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| Number | Title | Issue Date |
| 7680369 | Optical fibre switching assembly An optical beam steering arrangement, comprises: a moveable optical element; actuating means for causing the movement of said element; a connecting means between said element and said actuating means for transmitting movement from said actuating means to said elemen... | 03/16/2010 |
| 7570848 | Lens adjusting method, lens adjusting device, and optical switch An optical switch includes plural pairs of ports and first lenses, each of the ports emitting light in a diffused manner or receiving light input thereto in a collected manner, and the first lenses respectively collimating light emitted from the ports; a second lens... | 08/04/2009 |
| 7526154 | Cover for optical fibers and/or optical devices Apparatus and methods are provided for controlling a light emission from an end of an optical fiber by utilizing a cover that blocks the light emission at the fiber end, a detector situated between the fiber end and the cover that detects the blocked emission, and a... | 04/28/2009 |
| 7444042 | Optical switch An optical switch is implemented with one or more cantilevered optical channels, which are formed in a flexible waveguide structure, and an actuator which is connected to the cantilevered optical channels, to position the cantilevered optical channels to direct an o... | 10/28/2008 |
| 7428362 | Photonic crystal surface states A photonic crystal may be configured to support a surface state for logic. ... | 09/23/2008 |
| 7418167 | Optical switching using optical fiber connector An optical switching device, comprises an optical switch and an optical connector receiving means mateable with a connector., means for effectuating switching by engaging a connector in said receiving means, characterised in that said switching effectuating means ac... | 08/26/2008 |
| 7403690 | Photonic crystal surface states A photonic crystal may be configured to support a surface state for logic. ... | 07/22/2008 |
| 7372449 | Display device, image display device and display method The display device includes a display portion having a cavity portion surrounded by wall surfaces, at least one part of the wall surfaces being formed of a transparent member and forming a structural color forming surface provided with fine asperities having predete... | 05/13/2008 |
| 7373036 | Switching device and method A rocker styled switch includes an arm member moveable into and out of a beam path transmitting light between an optical transmitter and an optical receiver for blocking and allowing light to reach the receiver for providing an actuating signal. An end of the arm me... | 05/13/2008 |
| 7364543 | Paired angled rotation scanning probes and methods of use Probes, and systems and methods for optically scanning a conical volume in front of a probe, for use with an imaging modality, such as Optical Coherence Tomography (OCT). A probe includes an optical fiber having a proximal end and a distal end and defining an axis, ... | 04/29/2008 |
| 7362930 | Reduction of MEMS mirror edge diffraction in a wavelength selective switch using servo-based rotation about multiple non-orthogonal axes Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by using rotation of the micromirror about both the ... | 04/22/2008 |
| 7359523 | Fluidic acoustic transducer Sound signals are detected. Light signals are generated that pass through a membrane of a bubble within a trench. The sound signals cause deformations within the membrane of the bubble. The light signals are detected after the light signals have passed through the m... | 04/15/2008 |
| 7356216 | Optical cross-connect An optical cross-connect is provided. The optical cross-connect includes a glass wedge, having a front end and a back end, positioned between a first one-dimensional collimator array and a second one-dimensional collimator array, where the first collimator array inc... | 04/08/2008 |
| 7353593 | Method for assembling micro structures A method for making three-dimensional structures comprises providing a plurality of components, each of which is moveably coupled to a substrate. The components may be pivotally coupled to the substrate by one or more micromachined hinges. The components are moved u... | 04/08/2008 |
| 7352927 | Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micr... | 04/01/2008 |
| 7342733 | Lens actuating device and image pickup apparatus A lens actuating device moves a movable lens held by a lens holder in predetermined directions. The lens actuating device has a power transmitting shaft connected to the lens holder for movement in axial directions thereof, and a fluid case having a shaft support sl... | 03/11/2008 |
| 7340125 | Optical switches and switching methods A device and method for collecting subject responses, particularly during magnetic imaging experiments and testing using a method such as functional MRI. The device comprises a non-metallic input device which is coupled via fiber optic cables to a computer or other ... | 03/04/2008 |
| 7336865 | Optical switch An optical switch for switching the connection of one or more movable optical fibers to one or more stationary optical fibers, comprising a movable soft magnetic block connected to an end portion of each movable optical fiber, a stationary soft magnetic block connec... | 02/26/2008 |
| 7330616 | Micromirror element and optical switch A micromirror element is configured such that a mirror body is arranged via a support on a wiring substrate on which a pair of mirror drive electrodes and a light detection unit are arranged. A mirror is constituted of a mirror frame and a movable mirror swayably su... | 02/12/2008 |
| 7324731 | Systems and methods for distributing signals communicated on fiber optic transmission lines Methods and systems for distributing signals communicated on fiber optic transmission lines are disclosed. In one embodiment, a fiber optic communications system includes a transmitter operable to transmit an optical signal, and at least one receiver operable to rec... | 01/29/2008 |
| 7320525 | Rear-view mirror for vehicles A rearview mirror reflects ambient light and dims when light from headlights of a following motor vehicle is detected. Electrochromic mirror glass is fixedly secured to a frame within an opening. A sensor is fixedly secured to a housing for sensing ambient light and... | 01/22/2008 |
| 7321704 | Wavelength cross connect with per port performance characteristics A wavelength cross connect is provided in which there is a dispersive arrangement per port for each input port and each output port. Some of the dispersive arrangements have differing characteristics so as to result in different performances at the ports. The disper... | 01/22/2008 |
| 7315672 | Optical device An optical variable attenuator 1 has a planar waveguide 2 and an actuator structure 3. The planar waveguide 2 is provided with an input optical waveguide core 4A for input of an optical signal, an output optical waveguide core 4... | 01/01/2008 |
| 7310460 | Optical device A light controlling means includes a shutter member and an actuator. The shutter member is disposed in a slit and has a function to shut off signal light propagated in the light path of an optical fiber array. The actuator is constructed to drive and move the shutte... | 12/18/2007 |
| 7301703 | Tunable filter and method of manufacturing the same, and sensing device A tunable filter including; a fixed substrate provided with a fixed reflecting film and capable of transmitting light having a shorter wavelength than infrared light; a movable substrate provided with a movable section equipped with a movable reflecting film and dis... | 11/27/2007 |
| 7295727 | Mounted MEMs optical diagnostic switch A parallel mounted MEMs optical diagnostic switch disposed within an optical connector for directing optical signals from one or a plurality of light sources to one or a plurality of light collectors by activating a feedback loop through the use of micro electro mec... | 11/13/2007 |
| 7295783 | Digital optical network architecture A digital optical network (DON) is a new approach to low-cost, more compact optical transmitter modules and optical receiver modules for deployment in optical transport networks (OTNs). One important aspect of a digital optical network is the incorporation in these ... | 11/13/2007 |
| 7292750 | Signal processing system A signal processing system (10) has a plurality of optical fibers (40, 42, 43) with their one ends (40) mounted in an array board (41) to receive electromagnetic radiation. A coupler (54) interconnects the other ends of the optical... | 11/06/2007 |
| 7289696 | Optical switch device An optical switch device (1) of such a type that the COUPLED state of light guides is switched by moving a light reflective member capable of securely preventing a movable body with the light reflective member from being displaced and allowing a reduction in ... | 10/30/2007 |
| 7286764 | Reconfigurable modulator-based optical add-and-drop multiplexer An optical add and drop multiplexer system comprising a first module for providing a first signal; a second module for providing a second signal; and a modulator for receiving a channel of the first signal at a first location, the first location configured to actuat... | 10/23/2007 |
| 7277640 | Optical add/drop multiplexing systems The present invention overcomes problems associated with switch isolation, noise and crosstalk suppression, insertion loss, spurious reflections, wavelength tolerance, and compactness that are present in varying degrees in other add/drop systems. The present inventi... | 10/02/2007 |
| 7270456 | Illuminated fiber optic hair ornament and method for applying and making the same An illuminated hair ornament with fiber optics emitting lines of light and increased points of light is provided, where the illuminated ornament has a housing, a power supply coupled to the housing, a light source electrically coupled to the power supply, at least o... | 09/18/2007 |
| RE39833 | Thermally actuated spectroscopic optical switch A thermally actuated spectroscopic optical switch including reflective surfaces which are selectively moved into a position intersecting a beam of light by applying electrical or heat energy to a selected composite cantilever beam on which the reflective surface is ... | 09/11/2007 |
| 7254292 | Directing optical channels using a reflective device A device for directing one or more optical channels includes one or more micromirror elements. A micromirror element has a mirror and a mirror controller. The mirror is operable to reflect light at a first interaction area to yield a first passband for an optical ch... | 08/07/2007 |
| 7251392 | Reduction of driving voltage in a switchable element A switchable element is described, which comprises a fluid chamber (111) containing a polar (101) and a non-polar (102) liquid, which are immiscible. The element is further provided with two electrodes (103,104), which are arranged to con... | 07/31/2007 |
| 7242825 | Cantilever beam MEMS variable optical attenuator An improved cantilever beam optical switch design which provides the function of a variable optical attenuator (VOA). A small degree of intentional misalignment of the waveguide will create different levels of optical attenuation. By finely controlling the misalignm... | 07/10/2007 |
| 7239774 | Optical steering element and method A 1×N wavelength selective switch which can function as a dynamic channel equalizer when N=1. In an exemplary arrangement, the present invention is a free-space device that includes a linear array of micromachined reflective elements for beam steering of individual... | 07/03/2007 |
| 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 |
| 7233717 | Reflective optical switch A reflective optical switch comprises an input/output port portion; a polarization separator/combiner for separating lights in the same optical path and combining lights in different optical paths; a Faraday rotation angle changer; a polarization rotator for changin... | 06/19/2007 |
| 7228026 | Optical multiplexer/demultiplexer and manufacturing method thereof An optical multiplexer/demultiplexer and a manufacturing method thereof are disclosed, wherein a core is arranged on each side of a filter element, and the light is caused to enter the filter element from one of the cores without using a collimator lens. The loss of... | 06/05/2007 |