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Evangeline
Evangeline Benevent, Grenoble FR
| Patent application number | Description | Published |
|---|---|---|
| 20100151797 | RADIO-FREQUENCY DEVICE COMPRISING A THIN FILM WITH HIGH PERMITTIVITY AND PERMEABILITY - A radio-frequency device comprises magneto-dielectric elements. At least one of these elements comprises a composite thin film ( | 06-17-2010 |
| 20110012791 | LEFT HANDED BODY, WAVE GUIDE DEVICE AND ANTENNA USING THIS BODY, MANUFACTURING METHOD FOR THIS BODY - This left-handed substance comprises an array of conductive wires positioned relative to one another in such a way as to present a negative permittivity relative to the electromagnetic waves which have an electrical field parallel to the biggest dimension of these wires and are propagated at a frequency below the electrical plasma frequency of the substance, each wire being made out of a conductive magnetic material having negative permeability for a range of frequencies of the electromagnetic waves below the electrical plasma frequency of the substance and when there is no external artificial static magnetic field. Each wire comprises at least one strip, made out of a conductive magnetic material that extends along the greatest dimension of the wire in a plane of the strip and has a thickness at least twice as small as the skin thickness of the conductive magnetic material. | 01-20-2011 |
Evangeline Benevent, Marseille FR
| Patent application number | Description | Published |
|---|---|---|
| 20110116194 | VARIABLE-RESPONSE MAGNETIC RADIOFREQUENCY DEVICE - This variable-response magnetic radiofrequency device integrated into a substrate comprises: | 05-19-2011 |
Evangeline Lumabas, San Jose, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20100305452 | OPTICAL COHERENCE TOMOGRAPHY FOR BIOLOGICAL IMAGING - Described herein are catheters for use with Optical Coherence Tomography (OCT) that include an optical fiber core having a first refractive index and an interface medium having a second refractive index, where the first and second refractive indexes are mismatched such that receiving electronics configured to receive optical radiation reflected from the reference interface and the target operate in a total noise range that is within 5 dB of the shot noise limit. These OCT catheters may include a silicon die mirror having a reflective coating that is embedded in the interface medium. The optical fiber can be fixed at just the distal end of the catheter, and may be managed within a handle that is attached to the proximal end of the catheter body, and is configured to allow rotation of the both catheter body and the optical fiber relative to the handle. | 12-02-2010 |
| 20110021926 | CATHETER-BASED OFF-AXIS OPTICAL COHERENCE TOMOGRAPHY IMAGING SYSTEM - Catheter-based Optical Coherence Tomography (OCT) systems utilizing an optical fiber that is positioned off-axis of the central longitudinal axis of the catheter have many advantage over catheter-based OCT systems, particularly those having centrally-positioned optical fibers or fibers that rotate independently of the elongate body of the catheter. An OCT system having an off-axis optical fiber for visualizing the inside of a body lumen may be rotated with the body of the elongate catheter, relative to a handle portion. The handle may include a fiber management pathway for the optical fiber that permits the off-axis optical fiber to rotate with the catheter body relative to the handle. The system may also include optical processing elements adapted to prepare and process the OCT image collected by the off-axis catheter systems described herein. | 01-27-2011 |