Abstract:
The present invention generally relates to an apparatus and method for efficiently summing the partial product bits produced by a multiplier. Briefly described, in architecture, the apparatus includes a first array of odd/even summation circuitry, a second array of odd/even summation circuitry, and a linear array of adders. The apparatus is configured to add a row of partial product bits produced by a multiplier in multiplying a first operand with a second operand. The first array of odd/even summation circuitry produces a first summation of a portion of the partial product bits. The second array of odd/even circuitry produces a second summation of the other partial product bits. The linear array of adders then adds the first summation and the second summation to produce a carry save representation of a product bit (i.e., a bit of the product produced by multiplying the first operand by the second operand).
Abstract:
Embodiments disclosed herein provide systems and methods for the filtering, selection and presentation of vendors accounting for both user characteristics and vendor characteristics, such that the systems and methods may be used by both customer and vendor alike to better match customer needs with the resource-constrained vendors with whom a successful sale has a higher probability of occurring. Embodiments may include filtering, selecting and/or presenting vendors to a user sorted by the probability that the particular vendor will possess the characteristics that appeal to a particular customer and therefore result in a large probability of sale and suppress presentation of those vendors that are unlikely to be selected by the customer since their characteristics are less consistent with those needed by the customer and, therefore, are unlikely to result in a sale.
Abstract:
In embodiments disclosed herein, a computer may operate to determine, for each member in a set and each non-member under consideration for the set, an expected revenue to be passed to a parent organization. The expected revenue may be determined utilizing a plurality of weighted features. Members in the set may be ranked according to their expected revenues. Top performing members in the set may be protected to ensure their expected revenues. Bottom performing members may be removed from the set and/or replaced with new members outside of geographical protective areas of the top performing members. The optimization process can be repeated until the set of members can satisfy an existing demand while maximizing revenue for the parent organization.
Abstract:
Techniques are disclosed for sensory-evoked potential (SEPs, e.g., visual-evoked potentials) signal detection/classification by synchronizing EEG to the repeated presentation of sensory stimuli in the time domain. In some embodiments, a system receives a plurality of EEG signal samples, generates a stimulus-locked EEG and determines whether the plurality of EEG signal samples are evoked in response to a pattern of stimulus. In some embodiments, no prior knowledge about the update pattern (such as the flashing frequency of a visual stimulus) of the stimulus and no prior knowledge about an individual user's EEG pattern are required.
Abstract:
In one embodiment, the invention relates to a catalyst in powdered form which comprises a major amount of the oxides of copper and zinc, and a minor amount of aluminum oxide wherein the pore volume of pores of said catalysts having a diameter between about 120 and about 1000 .ANG. is at least about 40% of the total pore volume. In another embodiment, the invention relates to a process for preparing hydrogenation catalysts comprising the oxides of copper, zinc and aluminum which comprises the steps of(A) preparing a first aqueous solution containing at least one water-soluble copper salt and at least one water-soluble zinc salt;(B) preparing a second solution containing at least one water-soluble basic aluminum salt and at least one alkaline precipitating agent;(C) mixing the first and second solutions whereby an insoluble solid is formed;(D) recovering the insoluble solid.The invention also relates to a process for hydrogenating aldehydes, ketones, carboxylic acids and carboxylic acid esters with catalysts of the type described. Catalysts of the invention are useful in both fixed bed and slurry phase hydrogenation reactions.
Abstract:
An electronic filter for filtering an electrical signal. Signal processing circuitry therein includes a logarithmic filter having a series of filter stages with inputs and outputs in cascade and respective circuits asGOVERNMENT SUPPORTThis invention was made with U.S. Government support under Veterans Administration Contract VA KV 674P857 and National Aeronautics and Space Administration (NASA) Research Grant No. NAG10-0040. The U.S. Government has certain rights in this invention.
Abstract:
A pigment of irregular-shaped particles is described which comprises crystallites of the empirical formula A.sub.x B.sub.y C.sub.z wherein A and B are different; A is cobalt, nickel, copper, zinc, cadmium, iron, manganese or any combination thereof; B is aluminum, chromium, molybdenum, iron, vanadium, manganese or any combination thereof; C is oxygen, selenium, tellurium or sulfur; x is 1, 2 or 3; y is 2 or 3; and z is greater than 3; the crystallites have an average size of from about 75 to about 600 Angstroms; and the surface area of the pigment particles is greater than zero up to about 20 m.sup.2 /g. In one embodiment, when the pigment contains a mixture of copper oxide, iron oxide, manganese oxide and no chromium, the pigment contains no more than 10% of manganese, and when the pigment contains copper oxide, chromium oxide, and manganese oxide, the pigment contains up to about 5% of manganese oxide, the mole ratio of chromium to copper is no greater than about 1.3 to 1.
Abstract:
To convey particulate materials such as grain to a top central cavity of a large container such as an on-farm silo or bin, there are provided a first auger-containing flexible roof-mounted conveyer section having on its receiving end a guide, a cooperating ground-adjacent auger-containing conveying section, keys and dogs on the augers cause the auger in the second section to drive the auger in the first section, and hooks and pins for securing the two sections together. Preferably, the apparatus further includes carriage for the ground-adjacent conveyor section. By making the roof-mounted section of suitable length to accommodate the geometry of the silo or bin, any of a great variety of bin geometries may be accommodated with the use of a single standard length of ground-adjacent conveyor section, which affords considerable economies to the manufacturers, distributors, and users of such equipment.
Abstract:
The present invention relates to methods of treating chronic skin disorders by externally applying to the skin compounds by the following formula ##STR1## and therapeutically acceptable salts, esters and amides thereof, wherein R.sub.1 through R.sub.6 and X are as hereinafter defined.
Abstract:
A capacitive sensor system including a sensing plate, an amplifier, and a switching circuit is described. The sensing plate is capacitively coupled to a body surface. A change in the electric potential on the body surface generates an electric field that induces change in the electric potential of the sensing plate. The sensing plate includes a sensing node positioned in the electric field for generating an input signal from the electric field. The sensing plate is not in contact with the body surface. The amplifier receives the input signal at the input port, amplifies the input signal and generates an output signal at the output port. The switching circuit is connected to the input port and a reference voltage. The switching circuit non-continuously closes a shunting path from the sensing node to the reference voltage to reset the voltage at the sensing node.