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| Number | Title | Issue Date |
| 8139282 | Display system A display system is based on a linear array phase modulator and a phase edge discriminator optical system. ... | 03/20/2012 |
| 8014057 | Extending the gamut color generation in a display In a display system, a color gamut of the displayed images is extended by adding one or more primary colors lying outside a tristimulus color space triangle to a Red, Green, Blue (RGB) system, modulating light emitted by both light sources lying inside the tristimul... | 09/06/2011 |
| 7940448 | Display system A display system is based on a linear array phase modulator and a phase edge discriminator optical system. ... | 05/10/2011 |
| 7660030 | Reciprocating optical modulation system In order to provide a reciprocating optical modulation system capable of obtaining a broad bandwidth, a reciprocating optical modulation system (1) of the present invention is basically provided with an optical modulator (2) modulating an output light ... | 02/09/2010 |
| 7626750 | Electro-optical device, drive circuit, and electronic apparatus Disclosed herein is an electro-optical device including: a plurality of electro-optical elements of which the intensity of emitted light is controlled according to drive signals; a plurality of unit circuits which output the drive signals; and a plurality of signal ... | 12/01/2009 |
| 7548363 | Bi-stable electrowetting optical element and driving method therefor An optical element used, e.g., in an electrowetting display device having a number of pixels, is arranged in an array. Each optical element includes a cell filled with a polar conductive fluid, such as a water solution, and a non-polar fluid, such as an oil. The cel... | 06/16/2009 |
| 7502157 | Multi-layer spatial light modulator for amplitude and phase control One embodiment relates to a method of independently controlling amplitude and phase modulation by a spatial light modulator. Light is illuminated onto upper layer deflectable planar areas and lower layer deflectable planar areas over a substrate of the spatial light... | 03/10/2009 |
| 7468828 | Spot array generation using a MEMS light modulator An optical system having a spatial light modulator (SLM), in which each pixel has an optical cavity and is adapted to: (i) change the intensity of a reflected beam by changing the size of the cavity and (ii) change the phase of the reflected beam by changing the pos... | 12/23/2008 |
| 7440642 | Integrated optical modulator and method for manufacturing the same An integrated optical modulator and method for manufacturing thereof are disclosed. The integrated optical modulator comprises a carrier wave band modulator using a double sideband modulation method and an intermediate frequency band modulator using a single sideban... | 10/21/2008 |
| 7426349 | Method of signal transmission in a WDM communication system In a representative embodiment, a transmitter of a WDM communication system is equipped with a Mach-Zehnder modulator (MZM) configured to produce an optical signal corresponding to a duobinary data stream by modulating a beam of light passing through the MZM. A thre... | 09/16/2008 |
| 7376358 | Location specific optical monitoring An optical spike is generated at an arbitrarily selected location within an arbitrary optical link. The optical spike is generated by deriving a spike signal having a plurality of components, and launching the spike signal into the a transmitter end of the optical l... | 05/20/2008 |
| 7369290 | Modulator bias control Approaches to bias control are disclosed for an optical modulator that modulates an optical carrier with a data input signal. In one embodiment an electrical bias input signal provided to the modulator is adjusted based on a characteristic of the data input signal d... | 05/06/2008 |
| 7368803 | System and method for protecting microelectromechanical systems array using back-plate with non-flat portion Disclosed is an electronic device utilizing interferometric modulation and a package of the device. The packaged device includes a substrate, an interferometric modulation display array formed on the substrate, and a back-plate. The back-plate is placed over the dis... | 05/06/2008 |
| 7367945 | Ultrasound system An ultrasound system includes an ultrasound probe configured for sensing and transmitting ultrasound signals. The ultrasound system further includes an optical conduit configured for coupling a light source and an optical detector in an optical path. The optical con... | 05/06/2008 |
| 7365349 | EUV light source collector lifetime improvements An apparatus and method for cleaning a plasma source material compound from a plasma produced EUV light source collector optic which may comprise reacting the plasma source material compound with hydrogen to form a hydride of the plasma source material from the plas... | 04/29/2008 |
| 7362493 | Micromirror and post arrangements on substrates A micromirror of a micromirror array of a spatial light modulator used in display systems comprises a mirror plate attached to a hinge that is supported by two posts formed on a substrate. Also the mirror plate is operable to rotate along a rotation axis that is par... | 04/22/2008 |
| 7349636 | Optical phase and intensity modulation with improved transmitters An apparatus for transmitting at least a digital optical signal with a simultaneous modulation of the amplitude and the phase, the said encoded optical signal having improved spectral efficiency and performances, and being generated by transmitters with simplified s... | 03/25/2008 |
| 7349144 | Exterior electrochromic reflective mirror element for a vehicular rearview mirror assembly An exterior electrochromic reflective mirror element for a vehicular exterior rearview mirror assembly comprises an electrochromic cross-linked polymeric solid film disposed between a first substrate and a second substrate. The electrochromic cross-linked polymeric ... | 03/25/2008 |
| 7349598 | Surface plasmon resonance device A surface plasmon resonance device of the present invention includes a transparent medium layer and a conductive layer, a periodic structure being present at the interface therebetween. Assuming that the wavelength of visible light incident on the conductive layer t... | 03/25/2008 |
| 7342210 | Remote control for auto-darkening lens systems and method A wireless remote control is provided for an auto-darkening lens (ADL) system used in a welding helmet, respirator system or other device to control or to adjust settings of an ADL of a controllable light shutter. A display system facilitates providing information i... | 03/11/2008 |
| 7338168 | Particle analyzing system and methodology An imaging system, methodology, and various applications are provided to facilitate optical imaging performance. The system contains a sensor having one or more receptors and an image transfer medium to scale the sensor and receptors in accordance with resolvable ch... | 03/04/2008 |
| 7330666 | Method and apparatus for controlling modulator phase alignment in a transmitter of an optical communications system A method of controlling phase alignment in a modulator of a transmitter in an optical communications system uses a narrowband optical filter to monitor changes in power spectral density of a modulated output at and around the optical carrier frequency. In one embodi... | 02/12/2008 |
| 7324262 | Optical shutter and light scanning apparatus employing the same An optical shutter includes a cell having a transparent panel and a hydrophobic transparent insulation panel which are arranged to face each other, a transparent electrode formed on an outer surface of the hydrophobic transparent insulation panel, and an opaque drop... | 01/29/2008 |
| 7317179 | Systems and methods to shape laser light as a homogeneous line beam for interaction with a film deposited on a substrate Systems and methods are disclosed for shaping and homogenizing a laser beam for interaction with a film. The shaping and homogenizing system may include a lens array and a lens that is positioned to receive laser light from the lens array and produce a respective el... | 01/08/2008 |
| 7302120 | Optical modulator An optical modulator which magnifies a modulation index and reduces affection of SBS by suppressing a light source carrier component in an equivalent light source spectral width and performs more long-distance transmission by suppressing one of sideband spectrums ge... | 11/27/2007 |
| 7286277 | Polarization light modulator Polarization light modulators are based on an interferometric design in which a polarizing beam splitter serves as a polarizer and analyzer. A polarization displacement device shifts orthogonally polarized light beams parallel to the long axis of their elongated cro... | 10/23/2007 |
| 7283288 | Scanning device According to an aspect of the invention, there is provided a scanning device, which is provided with a light source unit that emits a light beam, a collection optical system that converges the light beam emitted by the light source unit principally in an auxiliary s... | 10/16/2007 |
| 7282706 | Advanced optics for rapidly patterned laser profiles in analytical spectrometry The present invention is directed to a novel arrangement of optical devices for the rapid patterning of laser profiles used for desorption and/or ionization sources in analytical mass spectrometry. Specifically, the new optical arrangement provides for a user-define... | 10/16/2007 |
| 7277216 | Differential interferometric light modulator and image display system A differential interferometric light modulator and image display system comprises a polarizing beam splitter, a polarization displacement device and a linear array of MEMS optical phase shifting devices to modulate a line image. The polarizing beam splitter acts as ... | 10/02/2007 |
| 7259449 | Method and system for sealing a substrate A method of sealing a microelectromechanical system (MEMS) device from ambient conditions is described, wherein the MEMS device is formed on a substrate and a substantially hermetic seal is formed as part of the MEMS device manufacturing process. The method comprise... | 08/21/2007 |
| 7251417 | Method and apparatus for optimization of dispersion-managed return-to-zero transmission by employing optical pulses having variable widths A method and apparatus for transmitting optical pulses in a dispersion-managed optical transmission system comprises determining the pulse width of optical pulses in a optical transmission channel in accordance with the path-average dispersion (PAD) experienced by t... | 07/31/2007 |
| 7228679 | Electrical method of sensing operator presence on a walk-behind mower An operator presence control assembly for a walk-behind greens mower includes a handle supported on a frame of the walk-behind greens mower, a ribbon switch on the outer perimeter of the handle, and a circuit including the ribbon switch. The circuit is completed by ... | 06/12/2007 |
| 7227687 | Complex spatial light modulator One embodiment relates to a spatial light modulator (SLM) for modulating light incident thereon. The SLM includes a plurality of pixels, each pixel including a plurality of phase shift elements. The SLM also includes a transform filter adapted to control the imaging... | 06/05/2007 |
| 7224506 | Single side band modulation device A single side band modulation device includes a first Mach Zehnder interferometer and a second Mach Zehnder interferometer. The first Mach Zehnder interferometer includes at least two output arms, and the second Mach Zehnder interferometer includes at least two outp... | 05/29/2007 |
| 7224905 | Remotely-interrogated high data rate free space laser communications link A system and method of remotely extracting information from a communications station by interrogation with a low power beam. Nonlinear phase conjugation of the low power beam results in a high power encoded return beam that automatically tracks the input beam and is... | 05/29/2007 |
| 7224906 | Method and system for mitigating nonlinear transmission impairments in fiber-optic communications systems The present invention relates to a method for transmitting data. An optical pulse stream comprising a plurality of return-to-zero optical pulses is prepared by modulating a phase of light output by an optical source to thereby encode data from a data source. The lig... | 05/29/2007 |
| 7218437 | Field sequential color efficiency A method and system for generating colors efficiently. In one embodiment, a start signal for a primary color subcycle may be received. A primary light source used to drive the primary color may be activated if there is data in the primary color's buffer. The primary... | 05/15/2007 |
| 7217941 | Systems and methods for deflecting plasma-generated ions to prevent the ions from reaching an internal component of an EUV light source A system is disclosed for protecting an internal EUV light source component from ions generated at a plasma formation site. In one aspect, the system may comprise a plurality of foil plates and an arrangement for generating a magnetic field to deflect ions into one ... | 05/15/2007 |
| 7215893 | RF photonics residual error correction A fiber optic communication system is provided that includes a light source adapted to emit a system optical signal and an electrical signal source adapted to provide a data input electrical signal. Additionally, the fiber optic communication system includes a feed ... | 05/08/2007 |
| 7203216 | Timing control for two-chamber gas discharge laser system Feedback timing control equipment and process for an injection seeded modular gas discharge laser. A preferred embodiment is a system capable of producing high quality pulsed laser beams at pulse rates of about 4,000 Hz or greater and at pulse energies of about 5 to... | 04/10/2007 |
