Patents by Inventor David G. Edwards
David G. Edwards has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240115449Abstract: An embodiment of a storage device for medical products includes a cabinet defining an enclosure having a plurality of compartments. In addition, the storage device includes a plurality of storage containers, each storage container configured to be inserted into a corresponding one of the plurality of compartments. Further, the storage device includes an actuation assembly including a plurality of arms that are configured to engage the plurality of storage containers so as to secure the plurality of storage containers in the plurality of compartments. Still further, the storage device includes a release mechanism that is configured to simultaneously actuate each of the plurality of arms to release the plurality of storage containers from the plurality of compartments.Type: ApplicationFiled: December 15, 2023Publication date: April 11, 2024Inventors: Thomas J. Larkner, David A. Ferrer, Jesse M. Smith, Dennis H. Smith, Adam A. Cloud, Mark D. Lockwood, Mark G. Loeffelholz, James R. Edwards
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Patent number: 11936415Abstract: An air interface plane (AIP) of a radio frequency (RF) aperture includes: a circuit board having a first side and a second side opposite the first side; and a matrix of tapered elements arranged on the first side of the circuit board and secured to the circuit board, the matrix of tapered elements cooperating to at least one of receive or transmit an over-the-air RF signal. Suitably, each tapered element of the matrix has: a central hub extending along a longitudinal axis from a hub base which is proximate to the first side of the circuit board to an apex of the tapered element which is distal from the first side of the first circuit board; and a plurality of arms extending from the central hub at the apex of the tapered element, each of the plurality of arms including a first portion that projects the arm radially away from the longitudinal axis and a second portion that projects the arm longitudinally toward the first side of the circuit board.Type: GrantFiled: April 26, 2023Date of Patent: March 19, 2024Assignee: BATTELLE MEMORIAL INSTITUTEInventors: Raphael Joseph Welsh, Douglas A. Thornton, Mackenzie Jordan Hawkins, Micah John Meleski, Katherine M. Armitage, Daniel G. Loesch, Matthew E. Huntwork, David R. Chase, Erik W. Edwards, John Bartholomew, Thomas Lloyd Moffitt, Curt Hudberg
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Patent number: 6957044Abstract: A satellite communication apparatus has a corrector for reducing distortion of a signal in a communication channel. The corrector is formed by a forward model representative of a pre-calculated estimate of non-linearity and group delay of the satellite transmission/reception channel from the input to the up sampler through to the output of the down sampler. The forward model may also comprise a model of magnitude response of a satellite input multiplexer filter and output multiplexer filter. Cascaded identical stages of the corrector may be provided so that distortion in the channel is successively reduced towards zero by each successive stage. An initial approximator which is substantially the inverse of the distorting function of the forward model may be provided.Type: GrantFiled: March 13, 2002Date of Patent: October 18, 2005Assignee: Tandberg Television ASAInventors: Brian Herbert Beech, David G. Edwards, Ravin Perinpanayagam
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Patent number: 6947741Abstract: A method up-link fade control for a satellite not having AGC, includes the steps of determining characteristics for correcting channel non-linearity, each characteristic being determined for a different value of up-link fade. A signal representative of up-link fade is determined by a beacon receiver and the signal is associated with a correction characteristic for the up-link fade. The correction characteristic associated with the signal is applied to a corrector of a modulator such that the corrector changes the modulator characteristics to modify constellation parameters at a satellite receiver.Type: GrantFiled: April 24, 2002Date of Patent: September 20, 2005Assignee: Tandberg Television ASAInventors: Brian Herbert Beech, David G. Edwards
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Patent number: 6754976Abstract: The in-wall dryer vent for venting to another floor is used to vent clothes dryer exhaust to a floor other than that on which the clothes dryer is located. The invention has an upper portion adapted for installation within the three and one-half inch cavity inside a wall constructed with standard two-by-four studs, and has a lower portion that expands to a width of at least four inches from front to back. The upper portion has a flanged opening adapted to extend through drywall and attach to standard clothes dryer outlet coupling devices. The lower portion has an outlet tube adapted for coupling to standard dryer vent piping.Type: GrantFiled: July 14, 2003Date of Patent: June 29, 2004Inventor: David G. Edwards
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Publication number: 20020164949Abstract: A satellite communication apparatus has a corrector for reducing distortion of a signal in a communication channel. The corrector is formed by a forward model representative of a pre-calculated estimate of non-linearity and group delay of the satellite transmission/reception channel from the input to the up sampler through to the output of the down sampler. The forward model may also comprise a model of magnitude response of a satellite input multiplexer filter and output multiplexer filter. Cascaded identical stages of the corrector may be provided so that distortion in the channel is successively reduced towards zero by each successive stage. An initial approximator which is substantially the inverse of the distorting function of the forward model may be provided.Type: ApplicationFiled: March 13, 2002Publication date: November 7, 2002Inventors: Brian Herbert Beech, David G. Edwards, Ravin Perinpanayagam
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Publication number: 20020160795Abstract: A method up-link fade control for a satellite not having AGC, includes the steps of determining characteristics for correcting channel non-linearity, each characteristic being determined for a different value of up-link fade. A signal representative of up-link fade is determined by a beacon receiver and the signal is associated with a correction characteristic for the up-link fade. The correction characteristic associated with the signal is applied to a corrector of a modulator such that the corrector changes the modulator characteristics to modify constellation parameters at a satellite receiver.Type: ApplicationFiled: April 24, 2002Publication date: October 31, 2002Inventors: Brian Herbert Beech, David G. Edwards
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Patent number: 5860627Abstract: A device for storing and transporting tube scaffolding which is comprised of a U-shaped cradle and an attachable closure member. The cradle is constructed from square tubing and is made up of a horizontal member and two vertical members which extend upward from and at right angles to the horizontal members to form an approximate U-shape. The closure member is a rigid rectangular plate which extends across the top of the cradle member and attaches thereto with a bolt and pin assembly. Alternatively, the closure member may rotate and lock into position with a pair of bolts. When in use, a pair of the devices are used together by stacking the tube scaffolding in the cradles of the devices so that the cradle members are adjacent the opposite ends of the tube scaffolding. Once a twenty-five count of tube scaffolding has been placed in the cradles, the closure members are attached to the cradles to secure the tube scaffolding in place.Type: GrantFiled: November 12, 1997Date of Patent: January 19, 1999Inventor: David G. Edwards
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Patent number: 5638298Abstract: A source of a high speed missile is determined by detecting the shock wave generated by the passage of the missile using a plurality of blast gauges and using the amplitude and direction information from the gauges to calculate the azimuth angle of the track of the missile, the elevation of the track and the miss distance from the location of the gauges. The amplitude and direction information can also be used to calculate the velocity of the missile on at least one point along its track. The apparatus for comprises a plurality of blast gauges arranged to receive shock waves generated by the missile at different locations, a computer arranged to receive amplitude and direction data from the gauges and to perform the necessary calculations and display units for presenting the calculated information. Each blast gauge comprises a spherical fairing containing four pressure sensors whose positions on the surface of the sphere form the apices of a tetrahedron.Type: GrantFiled: July 21, 1995Date of Patent: June 10, 1997Inventor: David G. Edwards
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Patent number: 5435178Abstract: The blast gauge has a spherical fairing containing four pressure sensors whose positions on the surface of the sphere form the apices of a tetrahedron. The fairing may have a solid metal sphere with cavities adapted to house the pressure sensors in which the metal is aluminum or an alloy thereof or a foam filled spherical shell containing cavities adapted to house the pressure sensors. The spherical fairing is carried by a tubular support adapted to contain the signal leads from the sensors. In a preferred form the blast gauge includes computing means adapted to receive the signals from the pressure sensors and provide data showing the velocity and direction of any shock wave impinging upon the spherical fairing.Type: GrantFiled: February 5, 1993Date of Patent: July 25, 1995Assignee: G. D. Engineering Associates LimitedInventor: David G. Edwards
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Patent number: 4802412Abstract: Electric motor driven imprinter apparatus for imprinting characters from a character imprint source member onto document sheets or the like, including a housing having a driven roller moved back and forth transversely across an imprint station, a horizontally slidable carrier block member and a changeable cassette carried by the block member having a changeable vertically slidable roller block member and a roller rotatably carried thereby. A pair of spaced apart rotatable sprockets and an endless drive chain having a spud projecting therefrom and provided for driving the carrier block member and roller block member back and forth through advance and return strokes spanning the imprint station.Type: GrantFiled: May 6, 1987Date of Patent: February 7, 1989Assignee: Security Imprinter CorporationInventors: David G. Edwards, Gerard Finlay, David J. Boyle, Clyde C. Heasly, Jr., Joseph M. Walsh, Ralph J. Poling
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Patent number: 4744296Abstract: A document activated imprinter apparatus for imprinting characters from a credit card comprising a housing with entrance and exit slots, imprinting means, a carrier member with a flat upwardly facing surface, receiving and positioning means, guiding and reciprocating means and forward drive means.Type: GrantFiled: September 17, 1987Date of Patent: May 17, 1988Assignee: Security Imprinter CorporationInventors: David G. Edwards, Gerard Finlay, David J. Boyle
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Patent number: 4532135Abstract: A treatment method and substances have been found to reduce the risk of incurring renal damage or failure. Vasodilators useful for the treatment of hypertension have been found to lower cholesterol levels and prevent renal failure or damage. These substances are administered alone or in combination with other substances useful in the treatment of hyperlipidemia such as phenoxyacetic acid derivatives. Suitable vasodilators include: hydralazine hydrochloride and functionally similar agents such as endralazine, trimazosin, minoxidil, and diazoxide; prazosin hydrochloride and functionally similar agents such as doxazosin, triodazosin, phentolamine hydrochloride, phenoxybenzamine hydrochloride, benextramine, indoramine, and yohimbine; clonidine HCl and functionally similar agents such as guanabenz, guanfacine, lofexidine, and UK No. 14,304; labetalol and other combined alpha and beta blocking agents such as prizidolol and peroxidil.Type: GrantFiled: September 27, 1982Date of Patent: July 30, 1985Inventor: K. David G. Edwards
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Patent number: 4472410Abstract: A method and substances are featured for reducing the risk of incurring renal damage or failure. Substances useful in the treatment of hyperlipidemia and closely-related vascular conditions have been found to reduce or prevent renal failure. The substances most generally utilized are derivatives of phenoxyacetic acid. These substances are administered from 0.01 to 0.25% by weight of the dietary materials ingested by the host which is equivalent to 0.2 to 6.0 grams per day in man.Type: GrantFiled: December 4, 1980Date of Patent: September 18, 1984Inventor: K. David G. Edwards
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Patent number: 4429413Abstract: A fingerprint sensor for transforming the topological pattern of a finger into an electric output signal. The sensor includes an array of cells arranged beneath a contact surface for sensing the pressure and/or temperature variations existing at the surface as a result of a fingerprint pressed against it. Each cell includes a transistor set to operate at a point within its amplification range. This operating point is varied in dependence upon the pressure and/or temperature at the adjacent contact surface. A circuit is provided to measure the amount of current passing through the transistor in each cell and to derive an electrical output signal therefrom.Type: GrantFiled: July 30, 1981Date of Patent: January 31, 1984Assignee: Siemens CorporationInventor: David G. Edwards
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Patent number: 4361564Abstract: A treatment method and substances have been found to reduce the risk of incurring renal damage or failure. Vasodilators useful for the treatment of hypertension have been found to lower cholesterol levels and prevent renal failure or damage. These substances are administered alone or in combination with other substances useful in the treatment of hyperlipidemia such as phenoxyacetic acid derivatives.Type: GrantFiled: February 9, 1981Date of Patent: November 30, 1982Inventor: K. David G. Edwards
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Patent number: 4250191Abstract: A method and substances are featured for reducing the risk of incurring renal damage or failure. Substances useful in the treatment of hyperlipidemia and closely-related vascular conditions have been found to reduce or prevent renal failure. The substances most generally utilized are derivatives of phenoxyacetic acid. These substances are administered from 0.01 to 0.25% by weight of the dietary materials ingested by the host which is equivalent to 0.2 to 6.0 grams per day in man.Type: GrantFiled: November 30, 1978Date of Patent: February 10, 1981Inventor: K. David G. Edwards