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Patent No. 5285430

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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Class 359/566 - From grating


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein diffraction occurs at an optical
No. of patents: 891
Last issue date: 03/20/2012


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NumberTitleIssue Date
8139292Structural body, a method for reading a structural color and/or diffraction light, and a truth/false discriminating method
Decoration of a material is enabled with a high degree of recycling properties while satisfying the requirements for putting a structural color into practical use on the industrial scale. Furthermore, whether an object is genuine or not can be verified easily, and r...
03/20/2012
8081382Reflective screen, display device, and mobile apparatus
A reflective screen includes: a substrate having a first refractive index; and a periodic structure provided on a major surface of the substrate and including a periodic film which has a period Λ and is made of a material having a second refractive index that is hi...
12/20/2011
8027090Optical element, replica substrate configured to form optical element
An optical element includes a base and many structures arranged at a fine pitch on a surface of the base, each of the structures being in the form of a projection or a depression, in which the structures constitute a plurality of arc tracks, and the structures in ev...
09/27/2011
8027089Minute structure and its manufacturing method
A manufacturing method of a minute structure having fine structures on opposing inner surfaces, includes the steps of forming a first pattern in a surface of a first layer, forming a sacrificial layer on the patterned surface of the first layer, forming a second pat...
09/27/2011
8014070Membrane grating for beam steering device and method of fabricating same
A method of fabricating a membrane structure for a diffractive phased array assembly is provided. The method includes the steps of providing a wafer having a body and at least a membrane layer and a backside layer disposed on opposite faces of the body, forming a gr...
09/06/2011
7940457Energy-efficient optoelectronic smart window
In an aspect, described herein is a dynamically controllable optoelectronic smart window which utilizes a diffraction grating for selective transmission or rejection of a specific region of the electromagnetic spectrum, for example the infrared, near-infrared and/or...
05/10/2011
7936512Optical gating system using moiré effect
To provide an optical gating system capable of performing single-shot, parallel, and ultrafast gating equal to or less than a subpicosecond, without depending on coherence. The optical gating system converts signal light to spatial characteristic signal light whose ...
05/03/2011
7898735Methods and systems for writing an optical code within or on a fiber substrate
A system for writing an optical code within or on a fiber substrate. The system includes a holding device that has a plurality of supports spaced apart from each other. The fiber substrate is wound about the supports such that the fiber substrate forms at least one ...
03/01/2011
7864423Spectrally adjustable filter
Spectrally filtering at least one input beam includes: dispersing spectral components of at least one input beam at respective angles in a spectral plane; changing at least some of the angles of the propagation axes of the dispersed spectral components so that a plu...
01/04/2011
7843638Optical system for light flux transfer, and retinal scanning display using such an optical system
The present invention provides an optical system that can reduce the occurrence of aberration, and a scanning retinal display that uses such an optical system. A first diffraction section and the second diffraction section are attached to a light guiding section in ...
11/30/2010
7800824Method for designing gratings
A method for designing a grating comprises steps of (a1) generating a first diffraction spectrum based on calculation values of a plurality of structural parameters, (a2) calculating a first difference value between the first diffraction spectrum and a first nominal...
09/21/2010
7796333Encoded microparticles and a method for fabricating
A method for fabricating microparticles. The method includes providing a removable substrate that has a photosensitive material. The substrate has a plurality of inner regions. Each inner region surrounds a corresponding outer region. The method also includes provid...
09/14/2010
7791802Optical identification element having a non-waveguide substrate
An optical identification element including a non-waveguide optical substrate. The optical substrate has a volume and includes an inner region surrounded by an outer region. The inner region has an index of refraction that prevents the optical substrate from forming...
09/07/2010
7777953Method for producing a grating image, grating image and security document
To produce a grating image for a security document, a contour line (9) is filled with hatching lines (11) with the help of a drawing program, grating coordinates are calculated from the intersection points between the hatching lines (11) and the...
08/17/2010
7755834Wavelength-selective diffraction element and optical head device incorporating the same
The present invention provides a wavelength-selective diffraction element, configured such that light having a plurality of wavelengths are incident thereon as incident light, which is provided with: a transparent substrate; a concavo-convex part, formed on the tran...
07/13/2010
7746558Method for producing grating images
A method for producing a grating image, which has at least one grating field recognizable with the naked eye, in which are disposed grating elements, which are produced by a writing apparatus. In a first procedure step at least one grating element is determined, whi...
06/29/2010
7688511Diffraction type light-condensing film and planar light source device using the same
Provided are an easy-to-handle thin diffraction type light-condensing film exhibiting high light transmissivity and condensation ability, and a planar light source device using the film. A hologram optical element using diffraction/interference phenomena based on wa...
03/30/2010
7639422Device for generating an array of light spots
The invention relates to a device for generating a periodical array of light spots from an input light beam, said device comprising—a periodical array of apertures (202) forming a plurality of interlaced sub-arrays of apertures,—phase shifter elements (PS...
12/29/2009
7586684Solute characterization by optoelectronkinetic potentiometry in an inclined array of optical traps
A method and apparatus for selecting a specific fraction from a heterogeneous fluid-borne sample using optical gradient forces in a microfluidic or fluidic system are presented. Samples may range in size from a few nanometers to at least tens of micrometers, may be ...
09/08/2009
7573638Diffractive optical element and method of its formation
Practical diffractive optical elements are made available efficiently and at low-cost. A refractive-index-modulated diffractive optical element includes a transparent DLC (diamond-like carbon) film (2) formed on a transparent substrate (1), with the DL...
08/11/2009
7570427Geometrical phase optical elements with space-variant subwavelength gratings
A space variant polarization optical element for spatially manipulating polarization-dependent geometrical phases of an incident light beam. The element comprises a substrate with a plurality of zones of gratings with a continuously varying orientation. The orientat...
08/04/2009
7561333Method for manufacturing mold
A mold manufacturing method for manufacturing a mold with which a diffractive lens array of high accuracy can be molded by the following steps: creating a set of coordinates of form points indicating a form of a concave portion which has a saw-toothed surface; deriv...
07/14/2009
7499216Wide field-of-view binocular device
A binocular device for transmitting an image into the eyes is provided. The binocular device comprises a first monocular device, for providing one eye with a first asymmetric field-of-view, and a second monocular device for providing another eye with a second asymme...
03/03/2009
7444049Pulse stretcher and compressor including a multi-pass Bragg grating
A chirped pulse amplification (CPA) system and method is described wherein the pulse is stretched using multiple passes through a Bragg grating or compressed using multiple passes through a Bragg grating. A switch may be used to control the number of passes through ...
10/28/2008
7443587DOE-based systems and devices for producing laser beams having modified beam characteristics
Novel methods are disclosed for designing and constructing miniature optical systems and devices employing light diffractive optical elements (DOEs) for modifying the size and shape of laser beams produced from a commercial-grade laser diodes, over an extended range...
10/28/2008
7440174Coherent fiber diffractive optical element beam combiner
An optical beam combiner and a related method for its operation, in which multiple coherent input beams are directed onto a diffractive optical element (DOE) along directions corresponding to diffraction orders of the DOE, such that the DOE generates a single output...
10/21/2008
7440188Diffractive optical element
A conventional diffractive optical element (DOE), which consists of repetition of a unit pattern , has an advantage of applicability of the Fast Fourier Transform algorithm to calculate diffraction beam spots intensities on lattice points on an image plane. But, the...
10/21/2008
7433123Optical identification element having non-waveguide photosensitive substrate with diffraction grating therein
An optical identification element (also known herein as a microbead) that is made from pieces of an optical fiber or substrate that includes an inner core or region being surrounded by an outer cladding region. The optical fiber or substrate has an identification co...
10/07/2008
7433124Illumination system to eliminate laser speckle and a single-panel projection system employing the same
An illumination system designed to eliminate laser speckle and a single-panel projection system employing the same. The illumination system includes a laser light source to sequentially emit a plurality of laser beams, and a first diffractive optical element that is...
10/07/2008
7433290Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server
A complex objective lens composed of a hologram and an objective lens, capable of realizing stable and high-precision compatible reproducing/recording of a BD with a base thickness of about 0.1 mm for a blue light beam (wavelength λ1) and a DVD with a base t...
10/07/2008
7430076Diffraction element
A diffraction element having concave/convex-like diffraction gratings in its two surfaces from which at least two separated light beams can be taken in the same direction without changing largely the propagating direction of diffracted light even if the temperature ...
09/30/2008
7428100Wide-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
7420733Electrically switchable polymer-dispersed liquid crystal materials including switchable optical couplers and reconfigurable optical interconnects
A new photopolymerizable material allows single-step, fast recording of volume holograms with properties that can be electrically controlled. Polymer-dispersed liquid crystals (PDLCs) in accordance with the invention preferably comprise a homogeneous mixture of a ne...
09/02/2008
7418170Optical device and virtual image display device
A virtual image display device is provided which displays a two-dimensional image for viewing a virtual image in a magnified form by a virtual optical system. The virtual image display device includes an optical waveguide (13) to guide, by internal total refl...
08/26/2008
7411181System and method for manipulating and processing materials using holographic optical trapping
A method and apparatus for manipulating particles (micro, nano, and pico) having one or more characteristics with an optical trap formed by modulating a laser beam with a Diffractive Optical Element (DOE). At least one characteristic of the material is selected; and...
08/12/2008
7405879Optically variable element having a variable distance-layer thickness
The invention concerns an optically variable element and a security product having such an optically variable element, a foil, in particular an embossing foil or a laminating foil having such an optically variable element, and a process for producing such an optical...
07/29/2008
7400449System and method for reduction of image artifacts for laser projectors
A system and method is disclosed for reducing visibility of image artifacts caused by diffractive elements in a laser projector having a structured diffractive device. At least two diffracted orders of light can be selected from light emitted from the structured dif...
07/15/2008
7388694Method, program and system for image drawing
Laser information is prepared which indicates the irradiation interval and intensity level to be irradiated on an optical disc in advance. Then, when image drawing is indicated together with the indication of the forming spacing for pits, a laser is controlled so as...
06/17/2008
7387413Lighting apparatus, lens and method of making the lens
In order to meet the legal requirements regarding color of light from a headlight, especially at the light-dark boundary and how much scattered light can occur in the dark region, a lens (5) is provided, which has a diffractive structure on at least one of it...
06/17/2008
7375868Image scanning apparatus
An image scanning apparatus for realizing an image on a screen includes: a spatial light modulator module for diffracting light beams having different wavelengths into relevant modes; and an iris for limiting light beams of modes except a mode of 0th-orde...
05/20/2008
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