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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7773655 | High brightness laser diode module A high-brightness laser module is configured with a beam-compression unit capable of reducing a diameter of parallel light beams which are emitted by respective spaced apart individual laser diodes. The module further has an objective lens configured to losslessly l... | 08/10/2010 |
| 7693206 | Semiconductor laser device including laser array or stack first collimator, path rotator, and an optical element This invention relates to semiconductor laser apparatus with a structure for reducing the divergence angle of output light and for narrowing the spectral width. The semiconductor laser apparatus has at least a semiconductor laser array, a collimator lens, a path rot... | 04/06/2010 |
| 7688876 | Self-forming microlenses for VCSEL arrays A Vertical Cavity Surface Emitting Laser (VCSEL) assembly including a VCSEL structure having a light-emitting region located on its surface, a relatively wettable region of a surface modifier coating formed over the light emitting region, and a microlens formed on t... | 03/30/2010 |
| 7599417 | Laser pumping unit and high power laser device tunnel junction including the same Embodiments include a laser pumping unit and a high power vertical external cavity surface emitting laser (VECSEL) device including the same. The laser pumping unit easily diffuses current in a traverse direction by using a tunnel junction. The laser pumping unit ma... | 10/06/2009 |
| 7580438 | Surface-emitting type semiconductor laser A surface-emitting type semiconductor laser includes: a lower mirror; an active layer formed above the lower mirror; an upper mirror formed above the active layer; and a lens section formed above the upper mirror, wherein n1>n, where λ is a design wavele... | 08/25/2009 |
| 7580437 | Surface-emitting laser, method for manufacturing surface-emitting laser, device and electronic apparatus Surface-emitting lasers are provided that can readily make highly accurate dimensions at the center axis of a resonator. A surface-emitting laser is characterized in that a lens layer in a convex lens shape having an apex portion that is flat is disposed on one end ... | 08/25/2009 |
| 7502403 | Semiconductor laser and optical module In a horizontal cavity surface emitted laser, there is provided a device structure that is capable of obtaining a circular narrow-divergence emitted beam that is high in the optical coupling efficiency with a fiber. As a first means, there is provided a horizontal c... | 03/10/2009 |
| 7444046 | Diode laser array coupling optic and system A single piece optic for coupling the output of a diode laser array into an optical fiber array is provided. The coupling optic has a planar back surface which, during use with a diode laser array, is positioned substantially parallel to the front face of the laser ... | 10/28/2008 |
| 7413917 | Integrated optics and electronics An optoelectronic device includes a submount and a lid. The submount includes a substrate and a lens and a laser above the substrate. The lid defines a cavity having a surface coated with a reflective material to form a 45 degree mirror. The mirror reflects a light ... | 08/19/2008 |
| 7406112 | Surface-emitting laser, method for manufacturing surface-emitting laser, device and electronic apparatus The present invention provides surface-emitting lasers that reduce a laser emission angle and are readily manufactured. Methods for manufacturing the surface-emitting lasers, devices, and electronic apparatuses are also described. The lasers are characterized in tha... | 07/29/2008 |
| 7367682 | Color image projection arrangement and method A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in color. | 05/06/2008 |
| 7366218 | Vertical cavity surface emitting laser diode and process for producing the same A vertical cavity surface emitting laser diode includes a lower semiconductor reflector, an active region, an upper semiconductor reflector constituting a resonator with the lower semiconductor reflector, a metallic part being formed on the upper semiconductor refle... | 04/29/2008 |
| 7339200 | Light-emitting diode and vehicular lamp A light-emitting diode including a curved surface portion 14aA formed in the front face of a sealing member 14 with the cross-sectional shape of the curved surface portion being in the shape of an undulating curve that has a concave curve C1 | 03/04/2008 |
| 7336690 | Solid-state laser system A simple and high-reliability constitution provides a solid-state laser system that allows a high-output, long-pulse-width laser beam to be obtained. A solid-state laser system that includes a solid-state laser medium 1, a light source 2 for pum... | 02/26/2008 |
| 7335922 | Radiation-emitting-and-receiving semiconductor chip and method for producing such a semiconductor chip A radiation-emitting-and-receiving semiconductor component has at least a first semiconductor layer construction (1) for emitting radiation and a second semiconductor layer construction (2) for receiving radiation, which are arranged in a manner spaced... | 02/26/2008 |
| 7329894 | Semiconductor laser device and semiconductor optical modulator Since the semiconductor devices including a stacked structure of group-III-V alloy semiconductor layers different in the kind of group-V constituent atom form the so-called band line-up of type II, band discontinuity in the heterostructure has impeded smooth transpo... | 02/12/2008 |
| 7327774 | Self-forming microlenses for VCSEL arrays A Vertical Cavity Surface Emitting Laser (VCSEL) assembly including a VCSEL structure having a light-emitting region located on its surface, a relatively wettable region of a surface modifier coating formed over the light emitting region, and a microlens formed on t... | 02/05/2008 |
| 7303290 | Laser beam focusing arrangement and method A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality or higher in... | 12/04/2007 |
| 7295225 | Light source and light beam scanning unit Light source and light beam scanning units with reduced deviation of beam positions over time and ambient conditions, in use for image forming apparatuses. In the light source unit for emanating light beams, including a plurality of LEDs and coupling lenses each cor... | 11/13/2007 |
| 7295592 | Light source device and optical communication module employing the device A light source device for radiating a stimulated emission from a semiconductor laser to outside via a multiple scattering optical system, which system has a first region located adjacent to the semiconductor laser and a second region that abuts on the first region a... | 11/13/2007 |
| 7277229 | Linear light beam generating optical system An optical system includes semiconductor lasers arranged in the direction of the slow axis of the laser beam, an optical means which makes parallel the collimated laser beams, an optical member which is provided with inlet and outlet faces which are positioned in pe... | 10/02/2007 |
| 7270490 | Laser package with digital electronic interface Optical transmission components, systems, and packages where the package includes a common housing containing a laser for transmission of an optical signal, a photodetector optically coupled to the laser for monitoring the laser transmission, and a laser driver elec... | 09/18/2007 |
| 7270460 | Vehicle light In a brake light (1) comprising at least one rod-shaped optical fiber (9) and at least one light source, wherein the light from the light source is coupled into the optical fiber (9) at its end face and is decoupled from the optical fiber (9 | 09/18/2007 |
| 7267340 | Word-forming game A method for playing an interactive game (10) between a first player and a second player includes the steps of the first player obtaining a plurality of active first game pieces (14A) that each includes a word-forming indicia (24A), the first pl... | 09/11/2007 |
| 7247885 | Carrier confinement in light-emitting group IV semiconductor devices In one aspect, a first region that includes a first Group IV semiconductor that has a bandgap and is doped with a first dopant of a first electrical conductivity type is formed. A pattern is created. The pattern controls formation of local crystal modifications in t... | 07/24/2007 |
| 7245645 | Surface emitting and receiving photonic device with lens A surface-emitting laser, in which light is emitted vertically at one end from a near 45°-angled facet, includes a second end having a perpendicular facet from which light is emitted horizontally, for monitoring. The surface-emitting laser comprises a divergence-co... | 07/17/2007 |
| 7236295 | Broadband light source A broadband light source is disclosed. The broadband light source includes a semiconductor optical amplifier for generating and amplifying light of a broadband wavelength, the amplifier having a first end and a second end and a mirror spaced from the second end of t... | 06/26/2007 |
| 7224532 | Optical uses diamondoid-containing materials Novel optical devices based on diamondoid-containing materials are disclosed. Materials that may be fabricated from diamondoids included diamondoid nucleated CVD films, diamondoid-containing CVD films, molecular crystals, and polymerized materials. Devices that may ... | 05/29/2007 |
| 7212557 | Semiconductor laser device and radiation image read-out method and apparatus A semiconductor laser device produces a laser beam, which is adapted to be expanded into a linear laser beam for use as stimulating rays for an image read-out operation for reading out a radiation image having been stored on a stimulable phosphor sheet. The semicond... | 05/01/2007 |
| 7187702 | Surface-emitting light emitting device, manufacturing method for the same, optical module, and optical transmission apparatus To provide a surface-emitting light emitting device including an optical member whose mounting position, form, and size have been favorably controlled, and a method of manufacturing the same, as well as an optical module and an optical transmission apparatus that in... | 03/06/2007 |
| 7184453 | Semiconductor laser device containing laser driver and electronic equipment having the same There is provided a semiconductor laser device containing a laser driver capable of implementing downsizing, thinning and cost reduction of equipment using the laser device. In the semiconductor laser device containing a laser driver, a semiconductor laser element, ... | 02/27/2007 |
| 7164702 | Optical transmitters and interconnects using surface-emitting lasers and micro-optical elements Micro-optical elements (MOEs) are designed and fabricated onto transparent laser driver substrates to collimate or focus the beams from vertical-cavity surface-emitting lasers (VCSELs) in accordance with specific application requirements. One disclosed example teach... | 01/16/2007 |
| 7160038 | Vertical cavity surface emitting laser module A vertical cavity surface emitting laser (VCSEL) module includes a substrate provided with an etched region formed on a lower surface thereof, a plurality of layers, for photoproduction, laminated on an upper surface of the substrate, and a VCSEL for emitting the li... | 01/09/2007 |
| 7157741 | Silicon optoelectronic device and optical signal input and/or output apparatus using the same A silicon optoelectronic device and an optical transceiver, wherein the silicon optoelectronic device includes an n- or p-type silicon-based substrate and a doped region formed in a first surface of the substrate and doped to an opposite type from that of the substr... | 01/02/2007 |
| 7139300 | Wide-stripe single-mode diode-laser A wide-stripe diode-laser includes a lower cladding region, a lower waveguide region, an active region, an upper waveguide region, and an upper cladding region all comprising semiconductor layers epitaxially grown on a semiconductor substrate. An elongated rectangul... | 11/21/2006 |
| 7116694 | Transmitter array with pixel element that has primary semiconductor laser and at least one secondary semiconductor laser A transmitter array that has at least one pixel element. Each pixel element includes at least a primary semiconductor laser and a secondary semiconductor laser. In this manner, when the primary semiconductor laser is inoperative, the secondary semiconductor laser is... | 10/03/2006 |
| 7050238 | Power combination optical system and light source module An optical system includes a plurality of separate light sources with a number M of the light sources arranged in a first direction and a number N of the light sources arranged in a second direction. Each of the light sources has an asymmetric light emission area. T... | 05/23/2006 |
| 7046344 | Range finder A range finder includes a package, a semiconductor chip, an optical casing, a lens holder, a first lens, and a second lens. The first and second lenses are attached to the lens holder. The lens holder is formed of a material having a thermal expansion coefficient eq... | 05/16/2006 |
| 7006744 | Hybrid buried/ridge planar waveguides A hybrid waveguide structure having a combination of buried waveguide sections and ridge waveguide sections on the same substrate, share a common core layer. The buried waveguide sections provide the low index contrast desirable for couplers and other device compone... | 02/28/2006 |
| 6990134 | GaN series surface-emitting laser diode having spacer for effective diffusion of holes between P-type electrode and active layer, and method for manufacturing the same A GaN series surface-emitting laser diode and a method for manufacturing the same are provided. The GaN series surface-emitting laser diode includes: an active layer; p-type and n-type material layers on the opposite sides of the active layer; a first-distributed Br... | 01/24/2006 |
