Abstract: A device for transmitting modulated optical signals between a first unit and a second unit, in which the first unit is supported to be rotatable relative to the second unit, comprises a light guide along a circular track on the first unit, a first light coupler for coupling light into or out of the light guide, and a second light coupler disposed on the second unit and movable relative to the light guide, for coupling light into or out of the light guide. A coupling of light into the light guide is effected by means of a beam splitters and a light deflecting means.

Abstract: A device for transmitting modulated optical signals between units comprises a first unit and a second unit, the first unit being supported to be rotatable with respect to the second unit, a light guide along a circular track on the first unit, a first and a second light coupler for coupling light signals into or out of the light guide, the second light coupler being disposed on the second unit and movable with respect to the light guide. For an achievement of a high transmission bandwidth, a controllable absorber is provided in the light guide to prevent a propagation of light along a plurality of paths between the two units. In a method for operating the device, the absorber is controlled so that modulated light signals from the first and the second directions have a same amplitude at a point at which the modulated light signals have the same phase.

Abstract: An optical transmission system in a computer tomograph for transmitting modulated optical signals between a first unit and a second unit, the first unit being supported to be rotatable relative to the second unit, comprises: a light guide disposed along a circular or annular track on the first unit; at least one first light coupler connected with the light guide for coupling light into or out of the light guide; at least one second light coupler disposed on the second unit to be movable relative to the light guide for coupling light into or out of the light guide. In order to remove from the light guide surface any contaminating matter that would lead to a high signal attenuation or an interference with transmission, a cleaning unit is provided for removing dirt and dust particles. Furthermore, a sealing of the system is provided by applying, amongst other means, pressurized air or electrostatic filtering.

Abstract: A data transfer system for the optical transmission of data using an optical waveguide. The emitter and/or the receiver is adapted to be displaced along the optical waveguide or positioned at different sites. The optical data transfer system allows light to be coupled or decoupled by scattering centers at optional positions.

Abstract: In a device of the invention for transmitting modulated optical signals between a first unit and a second unit, the first unit is supported to be rotatable relative to the second unit. The device comprises a light guide along a circular track on the first unit, a first light coupler for coupling light into or out of the light guide, and a second light coupler for coupling light into or out of the light guide and disposed on the second unit and movable relative to the means for guiding light. For an achievement of a high quality of transmission, a regulating means for the position of the coupling elements relative to the light guide, or a hydrodynamic bearing means is provided. An optical light-guiding fiber of the invention for conveying optical signals from an optical transmitter to an optical receiver has a light exit face and means for deflecting light emerging from the fiber in a direction that deviates from a longitudinal axis of the fiber.

Abstract: A device for transmitting information between at least two units mobile relative to each other comprises a light guide having a light-guiding medium, the optical properties of which can be changed by external electromagnetic fields. The light guided in this light guide is modulated by electromagnetic fields emitted by a movable probe.

Abstract: Described is a device for signal transmission in computer tomographs, comprising a rotating part (1) supported to be rotatable with respect to a stationary part (2). A transmission controller (4) is provided on the rotating part (1) for compiling, from video data (6) of a video source (5), and from control information (8) of a control unit (7), serial data (21) for transmission to the stationary part (2) by means of a rotary joint (3). Furthermore, a reception controller (14) is provided in the stationary part (2) for receiving the serial data (22) transmitted by the rotary joint (3), and for evaluating these data and communicating the control information (18) contained therein to a control unit (17), and the video data (16) to a data sink (15). The serial data generated by the transmission controller (4) comprise data frames (30), and video data (6) and control information (6) are each transmitted in a data frame (30).

Abstract: In a device for the transmission of electrical signals between at least two units mobile relative to each other, such as a slip ring or a sliding path, a shielding surface of an electrically conductive material is provided to reduce interference radiation and interference sensitivity, and to diminish a coupling with adjacent paths.

Abstract: A device for transmission of digital signals between two units movable relative to each other, particularly with non-contacting rotating data transmission devices, comprises an encoder on a transmitter side along a signal path for conforming a coding of the digital signals to transmission characteristic of a transmission path, so that a given spectral distribution of signals is attained. An optional decoder on a receiver side restores original signals, so that the coding remains concealed, but a substantially more reliable transmission is achieved.

Abstract: An apparatus and methods for moving a shelving assembly. The apparatus includes support legs that are connected to the shelving assembly. Jack assemblies are connected to the support legs and are moveable to engage the ground and lift the shelving assembly off the ground. The jack assemblies include wheels so that, when lifted off the ground, the shelving assembly can be moved over the ground with the moving apparatus attached to it.

Abstract: What is described here is a device for the transmission of modulated optical signals between two units supported for rotation relative to each other, by means of optical transmitters and receivers. The total of optical transmitters and receivers is three at minimum. A switching unit selects optical transmitters or receivers, respectively, for transmission in dependence on the position as well as in a synchronised manner so that the optical path will always have the same orientation as the direction of movement. Moreover, means are provided for suppressing multiply transmitted data.

Abstract: A device for signal transmission between units which are movable relative to each other along predetermined paths comprises at least one transmitter associated with a first unit for generating electrical signals, at least one conductor arrangement associated with the first unit and connected to the transmitter for carrying the electrical signals along a course of the conductor arrangement extending substantially along a path of the movement, and at least one receiver associated with a second unit for decoupling electrical signals from the conductor arrangement. Means for balancing the electrical signals are provided along the course of the conductor arrangement for reducing interference radiation or susceptibility to interference.

Abstract: A device for transmitting information between at least two units mobile relative to each other comprises a light guide having a light-guiding medium, the optical properties of which can be changed by external electromagnetic fields. The light guided in this light guide is modulated by electromagnetic fields emitted by a movable probe.

Abstract: A device for transmitting optical signals between at least two units movable relative to each other comprises an adjustable attenuating member for achieving a system attenuation which is independent of the relative position of the units movable relative to each other.

Abstract: In a device of the invention for transmitting modulated optical signals between a first unit and a second unit, the first unit is supported to be rotatable relative to the second unit. The device comprises a light guide along a circular track on the first unit, a first light coupler for coupling light into or out of the light guide, and a second light coupler for coupling light into or out of the light guide and disposed on the second unit and movable relative to the means for guiding light. For an achievement of a high quality of transmission, a regulating means for the position of the coupling elements relative to the light guide, or a hydrodynamic bearing means is provided. An optical light-guiding fiber of the invention for conveying optical signals from an optical transmitter to an optical receiver has a light exit face and means for deflecting light emerging from the fiber in a direction that deviates from a longitudinal axis of the fiber.

Abstract: What is described here is a device for signal transmission between units mobile along predetermined paths. The device comprises at least one transmitter for generating electrical signals, at least one conductor array for conducting the electrical signals along the path of the movement, as well as at least one receiver for decoupling electrical signals from a conductor array. For an optimization of the signal transmission with a simultaneous reduction of the stray radiation or the interference sensitivity, respectively, the transmitter comprises means for controlling the amplitude of the transmitted signal.

Abstract: A device for signal transmission between units that are movable along given tracks comprises at least one transmitter for generating electrical signals, at least one conductor arrangement for conducting the electrical signals along a track of movement, and at least one receiver for coupling out electrical signals from a conductor arrangement. At least one conductor arrangement comprises at least one conductor structure for conducting electrical signals, an electric reference surface assigned thereto, and at least one dielectric between the conductor structure and the reference surface. A dielectric of the kind used has a high homogeneity, or a high symmetry with respect to the electrical center of the longitudinal axis of the conductor structure, or both.

Abstract: What is described here is a method of or a device for transferring optical signals. An optical conductor including a light-conducting core, which has at lest two parallel interfaces provided with coatings that result in a reflection of the light guided in the light-conducting core, comprises at least one means for coupling the emitter or the receiver, respectively, by diffraction, refraction or diffusion.

Abstract: What is described here is an arrangement for transmitting electrical signals and/or energy between parts that can be rotated relative to each other, whereof the part (transmitting part) on which the transmitter is disposed comprises at least two electrical conductors whose shape is adapted to the trajectory or path of movement and into which said transmitter feeds the signal to be transmitted in a symmetrical form, while the other part comprises the receiver (receiving part), The inventive arrangement excels itself by the combination of the following features: the conductors of said transmitting part are terminated in a largely reflection-free manner in the region opposite to said transmitter, the receiver is of a high-ohmic design and comprises conductors matched with the conductors of said transmitting part, which are not terminated in a reflection-free manner and which are coupled to the conductors on said transmitting part by galvanic, inductive and/or capacitive means.

Abstract: A device for transmitting digital optical signals between two units traveling relative to each other comprises a controller located on a transmitter side for controlling an issued data rate or package size of the digital signals, so that an optimum transmission is achieved by an adaptation to the transmission characteristics of a transmission path. An optional evaluation means located on a receiver side restores original signals so that a conversion remains concealed, but a substantially more reliable transmission is achieved.