Abstract: A wideband, derivative-matched, continuous aperture acoustic transducer includes a first sensor area having a predetermined spatial shading and a second sensor area having a spatial shading which is the spatial derivative of the spatial shading of the first area; the first and second spatial shaded areas are superimposed and co-extensive along the sensing axis.

Abstract: Disclosed herein is an apparatus and method for controlling electrically powered liquid-moving pumps, particularly bilge and sump pumps. The apparatus is characterized by the fact that no portion thereof need be located in the hostile environment of the bilge or sump served by the pump controlled thereby.

Abstract: A disposable self contained cartridge for resin transfer molding including a sealable flexible-walled vacuum bag surrounding fibrous reinforcing material to be impregnated and formed and a quantity of resin for impregnating the fibrous reinforcing material, and vacuum port to collapse the vacuum bag about the fibrous reinforcing material and the resin.

Abstract: A fixed gain electromagnetic actuator for controlling the position of a body including at least two pair of a magnetically permeable pole spaced from the body, bias coils about each pole, separate control coils about each pole, a bias source for the bias coils providing a current in the bias coils producing a steady-state equal strength magnetic field on opposing sides of a body, and a control source for the control coils providing a current in the control coils for producing an increase in the magnetic field on one side of the body and a corresponding equivalent decrease in the magnetic field on the opposing side of the body to compensate for any external upsetting forces acting on the body.

Abstract: A clean containment room construction (2) comprising a work room (4) having a floor (6), walls (8) and a ceiling (10), an isolation void (12) which surrounds the walls (8) and the ceiling (10) of the work room (4), air-circulating apparatus (14) for maintaining a circulation of air in the workroom (4) which is at a positive pressure with respect to atmospheric pressure, and air-circulating apparatus (16) for maintaining air in the isolation void (12) which is at a negative pressure with respect to atmospheric pressure.

Abstract: An improved ramp generator system includes a plurality of ramp generator circuits; a ramp rate signal source for controlling the ramp slope; a ramp voltage signal source for establishing the starting voltage of the ramp; a ramp starting signal source for starting the ramp; a device for defining a plurality of ramp periods; and a switching device, responsive to the device for defining the ramp periods, for alternately, sequentially connecting the ramp rate signal source, ramp voltage signal source, and ramp starting signal source, to each of the ramp generator circuits for producing a series of identical ramps.

Abstract: A monolithic quartz resonator accelerometer including a monolithic quartz sensing structure with a frame, a proof mass support structure within the frame, and a resonator structure interconnecting the frame and the support structure. Further included are a proof mass fixed to the support structure, and electrodes on the resonator structure for driving the resonator at a vibration frequency which varies as a function of the acceleration of the proof mass.

Abstract: A condom applicator (2) comprising a rolled up condom (4) and a ring member (6) for applying the condom (4) by unrolling it over a penis, the ring member comprising a side wall (8), a flat portion (10), a first lip (12), a second lip (16), and first and second ends (18, 20) which are joined together by a frangible joint (22) which forms the ring member (6) into a complete ring in order to retain the condom (4) in position prior to use of the condom applicator (2) and which breaks during use of the condom applicator (2), and the ring member (6) being constructed to control the tendency of the first and the second ends (18, 20) to twist with respect to each other after the frangible joint (22) has been broken.

Abstract: An adaptive synchronous vibration suppression apparatus for suppressing vibrations in a dynamic system subject to synchronous disturbance detects the energy representative of the synchronous component of the vibration induced by the synchronous disturbance; generates the Fourier coefficients, amplitude and phase components command; and applies the command to operate an actuator to apply a force to the system to suppress the detected vibration.

Abstract: An improved ceramic substrate for supporting, cooling and interconnecting components on both surfaces of a substrate includes a plurality of coolant carrying channels separated by fins and extending through the substrate generally parallel to the surfaces of the substrate; and a plurality of routed vias for interconnecting component terminations on opposite surfaces of the substrate which are not aligned with each other and with a fin; each routed via includes an internal via extending through a fin and a surface blind via extending inwardly from each surface, and at least one transverse segment interconnecting one end of the internal via to one of the surface blind vias.

Abstract: A document assembly customization system for modifying a source instrument including text and decisional commands and their associated decisional clauses, including a function for indicating each decisional command and, its associated decisional clause in the instrument; a word processor for moving and deleting decisional commands and their associated decisional clauses; a function for generating a new template from the modified source instrument; and a decision index generator which generates a decision index identifying each decisional command and its associated decisional clause and their location in the text of the modified source instrument.

Abstract: A selective chemical species detector including a conductive polymer based sensing element having a detectable characteristic, for example, the polymer resistivity, permanently altered on exposure to a first chemical species and not permanently altered on exposure to a second chemical species. The detector then determines a permanent change in the detected characteristic and indicates the presence of a chemical species on detection of a such a permanent characteristic change. Also disclosed is a method of fabricating such a sensing element to achieve the desired selectivity.

Abstract: A ferroelectric space charge capacitor memory device includes a pair of spaced first and second electrodes; a ferroelectric dielectric disposed between the electrodes; a coercive voltage supply for applying a coercive voltage to the dielectric to write the dielectric into one of two polarization states and to establish in each polarization state in the dielectric a space charge region proximate each electrode having a charge opposite to that of the electrode with a neutral region between the space charge regions, the relative sizes of the neutral and space charge regions defining the capacitance of the dielectric, the neutral region having an internal polarization field opposite to that represented by the space charge regions; a bias voltage supply for applying to the dielectric a bias voltage less than the coercive voltage at a rate lower than the rate of space charge formation to define a capacitance level representative of one of the polarization states; a pulse generator for introducing to the dielectric

Abstract: A self-storing collapsible implement includes: a collapsible handle; a grip at the proximal end of the handle; a tool at the distal end of the handle; and a cover, attached to the handle proximate the junction of the grip and the handle for covering and concealing the tool when the handle is collapsed.

Abstract: A computer interface having time frame dependent functional designation of parallel port lines system. A communication cycle is established with a plurality of time frames for a group of parallel port lines. Discrete data bytes are transferred to and from a computer, during at least one of the time frames and data blocks are transferred, to and from the computer, during at least one other of the time frames. The designation of the parallel port lines is redefined during each of the time frames to accommodate the transfers to and from the computer of the discrete data bytes and data blocks. Discrete data bytes and data blocks to be sent and received are stored and this storing is conditioned as a function of the designation of the parallel port lines during each of the time frames.

Abstract: An integrated resonant cavity acoustic transducer includes a substrate chip having a cavity; a movable plate electrode; means for resiliently mounting the movable plate electrode across the cavity in the substrate chip; and a perforated electrode spaced from the movable plate electrode and mounted across the cavity in the substrate chip; the cavity has a depth from the movable electrode to the back wall of the cavity of approximately one quarter wavelength of the acoustic energy for enabling constructive interference between the primary and reflected acoustic wave for maximizing the displacement of said movable electrode.

Abstract: A reconfigurable sequential processor includes a data bank for storing data to be processed; a programmable logic block address generator for addressing data in the data bank; a programmable logic block arithmetic unit responsive to the data bank for processing the data addressed by the programmable logic block address generator; an address generator hardware configuration file having a plurality of configuration files for configuring the programmable logic block address generator in one of a plurality of addressing configurations in response to an address operational code; an arithmetic hardware configuration file having a plurality of configuration files for configuring the programmable logic block arithmetic unit in one of a plurality of processing configurations in response to an arithmetic operational code; and for delivering a series of operational codes to each configuration file for enabling the programmable logic block address generator and the programmable logic block arithmetic unit to be configure

Abstract: A sewer chimney system for stabilizing and protecting a chimney pipe interconnecting a service pipe and a main sewer line includes a base for bridging a main sewer line, the base having a hole for accommodating the chimney pipe rising from the main sewer line; a hollow casing vertically mounted on the base and having a lower open end aligned with the hole in the base for receiving the chimney pipe; and having an upper open end for receiving fill about the chimney pipe, the case including a lateral hole for receiving a service pipe for interconnection with the chimney pipe, and a device for attaching the hollow casing to the base for securing it during filling of the casing and during backfilling around the casing.

Abstract: A process for evenly seating a woodwind instrument tone hole sealing pad in the pad cup, and the pad assembly itself. The process contemplates placing the pad on the tone hole rim, applying a magnetic force to the pad to pull it against the tone hole rim, providing a substance between the pad and the cup for positioning the pad in the cup, and contacting the cup to the pad to position the pad in the cup while the pad is seated against the tone hole rim to provide an even seating cup pad assembly.

Abstract: An automatic data reference system and method responds to a query for a data item by determining whether a match can be found between the query dimensions and the dimensions of one of a number of data tables stored in the database for queries which constitute an exact match for an existing data table, as well as those queries which are underdefined, overdefined or require relational joining or linking of two or more data tables.