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| Number | Title | Issue Date |
| 7874686 | Reflective marker and method for its manufacture A reflective marker and method for manufacturing reflective marker, wherein the reflective marker includes an inner body and a reflective covering, and a reflective substance is applied to the inner body and forms the reflective covering together with pellets contai... | 01/25/2011 |
| 7631976 | Reflective accessories Reflective accessories for increasing the visibility of persons engaged in night-time (or other low-light) activities. Reflective accessories include a mechanism configured for attachment of the accessory to an object associated with the person engaging in a low-lig... | 12/15/2009 |
| 7562990 | Reflector for lighting and back light device for displaying information A reflector for lighting has shape holding property, flexibility and lightweight property. That is, a reflector for lighting includes: a reflective material made of a polymer membrane of which an average reflectance of 400 to 700 nm wavelength of at least one surfac... | 07/21/2009 |
| 7547104 | Reflector system A reflector system for to allow a reflector to be positioned adjacent an edge of road while reducing the chance of being struck by a vehicle includes a spike being drivable into and extending upwardly from a support surface. The spike includes a tapered end for faci... | 06/16/2009 |
| 7503663 | Infrared reflective tape squares An elongated strip of release paper supports infrared reflective tape releasably attached to the backing paper. The infrared reflective tape is cut to form segments that can be dispensed like labels that can be held in place by an adhesive backing to enable the segm... | 03/17/2009 |
| 7427150 | Rearview mirror assembly including a multi-functional light module An exterior rearview mirror assembly of the present invention, includes a lamp module with light sources functioning as a turn signal indicator, a security light, and a blind spot indicator. The light module may include at least one LED device that is activated duri... | 09/23/2008 |
| 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 |
| 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 |
| 7342707 | Indicators and illuminators using a semiconductor radiation emitter package A vehicle lamp assembly includes a housing and an LED lamp carried in the housing. A signal mirror includes a mirror and an LED lamp. The LED lamp includes a heat extraction member. ... | 03/11/2008 |
| 7339714 | Variable blazed grating based signal processing A light processing system includes an array of optical signal processing devices. The array of processing devices are operable to receive at least some of a first signal part and to modulate the first signal part based at least in part on a control signal received f... | 03/04/2008 |
| 7302133 | Optical switch There is provided an optical switch for reducing an apparatus size without making a structure for switching an output path complicated, wherein the first reflecting member and the micromirror array, which are optically coupled with the diffraction grating via the se... | 11/27/2007 |
| 7263816 | Omnidirectionally reflective horse halter A flexible omnidirectionally reflective horse lead has a central portion, and mechanical attachment means to accommodate a bridal bit ring. The lead reflects an incoming light beam from a walker or horseback rider back in the direction from which it emanated, preven... | 09/04/2007 |
| 7255452 | Plastic mirror assembly A mirror assembly particularly adapted for use with an exterior automotive fender includes a plastic housing and plastic reflective surface element or lens. The housing has a slot formed therein which receives a tab formed on the lens to enable the housing and the l... | 08/14/2007 |
| 7246477 | Omnidirectionally reflective horse halter A flexible omnidirectionally reflective horse lead has a central portion, and mechanical attachment means to accommodate a bridal bit ring. The lead reflects an incoming light beam from a walker or horseback rider back in the direction from which it emanated, preven... | 07/24/2007 |
| 7233716 | Optical switch There is provided an optical switch for reducing an apparatus size without making a structure for switching an output path complicated, wherein the first reflecting member and the micromirror array, which are optically coupled with the diffraction grating via the se... | 06/19/2007 |
| 7210799 | Method for producing a plate In a process for the production of a plate, in particular a motor vehicle licence plate, in which at least a layer sequence forming an electroluminescence flat capacitor (4, 5, 6, 7) and a reflection film (10; 10′) are applied to a carrier (1)... | 05/01/2007 |
| 7203421 | Littrow grating based OADM A multi-channel optical switching system particularly usable as a programmable optical add/drop multiplexer in a multi-wavelength communication system. The switching system uses a grating operating at Littrow that separates a multi-channel optical signal into a plur... | 04/10/2007 |
| 7200298 | Optical control element, optical control element array, and process for producing an optical control element An optical control element for controlling an optical phenomenon by relatively changing levels of dots with respect to a film surface that is irradiated with light, wherein the optical control element includes a thin film having a plurality of through holes, a dot a... | 04/03/2007 |
| 7168833 | Automotive headlamps with improved beam chromaticity Lenses for lamps can improve the quality of the light emitted through lens by interacting with the light bulb. Photoluminescent dyes as well as non-photoluminescent dyes may be incorporated into a polycarbonate lens in order to shift the chromaticity of the light so... | 01/30/2007 |
| 7168817 | Roof mirror assembly An improved roof mirror assembly is provided. The roof mirror assembly of the invention is comprised of first and second mirror panels comprising first and second reflective surfaces and first and second mounting surfaces, respectively, the first and second mirror p... | 01/30/2007 |
| 7147400 | Road marking system The road-marking system is described for influencing a flow of traffic consisting of vehicles traveling over a roadway. The road-marking system comprises a plurality of road marking units. The road marking units are provided with at least one light source for emitti... | 12/12/2006 |
| 7145704 | Optical logic gate based optical router A switching element capable of being used in an optical processing device includes an optical signal separator operable to separate a multiple wavelength optical signal into one or more optical signal wavelengths. The switching element further includes a plurality o... | 12/05/2006 |
| 7124705 | Visual parking guide A visual parking guide, more particularly, a thin flat surface, divided into three zones, with a multitude of markings in each zone, to assist drivers of varying heights to park their car in a safe parking position. The visual parking guide is mountable on a support... | 10/24/2006 |
| 7114278 | Personalized picture frame assembly A picture frame assembly in which tiles bearing letters, numerals, symbols or other indicia are affixed to the frame to provide a personalized or customized appearance. The tiles may slide within a groove integrally formed in the frame or be magnetically attached to... | 10/03/2006 |
| 7107622 | Vapor permeable retroreflective garment The disclosure describes vapor permeable retroreflective material for use on protective garments. The material may be formed in a non-continuous pattern that provides a high-level of retroreflective brightness, yet also provides adequate permeability to prevent expo... | 09/19/2006 |
| 7059266 | Reflective warning and locator collar for hydrants, pylons and support posts A reflective warning and locating collar for fire hydrants, pylons or support posts to improve their visibility and identity, the collar having a support member defined by a flexible extruded web having flanges along the longitudinal edges to define a channel slot f... | 06/13/2006 |
| 7048391 | Personal reflector An apparatus comprises a structure having first and second opposite reflective sides and adapted to be removably attached to clothing. A method for signaling the presence of a user comprises providing a structure having first and second opposite reflective sides bei... | 05/23/2006 |
| 7043057 | System for automated determination of retroreflectivity of road signs and other reflective objects A system for the automated determination of retroreflectivity values for reflective surfaces disposed along a roadway repeatedly illuminates an area along the roadway that includes at least one reflective surface using a strobing light source. Multiple light intensi... | 05/09/2006 |
| 7031070 | Plastic optical components The plastic optical component includes a main body and a transparent moisture-proof coating provided on all surfaces of the main body, the moisture-proof coating satisfying the following relation (1): (D1/d)×(L/D2) | 04/18/2006 |
| 7021237 | Vehicle garage guard #2 A parking guide having both visual and auditory indicators to show a driver when a vehicle is properly positioned in a parking space. ... | 04/04/2006 |
| 7018056 | Method of producing a lighting or signalling device, and lighting or signalling device obtained by this method The present invention concerns a method of producing a lighting or signalling device comprising a light source (16), a reflector (14) reflecting the light rays emitted by the light source (16) towards a lens (18) so as to form along an op... | 03/28/2006 |
| 7014325 | Displacement process for hollow surveying retroreflector A one-piece hollow retroreflector is formed in a cylindrical body of lead or another malleable material in a punch press operation. A punch having a cube corner configuration is used to form a reflecting chamber having three mutually orthogonal surfaces into the cyl... | 03/21/2006 |
| 6971818 | Tactile warning surfaces for walkways and method A tactile warning surface structure having underfoot detectability is formed in place by a method wherein the shank portions of a plurality pins are inserted into and bonded to a plurality of holes formed in an upper surface of a concrete slab of a walkway. The hole... | 12/06/2005 |
| 6972886 | Variable blazed grating In one aspect of the invention, an apparatus operable to provide optical signal processing includes an inner conductive layer including an at least substantially conductive material and a plurality of at least partially reflective mirror strips disposed outwardly fr... | 12/06/2005 |
| 6968640 | Half mirror reflector having LED road sign Disclosed is a half mirror reflector having an LED road sign, which can be used as a reflector in the daytime and as both a reflector and a road sign in the nighttime. The half mirror reflector comprises: a support plate attached to a support rod; a half mirror fixe... | 11/29/2005 |
| 6959132 | One-to-M wavelength routing element Retroreflecting elements adapted for use in one-to-M wavelength routing elements are provided. Each retroreflecting element is configured to retroreflect an optical ray that is orthogonal to a reference plane. A first reflective surface, such as may be provided by a... | 10/25/2005 |
| 6958179 | Segmented sheeting and methods of making and using same The present invention provides a new sheeting article that may suitably include: a carrier having a first major surface and a second major surface; and a plurality of discrete segments of a sheeting (e.g., a retroreflective sheeting), wherein the sheeting has a firs... | 10/25/2005 |
| 6956649 | Spectroscopic system and method using a ceramic optical reference A ceramic reference in conjunction with a spectrometer, a metallized ceramic material, and a method of utilizing a ceramic material as a reference in the ultraviolet, visible, near-infrared, or infrared spectral regions are presented. The preferred embodiments utili... | 10/18/2005 |
| 6945661 | Roof mirror assembly An improved roof mirror assembly is provided. The roof mirror assembly of the invention is comprised of first and second mirror panels having first and second reflective surfaces and first and second back portions, respectively, the first and second mirror panels be... | 09/20/2005 |
| 6943925 | Optical logic gate based optical router A switching element capable of being used in an optical processing device includes an optical signal separator operable to separate a multiple wavelength optical signal into one or more optical signal wavelengths. The switching element further includes a plurality o... | 09/13/2005 |
