Abstract: A forcible entry tool for gaining access to a secured structure includes a a hollow elongated housing defining an interior chamber therein. The hollow elongated housing has an operative end adapted to manually seat the forcible entry tool. A force arm is disposed substantially within the interior chamber and includes an impact head adapted to impact the secured structure. A force arm drive displaces the force arm at a high velocity to impact the secured structure.

Abstract: A method is described for producing a cylindrical hollow body from a blank, with the workpiece being opened in the core region by successive swaging which is angularly offset against each other about the axis of the workpiece and being simultaneously pushed onto a piercing mandrel. In order to improve the piercing it is proposed that the workpiece is pressed during the swaging with a predeterminable axial force against the piercing mandrel which can be advanced against the workpiece against this axial force, which piercing mandrel is moved back to its initial position synchronous with the axial feed of the workpiece between the successive swaging steps.

Abstract: In a connector adapted to be connected to a mating object in a first direction, a plurality of contacts arranged in a second direction intersecting the first direction. Each of the contacts includes a contacting portion to be contacted with a mating object and an intermediate portion between the contacting portion and a terminal portion. The contacts includes a plurality of paired signal contacts and a plurality of ground contacts. A combination of the paired signal contacts in one of the rows and the ground contact in the other row forms a first set. A combination of the paired signal contacts in the other row and the ground contact in the one row forms a second set. Adjacent ones of the intermediate portions in the first and the second sets are shifted in position from each other in the first direction.

Abstract: An electrical connection member includes a base sheet, an insulating first elastic body arranged on one surface of the base sheet, and an insulating film having a first part 31a arranged on the first elastic body. The first part 31a has a first contact point for contact with a first object to be connected. The first elastic body has a plurality of first protrusions protruding toward the first contact point.

Abstract: In a sensing device for detecting the distance of a vehicle or work device from structures that can be sensed mechanically, in particular plant stands, plant rows, soil structures, ploughing furrows or the like, with a rod-shaped, resilient sensing feeler which has a freely movable sensing end and at a distance therefrom is fixed rigidly to a housing, and an electrical measuring system which detects a change in location of the sensing end in respect of the holder and generates a measuring signal dependent on the change in location, the sensing feeler has at a distance from its fixing location a permanent magnet whose magnetic field is detected by a field-sensitive sensor with a fixed location in respect of the fixing location of the sensing feeler, which sensor generates an electrical signal dependent on the distance between the permanent magnet and the sensor.

Abstract: A signal simulation device for testing and developing radio receivers adapted to orientate antenna beams to different radio transmitters and to simultaneously suppress interference signals, comprises an antenna array, a signal generator generating reproducible digital signals in the complex baseband, and a digital matrix processor combined and synchronized with the signal generator. The processor has input signals generated by the signal generator and has output signals that form received signals of the antenna array. The input signals of the matrix processor are phase shifted according to a direction of incidence and to relative positions of the elements within the antenna array of the radio receiver, and are combined and supplied to outputs of the matrix processor. Amplitude and phase shift are simulated by weighting of the input signals from the signal generator, the weighting coefficients being calculated on a control computer and input into the matrix processor via an interface.

Abstract: The invention relates to an oil scraper ring groove ring arrangement for pistons of internal combustion engines. The inventive arrangement comprises a disk that is provided with parallel flanks and a bearing surface having an asymmetrical crowned form with a vertex line extended over the periphery of the disc, with the disk being arranged in a ring groove of the piston with a ring groove side opposing the piston head and a ring groove side facing the piston head. The aim of the invention is to achieve an improved oil scraping action compared to that of prior art, while reducing the friction and the abrasion in such a way that it is radially outwardly inclined to the outer diameter of the piston, the bearing surface of the disk being embodied in such a way that it corresponds to an almost worn end contour in the started engine state, and, when the oil scraper ring is mounted in the piston, the vertex line of the bearing surface is oriented in the direction of the ring groove side opposing the piston head.

Abstract: The invention relates to a connecting device (1) between a boot (2) and a board-like type of sports equipment (3), in particular a ski binding. The connecting device comprises a toe or front binding fixture (5) that can be associated with the tip (4) of the boot, and a heel or rear binding fixture (7) that can be associated with the heel area (6) the boot (2). The binding fixtures each have a sole holder (8,9) for engaging the boot (2). The boot is clamped between the sole holders with a pre-tensioning force that is applicable via a pre-tensioning spring (11).

Abstract: The invention relates to a method of dividing the power of an input electromagnetic signal into two equal-power signals with a relative phase difference of 180° between them and an equal propagation delay. The inventive method makes use of a photonic crystal coupler comprising two parallel guides which are disposed close to one another and which are based on coupled cavities. The method consists in exciting the odd mode of the coupler which, owing to the symmetry thereof, ensures that the field maxima coincide in one guide with the minima in the adjacent guide, thereby producing a relative phase difference of 180°. The two output signals are obtained through the spatial separation of the guides forming the coupler, making use of the property possessed by guides in photonic crystals for high transmission efficiency through very tight curves. In this way, the size of the structure can be reduced considerably. The inventive method can be used for both two-dimensional and three-dimensional photonic crystals.

Abstract: An electrical connector device can be formed to be substantially fluid tight. This device can comprise a body having teeth and an optional insert having two sides with at least two sets of teeth wherein a first set of teeth is disposed on a first side of the insert, and a second set of teeth are disposed on a second side of the insert. The first set of teeth are for mating with the teeth on the body to form a substantially sealed connection between the insert and the body. There can also be a sealing nut for securing over the insert and the body, wherein the sealing nut includes a set of teeth wherein when the sealing nut is screwed down onto the body, the set of teeth on the sealing nut mate with the second set of teeth on the insert to form a substantially sealed connection between the sealing nut and the insert. The spacer then keeps each of these soldered wires separate from each other.

Abstract: A camshaft has contrarotating cams for automotive engines, in which an inside shaft and an outside shaft are arranged concentrically so they are contrarotating, at least one cam has at least one main cam element that can be placed radially on the outside shaft and is supported there so it can rotate. The main cam element is connected to the inside shaft in a manner that is rotationally locked via a fastener passing through a recess in the outside shaft. Further features include a fastener, a main cam element and a locking means. The fastening of the main cam element to the inside shaft is provided by widening the outside diameter of the fastener by the locking means with a resulting tightly seated connection between the fastener and the inside shaft, and the fastener and the locking means.

Abstract: A connector configured to mate with a corresponding connector. The connector comprises a conductive shell, a housing and a plurality of terminals. The conductive shell comprises an elastic portion and a plate portion having an opening. The plate portion is configured to define a first region and a second region and arranged between the first region and the second region. The elastic portion comprises a first bend section arranged on the plate portion, a second bend section arranged in the first region, a contact section arranged in the second region, a first piece extending between the first bend section and the second bend section and a second piece extending between the second bend section and the contact section through the opening. The housing is arranged in the first region. The plurality of terminals is retained by the housing.

Abstract: A method for producing a gate head which can be precisely scaled and for reducing parasitic capacities, for a semiconductor component comprising an at least approximately T-shaped electrode.

Abstract: The laser beam (204) violates the foil layer (203) in an upper part region (203b) whereas this remains intact in a lower part region (203a). During the production of lines of weakening by laser action the degree of foil weakening can be controlled substantially more accurately than in conventional punching and cutting processes to produce lines of weakening. The composite foil (201) is sufficiently tear-resistant during application that it can be dispensed without any problem onto an object to be stuck without tears or any risk of destruction. As soon as the adhesive (202) develops its effect however, the foil structure can no longer be removed without any residue: the violation of the foil layer (203) has the effect that the self-adhesive composite tears off uncontrollably without fail during a manipulation attempt. This thus ensures extremely high security of the foil structure (201) or of a label formed therefrom against undesirable manipulation.

Abstract: An antenna array for RFID antennas for large cohesive detection spaces, having an operating frequency between 100 kHz and 30 MHz. This antenna array can be connected with at least one reader. There can be at least one antenna consisting of an antenna loop having at least one winding. The antenna array can include at least two antennas that are disposed in a plane, in such a manner that the antenna loops of the individual antennas overlap. With this design, at least one multiplexer can be disposed between the at least one reader and the antennas of the antenna array, for selected activation of the antennas.

Abstract: A cycling device comprising a frame a plurality of pedals a plurality of wheels coupled to said frame, and a harness coupled to said frame wherein the harness allows a user to be coupled to said frame. In this case there can be for example, two driven wheels which are driven by the pedals and a non-driven guide wheel as well.

Abstract: The invention relates to a sports boot (1) for walking or cross-country skiing, with a flexible shaft (2) receiving the foot, and a reinforcement (5) surrounding the shaft (2) on its external side by sections and being connected with the outsole (3). The shaft (2) is formed in this connection by a cushioned inner boot (6), and a coat (8) of fabric o some other material compatible with the skin. The reinforcement (5) is formed by a latticed or net-like support structure (12) for the inner boot (6), and composed of flexible ribbon elements (13) having, however, the highest possible tensile strength, and being made of plastic or textiles, said ribbon elements resting against external part sections of the inner boot (6), or surrounding the inner boot (6) on its external side within part sections. In this connection, the latticed or net-like support structure (12) is variable with respect to its delimiting or receiving volume as required by means of a lacing system (14).

Abstract: Described is a reader device for contactless reading of transponder data via an electromagnetic field having a read antenna connected to a receiving circuit for demodulation and preparation of transponder data. The reader device includes a digital signal processor that is connected to or forms part of the receiving circuit for generating a display signal showing an amplitude-time curve and/or a frequency spectrum of the received signals. The display signal travels via a display signal output of the digital signal processor to an optical display device integrated in the reader device or via an integrated interface to an external optical display device.