Abstract: An electron-beam tube with an electron collector for an electron-beam entering the electron collector in an electron-beam direction. A plurality of large-area projections are provided for heat radiation including a funnel-shaped projection expanding in the electron-beam direction. The funnel-shaped projection includes a smaller opening which is one of directly and indirectly fastened to the collector and including an upstream projection including a surface which is first with respect to the electron-beam direction, the surface facing the arriving electron-beam and the surface being provided with low heat radiation properties. All other surfaces of the plurality of projections having high heat radiation properties higher than the low heat radiation properties. The collector and the plurality of projections being supported by a satellite as a travelling-wave tube with the electron collector radiating into space.

Abstract: A process providing a cathode coil made of tungsten and fastening it to molybdenum straps by brazing with platinum by supplying thermal energy in a punctiform manner.

Abstract: A rotor for an electric motor includes a rotor lamina stack defining a throughgoing opening and having opposite end faces; and a rotor shaft which is composed of three parts: a central shaft portion received in the central opening and having first and second ends projecting from the rotor lamina stack beyond the respective opposite end faces; a first separate shaft stub received on the first end of the central shaft portion; and a second separate shaft stub received on the second end of the central shaft portion.

Abstract: To set defined final temperatures of a regenerative gas refrigerating machine, it is suggested that a control gas with defined partial pressure be added to the working gas as a heat exchange medium in the circuit.

Abstract: A brush bridge assembly for an electric motor an electrically insulating carrier body having a base plate having opposite inner and outer surfaces and a generally circular perimeter; and a cylindrical side wall extending axially from the perimeter of the base plate. The brush bridge assembly further has a plurality of brush guides supported on the inner surface of the base plate; a carbon brush supported in each brush guide for a radial displacement relative to a central axis of the carrier body; a spring connected to each carbon brush for urging the carbon brush radially inwardly; supporting elements mounted on the inner surface of the base plate in a uniform distribution; heat generating electric components and fixed contact terminals held in the supporting elements.

Abstract: An axial blower has a blower motor and a blower wheel. The blower motor includes a motor shaft; a motor housing; a front and a rear bearing cover attached to the motor housing; ventilating openings provided in the front bearing cover; and air outlet openings provided in the rear bearing cover. The blower wheel includes a hollow hub surrounding the rear side of the motor housing; a plurality of impellers affixed to the exterior of the hub and projecting therefrom; a plurality of vane-like ribs carried by the hub at the interior thereof for generating a cooling air stream flowing between the hub and the motor housing; a bell-shaped part forming an axial continuation of the hub and surrounding the front side of the motor housing, a bottom portion, a central opening in the bottom portion and a plurality of ventilating openings provided in the bottom portion. The ventilating openings are arranged in a circular array concentrically with the central opening.

Abstract: An apparatus for transferring small goods from a main conveyor belt onto a branch-off conveyor belt, the apparatus including a pivotal lateral guide perpendicular to the conveyor belt. The main conveyor belt as well as the beginning of the branch-off conveyor belt are provided with a pivotal module, with each module including two lateral conveyor belts that are perpendicular to the conveyor belt and the lateral conveyor belts of the pivotal module of the main conveyor belt have the same length while the lateral conveyor belts of the pivotal module of the branch-off conveyor belt have different lengths, with the difference in length corresponding to the offset of the lateral conveyor belts of the main conveyor belt in the pivoted-out state.

Abstract: In an apparatus for evaluating and controlling the driving state of a traveling wave motor composed of a stator equipped with an elastic vibrating body and an excitation system composed of a plurality of segments and generating ultrasound vibrations as well as a rotor that is in contact under pressure with the stator in a surface region and is equipped with a sensor device that is disposed at the vibrating body or at the excitation system, the signals of the sensor device are fed to the regulating circuit of an evaluation and control unit for controlling the excitation system. The sensor device includes at least two sensor surfaces which are attached to the vibrating body or to the excitation system and the signals corresponding to the sensor surfaces are fed separately to the evaluation and control unit.

Abstract: A modular conveyor system for the conveyance and distribution of individual items or continuous materials by means of conveyors and in particular conveyor belts. The conveyor system includes two or more conveyor modules mounted one after the other or aligned on a base frame, with each conveyor module having a rack on which a floor belt and two lateral guide belts are mounted. The rack of each conveyor module is mounted so that it can be moved relative to the base and to the other conveyor modules to discharge material from the respective conveyor module. An intermediate member is provided between each two adjacent conveyor modules and abuts each of the adjacent conveyor modules to provide a continuous conveyor path between adjacent conveyor modules.

Abstract: A circuit array for frequency translation by means of quadrature heterodyne signals has very low quadrature errors even at very high frequencies and is monolithically integratable with little external circuitry. The circuit array includes a first mixer which receives a first portion of an input signal, a second mixer which receives a second portion of the input signal, and a heterodyne signal generator which receives a local oscillator signal and supplies quadrature heterodyne signals to the mixers. The heterodyne signal generator includes a control loop to ensure a 90.degree. phase shift between the quadrature heterodyne signals. The circuit array can be used in a modulator for a transmitter or in a demodulator for a receiver.

Abstract: A stacking device for letters or similar flat, flexible articles to be transported employing a plurality of stacking compartments to which the articles are supplied by way of switches separately associated with the individual compartments and in which the articles are stacked next to one another. A transporting roller and a stacking roller for engaging a side surface of the incoming article and a contact surface for engaging a bottom edge of the article are provided to guide the article in a transporting direction. To avoid congestion of successive articles, an additional conveying device is provided which urges the lower edge of each incoming article in the direction of the stack. The additional conveying device is a pressure roller disposed sufficiently below the contact surface of the incoming articles that part of the upper roller circumference engages the lower edge of the respective incoming article.

Abstract: In a high-energy battery with a plurality of individual cells in a housing through which a coolant flows, it is suggested that the coolant be guided such that it thermally affects only one or both end faces of the cells.

Abstract: A method of operating a magnetically driven vibrating conveyor under different conveying loads with a constant excitation frequency. The natural frequency of the conveyor is set without a conveying load so that with a load the natural frequency of the conveyor approaches the operating frequency of the conveyor with increasing attenuation and, with a maximum load of material to be conveyed, the natural frequency of the conveyor is approximately equal to the excitation frequency of the dual mass vibratory system. Additionally, the vibration amplitude of the dual masses of the magnetic drive is regulated to a predetermined value.

Abstract: A method of providing an amorphous carbon cover layer on an electrophotographic recording material, including the steps of (a) providing a substrate which is an electrophotographic recording material, (b) maintaining the substrate in an atmosphere comprised of argon, hydrogen, and C.sub.2 F.sub.6, and (c) simultaneously with step (b), depositing amorphous fluorinated, hydrogenated carbon on the substrate by direct current magnetron cathode sputtering of glasslike carbon to provide an amorphous carbon cover layer which is transparent, hydrophobic, and has a Vickers hardness of greater than 2000.

Abstract: A method of decoding coded image data, preferably coded according to CCITT Recommendsation H. 261, wherein the data stream is continuously monitored for transmission errors by utilizing the residual redundancy of the data stream, and pixel values reconstructed after the detection of a transmission error are not entered into the predicted-image memory until a subsequent starting code word for a frame or field has appeared.

Abstract: An electrical device including a glass substrate, an intrgrated circuit chip, an electrical device and electrical conductor paths applied to the surface of the glass substrate and connected to electrical terminals of the integrated circuit chip and the electrical device. The conductor paths are divided into supply conductor paths for supplying voltage to the integrated circuit chip and actuation conductor paths for actuating the electronic device. The actuation conductor paths are composed of layers of indium tin oxide deposited on the glass surface and the supply conductor paths are composed of metal films glued on the glass surface.

Abstract: An electronic contactor controller circuit able to handle high currents and voltages includes an integrated circuit power circuit switch which provides a measuring output signal representative of the load current to an operational amplifier current to voltage convertor. The output voltage of the operational amplifier is provided to an input of a comparator, and at least one reference voltage, from reference voltage generating circuitry, is provided to the other input of the comparator. The comparator outputs a signal to control a timer circuit, which in turn controls the current switch.

Abstract: A device for stacking flat objects directly into a container. The container includes a movable bottom which constitutes the stack bottom during a stacking process.

Abstract: The invention relates to a method in particular for manufacturing bipolar transistors. By applying selective epitaxy methods and by using self-adjusting techniques, the process sequence is shortened and the transistor properties are improved.

Abstract: A printing unit for providing ink imprints includes a printing member and an inking assembly supplying ink to the printing member. The inking assembly comprises an ink reservoir; an endless flexible ink carrying element; a support for positioning the element such that a first part of the element extends into the ink reservoir and a second part of the element is situated externally of the ink reservoir; a drive for circulating the element, whereby the element carries ink out of the reservoir; and an element-contacting roller having a cylindrical surface positioned to be in contact with the second part of the element for receiving ink therefrom.