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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7082833 | Method and apparatus for determining and assessing a characteristic of a material An acoustic energy-based, non-contact or contact testing approach provides low cost, highly accurate, and reliable information to (a) identify flaws and anomalies and (b) assess the integrity of a particular material. This approach is not hindered by surface conditi... | 08/01/2006 |
| 6965708 | Devices, systems, and methods for sensing moisture Various exemplary embodiments, devices, systems, and methods for sensing moisture are disclosed, including at least one moisture sensor that comprises an optical fiber, a long period grating formed in at least a portion of the optical fiber, and a layer of PEI bonde... | 11/15/2005 |
| 6671055 | Interferometric sensors utilizing bulk sensing mediums extrinsic to the input/output optical fiber The present invention is directed toward an interferometric sensor that permits the simultaneous measurement of a change in more than one environmental condition. The interferometric sensor comprises an optical fiber and a plurality of sensing regions pos... | 12/30/2003 |
| 6571639 | Fiber optic system A fiber optic system and method of use is disclosed. The fiber optic system comprises a laminated, pre-stressed, piezoelectric actuator; and a fiber optic strain gage having an input/output fiber, wherein the fiber optic strain gage is attached to a surfa... | 06/03/2003 |
| 6471942 | Imaging and treatment method for body A method for imagining and treating a body employing at least one trimetallic nitride template endohedral metallofullerene compound is disclosed. The compound has at least one diagnostic and at least one treatment atom encapsulated within a fullerene cage... | 10/29/2002 |
| 6429421 | Flexible fiber optic microbend device, with interlocking flexible fibers, sensors, and method use A flexible microbend device for attachment to an optical fiber is provided. The device comprises an upper bending element grid having at least one flexible element and a lower bending element grid having at least one flexible element. The upper bending el... | 08/06/2002 |
| 6426796 | Fiber optic wall shear stress sensor A fiber optic wall shear stress sensor is presented. The sensor comprises a floating head supported by a physical arrangement. At least one optical fiber is positioned in an operable relationship to the floating head wherein an interferometric region is f... | 07/30/2002 |
| 6366722 | Optical waveguide sensors having high refractive index sensitivity An optical waveguide sensor having high refractive index sensitivity over a range of ambient refractive indices is provided. The sensor comprises a core having at least one long period gating disposed therein. An inner and outer cladding region, each clad... | 04/02/2002 |
| 6343168 | Optical sensor arrangement An optical sensor arrangement is provided. The arrangement comprises a light source coupled to an optical waveguide. The optical waveguide has at least one long period grating that promotes an excitation of confined propagating light into higher order mod... | 01/29/2002 |
| 6341185 | Extrinisic optical waveguide sensors An extrinsic optical waveguide sensor for making refractive index measurements of an in situ sample is provided. The sensor comprises a holder having at least one sample input region and at least one interferometric region. At least one optical fiber is p... | 01/22/2002 |
| 6275628 | Single-ended long period grating optical device A single-ended long period grating optical device is presented. The single-ended optical device comprises an optical waveguide having at least one core mode and a plurality of cladding modes. At least one long period grating couples light from the core mo... | 08/14/2001 |
| 6270946 | Non-lithographic process for producing nanoscale features on a substrate A non-lithographic process for producing nanoscale features on a substrate is presented. The process involves applying to and reacting a first difunctional molecule with the surface of a substrate. A second difunctional molecule is applied and reacted wit... | 08/07/2001 |
| 6215943 | Optical fiber holder An optical fiber holder is presented. The optical fiber holder comprises a tube having a longitudinal axis, a first end for receiving an optical fiber, and a recessed second end for protecting the optical fiber tip. An aperture is disposed along a length ... | 04/10/2001 |
| 6035082 | Process for preparing an optical fiber sensor with enhanced sensitivity A process for preparing an optical fiber having at least one long period grating with enhanced sensitivity is provided. A length of optical fiber having a refractive index profile is provided. The optical fiber supports a core mode and cladding modes for ... | 03/07/2000 |
