Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 7948680 | Spectral beam combination using broad bandwidth lasers The present invention provides systems and methods for spectral beam combination by applying a spatial chirp to each of a plurality of input beamlets using a respective plurality of dispersive elements and combining the spatially-chirped beamlets into a single colli... | 05/24/2011 |
| 7729051 | Method of making an optical system A method of making a plurality of micro-optical systems includes providing a plurality of diffractive optical elements and aligning each diffractive optical element with a refractive optical element. Each micro-optical system includes a refractive optical element an... | 06/01/2010 |
| 7443586 | Display device using single-panel diffractive light modulator Disclosed herein is a display device using a single-panel diffractive light modulator. The display device includes a light source unit, a condensing unit, an illumination unit, a diffractive light modulator, a projection unit, a filter unit, and a distortion correct... | 10/28/2008 |
| 7428100 | Wide-angle beam steering system A beam steering system having first diffraction gratings, each one being associated with a corresponding one of a first plurality of grating vectors disposed substantially in a first plane. The gratings diffract optical energy from any one of a plurality of input di... | 09/23/2008 |
| 7286285 | Surgical microscope having an object field illumination system The invention concerns a surgical microscope (2, 3, 5) having a novel laser illumination system (11) and, in a preferred embodiment, an arrangement in which a diffractive element (7) produces an additional illuminating beam and a measurement bea... | 10/23/2007 |
| 7265904 | Optical security element The invention concerns an optical security element having a substrate layer, in which a first microstructure for producing a first optically perceptible effect is shaped region-wise in a surface region. The surface region is divided into microscopically fine pattern... | 09/04/2007 |
| 7224528 | Optically variable security devices A security article includes a light transmissive substrate having a first surface and an opposing second surface, with the first surface having an optical interference pattern such as a holographic image pattern or an optical diffraction pattern thereon. A color shi... | 05/29/2007 |
| 7215472 | Wide-angle beam steering system A beam steering system having first diffraction gratings, each one being associated with a corresponding one of a first plurality of grating vectors disposed substantially in a first plane. The gratings diffract optical energy from any one of a plurality of input di... | 05/08/2007 |
| 7206107 | Method and system for beam expansion in a display device An exit pupil extender wherein the relative amount of different color components in the exit beam is more consistent with that of the input beam. In order to compensate for the uneven amount in the diffracted color components in the exit beam, the exit pupil extende... | 04/17/2007 |
| 7181106 | Optical fiber capped at end with diffractive film, and manufacturing method therefor Affords efficiently and at low cost optical fibers capped at the end with a working, tiny optically diffractive film. An optical fiber includes a diffractive film formed onto an endface thereof, or onto the endface of a collimator joined to the endface of the fiber;... | 02/20/2007 |
| 7142375 | Films for optical use and methods of making such films Films for optical use, articles containing such films, methods for making such films, and systems that utilize such films, are disclosed. ... | 11/28/2006 |
| 7133205 | Atmospheric stabilizer filter and method A diffracting optical filter for use with telescopes provides a plurality of cells separated by opaque lines on an translucent substrate, the spacing of the cells proportionally spaced to match the Airy disk of a specific optical system for the telescope to aid obse... | 11/07/2006 |
| 7114750 | Self-authenticating documents The present invention provides a durable and self-verifying secure document system and a method for its production, wherein counterfeiting is prevented. The secure document system is potentially useful for a wide variety of documents including, but not limited to, l... | 10/03/2006 |
| 7102823 | Diffractive security element having an integrated optical waveguide A diffractive security element (2) is divided into surface portions, having an optically effective structure (9) at interfaces embedded between two layers of a layer composite (1) of plastic material. At least the base layer (4), which is... | 09/05/2006 |
| 7071924 | User input method and apparatus for handheld computers A system and method for providing input to a handheld computing device by provisioning the handheld computing device with a projecting device a projecting device for displaying a graphical representation of a keyboard, the graphical representation including key loca... | 07/04/2006 |
| 7060626 | Multi-run selective pattern and etch wafer process A method for forming a semiconductor wafer comprising of applying a first patterned resist to at least one first predetermined region of a wafer where said at least one first predetermined region of said wafer are protected by said first patterned resist and a first... | 06/13/2006 |
| 7019904 | Diffraction grating element, production method of diffraction grating element, and method of designing diffraction grating element In a diffraction grating element 10, between a first medium 11 and a fourth medium 14, a second medium 12 and a third medium 13 are disposed alternately to form a diffraction grating. The light, which enters the diffraction grating... | 03/28/2006 |
| 6924934 | Diffractive safety element A security element (2) comprising a plastic laminate (1) has a surface pattern which is composed mosaic-like at least from surface elements, wherein in the surface elements a reflecting interface (8) between a shaping layer (5) and a prot... | 08/02/2005 |
| 6815065 | All-dielectric optical diffractive pigments All-dielectric diffractive pigment flakes can be applied to an object to impart a diffractive effect to the object without substantially changing the background color of the object. In one case, such diffractive pigment flakes can be applied to a white object to imp... | 11/09/2004 |
| 6809864 | Multi-layer structure with variable bandpass for monochromatization and spectroscopy A grating that includes a multilayer structure that has alternating layers of materials, a plurality of grooves formed between a plurality of lands, wherein at least one structural parameter of the plurality of grooves and plurality of lands is formed randomly in th... | 10/26/2004 |
| 6788713 | Reduction of pulsations in DFB lasers Output power fluctuations in a distributed feedback laser arrangement are reduced by inducing a saturable absorption grating in a saturable absorption region. Light is coupled into a DFB region and amplified in an amplification region. A feedback loop reflects a por... | 09/07/2004 |
| 6768588 | Apparatus and methods for generating multiple exit-pupil images in an expanded exit pupil A display system includes a diffraction grating that generates exit-pupil images, where one of the exit-pupil images has a first intensity and the remaining exit-pupil images each have or approximately have a second intensity that is less than the first intensity. T... | 07/27/2004 |
| 6690500 | Aberration correction apparatus and method An aberration correction device for correcting aberration produced in a light beam, which includes: a first electrode layer and a second electrode layer being opposed to each other; and a liquid crystal disposed between the first electrode layer and the s... | 02/10/2004 |
| 6568841 | Illumination unit for a device having a multi-color reflective liquid crystal display A reflective liquid crystal display (1) is provided with a front illumination unit. The front illumination unit comprises a flat waveguide (2), at least one surface of which is provided with a diffraction grating (7). A period of the diffraction grating (... | 05/27/2003 |
| 6507419 | Illumination system using optical feedback Disclosed is an illumination system using optical feedback to maintain a predetermined illumination output. The illumination system employs an electrically controllable optical filter for filtering light incident thereon. The illumination system also incl... | 01/14/2003 |
| 6469827 | Diffraction spectral filter for use in extreme-UV lithography condenser A condenser system for generating a beam of radiation includes a source of radiation light that generates a continuous spectrum of radiation light; a condenser comprising one or more first optical elements for collecting radiation from the source of radia... | 10/22/2002 |
| 6359681 | Combined laser/FLIR optics system In a FLIR/laser based targeting and imaging system, the ability to recognize, detect, locate, and/or track targets in an area of interest is significantly improved by reducing the fixed and dynamic alignment errors between the IR LOS and the laser LOS. Fi... | 03/19/2002 |
| 6156412 | Diffractive fabric A fabric is constructed to act as a diffraction grating for deBroglie waves of the continuous electromagnetic spectrum. The fabric is made by coating or laminating emissive layers on each side of a fabric and then etching one side to create a diffraction ... | 12/05/2000 |
| 6151564 | Coded object system and code recognition methods Disclosed is a method of characterizing a coded object having a plurality of regions. A luminosity value of a first region of the coded object is compared to a luminosity value of a second region of the coded object, wherein the second region's color is k... | 11/21/2000 |
| 6094306 | Energy efficient window An energy saving window system operates selectively in different seasons and climatic conditions to optimize transfer of the sun's radiation through the window into an interior space. Two sets of diffraction gratings are deployed, with two mode settings--... | 07/25/2000 |
| 5828491 | Phase plate technology for laser marking of magnetic discs An advanced design for a phase plate enables the distribution of spots in arbitrarily shaped patterns with very high uniformity and with a continuously or near-continuously varying phase pattern. A continuous phase pattern eliminates large phase jumps typ... | 10/27/1998 |
| 5726805 | Optical filter including a sub-wavelength periodic structure and method of making An optical filter includes a dielectric layer formed within a resonant optical cavity, with the dielectric layer having formed therein a sub-wavelength periodic structure to define, at least in part, a wavelength for transmission of light through the reso... | 03/10/1998 |
| 5712622 | Intrusion detector An infrared detector including a sensor which provides an output signal responsive to infrared radiation incident on a face thereof, and a diffractive optical element which directs a substantial portion of incident visible radiation away from the sensor a... | 01/27/1998 |
| 5699186 | Multi-fold optical magnifier for use in image manifestation apparatus A multi-fold optical magnifier includes a prism with four reflecting surfaces positioned to direct light from an inlet to an outlet, and a lens positioned adjacent the prism outlet to receive light from the prism. An aspheric surface of the lens is in the... | 12/16/1997 |
| 5608572 | Optical apparatus and a method using the apparatus, which utilizes the occurrence of a change in a both-end voltage of an amplifying region In an optical apparatus, such as a semiconducter optical amplifier device and an optical filtering apparatus, there are provided an optical amplifier device, a detector and a controller. The optical amplifier device has such a structure that exhibits a bo... | 03/04/1997 |
| 5600486 | Color separation microlens A color separation microlens is fabricated to be a single micro-optical element made up of a color separation grating integrated with a refractive lens. The color separation microlens separates the spectrum into distinct color spots and focuses these spot... | 02/04/1997 |
| 5583689 | Filter with preselected attenuation/wavelength characteristic A filter has a preselected attenuation/wavelength characteristic, in which spatially separated parts of the filter attenuate different wavelengths. The spatially-separated parts have different attenuation characteristics to attenuate different wavelengths... | 12/10/1996 |
| 5539544 | Holographic filter for protection from radiation, notably laser radiation A holographic filter for protection from radiation, notably laser radiation. At least one support is covered with at least two holograms. Each hologram is constituted by a stack of strata. The holograms are fixed to each other by an optical bonder associa... | 07/23/1996 |
| 5471344 | Photographing apparatus having optical low-pass filter A photographing apparatus comprising an optical low-pass filter of phase grating type in which a plurality of prism portions, convex or concave in cross section, are arrayed in succession at a predetermined pitch, the arrangement being such that the apert... | 11/28/1995 |
| 5469520 | Compression-tuned fiber grating A reflective element 26, such as a Bragg grating, impressed in an optical fiber 24, has a reflection wavelength which is tuned by compressing the grating 26. Because an optical fiber is a much stronger under compression than in tension, the grating 26 is ... | 11/21/1995 |
