Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8189967 | Fiber optic sight for firearms A fiber optic sight for a gun is disclosed that allows for increased illumination to the shooter's eyes by the use of an angled cut at the forward end of the fiber optic rod. The angled cut is positioned on the underside of the rod, and the fiber optic rod is expose... | 05/29/2012 |
| 8184930 | Titania nanotube and method for producing same A titania nanotube suitable as an optical sensor or gas sensor is provided. The titania nanotube has a length of 1 μm or more; preferably a diameter of 0.1 μm or less and an aspect ratio of 100 or more. ... | 05/22/2012 |
| 8180185 | Fiber optic sensor for detecting multiple parameters in a harsh environment A fiber optic sensor is provided. The fiber optic sensor includes a fiber core having a plurality of grating elements wherein, the grating elements comprise a periodic or a quasiperiodic modulated microcrystalline and silicon dioxide tetrahedral structure and a clad... | 05/15/2012 |
| 8175423 | Filtered fiber optic probe A fiber optic probe assembly which incorporate a series of graduated shaped and nestable members, e.g. cylindrical annular members which enable uniform and repetitive construction and assembly of the probes resulting in a high degree of quality control. ... | 05/08/2012 |
| 8170382 | Fiber-optic temperature sensor assembly A fiber-optic temperature sensor assembly comprises a cap with an inner cavity. A sensor member is received in the inner cavity of the cap. The sensor member has light-transmitting properties adapted to change with temperature variations. An optical fiber has a firs... | 05/01/2012 |
| 8160406 | Acoustic sensor with at least one photonic crystal slab An acoustic sensor includes at least one structure including at least one photonic crystal slab and an optical fiber optically coupled to the at least one photonic crystal slab, and having at least one optical resonance with a resonance frequency and a resonance lin... | 04/17/2012 |
| 8155485 | Plasmon photocatalysis Plasmons on a waveguide may deliver energy to photocatalyze a reaction. The waveguide or other energy carrier may be configured to carry electromagnetic energy and generate plasmon energy at one or more locations proximate to the waveguide, where the plasmon energy ... | 04/10/2012 |
| 8155486 | Flexural disc fiber optic sensor and method of forming same A fiber optic sensor employs at least two flexural discs that are spaced apart from one another along a central axis. A fiber optic coil is affixed to at least one of the flexural discs. A proof mass is disposed between the flexural discs. A first stop member is dis... | 04/10/2012 |
| 8155487 | Sensor element In an embodiment, a sensor element is provided. The sensor element may include a light input configured to receive input light, a sample chamber configured to accommodate a sample, and at least one polymer waveguide optically coupling the light input with the sample... | 04/10/2012 |
| 8139905 | Generator protection system A temperature sensor is disclosed. The sensor includes an optical fiber and at least one twin-grating structure formed on the optical fiber. Each twin-grating structure includes a first optical grating structure, a second optical grating structure adjacent the first... | 03/20/2012 |
| 8135245 | Fiber optic sensing system A fiber optic sensing system comprises a housing disposed in a flow path, and a fiber optic sensor. The fiber optic sensor comprises an optical fiber secured in the housing, a Bragg grating, a light source for transmitting light to the optical fiber, and a detector ... | 03/13/2012 |
| 8135246 | Three-dimensional sensor optical waveguide, and three-dimensional sensor employing the same A three-dimensional sensor optical waveguide which permits size reduction, and a three-dimensional sensor employing the same. A three-dimensional sensor optical waveguide includes a plurality of frame-shaped optical waveguide members stacked coaxially in a thickness... | 03/13/2012 |
| 8135244 | Real time measurement of shock pressure A fiber-based optical pressure-sensor, made using semiconductor nanocrystal quantum dots (NQDs) as the active transducing material, provides response time fast enough for shock wave measurements. For NQDs, the shift in band gap as a result of applied pressure can be... | 03/13/2012 |
| 8131121 | Optical fiber pipeline monitoring system and method In accordance with one aspect of the present invention, a fiber surveillance system for monitoring a pipeline is provided. The surveillance system includes an optical fiber acoustically coupled to the pipeline to detect acoustic signals associated with vibrations or... | 03/06/2012 |
| 8119350 | Method of surface plasmon resonance (SPR) to detect genomic aberrations in patients with multiple myeloma The present invention discloses using SPR technology to detect MM related genomic imbalances in bone marrow samples. An efficient formula to make a mixed SAM that can greatly enhance the immobilization ability of the metal surface in SPR based techniques, which is g... | 02/21/2012 |
| 8116601 | Fiber optic shape sensing A shape sensing system to determine the position and orientation of one link with respect to another link in a kinematic chain. An optical fiber is coupled to two or more links in a kinematic chain. A shape sensing segment is defined to start at a proximal link and ... | 02/14/2012 |
| 8111952 | Strain sensing device and method of measuring strain A strain sensing device has a sub-assembly with at least one optical fiber therein, and a metallic coating encasing the sub-assembly. The metallic coating is strain coupled to the sub-assembly. A strain sensing system and a method of anticipating failure in a struct... | 02/07/2012 |
| 8111953 | Optical power modulation vital sign detection method and measurement device A vital sign measurement device includes a sensor fixation device, a sensor frame, an optical sensing system, and an output unit. The sensor fixation device is adapted to be placed against an anatomical location of a subject. The optical sensing system includes an o... | 02/07/2012 |
| 8103135 | Well bore sensing A sensor system for use in a well bore includes a metal-clad fiber-optic cable, the fiber optic cable include one or more Bragg gratings, and each Bragg grating is configured such that a value or change in a physical parameter to be measured results in a measurable ... | 01/24/2012 |
| 8098966 | Thermal sensing fiber devices There is provided a thermal sensing fiber grid, including a plurality of rows and columns of thermal sensing fibers, each of which includes a semiconducting element that has a fiber length and that is characterized by a bandgap energy corresponding to a selected ope... | 01/17/2012 |
| 8098967 | Generator protection system A magnetic flux sensor is disclosed. The sensor comprises an optical fiber and at least one twin-grating structure formed on the optical fiber. Each twin-grating structure comprises a first optical grating structure, a second optical grating structure adjacent the f... | 01/17/2012 |
| 8090227 | Purging of fiber optic conduits in subterranean wells Purging of fiber optic conduits in subterranean wells. A downhole optical sensing system includes an optical line, at least two tubular conduits, one conduit being positioned within the other conduit, and the optical line being positioned within at least one of the ... | 01/03/2012 |
| 8073294 | Remote optical fiber surveillance system and method In accordance with one aspect of the disclosed technology, wireless communications are used in a fiber surveillance system to enable monitoring of remote locations for vibrations, acoustic signals, stresses, stress fatigue or other detectable characteristics. A fibe... | 12/06/2011 |
| 8073293 | Sensing device having a large diameter D-shaped optical waveguide An optical sensor formed from an optical waveguide having at least one core surrounded by a cladding and a large diameter generally D-shaped portion is disclosed. Axial or compressive strain across the D-shaped cross section may be determined by measuring the change... | 12/06/2011 |
| 8064738 | Leak detector using an optical fibre A leak detection apparatus comprising an optical fiber sensor (2) arranged to detect leakage of fluid through a hose carcass (6, 8), wherein the sensor is arranged to detect the location of the leak along a section (4) of the hose. ... | 11/22/2011 |
| 8059924 | Multiplexed photonic membranes and related detection methods for chemical and/or biological sensing applications Photonic detection systems and methods are shown. A flow through photonic membrane is provided with pores which are distributed along multiple regions. The pores of one region have walls to which a first type of target specific anchor can be attached, while pores of... | 11/15/2011 |
| 8031989 | Radiological and nuclear optical sensor Optical systems for sensing radiation emissions from radiological and nuclear matter. An example system includes a light source, a light sensor, a processing device in signal communication with the light source and the light sensor, and a fiber optic cable that rece... | 10/04/2011 |
| 8009938 | Advanced process sensing and control using near infrared spectral reflectometry Embodiments described herein provide a method and apparatus for obtaining process information in a substrate manufacturing process using plasma. In one embodiment, a chamber is provided having one or more optical metrology modules that are positioned such that optic... | 08/30/2011 |
| 8009939 | Fiberoptic clearance detection system and method A fiberoptic system for clearance detection between rotating and stationary turbomachinery components is presented. The system comprises an optical fiber probe comprising a plurality of optical fibers, at least one of the optical fibers comprising a transmission fib... | 08/30/2011 |
| 8005323 | Method and apparatus for generation and transmission of high energy optical pulses for long range measurements A method and apparatus for generating and transmitting high energy optical pulses are described. Distributed temperature sensors usually use Raman scattering in optical fibers as the means to determine the temperature. Here, light from a laser source is sent down a ... | 08/23/2011 |
| 8005324 | Fault detection system A fault detection system for subsea pipeline DEH cable includes fiber optic element(s) (7) provided along the cable section concerned and located outside at least some of the cable insulation (2,3,4). The fiber optic element(s) are adapted to be influe... | 08/23/2011 |
| 7995874 | Optical fiber distribution type sensor and optical fiber distribution type detecting method The present invention relates to an optical fiber distribution type detecting method and the like equipped with a structure for enabling efficient measurement of a temperature distribution or strain distribution. This method regulates a modulation frequency and modu... | 08/09/2011 |
| 7995873 | Fiber optic sensor apparatus A fiber optic sensor apparatus includes an optical fiber, a fiber bend holder, and a sensing element. The optical fiber can be configured to form a transmit fiber path and a return fiber path by adhering the fiber bend holder to the center of the optical fiber in or... | 08/09/2011 |
| 7965909 | Fibre-optic surveillance system A fiber-optic surveillance system (10) includes a fiber-optic sensor (15) comprising a serial array (15) of fiber-optic point-sensors (16), successive point-sensors being linked by a distributed fiber-optic sensor (18). The system ... | 06/21/2011 |
| 7953304 | Superconducting power cable capable of quench detection and quench detection system using the same Disclosed is a superconducting power cable capable of quench detection, and a quench detection system using the superconducting power cable. The superconducting power cable capable of quench detection includes a former; a superconducting conductor layer composed of ... | 05/31/2011 |
| 7936952 | Superconducting power cable capable of quench detection and quench detection system using the same Disclosed is a superconducting power cable capable of quench detection, and a quench detection system using the superconducting power cable. The superconducting power cable capable of quench detection includes a former; a superconducting conductor layer composed of ... | 05/03/2011 |
| 7925125 | Microfluidic detection device having reduced dispersion and method for making same A microfluidic detection device provides reduced dispersion of axial concentration gradients in a flowing sample. The microfluidic detection device includes a cell body and a flow path through the cell body. The flow path has an inlet segment, an outlet segment, and... | 04/12/2011 |
| 7925126 | Fiber sensing system with self-detection mechanism The present invention discloses a fiber sensing system with self-detection mechanism which utilizes a central office to control secondary ring architecture formed by fiber sensor, remote node and optical coupler primarily. The secondary ring architecture is connecte... | 04/12/2011 |
| 7916983 | Signal identifying apparatus for an optical fiber Provided is a signal identifying apparatus for an optical fiber that includes a detecting portion capable of detecting a signal originating from a first end of the optical fiber and a signal originating from a second end of the optical fiber. Additionally, the signa... | 03/29/2011 |
| 7907800 | Methods for monitoring reactions in zero mode waveguides Methods for monitoring reactions are provided, including methods involving monitoring reactions in zero mode waveguide substrates. The zero mode waveguide substrates have zero mode waveguides wherein the core extends through the cladding layer at least partially int... | 03/15/2011 |
