside the recess, and the plug is retrained restrained from moving. When located at the second location, the fixing cover is partially moved away from the recess and maintains a distance to the bottom board, and the plug can be removed from the recess.

Abstract: A multiport test jack that supports the testing of a number of individual telephone lines in an interface device, such as a network interface device or an optical line terminal, has a physical structure that is smaller in size than the size of a corresponding number of individual test jacks.

Abstract: A power adapter includes an insulation casing. A plug module has at least one plug pin which defines a plug end protruding out of the insulation casing and an inserting end opposite to the plug end received in the insulation casing. The insulation casing receives a printed circuit board, at least one connecting member and conductive member therein. The conductive member is fixed on the printed circuit board and defines a receiving space. The connecting member has a contact portion received in the receiving space of the conductive member for electrical connection therebetween and a retaining portion connecting with the inserting end of the plug module. The assembly structure of the power adapter is simplification.

Abstract: Implementations of the invention relate generally to an electrical feed, in particular a CEE feed, for the external supply of electrical power to the power supply system of a mobile load, in particular a mobile home or a recreational vehicle or a boat. This feed can include a) a flange for attaching the feed to and/or in a wall of the mobile load, and b) at least one feed connector for making electrical contact with a coupling, in particular a CEE coupling. Implementations of the invention can make provision for the feed connector to be arranged in the flange in a rotatable manner.

Abstract: A reciprocating plug detector is configured at the connector of a portable device and is pushed to generate a control signal when the portable device is plugged into a host system. A controller of the portable device then performs a command when receiving the control signal. When the portable device is unplugged from the host system, the reciprocating plug detector may also be used for generating the control signal and before the portable device totally leaves the host system, the controller performs other pre-defined command during these few milliseconds. The portable device is implemented with a variety of computer controllability and provided with power-failure protection for data.

Abstract: A power adapter having a replaceable and rotatable plug has a body having an annular chamber, two conducting elements inside the annular chamber, four channels recessed on a top thereof to communicate with the annular chamber, and an engagement slot abutting each of the four channels; and a hollow plug having two intermediate conducting elements, a cylinder protruding beyond a bottom of the plug and received in the annular chamber, four arced holes communicating with an inner portion of the plug, four engagement blocks protruding from a cylindrical periphery to respectively correspond to the four channels and four engagement slots, and at least two prongs mounted on a top thereof, one end of each of the two prongs penetrating through the plug to electrically connect with corresponding intermediate conducting elements. Given the aforementioned structure, the plug can be replaced and selectively oriented with respect to the body.

Abstract: A converter has a casing and a plug. The casing has a mounting recess, an engaging tab and multiple mounting protrusions. The mounting recess is formed in the casing. The engaging tab is formed on and protrudes from the mounting recess. The mounting protrusions are formed on the mounting recess. The plug is detachably mounted on the casing and has an escutcheon, an engaging protrusion, multiple terminals and a pinhole. The escutcheon covers the mounting recess. The engaging protrusion is formed on the escutcheon, is mounted in the mounting recess and has an engaging hole and multiple holding grooves. The engaging hole is formed in the engaging protrusion to engage the engaging tab. The holding grooves are formed on the engaging protrusion and engage the mounting protrusions. The terminals are formed on the escutcheon. The pinhole is formed through the escutcheon and communicates with the engaging hole.

Abstract: A conversion plug has a pair of guide projections that hold therebetween a pair of blades in a stand state at the time of attachment of the conversion plug to an attachment plug, and guide the pair of blades into a pair of recesses. A plug main body has, at positions respectively adjacent to the pair of blades in the stand state, a pair of storage recesses for housing the pair of guide projections. During assembly, the pair of blades are naturally guided to the pair of recesses by the guide projections without an operator's specific care. After the assembly, the pair of blades are engaged in the pair of recesses and the guide projections are engaged in the storage recesses so that the guide projections cover the pair of blades thereby preventing the pair of blades from being deformed.

Abstract: A converter has a casing and a plug. The casing has a mounting recess, multiple position posts, multiple conductive slices and multiple mounting protrusions. The mounting recess is formed in the casing. The position posts are formed on and protrude from the mounting recess. The conductive slices are mounted around the position posts. The mounting protrusions are formed on the mounting recess. The plug is detachably mounted on the casing and has an escutcheon, an engaging protrusion and multiple terminals. The escutcheon covers the mounting recess. The engaging protrusion is formed on the escutcheon, is mounted in the mounting recess and has a position groove and multiple holding grooves. The position is annular formed in the engaging protrusion and is mounted around the position posts. The holding grooves are formed on the engaging protrusion and engage the mounting protrusions. The terminals are formed on the escutcheon.

Abstract: An electronic device includes a main body, a plug and a fixing member. The main body includes a plug-receiving portion and a plurality of conductive portions. The plug-receiving portion is defined by a first sidewall, a second sidewall and a bottom surface. The first sidewall is opposed to the second sidewall. The bottom surface is connected to the first sidewall and the second sidewall. An inclined angle between the bottom surface and at least one of the first sidewall and the second sidewall is smaller than 90 degrees. The plug includes a plurality of conductive terminals, a first slant corresponding to the first sidewall, and a second slant corresponding to the second sidewall. The fixing member is used for facilitating fixing the plug in the plug-receiving portion of the main body such that the conductive terminals of the plug are electrically connected to the conductive portions of the main body.

Abstract: The present invention relates to wall plates for electrical wiring, and more specifically, to a plate including an opening for securing a connector or plurality of connectors therein. The plate includes a dual use opening at its center including cutouts that allow for a connector to be rotated at increments of 45 degrees up to 360 degree rotation at an angle in line to the angle of its receiving connector. Such angular mating requirements may originate from audio, video, and telecommunications applications where equipment is positioned at different elevations and distances away from an installed connector plate.

Abstract: The present invention publishes a universal conversion power cable, comprising a plug subassembly built by the clamping of a plug socket equipped with conductive components on the inside and a replaceable plug, wherein a power cord connected correspondingly to the conductive components, a plug-in slot which is closed on one end and open on the other end is configured on the surface of the plug socket. The replaceable plug is plugged into that plug-in slot, while the front side of the replaceable plug is just adjacent to the closed-end wall surface of the plug-in slot, the power cord is connected to the open-end of the plug-in slot on the plug socket. The present invention connects the power cord to the open-end of the plug-in slot on the plug socket.

Abstract: A power adapter includes a body and a plug. The body has a concave portion formed on a corner portion thereof, which includes a supporting wall, a blocking wall perpendicularly connected to the supporting wall and projecting a wedging portion, a base projecting from the supporting wall, a pair of ribs extending from the base, and a pair of grooves defined between the ribs and the supporting wall. The plug sliding in the concave portion has a hollow portion formed on a side surface thereof, into which the wedging portion engages, a receiving portion formed on a bottom surface thereof for receiving the base, a pair of guiding arms extending opposite inner side surface thereof and sliding in the grooves, and a pair of channels defined between the guiding arms and an inner bottom surface thereof, in which the ribs slide.

Abstract: The present invention provides an electronic device having a rotatable plug. The electronic device includes a casing having a hollow portion, a rotary base rotatably mounted within the casing, and a circuit board mounted within the casing. The rotary base includes a rotating disc and a plug. The plug includes conducting pins. The conducting pins are coupled with the rotating disc such that respective first ends of the conducting pins are exposed and protruded through the hollow portion of the casing and respective second ends of the conducting pins are protruded from bilateral sides of the rotating disc. The circuit board includes a first conductive element and a second conductive element corresponding to the first and second conducting pins. The first conducting pin and the second conducting pin are electrically connected to the circuit board when the rotary base is rotated to a specified position.

Abstract: The present invention provides a fan having a frame and a plug. The frame includes an accommodating portion and at least two fixed holes. Each of the fixed holes is disposed on the two sides of the accommodating portion. The plug has a terminal seat with at least two linking portions and a bipolar knife-shaped terminal between an top seat and a bottom seat of the terminal seat, and the plug so that the plug is assembled with the fixed holes of the frame via the linking portions of the plug and is accommodated within the accommodating portion of the frame.

Abstract: A reversible receptacle for coupling with a USB A-type standard connector, including a first set of four electrical contact regions and a second set of four electrical contact regions, the contact regions configured such that in a first coupling orientation of the reversible receptacle with the standard plug, only the first set of electrical contact regions is mechanically connected with the contacts of the standard plug and in a second coupling orientation of the reversible receptacle with the standard plug, only the second set of electrical contact regions is mechanically connected with the contacts of the standard plug. Also provided are corresponding reversible USB appliances based upon the aforementioned reversible receptacles.

Abstract: An electrical safety adaptor includes a receptacle including a plug housing and at least two resilient conductors, a replaceable head unit including a supporting platform slidably fitted on the plug housing in a detachably attaching manner and at least two plugging heads, and a safety arrangement slidably mounted on the replaceable head unit to enclose rear ends of the plugging heads in a hidden manner, wherein when the replaceable head unit is slid to engage with the receptacle, the safety arrangement is slidably pushed to expose the rear ends of the plugging heads for the resilient conductors conductively contacting thereto.

Abstract: The universal adapter of the present invention comprises an adapter body having at least one set of power sockets, a power plug and a conductive unit, wherein the power plug has a fixed unit and a rotating unit that is located both ends of the fixed unit inside the adapter body. Each side of the fixed unit comprises male connectors, in which one end of every male connector is assembled with the rotating unit, and another end of every male connector can be protruded through the adapter body. The conductive unit comprises sets of connecting sockets that are corresponding to the set of power sockets, and a set of conductive flat pieces protruded from one end of the sets of connecting sockets, is in contact with the rotating units. The universal adapter is used as a travel adapter that it allows the user to plug their electrical appliances to various power plug standards by changing different male connectors.

Abstract: Systems and methods for determining the configuration of a connection between two devices by measuring an electrical characteristic are provided. Using the measured electrical characteristic, a device is able to select an appropriate communication interface, such as serial, Universal Serial Bus (USB), FireWire, parallel, PS/2, etc., and configure itself appropriately. Systems and methods which determine the physical orientation of a connector with respect to another connector may also be provided alone or in combination with such systems and methods for selecting communication interfaces. The physical orientation of a connector can be determined by measuring an electrical characteristic and a device can then configure itself appropriately. In accordance with the principles of the present invention, device designs can decrease in size and cost as well as simplify operation for the end-user.