Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7234853 | Textile product with illuminated fibers manufacturing process Textile product comprising light guiding fibres (2) consisting of a central core capable of transmitting the light and of an external sheath, in which at least a length portion of said external sheath presents, in respect to the internal core, a refraction in... | 06/26/2007 |
| 7236656 | Optical transport network An optical transport network comprises a monolithic transmitter photonic integrated circuit (TxPIC) InP-based chip and a monolithic receiver photonic integrated circuit (RxPIC) InP-based chip. ... | 06/26/2007 |
| 7236657 | Optical switch and optical add/drop multiplexer using the same An optical switch easy to adjust optical parts without using a catoptric system and an optical add/drop multiplexer using the optical switch are provided. Between an input light outputting collimator device 20 and an output light inputting collimator device | 06/26/2007 |
| 7236663 | Display element and display device using the same A display element is provided with a light source and a waveguide that propagates a light emitted from the light source, wherein the light propagated in the waveguide is extracted to outside from a waveguide lateral face, and wherein the light is extracted out of th... | 06/26/2007 |
| 7234343 | Method and apparatus for evanescent filed measuring of particle-solid separation Evanescent wave scattering by a scanning probe in a scanning probe microscope is utilized to determine and monitor separation between a scanning probe and a sample. A laser light is totally internally reflected at the interface between a more optically dense (incide... | 06/26/2007 |
| 7235150 | Multi-channel laser pump source for optical amplifiers An optical assembly, such as a multiple output diode laser pump source for EDFAs, is formed by pressing an optical array emitter chip against a standoff structure protruding from a submount such that the emitter chip deforms to match the curvature of the standoff st... | 06/26/2007 |
| 7236666 | On-substrate microlens to couple an off-substrate light emitter and/or receiver with an on-substrate optical device Optical apparatus, methods of forming the apparatus, and methods of using the apparatus are disclosed herein. In one aspect, an optical apparatus may include a substrate, an on-substrate microlens coupled with the substrate to receive light from an off-substrate lig... | 06/26/2007 |
| 7233723 | Optoelectronic assembly with coupling features for alignment An optoelectronic assembly includes an optical lens element (OLE) coupled to a substrate. The substrate includes a transducer, a standing structure on the transducer, a transducer lens supported by the standing structure over the transducer, and alignment features. ... | 06/19/2007 |
| 7233027 | Arrangement comprising at least two different electronic semiconductor circuits The invention relates to an arrangement comprising at least two different electronic semiconductor circuits (HS) in which each of the semiconductor circuits (HS) is a component made of semiconductor material and which has an electrically active surface and electroni... | 06/19/2007 |
| 7233713 | Etched-facet semiconductor optical component with integrated end-coupled waveguide and methods of fabrication and use thereof An optical apparatus comprises a semiconductor optical device waveguide formed on a semiconductor substrate, and an integrated end-coupled waveguide formed on the semiconductor substrate. The integrated waveguide may comprise materials differing from those of the de... | 06/19/2007 |
| 7233722 | System and method for fiber optics based direct view giant screen flat panel display An apparatus and method for displaying large format images, graphics, and videos. The apparatus comprise a layer of column oriented optical fibers, each fiber is illuminated at one end by at least one laser diode, and a second layer which sits in front of the first ... | 06/19/2007 |
| 7231114 | Multimode fiber optical fiber transmission system with offset launch single mode long wavelength vertical cavity surface emitting laser transmitter A multimode fiber optical fiber transmission system includes an improved configuration for launching a single mode long wavelength transmission signal into existing multimode optical fiber networks. More specifically, the invention utilizes new single mode long wave... | 06/12/2007 |
| 7231117 | Apparatus for stabilizing laser wavelength A technique to stabilize the effective refraction index of a laser generating system's wave guide, as well as a technique to stabilize the phase of the wave guide. In at least one embodiment of the invention, a polymer is used within the wave guide to counteract the... | 06/12/2007 |
| 7229218 | Apparatus and method of providing an optical connection between PC boards for optical communication Apparatus for connecting an interconnecting cable between first and second printed circuit (PC) boards comprises: a base member disposed on a side of the first PC board for fixedly attaching one end of the interconnecting cable to the first PC board; a first connect... | 06/12/2007 |
| 7228032 | Apparatus and methods for launching an optical signal into multimode optical fiber The launch conditions (injected beam size/shape, radial/angular offset from the multimode fiber axis) may be varied to preferentially excite certain transverse modes of multimode optical fiber. To reduce multimode dispersion in the fiber, modes are excited having sm... | 06/05/2007 |
| 7228033 | Optical waveguide lens and method of fabrication A spherical lens formed by fusing a generally homogenous glass lens blank to the distal end of an optical fiber, heating and tensioning the lens blank to separate it in two segments with the segment attached to the optical fiber defining a tapered end, and heating t... | 06/05/2007 |
| 7226789 | Method of applying non-linear dynamics to control a gas-phase polyethylene reactor operability The present invention describes a method for determining reactor continuity of a polymerization reactor by non-linear dynamics. Specifically, the invention relates to a method of analyzing system variables to indicate gas phase reactor continuity in real-time and co... | 06/05/2007 |
| 7228025 | Thin film interleaver A thin film interleaver device is disclosed. The thin film interleaver includes thin film optics. The thin film(s) are formed such that they reflect one group of wavelengths while allowing a second group of wavelengths to pass through the thin film(s). The thin film... | 06/05/2007 |
| 7226214 | Fiberoptic connector and methods A fiberoptic connector is constructed entirely of metal and includes structure to radiate heat. Preferably, the fiberoptic connector also includes an arrangement to indicate whether the fiberoptic connector is holding an energized optical fiber. Preferably, the heat... | 06/05/2007 |
| 7224855 | Optical multiplexing device An optical multiplexing device includes an optical element having at least one set of diffractive elements, and an optical reflector. The reflector routes, between first and second optical ports, that portion of an optical signal transmitted by the diffractive eleme... | 05/29/2007 |
| 7224865 | Optical multiplexing/multiplexing devices and method for making the same Techniques for designing optical devices that can be manufactured in volume are disclosed. An optical assembly is build individually and includes a first tube with one end being polished to a slanted angle and attached with a filter. Because of the slanted angle, a ... | 05/29/2007 |
| 7224875 | Semiconductor optical device integrated with a photo detector The present invention provides a semiconductor optical device 1 that includes a photodiode capable of monitoring front light of the light-emitting device. The optical device 1 includes a photodiode 3, which is formed on a substrate 7 and ... | 05/29/2007 |
| 7222974 | Light source device and projection type display device In a rod-like member 2 through which light can pass, one end 2a is formed as a light exit portion, other surface than this one end 2a is formed as a light reflecting surface 2b and a plurality of LEDs 3 is disp... | 05/29/2007 |
| 7221825 | Optical coupler An optical coupler comprises an input waveguide, an intermediate waveguide, an output waveguide, a first grating situated between the input and intermediate waveguides, and a second grating situated between the intermediate and output waveguides such that, in use, l... | 05/22/2007 |
| 7221816 | Substrate, semiconductor device, method of manufacturing substrate, and method of manufacturing semiconductor device A substrate for mounting an optical element having a light emission/reception part is disclosed. The substrate includes a base material and an optical waveguide penetrating through the base material. The optical waveguide is positioned opposite to the light emission... | 05/22/2007 |
| 7221821 | Hitless errorless trimmable dynamic optical add/drop multiplexer devices The present invention is generally directed to integrated optical add/drop multiplexer devices in which light of a specific wavelength (or specific wavelengths) can be added to or dropped from a main fiber optic line. An actuation mechanism (e.g., heat) is used to t... | 05/22/2007 |
| 7220035 | Compact, high-efficiency illumination system for video-imaging devices An illumination system for a video-imaging device has a light source and a collector of light from the light source. The collector is formed according to the principles of non-imaging optics and receives a portion of the light from the light source. The collector is... | 05/22/2007 |
| 7221823 | Fiber coupler, system and associated methods for reducing back reflections An apparatus which couples light to a fiber from a light source at an input plane while reducing back reflections includes returning light reflected back through such that the returning light does not substantially overlap with an output of the light source in the i... | 05/22/2007 |
| 7220064 | Coupling optical system for optical communications A coupling optical system for coupling light into an optical fiber of an optical communications system includes a liquid that includes a dispersion of microscopic particles and two transparent media that hold the liquid between them along an optical axis. The refrac... | 05/22/2007 |
| 7218812 | Planar waveguide with patterned cladding and method for producing the same Integrated optical waveguides and methods for the production thereof which have a patterned upper cladding with a defined opening to allow at least one side or at least one end of a light transmissive element to be air clad. The at least one side or at least one end... | 05/15/2007 |
| 7218810 | Biochemical assay detection in a liquid receptacle using a fiber optic exciter Biochemical assays that are performed in cuvettes and in the wells of multi-well plates and that utilize excitation and light emission as labels for detection are enhanced by an illumination and detection system that supplies excitation light through an optical fibe... | 05/15/2007 |
| 7218813 | Optical communication system An optical communication system has a plastic optical fiber (POF) and an optical communication module. The POF has a spherical end surface, and light emitted from the spherical end surface has an NA of 0.35 or lower. The POF is installed in the module such that a li... | 05/15/2007 |
| 7218832 | Eye-diagram mask for optical pulses In an optical data transmission system, high frequency pulsed optical signals are transmitted along an optical fiber. These pulses are attenuated and distorted by transmission over long optical fibers making detection of data difficult at the receiving end. The allo... | 05/15/2007 |
| 7217010 | Reflector with negative focal length A luminaire with reflector of negative focal length is disclosed, which comprises a light source and a luminaire screen having a reflector of negative focal length, a side screen and a plate; wherein the reflector of negative focal length is capable of reflecting th... | 05/15/2007 |
| 7217574 | Method and apparatus for biosensor spectral shift detection Performing high-resolution determination of the relative shift of the spectral properties of a biosensor. The shift in the resonance peak of the biosensor is indicative of the amount of material bound to the surface of the biosensor. A preferred biosensor is a Guide... | 05/15/2007 |
| 7218828 | Optical fiber power splitter module apparatus Embodiments of the invention include an optical power splitting module apparatus. The module apparatus includes at least one input port, one or more multi-fiber output ports, and an optical fiber-splitter device coupled therebetween. The optical splitter device has ... | 05/15/2007 |
| 7218441 | Non-polarization light source device and raman amplifier A laser light source outputs a virtually linearly-polarized light beam that has plural mode components arranged at an interval of an almost equal angular frequency. A polarization dispersion device is connected to the laser light source in such a way that a polariza... | 05/15/2007 |
| 7218451 | Integrated optical multiplexer and demultiplexer Optical multiplexers and demultiplexers are provided. In one implementation an apparatus is provided. The apparatus includes a first laser diode pair, a second laser diode pair, a polarization rotator coupled between the first and the second laser diode pairs, and a... | 05/15/2007 |
| 7218815 | Athermal arrayed waveguide grating An athermal arrayed-waveguide grating is disclosed and includes an input waveguide for inputting two or more optical signals from one exterior side, a grating array for separating the optical signals into different wavelengths of light, a first slab, formed with two... | 05/15/2007 |
| 7218824 | Light emitting device The invention relates to a light emitting device consisting of one or more light sources coupled to a light guide containing diffuser particles having a refractive index close to the refractive index of the core of the light guide. The diffuser particles cause a sca... | 05/15/2007 |