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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7280717 | Automatic shutdown system and method for optical multiplexers and demultiplexers An automatic shutdown system for optical multiplexers and demultiplexers includes an optical switch that is disposed in a common optical channel between a transmitter and a receiver of an optical communication system. The optical switch may attenuate or block a sign... | 10/09/2007 |
| 7280722 | Temperature compensated optical multiplexer An optical multiplexer that adjusts the wavelength response and compensates for temperature effects by using rotatable mirror. The wavelength response of the device is adjusted by aligning the mirror at a correct angle with respect to the surface terminating the opt... | 10/09/2007 |
| 7280734 | Expanding single mode fiber mode field for high power applications by fusion with multimode fiber Apparatus and methodology for the low coupling of optical fibers in high power applications. An end of a single mode optical fiber, or a polarization maintaining fiber, is cut and spliced to a relatively short segment of an index matched multi-mode fiber or an optic... | 10/09/2007 |
| 7280735 | Combined optical fiber wheel, beamsplitter, switch, and logic gate A machine that can pass, reflect, filter, or block light along multiple paths. The specific portions of light that can be passed, reflected, blocked, or filtered, are controlled by an optical routing subassembly. This optical routing subassembly can be manipulated t... | 10/09/2007 |
| 7279826 | Reflector lamp with a partially reflective burner A reflector lamp is described which consist essentially of a light source, in particular in the form of a high-pressure gas discharge lamp (HID [high intensity discharge] lamp or UHP [ultra high performance] lamp), as well as a main or secondary reflector (12... | 10/09/2007 |
| 7277740 | Analysis system for reagent-free determination of the concentration of an analyte in living tissue The present invention is generally directed towards a system for reagent-free determination of the concentration of an analyte in vivo. The system comprises a light transmitter for generating monochromatic primary light, a scattered-light percutaneous sensor which i... | 10/02/2007 |
| 7277609 | Methods for manipulating light extraction from a light guide In one embodiment, a method of defining an array of extractor elements configured to extract light from a light guide, and thereby produce a desired spatial light pattern ET quantifying optical output at a plurality of locations across the light guide is ... | 10/02/2007 |
| 7277617 | Optical pulse compressor based on integrated planar lightwave circuit: method, device, and systems A nonlinear optical waveguide may be utilized, together with arrayed waveguide grating demultiplexer/multiplexer and thermo-optic phase shifters, to achieve pulse compression of optical pulses. In some embodiments, a relatively compact pulse compressor can be achiev... | 10/02/2007 |
| 7275877 | Optical module having individual housing for an optical processing unit and an optical sub-assembly The present invention provides an optical module in which an optical alignment between the light-emitting device and the waveguide device may be simplified. The optical module of the present invention has a waveguide device, first and second lenses, a housing and an... | 10/02/2007 |
| 7275876 | Optical transmission circuit device A plurality of boards are arranged perpendicular to a base plate and parallel to each other. An optical transmission circuit connects the boards according to an optical transmission method. Each of the boards has a photoelectric conversion circuit that converts opti... | 10/02/2007 |
| 7277229 | Linear light beam generating optical system An optical system includes semiconductor lasers arranged in the direction of the slow axis of the laser beam, an optical means which makes parallel the collimated laser beams, an optical member which is provided with inlet and outlet faces which are positioned in pe... | 10/02/2007 |
| 7274843 | Optical fiber including a diffuser portion and continuous sleeve for the transmission of light A novel optical fiber, and a method for its production, having a diffuser portion and continuous unitarily-constructed outer sleeve, which is adapted for the transmission of light to a treatment locale. More particularly, a medical instrument has an optical fiber in... | 09/25/2007 |
| 7274011 | Spectral imager and fabrication method A spectral imager includes an elongate light propagation medium that receives light at one end, has graded average spectral absorption properties in the elongate direction, and spectral detectors distributed in the elongate direction. The spectral absorption propert... | 09/25/2007 |
| 7274012 | Optical fiber probe, light detection device, and light detection method An optical fiber probe is disclosed that comprises an optical fiber and an optical probe. The optical fiber includes a core though which light emitted from a light source travels. The optical probe is configured to emit the light from a projecting end portion of the... | 09/25/2007 |
| 7274836 | Optical module using a linear sensor for identifying images An optical module using a linear sensor for identifying images includes a circuit board, a linear sensor installed on the circuit board, a light source set installed on the circuit board, and an optical element. The optical element includes a first plane, a second p... | 09/25/2007 |
| 7272276 | Optical performance monitor An optical performance monitor for measuring the performance of optical networks has an echelle grating for demultiplexing an input beam into a plurality of wavelengths that are focused onto an array of divided output waveguides. Each divided output waveguide is pos... | 09/18/2007 |
| 7272280 | Optical coupler for measuring wavelength An optical coupler for measuring mean wavelength of a broadband optical source is described. Sensitivity of the optical coupler to variations of refractive index and coupler length is minimized. The sensitivity to the variations of the refractive index is minimized ... | 09/18/2007 |
| 7272278 | Optical multiplexer/demultiplexer The present invention relates a variable optical multiplexer/demultiplexer which can be made smaller and can restrain characteristics from deteriorating. The optical multiplexer/demultiplexer comprises a first optical system, a wavelength branching device, a second ... | 09/18/2007 |
| 7269310 | Optical connector, optical coupling method and optical element An optical connector used for inputting light to an optical element from an external optical system or outputting light from an optical element to an external optical system includes a photonic crystal having a periodic refractive index structure, and an optical wav... | 09/11/2007 |
| 7269306 | Actuator arrangement for excitation of flexural waves on an optical fiber A system for exciting flexural waves on an optical fiber (102) is provided. The system includes a substrate (114, 118), an actuator (106), and a mechanical optical fiber coupling (104). The actuator is formed of an electromechanical trans... | 09/11/2007 |
| 7269326 | Photonic input/output port The present I/O ports comprise (1) a layered structure comprising (a) an unpatterned superstrate having at least one layer, (b) an unpatterned substrate having at least one layer, and (c) at least one intermediate layer sandwiched between the unpatterned superstrate... | 09/11/2007 |
| 7269190 | Er-doped superfluorescent fiber source with enhanced mean wavelength stability An erbium-doped (Er-doped) superfluorescent fiber source (SFS) has an enhanced mean wavelength stability. A method determines an estimated mean wavelength of a SFS. The method includes providing an Er-doped SFS having an actual mean wavelength. The method further in... | 09/11/2007 |
| 7265840 | Coupling method for coupling high power optical beams into an optical waveguide A method for determining an improved alignment to couple a beam having a high power level into a waveguide. The power of the beam is reduced to a minimum test power level. The reduced-power beam is aligned in a test alignment such that it forms a beam spot on the co... | 09/04/2007 |
| 7265306 | Flip pack switch assembly with electroluminescent lamp and injection molding method of making same A switch flip pack for the interior of an automobile comprising a door trim panel with a switch panel carrying at least one electrical switch, a flip cover pivotally attached to the switch panel, and a electroluminescent lamp mounted to the flip cover. The flip cove... | 09/04/2007 |
| 7266267 | Microfluidic, optical, and electrical input output interconnects, methods of fabrication thereof, and methods of use thereof Input/output (I/O) interconnects, fluidic I/O interconnects, electrical, optical, and fluidic I/O interconnects, devices incorporating the I/O interconnects, systems incorporating the I/O interconnects, and methods of fabricating the I/O interconnects, devices, and ... | 09/04/2007 |
| 7266294 | Coupler-based optical cross-connect An optical cross-connect includes multiple input ports that each receives an optical input signal and multiple output ports that each output an optical output signal. The optical cross-connect also includes a distributing amplifier associated with each input port th... | 09/04/2007 |
| 7264973 | Label-free methods for performing assays using a colorimetric resonant optical biosensor The instant invention provides compositions and methods for determining cell interactions that are faster than conventional methods and that require the use of fewer reagents than conventional methods. ... | 09/04/2007 |
| 7263248 | Optical via to pass signals through a printed circuit board An optical via within a printed circuit board (PCB) to route optical signals from one level to another through the PCB. The optical signals entering the optical via from an optoelectronic device, or other source, may be routed by an optical waveguide to enter other ... | 08/28/2007 |
| 7263256 | Optical connection block, optical module, and optical axis alignment method using the same An optical module is disclosed. The optical module includes a substrate, and at least one planar optical waveguide that includes a plurality of waveguides and at least one groove vertically penetrating the upper surface of the substrate and which is successively lam... | 08/28/2007 |
| 7263259 | Multiple-source arrays fed by guided-wave structures and resonant guided-wave structure cavities A multiple source array including a guided-wave structure having a dielectric core and a cladding covering the dielectric core; and an array of dielectric-filled, guided-wave cavities in the cladding extending transversely from the dielectric core and forming an arr... | 08/28/2007 |
| 7263255 | System, method and apparatus for providing uniform illumination An apparatus and method may provide uniform illumination on the retina using scanned continuous wave laser sources by making use of waveguides with regular shaped cross sections. Some embodiments of the present invention may provide illumination uniformity for selec... | 08/28/2007 |
| 7262902 | High gain resonant modulator system and method An optical resonant modulator includes an optical ring resonator and an optical loop that is coupled to the optical ring resonator by two couplers. The optical ring resonator can have a hybrid design in which the ring resonator is formed on an electro-optically pass... | 08/28/2007 |
| 7263288 | Optical routing using a star switching fabric In one embodiment, a router includes a plurality of line cards each operable to receive at least one packet comprising an identifier associated with a destination element external to the router. Each line card includes a look-up table operable to facilitate routing ... | 08/28/2007 |
| 7263250 | Optical switch using polarization beam splitters A polarization based optical switch capable of redirecting light signals to a plurality of different output locations. The optical switch utilizes polarization beam splitters to separate each optical channel into multiple polarization portions. Reflection members ar... | 08/28/2007 |
| 7263257 | Gires-Tournois etalons and dispersion compensation A first embodiment of the invention provides a Gires-Tournois etalon (DGTE) 20 comprising a cladding mode suppressed optical fibre 22, including an etalon section 24 in which a weakly reflective optical waveguide grating 26 and a strongly... | 08/28/2007 |
| 7261474 | Connection structure between optical element and optical fiber, connection method thereof, and optical module To provide a connection structure between an optical element and an optical fiber, which makes it possible to inexpensively secure optical transmission between the optical element and the optical fiber. A connection structure between an optical element and an optica... | 08/28/2007 |
| 7258495 | Lensed fiber stub assemblies optical and optoelectronic packages including them The present invention relates to lensed fiber stub assemblies and optical and optoelectronic packages including them. The fiber stub assemblies include a section of lensed fiber having a lensed end having a lens face, and a distal end having an endface, a lens align... | 08/21/2007 |
| 7260740 | Fault-tolerant computer cluster and a method for operating a cluster of this type A computer cluster includes a network plane and a processing plane. In the cluster, the network plane is formed by at least one network computer, which is configured to assign a time tag to incoming request data. The processing plane is composed of at least two proc... | 08/21/2007 |
| 7260288 | Optical wave guide element, and manufacture therefor An object of the present invention is to provide an optical wave guide element for making the miniaturization of the entire device including the optical wave guide element possible, by connecting optical fiber for incoming and outgoing radiation to the optical wave ... | 08/21/2007 |
| 7260294 | Wavelength tuning device and wavelength tuning method A wavelength tuning device of the invention tunes the reflected wavelength of a fiber Bragg grating, and includes: an optical fiber (102) in which a fiber Bragg grating (106) is formed; a base member (104) to which the optical fiber (102 ... | 08/21/2007 |
