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| Number | Title | Issue Date |
| 7389633 | Double jacketed wire rope and method of manufacture thereof A wire rope is provided which has an independent wire rope core (IWRC) covered by a plastic jacket. Outer strands are laid on this plastic jacket and wormings or spacers extend from the plastic jacket in between the outer strands to form gaps between the outer stran... | 06/24/2008 |
| 7272921 | Wire rope with galvanized outer wires A wire rope which has an independent wire rope core (IWRC) and outer strands laid around the core. This wire rope has an improved fatigue life when the outer wires of the core and of the outer strands are galvanized. The wire rope may be either fully or partially im... | 09/25/2007 |
| 7099533 | Fiber optic infrared laser beam delivery system A laser beam delivery system is disclosed, which allows transmission of high-power infrared light through a hollow core photonic band gap (HC-PBG) fiber made of non-silica-based glass. In this system, the infrared beam first passes through input coupling optics whic... | 08/29/2006 |
| 7046902 | Large mode field diameter optical fiber A large mode field diameter optical fiber is disclosed. It is a single mode optical fiber which has a core and a cladding. The core of this fiber has two regions, an inner core region and an outer core region which has a refractive index lower than that of the inner... | 05/16/2006 |
| 7046875 | Optical coupler comprising multimode fibers and method of making the same An optical coupler is provided. It has a bundle of multimode fibers with a few-mode fiber in its centre. Such bundle is fused at one end which is the output end for the signal that is transmitted by the few-mode fiber. To make the coupler, this output end of the bun... | 05/16/2006 |
| 7006367 | Power factor controller A power factor controller or corrector is provided in a regulated power supply circuit, in which the load and line regulation circuitry is separate from one another and in which the line regulation is provided with a 1/x2 modulator in which the switching ... | 02/28/2006 |
| 6996298 | All-fiber broadband polarization combiner An all-fiber broadband polarization combiner is disclosed based on a Mach-Zehnder (MZ) structure. The entry coupler to the MZ is a polarization pump combiner (PPC) and the exit coupler is a wavelength division multiplexer (WDM) coupler. The two couplers are intercon... | 02/07/2006 |
| 6982425 | Indirect x-ray image detector for radiology An x-ray image detector suitable for radiology has an active matrix substrate with scanning and read-out circuits. Over this active matrix substrate, which can be a two dimensional array of TFTs associated with a storage capacitance, there is deposited a photorecept... | 01/03/2006 |
| 6974266 | Optical component packaging device A packaging device for protectively enclosing an optical component in a substantially clean and anhydrous environment without imparting undue mechanical stresses on the optical component and adjacent segments of optical fiber coupled thereto. An intermediate compone... | 12/13/2005 |
| 6931952 | Device for in-line measurement of properties of fluid flows in pipeline systems A device called “pill” is provided for in-line measurement of properties, such as pressure and temperature, in a fluid flow within a pipeline system. The device is small enough to travel in the medium of the pipeline system in an unrestricted manner. It has at l... | 08/23/2005 |
| 6923873 | Paint stripping composition and method of using the same This invention concerns paint stripping compositions which are particularly suitable for stripping paint off aircraft. The basic composition consists of a mixture of specific amounts of the following substances: aromatic hydrocarbons, dimethyl formamide; N-methylpyr... | 08/02/2005 |
| 6922506 | Temperature compensating optical component packaging structure A packaging structure for supporting a segment of optical fiber provided with a wavelength filter optically coupled thereto. The wavelength filter defines a temperature dependent center wavelength and a rate of wavelength drift per temperature change. The optical fi... | 07/26/2005 |
| 6912346 | Optical filter device for temperature dependence control The invention provides an optical filter device which is particularly suitable for compensating the gain produced by an erbium doped fiber amplifier due to temperature variations. The device has a tapered fiber filter mounted on a rigid substrate, such as aluminium,... | 06/28/2005 |
| 6888624 | Method for measuring polarization dependent loss and insertion loss This invention provides a method of obtaining accurate measurements of polarization dependent loss and insertion loss during the tests aiming at measuring the polarization properties of optical components. This is achieved by taking into account every polarization d... | 05/03/2005 |
| 6850687 | Optical fiber retaining clip A retaining clip for retaining a strip of optical fiber. The clip includes a mounting base for mounting the clip to a mounting surface. A first spacing leg and a second spacing leg are both attached about their respective first ends to the mounting base. A first ret... | 02/01/2005 |
| 6850654 | Passive thermal compensation of all-fiber Mach-Zehnder interferometer The invention provides an all-fiber Mach-Zehnder interferometer in which the composition of one of the arms, which connect the couplers, or of a segment of such arm, is doped with dopants, such as GeO2, P2O5, B2O3 | 02/01/2005 |
| 6847744 | All-fiber linear design depolarizer An all-fiber depolarizer having a linear design includes a directional coupler associated with a polarization combiner. Linear light is pumped into the coupler where its intensity is split in two. Between the coupler and the combiner there is included an optical del... | 01/25/2005 |
| 6836599 | All-fiber Mach-Zehnder interferometer and method of making the same An all-fiber Mach-Zehnder interferometer has a central fiber structure in which two single-mode fibers are placed to have a desired path difference and are stabilized in such position by bonding them in certain spots. A coupler is then made on each side of the centr... | 12/28/2004 |
| 6832030 | Non-sinusoidal optical fiber filters and method of making the same An optical fiber filter (25) with a non-sinusoidal wavelength response is produced by forming an adiabatic taper in a single mode fiber (10) and forming non-adiabatic tapers (18, 20) on slopes at each end of the elongated central region of this ... | 12/14/2004 |
| 6782147 | Optical phase shifting, splitting and combining device A Mach-Zehnder device including an input port, an output port, a substantially achromatic first coupling region optically connected to the input port and a substantially achromatic second coupling region optically connected to the output port. An intermediate region... | 08/24/2004 |
| 6763685 | Fabrication of multiplexing and demultiplexing single-mode fiber optic couplers Multiplexing and demultiplexing single-mode fiber optic couplers are fabricated by aligning two single-mode fibers which have been stripped of their protective plastic jackets and cleaned so that they are held in parallel contact with each other, and then fusing the... | 07/20/2004 |
| 6760495 | All-fiber depolarizer An all-fiber optical depolarizer is provided in which polarized light is controllably injected into a polarization beam splitter at a 45° angle. The beam splitter is combined with a loop made of standard non-birefringent fiber through which one of the polarizations... | 07/06/2004 |
| 6723995 | Direct conversion flat panel X-ray detector with automatic cancellation of ghost images The invention provides a direct conversion flat panel X-ray detector with automatic cancellation of ghost images due to charge trapping. The detector includes a direct X-ray to charge converter, a readout thin film transistor array supported by a glass substrate and... | 04/20/2004 |
| 6718095 | Optical filters and method of making the same An optical filter is produced that has a desired spectral response. This is done by first decomposing the desired spectral response into individual simulated responses (F1 . . . F4) using a suitable computer program. Then tapered fiber filters are manu... | 04/06/2004 |
| 6658182 | Temperature stabilization of tapered fiber optic components A temperature stabilized tapered fiber optic component is produced, such as a fiber optic coupler or a fiber optic filter. In the case of the component such as a coupler, at least two fibers are fused and tapered to achieve a desired taper profile with su... | 12/02/2003 |
| 6643433 | Polarization-combining fused-fiber optical coupler and method of producing the same A polarization-combining fused-fiber optical coupler is made of polarization maintaining (PM) fibers spliced to non-birefringent single mode (SM) fibers which are fused and drawn near the splicing to form a coupler with an adiabatic tapered profile. The l... | 11/04/2003 |
| 6631232 | Adjustment of thermal dependence of an optical fiber A method of adjusting thermal dependence of an optical fiber involves hydrogenating the fiber to render it photosensitive, and then exposing it to UV radiation for such time period as to achieve the desired adjustment in the thermal dependence. In an all-... | 10/07/2003 |
| 6574411 | Bonding optical fibers to substrates A method is disclosed for securing an optical fiber to a packaging substrate with a bismuth-containing alloy of solder. For this purpose, the substrate may be provided with metallic pads or a blanket metallization to which the alloy or solder can adhere a... | 06/03/2003 |
| 6561721 | Cable bolt with a yielding fixture and method of forming the same A cable bolt comprises a cable with a tubular yielding fixture at one of its ends. The pull-off load of such yielding fixture can be adjusted to a desired value. This is achieved by unwinding one end of the cable and inserting a slug over the kingwire. Th... | 05/13/2003 |
| 6496643 | Internal termination for optical fibers A reflectionless termination is provided for an optical fiber that has a core and a cladding. The optical fiber forms part of a device which is mounted in a package and the termination fits inside the package. The termination consists of a short piece of ... | 12/17/2002 |
| 6466717 | Optical fiber filters and method of making the same An optical fiber filter is produced which has a sinusoidal response or a modulated sinusoidal response with any desired amplitude and wavelength period. This is achieved by first producing an elongated adiabatic taper in a single-mode fiber which has been... | 10/15/2002 |
| 6412264 | Low stretch elevator rope A low stretch elevator rope (10) is obtained in which a plastic core (12) has a central strength member (18) that does not increase the weight of the rope by more than 5%. Moreover, the plastic core (12) has a diameter exceeding 50% of the diameter of the... | 07/02/2002 |
| 6385957 | Wire rope with reverse jacketed IWRC A wire rope is disclosed, which has at most 18 outer strands and an independent wire rope core, with the strands of the core being laid in the opposite direction to the outer strands of the rope, and a nylon jacket is provided between the core and the out... | 05/14/2002 |
| 6353229 | Direct conversion digital x-ray detector with inherent high voltage protection for static and dynamic imaging A direct conversion digital x-ray detector is provided with inherent high voltage protection for static and dynamic imaging. The detector has an n-channel active matrix TFT array, a coplanar photoconductor structure and a high voltage biasing electrode. I... | 03/05/2002 |
| 6296723 | Near net-shape VPS formed multilayered combustion system components and method of forming the same The invention provides an improved near net-shape VPS formed multilayered combustion system component having an inner surface consisting of a smooth protective thermal barrier coating, and an outer layer of superalloy capable of withstanding temperatures ... | 10/02/2001 |
| 6219141 | Method and apparatus for measuring waviness of paper The invention provides a simple and efficient method and apparatus for carrying out a quantitative measurement of waviness in a sample of paper. This is done by stretching the paper sample to the point where all waviness is removed and measuring the elong... | 04/17/2001 |
| 6190235 | Method and apparatus for reclaiming used abrasives A method and apparatus are provided for reclaiming used abrasives. This is done by achieving a turbulent levitating fluidized bed in an elongated enclosure which is provided with a porous bottom through which air is blown at a desired velocity. In the upp... | 02/20/2001 |
| 6171643 | Method of producing multilayer plate for x-ray imaging A method for producing a multilayer plate for X-ray imaging is disclosed. As the first step in the method, there is provided a plate of a substrate. Then, there is deposited on this substrate a thin film of amorphous arsenic triselenide by thermal evapora... | 01/09/2001 |
| 6159269 | Recovery of metal from dross and apparatus therefore A process and an apparatus are disclosed for improved recovery of metal from dross, wherein a dross treating furnace is provided with a refractory wall or lining with good capacity to store and conduct heat. This furnace is preheated to a desired temperat... | 12/12/2000 |
| 6117298 | Cathodic protective coating on magnesium or its alloys and method of producing the same A method is provided for treating a magnesium-containing article to form a cathodic protective coating on such article. This is done by electrochemically treating the article, acting as a cathode, in an alkaline solution, preferably at a temperature of be... | 09/12/2000 |
