Abstract: A grid assembly, and method for use in manufacturing a grid reinforced concrete deck, including a plurality of longitudinally extending main beams in parallel spaced relation, each of the main beams having a plurality of longitudinally spaced slots therein and a central flange thereon, a plurality of cross bars adapted to be inserted through the aligned slots and rotated into an upright position, a form pan extending between two adjacent main beams and having a first and a second side portion adapted to rest on the central flange of the two adjacent main beams, respectively, wherein the form pan includes at least a first ridge extending upwardly thereon, the first ridge having a height which enables a lower edge of the cross bars to come into contact therewith when in the upright position, wherein the contact causes a downward force on the first ridge which mechanically locks the form pan between the cross bars and the flange on the adjacent main beams.

Abstract: An integrated circuit (IC) includes a device (10) that adapts the impedance to the characteristic impedance (Zc) of transmission lines (13) each connecting a transmitter (11) to a receiver (12). Two adaptation blocks (14, 15) reproduce the respective structures of the transmitters (11) and receivers (12) and their impedance is adapted by a reference resistor (Rr). A closed loop control device (Len, Lep, Lrn, Lrp) reproduces the adaptation conditions in the transmitters (11) and receivers (12) respectively.

Abstract: A mobile, transportable ground level skydiving simulator apparatus is provided that includes a collapsible air containment unit for directing air upwardly therethrough to enable a user or users to be supported by the airstream in simulating skydiving activities. The air containment unit is provided on a movable platform, such as a flatbed trailer, with all or substantially all components of the apparatus being mounted thereon or capable of being stored thereon in transit. The various elements, but in particular the air containment unit, are of a design that enables quick and efficient breakdown or disassembly of the components for transport with the apparatus on roads and highways, and which enables quick and efficient assembly of the components into an operable structure at successive locations.

Abstract: The method of computing the reverse image of the transition function .DELTA.(.delta., .delta.') of a product finite state machine (PFSM): .DELTA..sup.-1 (E.sub.n-1) from the set of n-1 equivalent states comprises the steps of (a) constructing in a canonical way, from the BDD of the graph of the equivalence relation E.sub.n-1, the BDD of the graph of a total function from S into S, named cross-section and denoted C(E.sub.n-1), (b) constructing from the cross-section and vector .delta. a new vector .delta..sup.n-1 =C(E.sub.n-1)o .delta., and (c) computing the equivalent pairs of states with respect to the vector .delta..sup.n-1 to have the pairs of (.A-inverted.x.DELTA..sup.-1 (E.sub.n-1).

Abstract: A gamma camera has a base fixed to a frame along a substantially horizontal axis of rotation called the axis of rotation of the gamma camera, bearing at least one arm that is substantially parallel to the axis of rotation and provided, at its free end, with a detector head. The arm is rotationally movable about an axis called an axis of angulation of the detector head, substantially parallel to the axis of rotation of the gamma camera, and passing through the position at which said arm is fixed to the base. In one embodiment, the axis of angulation of the detector head is offset with respect to an axis of orientation of the head toward the head detection surface and passes substantially through the center of gravity formed by the arm and the head. In another embodiment, the end of the arm holding the head has a two-finger gripping piece with bevelled ends.

Abstract: A ground support structure and a base system are provided in which the ground support structure is configured to have a recessed area disposed inside a peripheral rim, into which a base or a drag plate may be inserted and fastened. The associated base has a principal lower surface and a ground support-engaging lower protrusion that has a fastener corresponding to at least one fastener on an athletic device mounting surface disposed in the recess of the ground support structure. The drag plate is configured to substantially fill the entire area of the recess, and to provide an upper planar surface that is essentially flush with the peripheral rim on the ground support structure.

Abstract: A system architecture for enabling remote control of an application, including a first service processor connected via a network and a maintenance unit with channels (40) connected to a central system (4), in which the service processor (1) is connected via a service console switch (30) to a maintenance service console (RMS 6), and to a remote service console (RSC 5), wherein each service processor and each console further includes operating system programs, a supervisor program, and at least one service broken down into two applications, one called the "body", comprising the program algorithm, and the other, "presentation", including the interface with the user enabling a windows-type display with a menu bar.

Abstract: A liquid fertilizer injection system is provided that includes a single coulter blade mounted on a support arm extending from a bracket which is adapted to be pivotally coupled to an attachment apparatus which attaches the system to a propulsion means. A spray arm is adapted at one end is attached to the support arm and is adjustable in the up and down direction by means of a slot bracket. A second end of the spray arm is attached to a spray nozzle which is adapted to receive a flexible tube. The flexible tube transfers, to the nozzle, liquid fertilizer, under pressure, from a liquid reservoir via a pump. The system further includes a tension spring assembly which provides a down-force, determined by the user, to the coulter assembly, while isolating the system from the propulsion means, thereby preventing lifting of a planter or seeder to which the system is connected off of the ground.

Abstract: The subject of the invention is an integrated delay circuit (10), including two amplifiers (11a, 11b), furnishing different delays, and having a common input, and a control block (12) connected to two terminals of the two amplifiers, respectively, in order to vary the phase offset between the two amplifiers. This circuit is integrated into a III-V semiconductor, such as gallium arsenide.

Abstract: Repeat fixation for medical procedures is accomplished using a non-invasive locator, specifically a bite plate. The bite plate has at least three fiducial markers on it. The fiducial markers may be LEDs, radiopaque markers for angiography or computerized tomography (CT) imaging or magnetic resonance markers for magnetic resonance (MR) imaging. By detecting the position of the markers, the position of features within the patient (such as a brain tumor or other intracranial target to which radiation is to be applied) can be determined with great precision. Since the bite plate has been molded to uniquely fit to the patient's teeth, it may be removed after an initial imaging of the patient. The bite plate may then be re-attached one or more times to the teeth and the location of the features will be in a known position relative to the sensed markers.

Abstract: An improved double row tapered bearing assembly for use on rail cars employs a shortened journal in combination with a seal wear ring having an inner surface in interference fitting relation with the journal and an outer surface having a diameter at least equal to the mean diameter of the inner raceways. The wear ring and backing ring cooperate to provide an increased journal and bearing assembly section modulus and rigidity to thereby reduce flexing and the consequent journal fretting and component end face wear.

Abstract: A non-destructive testing equipment comprises a magnetic field generator for generating a uniform magnetic field, and a magnetic sensor accommodated in a thermal insulation container and filled with a liquid nitrogen. The thermal insulation container is located within a magnetic shield container having an opening. The magnetic sensor includes a SQUID that is a magnetic sensor having very high sensitivity. The magnetic sensor can detect, through the opening, an appreciable variation of the magnetic field that is caused by small impurities or minor defects contained in the object to be tested.

Abstract: A pharmaceutical composition suitable for the treatment of a condition selected from the group consisting of cardiovascular disease, cerebrovascular disease, Alzheimer's disease, depression or combinations thereof comprising various mixtures of the aqueous extracts of tissue of specific Chinese plants and herbs. A method of preparing the pharmaceutical compositions of the invention and a method for treating a patient therewith are also disclosed.

Abstract: A guide wheel apparatus and vehicle typically used in railroad applications, using the apparatus has a double overcenter linkage arrangement to secure rail wheels in both road and rail positions for respectively traveling on roads and rails. An electric motor is coupled to the linkage by way of a planetary gear train.

Abstract: An apparatus and associated method provides for the application of a cell treatment agent, such as genetic material or drugs to be inserted within the cells of a patient in vivo. The apparatus may be a catheter arrangement with various embodiments for applying heat to a patient's cells in vivo in order to improve transfection efficiency or application efficiency. Laser beams may be applied directly to the cells. Alternately, the cells may be heated by electrical heating, chemical heating, radio frequency heating, microwave heating, infrared heating, ultrasound heating, or indirect laser heating. Further, the treatment agent may be heated prior to its application to the patient such that the treatment agent heats the cells of the patient.

Abstract: A tamping vehicle uses a split tool mechanical vibrator having corresponding front and back vibrator units powered by a single motor. Sprockets and a synchronous sprocket belt drive front and back units to vibrate 180 degrees out of phase. A lubricant carrying belt carries oil to the top of a housing for lubricating and cooling various moving parts. Squeeze cylinders are used to move tamping tools to squeeze in positions by rotating the tamping tools about the same axes as rotation of vibration inducing shafts. Independently liftable gauge and field side tamping assemblies allow use at railroad switches and other locations where narrow width tamping is needed. A tamping tool provides easy connection to a tamping tool holder in such a way that two tamping tools may be mounted to one tool holder.

Abstract: A buffer memory management method for a buffer memory consisting of a set (14) of buffers (15), using a list of buffers arranged by order of least recent use (LRU). The method comprises, when a buffer (15) is referenced, classifying the buffer according to its position (p) relative to a threshold list position (t). The threshold position is advantageously defined according to the current buffer access hit rate. The method is suitable for operating the buffer memory with concurrent local and non-local processing.

Abstract: A railroad ballast broom vehicle uses a double or split auger to move ballast received from a rotary core broom. The auger has various features to minimize the risk of it jamming on ballast which it moves to the field side of rails of the railroad bed which is being swept. Flex plates are used to mount broom drive hydraulic motors to minimize or avoid problems which might otherwise be caused by slight misalignments in the motors and the rotary core of the broom. A dust control system is used to minimize escape of dust from operation of the vehicle. A method of using the vehicle advantageously uses only a single pass of the vehicle over a given section of road bed in need of sweeping.

Abstract: A press brake safety apparatus for use on a press brake (10) of the kind having a moving blade (18) having a leading edge (36) and a platform (38) against which an item (42) may be pressed, the safety apparatus comprising at least one beam (26) of light mounted at a level marginally forward of and substantially parallel to the leading edge (36) so as to move with the blade (18), the interruption of the or each beam (26) causing the movement of the blade (18) to stop and thereby halting operation of the press brake (10) without the leading edge (36) contacting the item (42).