Abstract: An antenna tuning assembly is disclosed, including: a substrate; an input path on the substrate, for receiving control signals; a tuning network on the substrate, including an impedance circuit with a tunable impedance and at least one tuner connecting with the impedance circuit and the input path for generating an corresponding impedance in response to the control signals; an output path connecting with the tuning network on the substrate, for coupling to an external antenna according to the corresponding impedance.

Abstract: An antenna device is formed by winding a conductive wire around a magnetic member unit, and in which the magnetic member unit comprises a plurality of magnetic-member individual pieces.

Abstract: A multi-band antenna includes a circuit board having an insulation dielectric layer, a first ground plane and an impedance matching circuit formed on a first plane of the circuit board, and a second ground plane formed on a second plane of the circuit board. A slot antenna radiation main body, formed at a location of the second ground plane and corresponding to the exposed part of the insulation dielectric layer, includes first and second radiation main bodies. The first radiation main body includes a first impedance matching part and a first resonance part. The second radiation main body includes a second impedance matching part and a second resonance part. The first resonance part includes a plurality of first bends, a first segment, and a second segment. The second resonance part includes a plurality of second bends, a third segment, and a fourth segment.

Abstract: There is provided an apparatus comprising a plurality of arrays; each array comprising a plurality of antenna elements, adjacent antenna elements of the array spaced at a first distance from one another and wherein the plurality of arrays are spaced from one other at a second distance, wherein the second distance is greater than the first difference.

Abstract: Methods and systems for efficient multi-polarization communications are presented. An array based communications system may comprises an antenna array operably connected to a first polarization path and a second polarization path. Each polarization path may comprise an analog frequency conversion circuit, a digital beamforming circuit, and a cross-polarization interference suppression circuit. To save power while communicating with one or more link partners, one or both of the first polarization path and the second polarization path may be selectively enabled or disabled in accordance with temperature, bandwidth, and/or power consumption requirements.

Abstract: Cross-dipole antenna configurations are provided. A representative cross-dipole antenna includes: a feed structure; a first antenna half, electrically connected to the feed structure, having a first conductive arm and a second conductive arm; a second antenna half, electrically connected to the feed structure, having a third conductive arm and a fourth conductive arm; wherein the first conductive arm, the second conductive arm, the third conductive arm, and the fourth conductive arm, are spaced apart from each other by about 90 degrees such that a proximal end of each of the arms is arranged near a center point and each of the arms extends generally outward to a distal end; wherein the first antenna half and the second antenna half exhibit a gap therebetween adjacent the proximal end of each of the arms.

Abstract: A multimode antenna structure is provided for transmitting and receiving electromagnetic signals in a communication device. The antenna structure includes a plurality of antenna ports for coupling to the circuitry; a plurality of antenna elements, each operatively coupled to a different one of the antenna ports; and a plurality of connecting elements. The connecting elements each electrically connect neighboring antenna elements such that the antenna elements and the connecting elements are arranged about the periphery of the antenna structure and form a single radiating structure. Electrical currents on one antenna element flow to connected neighboring antenna elements and generally bypass the antenna ports coupled to the neighboring antenna elements such that an antenna mode excited by one antenna port is generally electrically isolated from a mode excited by another antenna port at a given desired signal frequency range, and the antenna structure generates diverse antenna patterns.

Abstract: An array antenna device includes a plurality of antenna elements arranged to include a first antenna element arrangement in which antenna elements are arranged at element intervals having predetermined periodicity and a second antenna element arrangement in which antenna elements are arranged at element intervals having predetermined periodicity different from the periodicity in the first antenna element arrangement. The array antenna device includes a control unit configured to remove erroneous detection caused by a grating lobe based on a comparison of a detection result by an array antenna of the first antenna element arrangement and a detection result by an array antenna of the second antenna element arrangement.

Abstract: A method, system, and computer-readable medium for producing a VOR signal in space. Aspects include generating, using a transmitter, a plurality of signals. In addition, determination of an amplitude and phase for each of the plurality of signals is made using the transmitter. Furthermore, each loop antenna in the loop antenna array is driven using one of the plurality of generated signals directly using the transmitter without a radio frequency (RF) bridge, such that an omidirectional reference signal and a spinning variable signal are transmitted from the loop antenna array.

Abstract: In a semiconductor device, a plurality of semiconductor units is electrically connected in parallel using a connecting device. The connecting device includes a first connecting unit and a second connecting unit. The first connecting unit is electrically connected to a control terminal of each semiconductor unit. The second connecting unit is electrically connected to a main terminal of each semiconductor unit.

Abstract: A connection terminal includes: an electric wire connection part; a terminal connection part formed in a flat-plate shape; an insertion hole provided in the terminal connection part and connected to a mated member by insertion of a bolt; an erect wall located around the insertion hole and provided integrally with and protrusively from the terminal connection part; and a fracture part provided at the terminal connection part between the erect wall and the insertion hole and configured to separate a part of the terminal connection part from the mated member by a pull force in a state where the bolt is inserted. The fracture part includes: a first slit provided so as to be partially curved along the insertion hole between the erect wall and the insertion hole; and a second slit provided so as to continue to the first slit and to reach the erect wall.

Abstract: A heat-shrinkable protective element having at least one protective layer is obtained from a polymeric composition having a polymer material, where the polymeric composition additionally has an electrically conducting filler having a BET specific surface of at least 100 m2/g according to Standard ASTM D 6556.

Abstract: A cable connector includes an outer conductor engager, a body, a coupler, a compression sleeve, a radially compressible grounding member, and an end cap. The outer conductor engager is configured to receive an end of a coaxial cable and has an outer circumferential surface defining an annular groove. The body includes an annular ring portion coaxially aligned with the outer conductor engager along an axis, and the annular ring is configured to circumscribe the coaxial cable. The coupler is rotatably mounted relative to the outer conductor engager and the body, and the compression sleeve is disposed at an opposite axial side of the body relative to the coupler. The radially compressible grounding member is configured to establish an electrical grounding path between the outer conductor engager and the coupler, and the end cap has a radial projection slidably retained in the groove.

Abstract: A USB cable end connector and the method of making the same are disclosed. The cable end connector includes a first contact module, a second contact module, a central grounding unit sandwiched between the two contact modules, a shielding shell enclosing the first and the second contact modules; and a grounding means attached to the first and the second contact modules along a height direction of the connector. The grounding means includes an upper grounding pad and a lower grounding pad. The upper grounding pad and the lower grounding pad are assembled to a first and a second insulators of the contact modules along a height direction, respectively. The upper grounding pad is sandwiched between the first contact module and the shielding shell. The lower grounding pad is sandwiched between the second contact module and the shielding shell.

Abstract: According to exemplary embodiments, a tapered surface interconnect is formed on a printed circuit board (PCB). A compliant pin of an electrical connector may be coupled to the tapered surface interconnect and soldered thereto. The surface interconnect may be formed by drilling through one or more layers of the PCB. The depth of the surface interconnect may be shorter than a height or a thickness of the PCB. The surface interconnect may have a tapered side wall to allow for a better fit with a tapered compliant pin. The inclination of the side wall of the surface interconnect may be linear or concave. The intersection between the tapered sidewall and the bottom of the surface interconnect may be rounded to minimize pin insertion issues and may allow for easier solder flux evacuation. The compliant pin may be soldered into place upon being coupled to the tapered surface interconnect.

Abstract: According to exemplary embodiments, a tapered surface interconnect is formed on a printed circuit board (PCB). A compliant pin of an electrical connector may be coupled to the tapered surface interconnect and soldered thereto. The surface interconnect may be formed by drilling through one or more layers of the PCB. The depth of the surface interconnect may be shorter than a height or a thickness of the PCB. The surface interconnect may have a tapered side wall to allow for a better fit with a tapered compliant pin. The inclination of the side wall of the surface interconnect may be linear or concave. The intersection between the tapered sidewall and the bottom of the surface interconnect may be rounded to minimize pin insertion issues and may allow for easier solder flux evacuation from the surface interconnect during the soldering process. The compliant pin may be soldered into place upon being coupled to the tapered surface interconnect.

Abstract: An RF connector includes a conductive pin for carrying an RF signal. The conductive pin has a first longitudinal end that serves to interface with a male RF connector to receive the RF signal. The pin also includes a second longitudinal end for connecting with a printed circuit board (PCB). The second longitudinal end may be tapered, and the pin may have a groove formed above the tapered end. A housing encircles the conductive pin. The housing is shaped and sized to accept the male RF connector. A grounding element may be positioned on the bottom of the housing. The grounding element is to contact the PCB when the connector is connected to the PCB. The grounding element may be ring-shaped and soldered to the housing or epoxied to the housing.

Abstract: In accordance with one embodiment, an electrical contact has a mating end and a mounting end. The electrical contact includes an electrically conductive base, and a multi-layered coating disposed on an outer surface of the base at the mating end. The multi-layered coating can include a metallic layer of a noble metal or alloy thereat: a layer of anti-tarnish material disposed on the metallic layer, and a lubricant layer disposed on the layer of anti-tarnish material, the lubricant effective to seal at least some wear regions created in the layer of anti-tarnish material due to micromotion of the mating end in use.

Abstract: An electronic device may include a substrate including a first surface facing a first direction, and a second surface facing a second direction, the second direction being opposite to the first direction; a first connector arranged on the first surface, wherein the first connector includes a first hollow member extending in the first direction; a first movable conductive member inserted in the first hollow member and movable in the first direction; and a first elastic member for supporting the first movable conductive member; a second connector arranged on the second surface and aligned with the first connector in the first direction, wherein the second connector includes a second hollow member extending in the first direction, a second movable conductive member inserted into the second hollow member and movable in the first direction, and a second elastic member for supporting the second movable conductive member.

Abstract: A shield connector (10) includes a housing (20) with a spring accommodating portion (25) open on a facing surface (24), a fixing plate (50) to be fixed to the housing (20) and mounted on a case wall (71), and springs (60) to be arranged inside the spring accommodating portion (25). Each spring (60) includes a first support (63) and a second support (64) to be supported on the housing (20) and a resilient deformation portion (61) convexly curved toward the facing surface (24) and having a convex tip serving as a contact (62) projecting out from an opening of the housing (20) and to be brought into contact with the device-side terminal (73). The resilient deformation portion (61) includes slits (65) extending from a side connected to one of the first and second supports (63, 64) toward an opposite side across the contact portion (62).

Abstract: A damping element for a plug-in connector is described, the plug-in connector comprising a socket and a connector pin pluggable into the socket. The damping element is configured to be disposed inside of the socket and comprises a first bearing face adapted for lying flat against the bottom of the socket and a second bearing face adapted for lying flat against the front face of the connector pin. Either a first shaft is attached at or integrally moulded with the first bearing face or a second shaft is attached at or integrally moulded with the second bearing face. The damping element is adapted for providing a damping effective in the axial direction between the connector pin and the socket.

Abstract: An electrical connector includes a main body mounted to the circuit board, a shielding plate assembly fastened to the main body, and a plurality of conductive terminals mounted to the main body and arranged in two rows. The shielding plate assembly is located between the two rows of the conductive terminals. Each of the conductive terminals has a fastening portion, a contact portion and a soldering portion. A front end of the contact portion has a contact surface. Thicknesses of two opposite sides of the front end of the contact portion are smaller than a thickness of a middle of the front end of the contact portion. The contact surfaces of the contact portions of the conductive terminals are exposed to a top surface and a bottom surface of the main body, respectively.

Abstract: A connector includes terminals connected to metal conductors of insulated wires each formed by covering the metal conductor with an insulation, a resin case member including a housing space for housing the terminals and an end opening that opens at one end, a resin lid member fitted to the end opening of the case member, and a molded resin portion formed by molding so as to cover at least the end opening of the case member fitted with the lid member. The case member includes first grooves that have a semicircular cross section and are formed on an inner surface facing the lid member, and the lid member includes second grooves that have a semicircular cross section and form, together with the first grooves, wire insertion holes for inserting the insulated wires.

Abstract: The invention relates to an assembly for marking at least one connection of a computer system. The assembly comprises a housing with an outer wall, in which a recess is formed. Furthermore, at least one connection is provided, which is accessible from outside the housing via the recess of the housing. The assembly is characterized in that a labelling element can be secured within the housing such that at least one section of the labelling element which can be provided with a marking and which is assigned to the at least one connection projects outwards from the housing through the recess. Furthermore, the invention relates to a connection module and to a labelling element.

Abstract: A connector is mateable with a mating connector along a front-rear direction. The connector includes a contact member and a ground member. The contact member includes a plurality of contacts and an arrangement member. The arrangement member holds and arranges the contacts in a pitch direction perpendicular to the front-rear direction. The arrangement member is provided with two press-fit protrusions and an island-like protrusion. Each of the press-fit protrusions protrudes in a protruding direction perpendicular to both the front-rear direction and the pitch direction. The island-like protrusion protrudes in the protruding direction while extending long in a predetermined direction perpendicular to the protruding direction. The ground member has a plate-like main portion. The main portion of the ground member is formed with two holes and a protrusion accommodation portion. The press-fit protrusions are press-fit into the holes, respectively.

Abstract: An electrical connector is provided, which includes: a housing having a port and an opening; an insulating body having a tongue plate formed in the housing; a plurality of conductive terminals provided on the insulating body; and a seal body formed between the tongue plate and the port. The tongue plate protrudes from the port to a region outside of the housing, such that the housing is free from enclosing the tongue plate. A seal body is provided between the tongue plate and the port to seal off the port so as to be waterproofed, without increasing the contour size of the electrical connector.

Abstract: An electrical connector assembly for attachment to a case includes a plurality of terminals, a carrier, and a single body seal. The terminals extend into a connector hole defined by the case and the carrier mates the terminals to the case. The carrier has a unibody formed as one-piece, with a sealing groove defined in the unibody. A plurality of terminal holes correspond to the terminals and extend through the unibody. The single body seal is compressed between the unibody of the carrier and a mating surface defined by the case.

Abstract: A connector is provided which has terminals able to contact the opposing terminals connected to the terminal ends of electrical wires, and a housing accommodating the mounted terminals. The housing has a terminal accommodating recessed portion in the bottom end portion of the housing. The terminal accommodating recessed portion receives the inserted opposing terminals, and a head portion for sealing the upper end of the terminal accommodating recessed portion. The head portion includes a ceiling panel portion and side panel portions. Each side panel portion includes a water discharging hole communicating with the interior of the terminal accommodating recessed portion and outside of the housing, and a waterproofing rib formed around the water discharging hole and protruding from the outer surface of the side panel portion.

Abstract: An electrical connector assembly is used for connecting to a chip module. The electrical connector assembly includes an electrical connector and a dust-proof cover. The electrical connector includes an insulative housing, a plurality of terminals and a shell covering the insulative housing. The insulative housing includes a second cavity for receiving the chip module. The shell defines an opening corresponding to the second cavity. The dust-proof cover includes a dust-proof portion covering the opening and a pair of inclined pushing portions protruding from the dust-proof portion to the second cavity. The dust-proof cover has a plurality of supporting portions for supporting the dust-proof portion. The supporting portions separate from the shell when the inclined pushing portion is pushed by the chip module, and the dust-proof cover separates from the electrical connector.

Abstract: A connector includes a cavity for stowing a pre-installed sealing member. The cavity is defined by a first or coupler seal cavity formed on the inside surface of a coupler and a second or insert seal cavity formed on the outer periphery of an insert. Relative motion of the coupler and the insert during assembly causes the sealing member to be displaced from a stowed or inactive seal position to an assembled or active seal position.

Abstract: A plug (301) adapted to hold a wire (320) and to be received within a socket (330). The plug (301) comprises a plug body (302) comprising at least two plug body portions (500) that are connected to a plug body end (305), and a passage (307) extending substantially along a central longitudinal axis (501) of the plug body (302) for receiving the wire (320). The plug body (302) is configurable in a first wire-receiving configuration so that the wire (320) can be placed within the passage (307) and a second clamping configuration so that the plug body (302) can clamp to and retain the wire (320) within the passage (307) such that conducting strands (321) of the wire (320) extend substantially along the central longitudinal axis (501) of the plug body (302). The at least two plug body portions (500) are moveable away from the central longitudinal axis (501) into the first wire-receiving configuration, and are moveable towards the central longitudinal axis (501) into the second clamping configuration.

Abstract: A system of connecting two or more communication devices wherein the system comprises of at least two devices, each of which has an interface and a housing with a peripheral surface, and a connector. The devices are positioned at the interfaces through a connector. The housing is configured to receive a magnetic contact assembly. A method of connecting two or more devices wherein the method comprises of positioning a connector of a first device adjacent a connector of a second device; magnetically drawing a magnet of said first device toward said second device to magnetically hold said first and second devices together, thereby overcoming a magnetic bias between said magnet and a contact assembly of said first device; and magnetically drawing said contact assembly toward said second device to form a mechanical connection.

Abstract: A connector includes a holding member which is formed with two accommodation portions, a middle portion and regulating portions. Flat plate portions which form a mid-plate are accommodated by the accommodation portions, respectively. Each of the flat plate portions has a base portion, a press-fit portion, a spring portion, a lock portion and a regulated portion. The press-fit portion protrudes from the base portion in a pitch direction and is pressed against the holding portion. The spring portion extends forward from the base portion and has resilience. The spring portion is apart from the regulating portion in the pitch direction. The lock portion is supported by the spring portion and protrudes outside the mating portion in the pitch direction. The regulated portion extends forward from the base portion and is situated inward of the regulating portions in the pitch direction.

Abstract: An electrical connection device (1), especially in the form of a connecting box, comprises a housing (2) having a wall (4) delimiting an inner space (3), electrical components (5) arranged in said inner space (3) and having at least two connecting portions (6, 7, 8), and at least two connecting holes (9, 10, 11) passing through the wall (4), through which external elements (12) connectable to the connecting portions (6, 7, 8) can be guided into the inner space (3). The connection device (1) further comprises a mechanical safety element (13) having a number of stop elements (14, 15, 16) that corresponds to the number of connecting portions (6, 7, 8), which stop elements (14, 15, 16) provide a mechanical stop for the external elements (12).

Abstract: The invention relates to a lever-type connector for facilitating the connection. The connector includes a housing on which a cable guide cover is mounted. A lever is rotatably mounted on the cable guide cover and displaces a slide. In the course of the rotation of the lever, the slide cooperates with the cable guide cover in order to maintain the cable guide cover on the housing with greater force and in a better-adapted manner.

Abstract: A device for stabilizing an electronic connection between a power cord and a mobile electronic device. The device comprises a housing comprising a top surface, a bottom surface, and an aperture. Both the top and the bottom surfaces each comprise a channel for accepting part of the power cord. The power cord penetrates the aperture and is held in place by the channels. The device reinforces the physical connection between the power cord and the mobile electronic device by providing additional lateral stability.

Abstract: A charging inlet (10) has an inlet body (20) including a first mounting plate (22) mounted on a body (B) of a vehicle. The first mounting plate (22) has fixed short collars (24), an indicator plate (30) including a second mounting plate (32) arranged between the body (B) and the first mounting plate (22) and having through holes (33) and fixing nuts (34) having the fixed portions (24) fixed thereto. The indicator plate (30) is mounted on the inlet body (20) by fixing the fixed portions (24) to the fixing portions (34). Long collars (23) project from the first mounting plate (22) toward the body (B) and penetrate the through holes (33) of the second mounting plate (32). Bolts (40) inserted into the tubular parts (23) fix the inlet body (20) to the body (B) with ends (23A) of the tubular parts (23) held in contact with the body (B).

Abstract: A two-prong polarized electrical plug adaptor and a method of confirming proper orientation of a two prong polarized electrical plug with respect to a polarized electrical receptacle or outlet before and after being plugged into the outlet which method includes the steps of: providing a two-prong polarized electrical plug adaptor to which a two-prong polarized electrical plug is coupled; providing an indicia element on the top of the plug adaptor which provides visual confirmation of proper orientation with respect to a polarized electrical receptacle or outlet before and after being plugged into the outlet providing a polarized electrical receptacle or outlet; and visually confirming that the indicia element is pointing upward when and/or after the plug adaptor is inserted into the polarized electrical receptacle or outlet.

Abstract: Described herein is a vibration resistant grounding spring. One embodiment takes the form of a mobile electronic device that includes an outer-bezel frame, a circuit-board frame, and a vibration resistant grounding spring. The grounding spring having a channel portion configured to receive an edge of a circuit board frame and a deflection portion extending from the channel portion. The deflection portion is configured to exert a pressure outward from the circuit-board frame towards an outer-bezel frame. The grounding spring provides for both relative motion and electrical connectivity between the circuit board and the outer-bezel frame.

Abstract: A power connector is disclosed. The power connector has an insulation body, a ground terminal disposed on a side wall of the insulation body, and a power terminal disposed in the insulation body. The ground terminal has a resilient protrusion. A side surface of the power terminal has a recess facing the resilient protrusion, increasing a spacing between the resilient protrusion and the power terminal.

Abstract: A power cord is described that includes “in-line” power control functionality. The power control functionality may selectively enable or disable a flow of electrical current through the power cord and/or selectively control an amount of electrical current that is permitted to flow through the power cord. The power control functionality may be activated and/or controlled through the receipt of control signals from an external device. The power cord may be configured to monitor the state of an electronic device to which it is connected and selectively activate and/or modify the operation of the power control functionality in response to the detection of a particular state of the electronic device. The power cord may also be configured to receive and analyze sensor data, and based at least on the analysis, selectively activate and/or modify the operation of the power control functionality.

Abstract: An electrical furniture assembly has: (i) a furniture assembly comprising: (A) a base, (B) a transverse member, and (C) a coupler for coupling the base to the transverse member; and (ii) an electrical hub configured to selectively reside within the furniture assembly. The electrical hub features: (A) an electrical outlet assembly; (B) a securement panel; and (C) a spring-biased installation clip. The electrical hub is selectively secured at least partially within a transverse member of a furniture assembly and may be plugged into an external power source to supply power to various electronic devices conveniently used by a user sitting on the furniture assembly.

Abstract: A coaxial connector having an axially moveable shell in opposition to a separate and distinct body component wherein the moveable shell contains a gripping member capable of having the front portion displaced radially inwardly by the body so that the gripping member is positioned within the connector body and between the connector body and the coaxial cable and secures the cable to the connector and environmentally seals the junction while at the same time the shell contains a structure to move a rear portion of the gripping member radially outwardly upon compression. In some embodiments disclosed herein the shell contains a structure to prevent a rear portion of the gripping member from moving radially inwardly upon compression.

Abstract: A cable end connector and the method of making the same are disclosed. The connector includes a first contact module, a second contact module, a central grounding unit, a grounding means, and a shielding shell electrically connecting with the grounding means. The first contact module includes first contacts and a first insulator retaining the first contacts. The first insulator has a first tongue section and a first assembling section. The second contact module includes second contacts and a second insulator retaining the second contacts. The second insulator has a second tongue section and a second assembling section. The shielding shell has a front shell and a rear shell partially overlapped on the front shell. The front shell substantially encloses the first and the second tongue sections of the first and the second contact modules, the central grounding unit and the grounding means. The rear shell covers the first and the second assembling sections of the first and the second contact modules.

Abstract: An electrical connector comprising an insulating housing, a USB Type-C connector arranged in the insulating housing, a circuit board and a plurality of transferring terminals is disclosed. One side of the circuit board is connected with twenty-four connection terminals of the USB Type-C connector, other side of the circuit board is connected with the plurality of transferring terminals which are corresponding to USB Type-A standard. The circuit board is arranged with a connecting line, which is used to integrate signal transmitted through the twenty-four connection terminals of the USB Type-C connector into USB Type-A standard adopted outputting signal, and outputs the outputting signal through the plurality of transferring terminals.

Abstract: Communications jacks include at least first through third jackwire contacts and a flexible substrate that has a first finger and a second finger. The first jackwire contact and the third jackwire contact are each mounted on the first finger and the second jackwire contact is mounted on the second finger.

Abstract: A connector housing assembly is disclosed. The connector housing assembly has a connector housing and a mating connector housing. The connector housing has a cable receptacle open in a cable direction. The mating connector housing has a contact receptacle open in a contact direction. The mating connector housing is connectable with the connector housing in a first position in which the cable direction and the contact direction are substantially perpendicular to each other and a second position in which the cable direction and contact direction are substantially parallel to each other.

Abstract: Quick-mount electrical components including a body and a receiver. The body includes a first protrusion, a connecting portion distal the first protrusion, the connecting portion containing a first set of one or more electrical contacts, and a second protrusion proximate the connecting portion. The receiver includes a guide, a wire trap proximate the guide, a receiving portion distal the guide, the receiving portion containing a second set of one or more electrical contacts, and a retainer proximate the receiving portion. The first protrusion has one or more recesses that match corresponding alignment elements on the guide such that the body is keyed to only fit certain receivers, depending upon the electrical characteristics of devices wired to the receiver.

Abstract: The present invention relates to a screw-in type base for a lighting device being arranged to be mounted in a socket comprising a socket bottom conductor is provided. The base (100, 200, 300) comprising a threaded tubular enclosure (102) extending along an axial direction between a first (102a) and a second (102b) end portion of the enclosure (102), a base bottom conductor (103, 203, 311) arranged to be in electrically conductive contact with a light source (106) of the lighting device (400), and arranged to make electrically conductive, biased contact with the socket bottom conductor when the lighting device (400) is mounted in the socket, wherein the base bottom conductor (103, 203, 311) comprises a compliant thin-walled member (105, 205, 308) arranged such that the base bottom conductor (103, 203, 311) is, relative to the enclosure (102), movable in the axial direction in response to engagement with the socket bottom conductor when the lighting device (400) is mounted in the socket.

Abstract: An electric machine configured to increase resistance between a brush and a commutator of the electric machine at a wear condition of the brush consistent with end of service life.