Quotables
"Man will not fly for 50 years."
Wilbur Wright ; 1901
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7817896 | Optical waveguides containing quantum dot guiding layers and methods of manufacture Planar waveguides having quantum dots and methods of manufacture of the planar waveguide are described. ... | 10/19/2010 |
| 7570414 | Magnetic photonic crystal structure for providing spatial frequency asymmetry for light propagating in different directions A magnetic photonic crystal for providing asymmetry of spatial frequencies in the propagation of light is provided. The crystal is formed from at least two materials having different indices of refraction which are aligned along the longitudinal axis of the crystal.... | 08/04/2009 |
| 7436871 | Method and device for performing wavelength modulation with Distributed Bragg Reflector (DBR) laser The present invention is directed to a method and system for providing phase modulated current to a semiconductor laser to control beam wavelength. A first current is received into a gain portion of the semiconductor laser and a second current is received into a DBR... | 10/14/2008 |
| 7388892 | System and method for optically powering a remote network component Both a system and method for optically powering a network component, such as the transponder of a picocell, is provided. The system includes a vertical cavity surface emitting laser (VCSEL) for processing an input signal, a remotely-located optical power source, and... | 06/17/2008 |
| 7169213 | Multi-channel cross-flow porous device A multi-channel modular device (10) processes between two fluid streams of different compositions. The device (10) includes a porous body (150) having a first plurality of feed-flow pathways (110) disposed in the body (150) for tra... | 01/30/2007 |
| 7129510 | Optical sensors An optical sensor comprises at least one bundle comprising a plurality of optical fibers and a plurality of separate fluid-tight longitudinally extending ducts; and fluid connectors for introducing fluids selectively into at least some of said ducts. Test cells are ... | 10/31/2006 |
| 7092165 | Microlens arrays having high focusing efficiency Microlens arrays (105) having high focusing efficiencies are provided. The high focusing efficiencies are achieved by accurately producing the individual microlenses making up the array at high fill factors. Arrays of positive microlenses are produced by form... | 08/15/2006 |
| 7088874 | Electro-optic devices, including modulators and switches An electro-optical device capable of modulating the amplitude or phase of an optical output in response to an electrical data or control signal, or of switching it, has reduced frequency-dependence and a better combination of operating voltage and bandwidth. It comp... | 08/08/2006 |
| 7072376 | Method of manufacturing an InP based vertical cavity surface emitting laser and device produced therefrom A method of fabricating an indium phosphide-based vertical cavity surface emitting laser (VCSEL) having a high reflectivity distributed Bragg reflector (DBR) that is particularly adapted for emitting a light having a center wavelength of around 1.30 micrometers. The... | 07/04/2006 |
| 7062113 | Integrated optical chip An integrated optical chip has a crystalline structure cut along parallel principal crystallographic planes and a thickness of less than 1.0 mm. An optical signal pathway is disposed generally longitudinally in one of the cut surfaces of the chip, and the chip is at... | 06/13/2006 |
| 7057785 | Optical regenerator There is provided a two-stage optical regenerator for regenerating a data signal comprising a series of optical pulses. Each stage of the optical regenerator comprises a modulator for modulating a reference signal with an input signal, and an interferometer for caus... | 06/06/2006 |
| 7033736 | Structured screens for controlled spreading of light Structured screens for the controlled spreading, diffusion, or scattering of an incident beam are provided. The screens are composed of microstructures (1,2) whose configurations and distribution on the surfaces of the screen are precisely determined. In cert... | 04/25/2006 |
| 7029187 | Optical fiber splice manufacturing process A method for splicing optical fibers includes securing a first optical fiber and a second optical fiber within an apparatus, stripping a coating from about the first optical fiber by a first laser beam generated from at least one laser, and stripping a coating from ... | 04/18/2006 |
| 7027468 | Phase-insensitive recovery of clock pulses of wavelength division multiplexed optical signals An optically-pumped mode-locked fiber ring laser for optical clock recovery of multiple wavelength division multiplexed optical signals actively mode-locks a plurality of outputs of the laser as a plurality of recovered clocks for a plurality of the multiple wavelen... | 04/11/2006 |
| 6982439 | Tunnel junctions for long-wavelength VCSELs A tunnel junction device (102) with minimal hydrogen passivation of acceptors includes a p-type tunnel junction layer (106) of a first semiconductor material doped with carbon. The first semiconductor material includes aluminum, gallium, arsenic and an... | 01/03/2006 |
| 6970289 | Screen for rear projection display A rear projection screen for use with a projection lens which has an exit pupil (23) is provided. The screen has a light entering side and a light exiting side and comprises in order from said light entering side to said light exiting side: (a) a Fresnel stru... | 11/29/2005 |
| 6859326 | Random microlens array for optical beam shaping and homogenization Microlens arrays are defined with microlens elements that differ from each other in accordance with a probability distribution for shaping an optical beam having a prescribed intensity profile within a desired far-field scatter pattern. The differences include rando... | 02/22/2005 |
| 6835535 | Microlens arrays having high focusing efficiency Microlens arrays (105) having high focusing efficiencies are provided. The high focusing efficiencies are achieved by accurately producing the individual microlenses making up the array at high fill factors. Arrays of positive microlenses are produced by form... | 12/28/2004 |
| 6826220 | Semiconductor laser element having a diverging region A semiconductor ridge laser for coupling to a single-mode optical fiber has a ridge with a narrow parallel region, a diverging region, and then a wide parallel region that is adjacent to an output facet. A pump region for the laser may be less than the entire area o... | 11/30/2004 |
| 6813447 | Recovery of clock pulses of wavelength division multiplexed optical signals Apparatus for recovering clock pulses of wavelength division multiplexed optical signals passed therethrough. The apparatus comprises an optically-pumped laser cavity defining a cavity length and comprising a nonlinear medium pumped at a wavelength selected to give ... | 11/02/2004 |
| 6778718 | Alignment of active optical components with waveguides A connector assembly for connecting and aligning an active optical component with an optical waveguide is provided. The assembly comprises: (i) a waveguide chip having an optical waveguide embedded beneath a cladding layer and a cavity for accommodating the a... | 08/17/2004 |
| 6770425 | Self-aligned aperture masks having high definition apertures Self-aligned aperture masks are produced using a positive-acting photoresist (18) which is developed with a liquid developer. The apertures (30) of the mask have lower levels of inter-aperture variability than masks produced using mechanical transfer o... | 08/03/2004 |
| 6712528 | Optical bench for an opto-electronic device The invention relates to an optical assembly for opto-electronic packages comprising an optical fibre secured on the underside of an elongated support member in optical alignment with an opto-electronic device, wherein said support member is affixed to an aligning m... | 03/30/2004 |
| 6700702 | High-contrast screen with random microlens array Screens for use with image-forming illumination (53,54) are provided, as well as methods for producing such screens. The screens include an array of lenses (51), a substrate, and a layer of light-absorbing material (55) in which apertures are formed using... | 03/02/2004 |
| 6643058 | Pumping method and unit for optical amplifiers Optical pumping unit comprising a first pump source adapted to emit a first pump radiation at wavelength λp1; a second pump source adapted to emit a second pump radiation at wavelength λp2, with wavelength λp2 different from wavelength λp1; and a comm... | 11/04/2003 |
| 6577425 | Optical device for processing a sequence of bits An optical selector for an asynchronous transfer mode (ATM) optical network, the said selector being capable of selecting ATM cells of bits having a frequency of arrival f less than or equal to a predetermined frequency (PCR), the said optical selector co... | 06/10/2003 |
| 6542269 | Optical device for processing an optical impulse An optical device comprises an input for an input optical impulse and an optical beam splitting element for supplying, from the input optical impulse, a first pair and a second pair of optical impulses. Also included is a first optical delay element to de... | 04/01/2003 |
| 5668967 | Apparatus and methods for reducing numbers of read-modify-write cycles to a memory, and for improving DMA efficiency Disclosed are methods and apparatus for interfacing a central processor (12) (CP) and an IO controller (30) (IOC) to a main memory (40). A CP and an IO write buffer each include a pair of memory input data registers, located in a pair of Memory Data Unit ... | 09/16/1997 |
| 5634124 | Data integration by object management An object based data processing system including an extensible set of object types and a corresponding set of "object managers" wherein each object manager is a program for operating with the data stored in a corresponding type of object. The object manag... | 05/27/1997 |
| 5625833 | Document annotation & manipulation in a data processing system A data processing system provides annotation of a document with annotations inputted through an electronic tablet, a keyboard and an audio assembly. The annotations are entered in a modeless operation of the three input streams. Input by the tablet utiliz... | 04/29/1997 |
| 5617570 | Server for executing client operation calls, having a dispatcher, worker tasks, dispatcher shared memory area and worker control block with a task memory for each worker task and dispatcher/worker task semaphore communication A server for executing operation calls by a client, including a dispatcher, a plurality of worker tasks, and a dispatcher shared memory area and worker control block for each worker task. Each operation call provided from a client is a sequence or one or ... | 04/01/1997 |
| 5587673 | Clock frequency multiplying and squaring circuit and method A circuit (10) for generating an output signal having a frequency that is a multiple of an input clock signal (CLKIN). The circuit includes a delay circuit (12) having an input port and a plurality of output ports (A,B,C). The input port is coupled during... | 12/24/1996 |
| 5583537 | Computer graphics system having a pause utility for interactive operations A pausing and resuming utility in a computer graphics application allows the user to temporarily suspend a user-interactive operation without completing it. The user may resume the operation where it was suspended and continue in the same manner as if it ... | 12/10/1996 |
| 5564044 | Integration of result data from first program operations on dynamic source data into data of a second program A mechanism and a method for integrating first data created by a first application program and residing in a first data object belonging to the first application into a second data object where the first data is result data generated by operation of the f... | 10/08/1996 |
| 5560017 | System with clock frequency controller responsive to interrupt independent of software routine and software loop repeatedly executing instruction to slow down system clock In a portable computer the BIOS software slows the system clock frequency during idle periods. The BIOS software returns the system to its normal operating frequency when an awaited event such as a keystroke occurs. In the event of an interrupt while the ... | 09/24/1996 |
| 5553242 | Client/server connection sharing A connection mechanism for providing connections between a client and a server including a connection control block for each connection, at least one client control block, and at least one session control block. Each connection control block identifies a ... | 09/03/1996 |
| 5548664 | Automatic determination of blank pages and binary images' bounding boxes A method, and apparatus for executing the method, for processing digitized image data representative of a page. The method includes the steps of (a) processing the image data on a scanline by scanline basis to partition the image data into a plurality of ... | 08/20/1996 |
| 5542084 | Method and apparatus for executing an atomic read-modify-write instruction A circuit that enhances the performance of the execution of a read-modify-write instruction type. The circuit provides hardware detection and decoding of various options specified by the instruction, and greatly improves the performance and conserves spac... | 07/30/1996 |
| 5517586 | Method and apparatus for automatically specifying a portion of text from a bitmap image of the text A document processing system (10) includes a user interface (22, 24, 25) and a memory (18) for storing bitmap data (18a) representing a document (14) that includes text. The user interface includes a display (22, 22a) for visualizing an image of the bitma... | 05/14/1996 |
| 4457181 | Narrow profile vortex shedding body A body for improved shedding of vortices within a flowing fluid has a very short downstream length, e.g. 1/8 inch, yet is capable of excellent flow metering performance. The body includes an upstream elongate thin plate spanning the inner diameter of a co... | 07/03/1984 |
