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Foxall
David G. Foxall, Brantford CA
| Patent application number | Description | Published |
|---|---|---|
| 20090047464 | FLOOR CARPET UNDERLAY - A carpet underlay for a floor carpet, the underlay having a foam base layer having an upper surface, and a cross-linked closed cell polyolefin foam upper layer having a first surface and a second surface, wherein the first surface is bonded to the upper surface of the base layer and the second surface is adapted to contact the carpet in abutment. Preferred foam base layer comprises a polyurethane foam, particularly, chipfoam; and the cross-linked closed cell foam layer comprises polyethylene, polyolefine, polyamide and mixtures, thereof. Apparatus and process of manufacture are provided. The underlay provides improved resistance to odour and toxic vapour penetration from the base foam layer through the carpet into the atmosphere above the carpet. | 02-19-2009 |
David L. Foxall, Mentor, OH US
| Patent application number | Description | Published |
|---|---|---|
| 20080211498 | INTEGRATED SYSTEM OF MRI RF LOOP COILS PLUS SPACING FIXTURES WITH BIOCONTAINMENT USES - When scanning a patient to generate an image thereof, radio frequency (RF) coil modules are scalably coupled to each other using a plurality of clips to form flat or polygonal coil arrays that are placed on or around the patient or a portion thereof. A user assesses the volume to be imaged, identifies a coil array configuration of suitable size and shape and employs clips of one or more pre-determined angles to construct the identified coil array configuration, which is placed on or about the volume. Coil modules are coupled to a preamplifier interface box (PIB), which provides preamplified coil signal(s) to a patient imaging device, such as an MRI scanner. Small arrays are constructible to accommodate pediatric patients and/or smaller animals. Modules are hermetically sealed, can be sanitized between uses, and discarded at end-of-life. In one aspect, the modular coil array, clips, and PIB are maintained in an isolated contamination zone, separate from the patient imaging device. | 09-04-2008 |
| 20080211499 | Low Power Decoupling for Multi-Nuclear Spectroscopy - In a magnetic resonance spectroscopy method, first nuclear species magnetic resonance is excited. A spin echo of the first nuclear species magnetic resonance is generated, and the spin echo is read out. The first and second nuclear species are decoupled during the generating of the spin echo but not during the reading. At least the generating, the reading, and the decoupling are repeated for a plurality of different decoupling times to generate heteronuclear J-modulated data. | 09-04-2008 |
| 20090096449 | LOW POWER BROADBAND SPIN DECOUPLING - In a magnetic resonance data acquisition method, magnetic resonance is excited ( | 04-16-2009 |
Thomas George Foxall, Surrey CA
| Patent application number | Description | Published |
|---|---|---|
| 20110095703 | APPARATUS AND METHOD FOR LED LIGHT CONTROL - An illumination apparatus comprises a plurality of LEDs and a control system connected to receive dimmer-modulated AC line voltage and control the LEDs. The control system is configured to operate in a plurality of different modes wherein changes in dimmer-modulated AC line voltage adjust various characteristic of the LEDs. | 04-28-2011 |
| 20110095704 | POWER SUPPLIES FOR LED LIGHT FIXTURES - A lighting circuit comprises an AC input connectable to receive an AC input voltage, a switched LED array comprising a plurality of LEDs reconfigurable into a plurality of configurations and having an input for receiving a LED driving voltage, a switched capacitor array having an input for receiving a charging voltage and an output selectively connectable to the input of the switched LED array and comprising a plurality of capacitors and switches connected to selectively couple the capacitors across the input or output, a first switched rectifier connected between the AC input and the switched LED array, a second switched rectifier connected between the AC input and the switched capacitor array, and, a control system configured to monitor the AC input voltage and control the switched LED array, the switched capacitor array and the first and second switched rectifiers based on the AC input voltage and a desired light output. | 04-28-2011 |