Abstract: Disclosed is separation of the compressional and shear components of the wavefield measured in 3-component vertical seismic profiling. The separation involves working in the zx plane defined by the borehole axis (z) and the surface seismic source, and in successive and overlapping windows each defined by (i) a depth interval centered at the depth level currently being processed and including several depth levels above and below and (ii) a time interval sufficiently long to include the receipt of the relevant seismic energy by the geophones.

Abstract: An apparatus for reading an image information of a colored original including an original supporting member, an optical system and a reading device for reading out the image information separated in at least two colors and for converting the optical information into the electric output. A standard reflection member for white balance is arranged within an illuminating range of the original supporting member and outside of an effective range for reading out of the original. Output levels of electric circuits for each separated colors are compensated dependent on electric outputs of the reading device regarding to the image information for separated colors of the light reflected from the standard reflection member.

Abstract: A multiaccess communications system for a communications network in which a plurality of nodes are connected to a head end by a common transmission path to perform wideband transmission of packets between the nodes, particularly a multiaccess communications system such as a carrier sensing multiaccess (CSMA) system or a collision sensing CSMA (CSMA/CD) system. A single transmission cable or a pair of transmission cables are efficiently shared by various channels. Each of the nodes is provided with a transceiver in association with the cable or the cables. All the channels are effectively utilized by means of a relatively simple system construction.

Abstract: A fringe scanning shearing interferometer includes a converter lens for converting a wavefront reflected by an object under test illuminated with light into an approximately parallel wavefront, a beam splitter for dividing the approximately parallel wavefront into first and second wavefronts travelling in two directions, a pair of first and second prisms disposed respectively adjacent to the beam splitter in equally spaced relation thereto, a displacement mechanism for displacing the first prism in a direction normal to the direction in which the first wavefront falls on the first prism, a shearing device for slightly displacing the second prism in the same direction as that in which the second wavefront falls on the second prism, a photodetector, and a focusing lens for focusing the first and second wavefronts having passed respectively through the first and second prism, on the photodetector to produce interference fringes thereon.

Abstract: Disclosed are a system and a method useful in fields such as architecture, space planning, interior design and corporate facility management, for efficiently designing and allocating space to the various subdivisions of an organization. Manipulation of colors is used in addition to numerical values to allow the user to determine at a glance the relative priorities of various departments and the affinities between pairs of departments at various stages of the space allocation process, and thereby speed the process and reduce the chance for errors.

Abstract: For slidably mounting a panel such as a door on a railed track, a roller assembly including a roller having a peripheral groove for sliding on the track rail, housing structure for mounting the roller in the panel, and a rigid metal stabilizer element carried by the housing structure and having a grooved or notched extremity for overlying the rail, in tandem relation to the roller, to prevent derailment of the roller. The stabilizer element is vertically slidable in the housing structure so as to ride smoothly along the rail, accommodating local irregularities or variations in rail height.

Abstract: Disclosed are x-ray machines using fan-beams of x-rays to examine sectional slices of patients and to form detailed x-ray pictures of such slices, and methods of so examining patient slices. A source of a fan-beam of x-radiation, and a system detecting the radiation after it passes through a slice of the patient, rotate around the patient.

Abstract: A process for producing Al-Mg-Si alloy sheet in T8 temper, including the steps of providing a sheet article of an intermediate gauge, solution heat treating the article, naturally aging the article for at least one day, cold rolling the article to final gauge, and artificially aging it, wherein the artificial aging step is performed by heating the cold rolled sheet at final gauge to a predetermined temperature for a time shorter than that at which maximum yield strength would be achieved. The intermediate gauge is selected such that a reduction between about 25% and about 71% therefrom is required to achieve the final gauge. The T8 sheet is characterized by strength and formability properties suitable for production of one piece drawn and ironed can bodies and lids therefor, and for other purposes.

Abstract: A body fluid sampling device including a hollow tube with a solid, porous, water-wettable nonfibrous nib mounted in and protruding from one end of the tube for collecting, by absorption, a sample of a body fluid such as sweat, tears, or saliva. The sample may be extracted from the nib for analysis by supplying an extraction fluid to the interior of the tube for gravity or vacuum-assisted flow out through the nib. Alternatively, an elongated analysis element such as a strip of paper or a packed column, e.g. containing an agent that changes appearance to indicate the presence of a substance to be detected, may be disposed in the tube for endwise contact with the nib to receive the sample (or components thereof) by absorption.

Abstract: Less than half of a laser beam reflected from an optical information storage medium through an objective lens is detected by a detector having two light detecting areas. The sum of output signals from the light detecting areas of the detector is employed to detect when the objective lenas enters a focusing range. The difference between the output signals is employed to detect when the laser beam is focused on the optical information storage medium.

Abstract: A vehicular continuously variable transmission comprising a V-belt drive continuously variable transmission and a power transmission splitting driving mechanism consisting of a combination of a fluid coupling and a planetary gearing and disposed between the output shaft of the continuously variable transmission of the vehicle and the V-belt drive continuously variable transmission.

Abstract: Disclosed is a system of paralleled switching power supplies designed and controlled to have substantially identical output voltages and impedances so as to share the load equally. The output voltage of each supply is controlled to decrease linearly with increased output current, and the individual power supplies and their control circuits are designed and controlled to behave as identically as possible under the expected service conditions such that, under any given set of conditions, the output voltages and impedances of the several individual power supplies can be expected to be substantially identical and therefore they can be expected to share the load substantially equally. Provisions are made to make the control of the individual power supplies substantially independent of variations in the resistance of the power cables connecting them to the common load.

Abstract: An optical system includes a semiconductor laser for emitting a laser beam, a coupling lens for converting the laser beam a parallel beam, an optical beam shaping system for increasing the diameter of the parallel beam in a direction in which the semiconductor laser has a smaller far field pattern, and an objective lens for focusing a beam shaped by the optical beam shaping system into a spot. To make the spot substantially circular in shape and increase the light utilization efficiency, the magnification of the optical beam shaping system in a direction parallel to the junction plane of the semiconductor laser is selected to fall in a certain range.

Abstract: A frequency spectral distribution of sound signal has a plurality of discrete data at respective channels where sampling takes place. Such a spectral distribution, defining a parallel signal, is converted into a time series signal which is used to produce a peak-detected signal and a zero-cross signal. Then, based on the timing of the zero-cross signal, the peak-detected signal is compared with the original parallel signal to process the original parallel signal to be binary-valued. The present invention provides a simple hardware structure having the above-described function.

Abstract: Methyl N-methylanthranilate is prepared by reductive alkylation of methylanthranilate with formaldehyde and hydrogen in the presence of a hydrogenation catalyst and an acid catalyst.

Abstract: A method is described for joining an inner metal pipe with an outer surrounding metal tubular portion by means of explosive welding in which a contact anvil is placed inside the inner pipe to support it during welding. With the anvil in place, the pipes are subjected to explosive welding such that the outer surface of the inner pipe is joined metallurgically to the inner surface of the outer tubular portion. According to the novel feature, the anvil is made from hydrated aluminum sulphate, preferably a water soluble commercial alum, which not only disintegrates during welding but is also water soluble.

Abstract: An electronically controlled automatic transmission control system for controlling an automatic transmission for a vehicle, comprising an electronic controller which receives functions on the basis of input signals corresponding to the running conditions of the vehicle to control a hydraulic controller including a fluid pressure source, shift control valves for changing over the connection of the fluid pressure source to the respective hydraulic servomotors of frictional engaging mechanisms which controls the operation of the components of a gear train included in the automatic transmission, solenoid valves adapted to be controlled by the electronic controller to change input signal pressures to the shift control valves and a manual selector valve having a spool capable of moving through predetermined set positions corresponding to the shift positions of the manual shift lever of the vehicle, in which the input signal pressure is supplied to one of the shift control valves, namely, 1-2 shift control valve, wh

Abstract: A convenient snap-fitting, pivotal ring is hingedly attached to the handle portion of the umbrella with abutting portions of the handle end preventing the ring from pivoting more than about 90.degree..

Abstract: Vitamin compositions and/or nutritional mineral compositions containing taurine are provided either alone or in food products, suitable for consumption by human adults.