Abstract: A slip ring includes a first dielectric carrier body and a second dielectric carrier body, each carrier body having at least one shoulder extending circumferentially along a circle line. In addition, the slip ring includes conductor elements, which have an annular and closed configuration with respect to an axis, at least one conductor element, which is fixed in place on the shoulder of the first dielectric carrier body, and at least one conductor element, which is fixed in place on the shoulder of the second dielectric carrier body. The first dielectric carrier body is arranged at an offset from the second dielectric carrier body in the direction of the axis, so that the shoulder having the at least one conductor element of the first dielectric carrier body and the shoulder having the at least one conductor element of the second dielectric carrier body are located axially across from each other.

Abstract: A battery cell with a magnesium and beta alumina current collector includes a magnesium core with a beta alumina covering and bare magnesium collectors. The preferred embodiment uses a two chamber battery cell with a ceramic separator, where the cathode chamber contains the current collector and a compound of 38% common salt (NaCl) containing 80 micrograms of Iodine (I) per gram of common salt (NaCl), 18% Iron (Fe), 15% Zinc, (Zn), 16% Copper (Cu), 5% Nickel (Ni) and 4% Silver (Ag), and the anode chamber contains a compound of 38% common salt (NaCl) containing 80 micrograms of Iodine (I) per gram of common salt (NaCl).

Abstract: Disclosed is an encoder and encoding method for slip ring. The encoder includes: an encoding belt that is fixed to a slip ring and has a plurality of holes regularly arranged on the encoding belt; at least one pair of first sensors provided on one side of the encoding belt, wherein the first sensors of each pair generate a first sense signal and a first redundant sense signal respectively based on light emitted from the other side of the encoding belt and passing through the plurality of holes, when the encoding belt rotates with the slip ring; and at least one signal combiner connected to the at least one pair of the first sensors, and configured to combine the first sense signal and the first redundant sense signal to obtain a combined sense signal as a first encoded signal.

Abstract: A slip ring assembly for the electrical connection of two rotating parts has at least a sliding track with V-grooves. At least two brushes of electrically conductive material are contacting the sliding track within the V-groove. The brushes are connected electrically with each other and mounted at different levels resulting in a different distance to the rotation axis of the sliding track. This results in an improved resistance against shock and vibrations.

Abstract: A slip ring includes a spindle and a plurality of insulating rings and conductive rings alternately fitted to the spindle. Each conductive ring is connected with a wire, and the wire extends out of the slip ring through a wire hole of the spindle. The insulating rings engage the spindle so that the insulating rings are unable to rotate relative to the spindle. The conductive rings engage the spindle or the neighboring insulating ring so that conductive rings are unable to rotate relative to the insulating ring. The number and size of the insulating rings and conductive rings are selectable to be fitted to the spindle.

Abstract: The present invention provides a freely rotatable electrical conduction structure including at least two cylindrical electrical conduction portions, an insulated material portion and at least two electrical conduction terminals. The at least two cylindrical electrical conduction portions are arranged separately along an axis, wherein the inner surface of each cylindrical electrical conduction portion is welded with an end of a conducting wire. The insulated material portion is combined with the at least two cylindrical electrical conduction portions via injection molding to form a circular shaft assembly. The at least two electrical conduction terminals correspond to the at least two cylindrical electrical conduction portions respectively, and each electrical conduction terminal partially projects to form an arc contact portion configured to abut onto the outer peripheral surface of its corresponding cylindrical electrical conduction portion.

Abstract: A sliding-contact arrangement or slipring includes a slide-track having a V-shaped groove and also a brush having at least two slide-wires which simultaneously make sliding contact with the V-shaped groove of the slide-track. Furthermore, the two slide-wires have different diameters and contact the slide-track at different angular positions. Thereby an increased tolerance to mechanical vibrations and shocks as well as a reduced contact resistance results.

Abstract: A connector includes a universal conductor, a first connecting body, and a second connecting body. The first connecting body connects to the conductor, and the second connecting body rotatably connects to the conductor. The present disclosure further discloses an electronic device using the universal connector.

Abstract: This invention provides rotating electrical connections and methods of using the same. One aspect of the invention provides a rotating electrical connection. The rotating electrical connection includes: a rotary member and a pin. The rotary member includes a contact surface and is configured for rotation about a rotational axis. The rotational axis intersects with the contact surface. The pin is configured to contact the rotary member at the intersection of the rotational axis and the contact surface.

Abstract: Slip ring assemblies for controlling pitch of a wind driven blade such as those utilized in wind turbines can include a series of grooves disposed about an outer perimeter of a rotating portion, each one of the grooves comprising a first planar surface intersecting with a second planar surface at an angle of 75 to 105 degrees, and a concavely rounded bottom portion at the intersection of the first and planar surfaces. The rotating portion of the slip ring can be formed of a bronze material and may include a graphite coating. Also disclosed herein are wind turbine assemblies employing the slip ring assemblies.

Abstract: This invention provides rotating electrical connections and methods of using the same. One aspect of the invention provides a rotating electrical connection. The rotating electrical connection includes: a rotary member and a pin. The rotary member includes a contact surface and is configured for rotation about a rotational axis. The rotational axis intersects with the contact surface. The pin is configured to contact the rotary member at the intersection of the rotational axis and the contact surface.

Abstract: The transfer apparatus is directed toward electrical transfer components providing an electrical connection to a rotating object. The transfer apparatus includes a stator base mounted proximate to the rotating object. An axle rotatably mounts at least one conductive disk to the stator base. The conductive disk is held against the rotating object. As the rotating object rotates about a first axis, the conductive disk is made to rotate about a second axis, the second axis otherwise maintaining a static position. A rotationally immobile contact is maintained in substantial electronic contact with the conductive disk whereby a lead wire may be connected to the immobile contact.

Abstract: A rotary joint and a method for making a rotary joint are disclosed. The rotary joint includes a cylindrical core having an external surface including at least two circumferentially oriented groove regions and a partition region intermediate the groove regions. At least a portion of the surface of a groove region is electrically conductive and at least a portion of the surface of the partition region is electrically insulating. A method for making the rotary joint includes molding the cylindrical core from a plateable resin and molding over at least some of the plateable resin with a non-plateable resin. A conductive material is plated over the plateable resin to form a rotary joint of unitary structure, eliminating the numerous components and assembly steps associated with conventional rotary joints.

Abstract: A contact structure in a cable winding reel is disclosed which maintains rotary contact between two cables connected, at one-side ends thereof, to electric/electronic appliances, namely, one cable which is wound on a rotating body, and the other cable which is maintained in a fixed state without being wound, thereby enabling transmission of electricity and signals between the cables. A cable winding reel is also disclosed, wherein the contact structure is implemented in a well-known cable winding reel structure.

Abstract: A rotary joint and a method for making a rotary joint are disclosed. The rotary joint includes a cylindrical core having an external surface including at least two circumferentially oriented groove regions and a partition region intermediate the groove regions. At least a portion of the surface of a groove region is electrically conductive and at least a portion of the surface of the partition region is electrically insulating. A method for making the rotary joint includes molding the cylindrical core from a plateable resin and molding over at least some of the plateable resin with a non-plateable resin. A conductive material is plated over the plateable resin to form a rotary joint of unitary structure, eliminating the numerous components and assembly steps associated with conventional rotary joints.

Abstract: The transfer apparatus is directed toward electrical transfer components providing an electrical connection to a rotating object. The transfer apparatus includes a stator base mounted proximate to the rotating object. An axle rotatably mounts at least one conductive disk to the stator base. The conductive disk is held against the rotating object. As the rotating object rotates about a first axis, the conductive disk is made to rotate about a second axis, the second axis otherwise maintaining a static position. A rotationally immobile contact is maintained in substantial electronic contact with the conductive disk whereby a lead wire may be connected to the immobile contact.

Abstract: A device for transferring electric currents that includes a slip ring unit that has a rotor with connecting wires and a stator and a printed circuit board fastened to the rotor, wherein the printed circuit board includes connectors in electrical contact with the connecting wires, wherein a torque required for rotary movement between the rotor and the stator is introduced via the printed circuit board.

Abstract: A slip ring assembly for allowing electrical or electronic signal transfer between a stationary device and a rotating device includes a ring assembly and a brush assembly. The ring assembly comprises a plurality of assembled rings and spacers of selected widths positioned on a longitudinal tube having a slot and a hollow center. The tube may be provided with one or more bearings to allow the tube to be smoothly rotatable in a housing. A plurality of brushes unitarily formed with a plurality of connector pins are held by a brush holder which is removably received in the housing. The connector pins are configured to receive a standard male or female connector. The housing is typically incorporated into a body of a stationary device, and the tube may be attached to or incorporated into a rotating component of an electronic or electrical device.

Abstract: The invention relates to a holding device for sliding contacts. The holding devices so far known require a very high expenditure for mounting or alignment. A flexible printed circuit board with mechanically rigid carrier elements that permit the adaptation to the geometry of the slipring enables a simple and low-cost structure.

Abstract: A plurality of contact rings are supported in spaced relation on a cylindrical body about a common axis. A housing is located adjacent the contact rings and is configured to permit relative rotation between the contact rings and the housing about the common axis. A plurality of contact brushes each have a proximal end connected to a printed circuit board (PCB). A distal end of each of the contact brushes is slidably engaged with a corresponding one of the contact rings. Optionally a signal generating portion of a position encoder may be mounted on the PCB. The position encoder has a reference portion that is mounted on the cylindrical body.

Abstract: A rotation connector, or slip ring, adapted to the transmission of electrical signals from a first device to a second device, which second device is rotatable with respect to the first device, wherein the connector includes a substantially dielectric support member having a longitudinal direction and provided with a first end portion and a second end portion, the surface of the support member being provided with an electrically conductive track extending longitudinally as far as the region of the second end. A self-supporting contact ring with a substantially circular electrically conductive peripheral edge is pushed over said support member and fixed thereto, such that the peripheral edge of the contact ring is in connection with the electrically conductive tracks via an electrically conductive path.

Abstract: A slip ring and brush assembly for transmitting electrical energy between a stationary conductor and a rotating head assembly of a video recording device is disclosed. The assembly includes a rotor having a base and a shaft. The base is arranged to couple with a rotatable spindle located in a drum assembly of a video tape recorder. The base includes a conductive contact pad for electrically engaging a plurality of electrically conductive leads disposed on the rotatable spindle and electrically coupled to the rotating head assembly. The shaft extends from the base and includes an electrically conductive slip ring positioned on the shaft. The electrically conductive slip ring is electrically coupled to the electrically conductive contact pad. The assembly further includes a stator that is rotatably coupled to the rotor. The stator includes a pedestal and a sheath. The assembly also includes a brush holder, which is mounted to the pedestal.

Abstract: A rotation connector, or slip ring, adapted to the transmission of electrical signals from a first device to a second device, which second device is rotatable with respect to the first device, wherein the connector includes a substantially dielectric support member having a longitudinal direction and provided with a first end portion and a second end portion, the surface of the support member being provided with an electrically conductive track extending longitudinally as far as the region of the second end. A self-supporting contact ring with a substantially circular electrically conductive peripheral edge is pushed over said support member and fixed thereto, such that the peripheral edge of the contact ring is in connection with the electrically conductive tracks via an electrically conductive path.

Abstract: A slip ring assembly comprising a fixed base unit and a rotor unit. The fixed base unit has a fixed base, a plurality of electrode plates detachably attached to a plurality of slits formed on the fixed base, and a brush fixed on each of the electrode plates. The rotor unit has a rotor shaft, a plurality of conductive rings and insulation spacers alternately placed on top of each other on the outer periphery of the rotor shaft in a detachable state so that each of the conductive rinds is positioned to correspond to each brush.

Abstract: In order to provide a more cost effective electric power supplying apparatus simpler in structure and operation, the apparatus 1 is constituted by attaching an electric power receiving part to an electric power supply part 2. The electric power receiving part comprises a shaft 7 provided on the end of a rotary member 3 at the rotational center thereof. The electric power supply part 2 comprises brush belts 5 each including a plurality of flexible linear conductive elements arranged so as to abut against the peripheral surface of the shaft 7.

Abstract: A rotary connector assembly has a rotor with a receptacle for an associated electrical connector, stator contacts, first contacts arranged in the receptacle that make an electrical connection to contacts of the associated electrical connector, a housing in which the rotor is rotatably arranged, and rotor contacts arranged on the rotor and electrically connected to the first contacts that make an electrical connection to the stator contacts. The rotor contacts include wound wire on which the stator contacts abut laterary. The rotor contacts are arranged mutually spaced apart radially on a section of the outer circumference of the rotor. Leads to the rotor contacts have a portion arranged running in an axial direction in radial recesses of the rotor.

Abstract: A stationary pick-up element for use with a rotary connector having a wire rotary element within a housing. The pick-up element comprises an insulated holder for insertion into a slot in the housing, a plurality of conductive fingers incorporated into the holder and disposed so as to contact the rotary element through an exposed portion of the slot, and end connector incorporated into the holder for connection to a plurality of external wires, and a plurality of conductive traces on the insulated holder for connecting the conductive fingers to the end connector.

Abstract: The present invention relates to a rotational jack socket assembly which generally comprises a housing which has a jack socket rotationally mounted therein. The jack socket is provided will a receptacle for receiving and retaining a jack thereof The bottom of the housing is attached with a mounting bracket. The outer peripheral wall of the jack socket is alternatively enveloped with an annular terminal and an insulator. The housing is provided with a plurality of retaining holes which are corresponding to each of the annular terminals. Each of the retaining holes is further mounted with a resilient conducting loop which is provided with a plurality of projections which direct radially and inward. When each of the conducting loop is enveloped onto the outer peripheral of the housing, each of the projections can be suitably positioned within a corresponding retaining hole such that the projection is electrically contacted with the outer peripheral of the annular terminal.

Abstract: A slip ring device for a cable reel (10) or the like having a cable drum (11) rotating on a stationary shaft (14). The drum is provided with at least one contact (22) to which a cable (12) of the cable reel (10) is connected. The slip ring (31, 32) arranged on the shaft (14) and against which the contact rests includes a thread or strip-shaped element (28, 29) of electrically conductive material which is wound about the shaft.

Abstract: A communication card includes a housing and a shank rotatably mounted thereto. The shank defines an axis along its length around which the shank can rotate. A connector is mounted on the shank. The shank and connector are extendable beyond an edge of the housing to an extended position. In the extended position, the connector and shank are rotatable about the shank axis.

Abstract: A rotatable connector installed in a telephone transmitter and used for connecting a coiled conductor and the transmitter to effectively prevent the coiled conductor from twisting. The connector includes a housing, four conductors for connecting to a microphone and a receiver in the transmitter, four annular guide pieces which can be mounted on a rotation seat and held in the housing and composed of four semicircular piercing guide pieces and four semi-circular guide pieces, a jack for the coiled conductor held in the housing and having several electrically conducting spring strips thereon. The jack can be freely rotated relative to the housing while keeping the spring strips in electric contact with the corresponding annular guide pieces.

Abstract: A rotatable connector for telephone transmitter, especially one which prevents the transmitter conductor from twisting, includes: a housing; a clip connecting plug for inserting into the transmitter; a rotation seat for inserting and placing into the housing and connecting with an extension conductor to electrically connect with the clip connecting plug; some sets of annular guide pieces composed of some semi-circular piercing guide pieces and some semi-circular guide pieces being fixed onto the rotation seat; and a jack for transmitter conductor being fitted in the housing and having some electrically conducting spring strips embedded thereon; In this structure, the jack for transmitter conductor can rotate freely relative to the rotation seat, while still keeps the spring strips in electric connection with the annular guide pieces.

Abstract: A rotary connector, for preventing the tangling of a telephone cord, comprises a housing carrying within it a female modular connector. Also located within the housing is a sub-assembly comprising a spindle and a connector member which engages a shank of the spindle. The sub-assembly comprises structure for electrically connecting a plurality of peripheral spindle rings to one end of a cable extending from within the connector member outwardly to a male modular connector remote from the housing. The spindle rings are engaged by wipers electrically connected to contact elements on the female modular connector, which carries the wipers. The housing and the female modular connector rotate as a unit relative to the sub-assembly.

Abstract: The present disclosure is related to a universal joint adapted mainly for connecting a telephone receiver to an extension cord thereby the phone user can move along with the receiver at the extension cord's length without getting the extension cord twisted or tangled.

Abstract: A rotatable bulb socket assembly comprising a non-conductive cylindrical base including a hollow top portion of smaller diameter than the bottom portion for receiving a base portion of a light bulb. Current carrying members on the top portion are separated by an annular insulator and include inwardly projecting tabs for contacting terminals of the light bulb. Electrically conductive brushes slidably engaging the current carrying members are connected to a power supply. A retaining element retains the current carrying members and the insulating element on the top portion of the base. Drive means are provided for rotating the base.

Abstract: An embodiment of a rotary connector assembly, permanently connected to a telephone cord, is attachable to a telephone handset. The assembly prevents tangling of the cord. The assembly includes a spindle partially enclosed within a cylindrical bearing and in mutually rotatable relation therewith. The spindle mounts external conducting rings engaged by wipers mounted on a guide element in turn mounted on a base member which also mounts the cylindrical bearing. Structure is provided to retain all the elements of the assembly in place to facilitate attachment to the handset as a single, integral unit.Another embodiment of a rotary connector assembly removably engages a telephone handset within the interior thereof. A latch element, depressible to disengage the assembly from the handset, is normally inaccessible from the exterior of the handset, and structure is provided to enable depression of the latch element.

Abstract: A device having two separate sets of contacts and a pivotal axis allowing 360.degree. of rotational freedom between the two sets of contacts. The device is designed to provide the release of radial mechanical energy, stored in a coiled cord due to repeated twisting action, and imparted to the cord from the device attached to the cord. The device provides for continuous electrical connection between the two sets of contacts, by providing unique rotary contacts which allow interruption-free electrical continuity during the full 360.degree. of rotation. The device provides for a minimal degree of friction, to allow for the rapid and thorough release of radial energy, and also provides minimum contact-wear, to allow for optimum electrical continuity and to provide for a long, useful life.

Abstract: A contact and terminal assembly having a block member, a conductor, and a securing member is disclosed. The block member and the securing member each define coacting curved surfaces between which the conductor is secured. The coacting curved surfaces define an appropriate angle for bending the conductor such that the conductor may serve on one end as a contact and at the other end as a terminal to which an electrical connection may be made. The block member, conductor, and securing member each include appropriate tabs and shoulders such that the three items may be appropriately interlocked to be affixed to each other.

Abstract: A rotatable electrical connector for use with telephone cords comprises first and second connector members which are connected together for rotation with respect to each other about an axis of rotation. A plurality of concentric electrically conductive contact rings are provided on one of the connector members about the axis of rotation in radially spaced relationship so as to face the other connector member. The other connector member has a plurality of sliding electrical contacts in electrical contact with respective ones of the plurality of concentric electrically conductive rings on the one connector members so as to remain in electrical contact with relative rotation of the connector members. The plurality of concentric conductive contact rings are located in a single plane which is perpendicular to the axis of rotation so that the connector is compact axially.

Abstract: A rotary electrical connector for a telephone or the like comprises a spindle assembly and a housing mounted in rotating relation to each other. A first male or female connector element is fixed to the spindle assembly, and a second male or female connector element rotates with the housing. Electrical contact elements extend from the first connector element and engage rings disposed in peripheral grooves of a spindle body. The rings are electrically connected to the second connector element by conducting elements extending through channels or grooves in the spindle body or in holders carried by the spindle body. Another embodiment of spindle assembly has flat planar conducting elements embedded therein. Methods for producing various embodiments are disclosed.

Abstract: The low friction rotatable electrical connector is for use with a coiled telephone cord to prevent the cord from becoming twisted or tangled during use. This connector is generally of insulating material formed with a hollow housing for supporting a rotor assembly therein. This rotor assembly is a hollow cylinder that is positioned within the housing for relative rotation therein. One end wall of the housing has a circular opening in which one end of the rotor assembly is supported for rotation. The rotor assembly has a single longitudinal split for nearly the entire length thereof, but the split does not include the journal at one end that is located within the circular opening or bearing in the end wall of the housing. The rotor assembly supports a plurality of continuous conductive rings on the exterior thereof, and there is an insulating washer positioned between each pair of conductive rings to serve as a spacer between adjacent rings.