Did You Know...
...that the video game, Pong, was invented by a guy who graduated at the bottom of his engineering class? Nolan Bushnell spent more time running the games at a local amusement park than he did on his studies at the University of Utah. His dreams of working for Disney's amusement empire were dashed when the company wouldn't hire him. Taking a boring job, Nolan daydreamed about electronic versions of popular games. He invented Pong, the first video game, and went on to found Atari Co.
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| Number | Title | Issue Date |
| 8183816 | Method for field-oriented operation to zero speed of an encoder-less asynchronous machine In a method for field-oriented operation to zero speed of an encoder-less asynchronous machine, wherein the associated field-oriented regulation device has a monitor with a machine model and rotation-speed adaptation, a model flux and a model current are calculated ... | 05/22/2012 |
| 8183193 | Liquid release agent A liquid release agent for application onto an edge region of a panel, in particular a furniture panel, provided or to be provided with a coating by means of adhesive or glue, includes a mineral oil having a viscosity in compliance with German Industrial Standard DI... | 05/22/2012 |
| 8181672 | Spiral-wound diaphragm bellows, and method of making such a diaphragm bellows A diaphragm bellows includes a spiral-wound, pre-profiled metal strip having neighboring turns which are connected by a continuous welding seam in an area of an outer diameter or inner diameter of the metal strip. Neighboring flanks of the metal strip enter a region... | 05/22/2012 |
| 8176806 | Two-axle drive system In a two-axle drive system (10) for holding and moving large sunlight-absorbing, concentrating or reflecting surfaces about an azimuth axis (14) and an elevation axis (15), in the case of which a first gear unit which is driven by a first drive ... | 05/15/2012 |
| 8175834 | Measurement system and method for monitoring the measurement system In a method for monitoring a measurement system having a transmitter which determines the position of a moveable element and has a transmitter clock, and an electrical energy store which, in the event of a failure of an external electrical supply voltage for the tra... | 05/08/2012 |
| 8172285 | Mounting system for attachment of a bumper covering The invention refers to a mounting system for attachment of a bumper covering at a motor vehicle body which includes a mounting strip, a guide profile and a locking slider which in mounted condition provides connection between the mounting strip and the guide profil... | 05/08/2012 |
| 8172025 | Safety device for a motor vehicle A safety device for a motor vehicle includes a deformation element which is arranged between a bumper beam and a side rail and moves into the side rail in the event of an impact. The deformation element is configured in the form of an evertable tubular member having... | 05/08/2012 |
| 8170703 | Method for controlling a plurality of production processes A method for controlling a plurality of production processes performed on a plurality of production machines is described, wherein order data regarding the production processes to be performed are inputted in a control unit which generates control instructions for t... | 05/01/2012 |
| 8167343 | Device for attachment of a bumper covering The invention concerns a device which is based on thermoplastic material for the attachment of a bumper covering at the body of a motor vehicle which includes a base body and a cover plate as well as a security pin for securing the cover plate; the base body and the... | 05/01/2012 |
| 8166792 | Method of making a seamless hot-finished steel pipe, and device for carrying out the method In a method of making a seamless hot-finished steel pipe a billet heated to a shaping temperature is pierced by a first shaping to a thick-walled hollow ingot which subsequently undergoes a radial forging process using an internal tool inserted in the hollow ingot a... | 05/01/2012 |
| 8165322 | Circuit for processing sound signals A circuit for processing sound signals includes an input amplifier for amplifying an input signal, wherein the amplified input signal is supplied to an output amplifier unchanged via a primary path configured as a bypass line and processed via one or several seconda... | 04/24/2012 |
| 8159099 | Stator having busbars for connection of the coils, and a corresponding method The aim of the invention is to increase the degree of automation in the production of an electrical machine. Particularly, the aim is to be able automate the connection of the coils of an electrical machine. For this purpose, provision is made for the coil ends (... | 04/17/2012 |
| 8157252 | Machine tool The invention relates to a machine tool, wherein the machine tool has a workpiece clamping device (10) for clamping a workpiece (9), wherein the workpiece clamping device (10) and in this way the workpiece (9) can be moved by means of a p... | 04/17/2012 |
| 8157182 | Vacuum handling device The invention relates to a vacuum handling device (46) for fixing or transporting work pieces (44) comprising a plurality of components, wherein at least one of the components is provided with an RFID tag (10) and the RFID tag is provided with a... | 04/17/2012 |
| 8156951 | Pocket umbrella comprising a handle cover and a support for the telescopic tube Disclosed is a folding umbrella that has an additional functionality such as an umbrella cover, in particular a compact pocket umbrella comprising a handle cover and support for the telescopic tube. The aim of the invention is to design a folding pocket umbrella tha... | 04/17/2012 |
| 8156685 | Greenhouse, greenhouse covering, filter system, lighting system, conducting system, use and feeder apparatus The invention proposes numerous aspects for improving greenhouses which may lead to durable improvement of the worldwide climate system. ... | 04/17/2012 |
| 8152210 | Bumper A bumper for a motor vehicle includes a lightweight cross member attachable transversely to the longitudinal rails of the motor vehicle frame. The cross member includes two longitudinal profiles which are displaceable relative to each other and support each other du... | 04/10/2012 |
| 8150545 | Position-dependent compliance compensation in a machine tool A method and a device for position-dependent compliance compensation in a machine tool is disclosed. The compliance of the machine tool is derived at a position of a tool of the machine tool from machine data stored in memory, a machining force acting on the tool du... | 04/03/2012 |
| 8148935 | Machine with flywheel-less buffer drive A machine has a basic body and a machine element. The machine element can be moved relative to the basic body by an electric working drive which is connected to an electric supply system via a working converter. An electric buffer drive is connected to the electric ... | 04/03/2012 |
| 8148930 | Control device for controlling a machine tool which can be used to drive tools A control device for controlling a machine tool which can be used to drive tools includes a memory for storing a movement limit value which is respectively assigned to the tools and is specific to the respective tool. A desired value generating unit generates desire... | 04/03/2012 |
| 8146986 | Dashboard support, and method of making a dashboard support A dashboard support for a motor vehicle includes a tubular cross member for installation between A-pillars of a vehicle body, and a holder joined to the cross member for attachment of functional vehicle components. The cross member has at least one slot, oriented in... | 04/03/2012 |
| 8143980 | Switching device A switching device, for example a circuit breaker, has an input terminal and an output terminal for connection to electrical conductors, and two switching contacts which, when closed, close a current path between the input terminal and the output terminal. A disconn... | 03/27/2012 |
| 8138632 | Control method for redundant use in the event of a fault in a polyphase converter with distributed energy stores The invention relates to a method for controlling a power converter having at least two phase modules, which each have an upper and a lower valve branch, each having at least three series-connected two-pole subsystems, in the event of failure of at least one subsyst... | 03/20/2012 |
| 8134273 | Electrical machine with skew-running magnet pole boundaries According to the invention, the torque ripple of electrical machines is supposed to be further reduced. For this purpose, it is provided to dispose the magnetic poles, for example, on the surface of a rotor in a plurality of sections (A1, A2) at differ... | 03/13/2012 |
| 8134070 | Busbar pack The invention relates to a busbar pack comprising n busbars (2) and at least n−1 insulating bars (4) the surfaces of which project beyond the busbars (2), one insulating bar (4) being interposed between two busbars (2), said stac... | 03/13/2012 |
| 8132335 | Apparatus for checking the accuracy of a circular path of a machine tool performed by a work spindle and/or a machine table An apparatus for checking the accuracy of a circular path of a work spindle or a machine table, in particular an NC-controlled machine tool, includes a clamping element coaxial with the work spindle, a first rotary bearing disposed on the clamping element and coaxia... | 03/13/2012 |
| 8130523 | Method and apparatus for setting a feedback power of a fundamental frequency clocked converter A method and an apparatus for setting a feedback power of a converter clocked at a fundamental frequency on the power supply side are disclosed. The converter includes a bridge circuit equipped with controllable semiconductor switches, wherein the semiconductor swit... | 03/06/2012 |
| 8128525 | Epicyclic gearbox for a wind power installation A first planet stage of an epicyclic gearbox revolves in a gearbox housing and includes a planet support having two interconnected side pieces. Planet gears are borne in the planet support via planet gear bearings and engage a central sun gear shaft and a hollow gea... | 03/06/2012 |
| 8127959 | Closing device for a filler neck disposed on a container The invention relates to a closing device for a filler neck situated on a container, in particular for a container situated on a rail or road vehicle, which may be supplied to a loading station for loading with powdered or granular bulk goods. At least one filler ne... | 03/06/2012 |
| 8126671 | Measurement system and method for monitoring a measurement system A measurement system has a transmitter for determining the position of a movable element, and a first energy store which, in the event of failure of an external electrical supply unit of the transmitter, supplies at least a part of the transmitter with electrical po... | 02/28/2012 |
| 8123989 | Method and device for controlling a linear motion axis The invention relates to a method and device for controlling a linear motion axis, particularly of the injection screw (43) or a melt piston for an injection molding machine. Said device comprises a hydraulically driven piston (45) having a piston cham... | 02/28/2012 |
| 8122835 | Undercarriage for a rail vehicle An undercarriage (1) for a rail vehicle has an undercarriage frame (2) comprising two longitudinal supports (3) and at least one transverse support (4) connected thereto. The undercarriage has at least two wheelsets (7) supported i... | 02/28/2012 |
| 8120219 | Transmitter cover with mounting ring The production costs of electrical machines are to be reduced. To this end, it should be possible to use standard transmitters for different axis heights of the electrical machine. The invention therefore provides a transmitter cover for an electrical machine, havin... | 02/21/2012 |
| 8116108 | Method for operating a converter and corresponding apparatus A method for operating a line-side fundamental-frequency-clocked converter is disclosed. The converters has a bridge circuit with, for example three, upper and, for example three, lower semiconductor switches, which are connected to respective positive and negative ... | 02/14/2012 |
| 8115426 | Method and apparatus for connecting a photovoltaic system to a power grid An apparatus and a method for preparing connection of a photovoltaic system (Q1) as a first energy source to a power grid (13) by way of a motor generator set (5, 6, 7) is presented. The DC motor (5) is coupled to a three-phase generator ... | 02/14/2012 |
| 8115360 | Electric machine with stepped winding structure An electric machine for direct drive or braking applications with coils providing improved power efficiency and heat transfer is disclosed. The electric machine has a coil body and a winding with a plurality of turns wound on the coil body. Each of the various turns... | 02/14/2012 |
| 8115347 | Electrical machine having plastic-sheathed pole teeth, and a corresponding method The production effort for electrical machines with pole teeth which are fitted with permanent magnets is intended to be reduced. A permanent magnet is inserted between two pole teeth halves (1, 2) for this purpose. The two halves (1, 2) are connected t... | 02/14/2012 |
| 8115129 | Switching device A switching device has an input terminal and an output terminal for connection to electrical conductors, and two switching contacts which, when closed, close a current path between the input terminal and the output terminal. A disconnect device for disconnecting the... | 02/14/2012 |
| 8113486 | Component-feed nozzle with pressure relief A component-feed nozzle for a reaction-mixing head of a reaction injection device includes a housing having a component inlet and a component outlet. Received in the housing is a closing and flow restriction member which is movable by a linear drive between at least... | 02/14/2012 |
| 8103972 | Operator control unit and method for assigning an on-screen display to a softkey button A method and operator control unit is disclosed that uses a screen, softkey buttons and an operating button. If, after a first on-screen display is invoked by briefly pressing a softkey button, the operating button is then pressed while that first on-screen display ... | 01/24/2012 |
