Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Application No. | Application Title | Issue Date |
| 20120051376 | SYSTEM AND METHOD FOR LASER MODULATION A laser system can include a laser and a laser output modulator to modulate the output of the laser.... | 03/01/2012 |
| 20120002685 | HIGH VOLTAGE SWITCH WITH ADJUSTABLE CURRENT The present disclosure relates to a high voltage switch which may comprise a chain of MOS field-effect transistors (MOSFETs). The current of the individual MOSFETS, and hence the chain, can be controlled by means of adding a current measuring resistance into the source ... | 01/05/2012 |
| 20120002688 | METHOD AND SYSTEM USING PHASE MODULATION TO REDUCE SPECTRAL BROADENING A laser system includes a seed laser operable to output a seed laser signal along an optical path and a phase modulator disposed along the optical path and operable to receive the seed laser signal. The laser system also includes a phase modulator driver coupled to the ... | 01/05/2012 |
| 20110310918 | LASER MODULE Provided is a laser module. The laser module comprises: a substrate; an gain unit oscillating a laser light on the substrate; an external resonance reflecting unit total-reflecting the laser light at an external of the substrate adjacent to one side of the gain unit; an... | 12/22/2011 |
| 20110305250 | WAVELENGTH BEAM COMBINING BASED PULSED LASERS A system for producing a laser pulse includes a laser driver capable of direct modulation of a laser source comprising a plurality of lasers, and a wavelength beam combining cavity, comprising the directly modulated laser source, for producing a wavelength beam combinin... | 12/15/2011 |
| 20110176564 | Methods of Modulating a Quantum Dot Laser and a Multisection Quantum Dot Laser A multisection quantum dot laser (7) comprising at least first (8) and second (9) sections, each section (8, 9) comprising a semiconductor substrate (2) comprising p (3) and n type (4) layers and a quantum dot layer sandw... | 07/21/2011 |
| 20110110388 | METHOD AND APPARATUS FOR REDUCING THE AMPLITUDE MODULATION OF OPTICAL SIGNALS IN EXTERNAL CAVITY LASERS The present invention concerns a laser apparatus (200) comprising an external cavity laser (ECL) in which the optical signal is modulated by an electrical modulation signal with the purpose of modulating in frequency the laser output signal. The modulation in fre... | 05/12/2011 |
| 20110032959 | COUNTING DEVICE, PHYSICAL QUANTITY SENSOR, COUNTING METHOD AND PHYSICAL QUANTITY MEASURING METHOD The counting device includes: a signal counter that counts the number of half cycles of input signals during given counting periods; a signal half cycle measurement unit that measures the half cycles; a frequency distribution generator that generates a frequency distrib... | 02/10/2011 |
| 20110019705 | TAILORED PULSE BURST Output pulses from an optical system having a seed source and an optical amplifier coupled to the seed source may be controlled by controlling a power of a seed signal from the seed source. The seed signal may be varied between a minimum value and a maximum value in a w... | 01/27/2011 |
| 20110002029 | OPTICAL CLOCK An optical clock for generating a series of optical clock pulses, comprises a laser source for generating output having a plurality of spectral components λ1, λ2, . . . λN, an amplitude-modulator arranged to cooperate with the laser s... | 01/06/2011 |
| 20100322271 | METHOD FOR DRIVING OPTICAL TRANSMITTER A method to control an LD (laser diode) is disclosed. The method compares the operating temperature of the LD with a transition temperature. When the former temperature exceeds the latter, the modulation current is set based on the bias current, which is independently d... | 12/23/2010 |
| 20100290489 | ELECTRO-ABSORPTION MODULATED LASER (EML) ASSEMBLY HAVING A 1/4 WAVELENGTH PHASE SHIFT LOCATED IN THE FORWARD PORTION OF THE DISTRIBUTED FEEDBACK (DFB) OF THE EML ASSEMBLY, AND A METHOD An EML assembly is provided that has and EAM and a DFB, with the DFB having an asymmetric ¼ wavelength phase shift positioned at a location that is in front of the center of the periodic structure of the DFB. In addition, the EML assembly has a tilted or bent waveguide... | 11/18/2010 |
| 20100265420 | Scanned Projection System Using Polymerized Liquid Crystal Layer for Speckle Reduction An imaging system (200), such as a scanned laser projection system, includes one or more laser sources (201) configured to produce one or more light beams (204), and a light modulator (203) configured to produce images (206) from the l... | 10/21/2010 |
| 20100254418 | LASER BEAM IRRADIATION APPARATUS [Problems] A laser beam irradiation apparatus which can accurately perform a linear welding with a uniform width on an irradiation portion even if the overlap ratio is lowered is provided. [Means for Solving the Problems] A laser beam irrad... | 10/07/2010 |
| 20100254417 | Method Of Controlling A Frequency-Converted Laser Source Comprising An External Optical Feedback Component A method of controlling a frequency-converted laser source is provided where the laser source comprises a laser cavity, an external optical feedback component, a wavelength selective component, and a wavelength conversion device and the method comprises driving a gain s... | 10/07/2010 |
| 20100254412 | Phase Modulation In A Frequency-Converted Laser Source Comprising An External Optical Feedback Component A method of controlling a frequency-converted laser source is provided where the laser source comprises a laser cavity, an external optical feedback component, a wavelength selective component, and a wavelength conversion device and the method comprises driving a phase ... | 10/07/2010 |
| 20100246617 | NARROW SURFACE CORRUGATED GRATING Narrow surface corrugated gratings for integrated optical components and their method of manufacture. An embodiment includes a grating having a width narrower than a width of the waveguide on which the grating is formed. In accordance with certain embodiments of the pre... | 09/30/2010 |
| 20100232007 | Linear adaptive optics system in low power beam path and method A system and method for providing a wavefront corrected high-energy beam of electromagnetic energy. In the illustrative embodiment, the system includes a source of a first beam of electromagnetic energy; an amplifier for amplifying said beam to provide a second beam; a ... | 09/16/2010 |
| 20100232461 | BIAS SIGNAL GENERATION FOR A LASER TRANSMITTER IN A PASSIVE OPTICAL NETWORK The teachings presented herein disclose a method and apparatus for controlling the optical power of a laser in a passive optical network transmitter that outputs a modulated optical signal responsive to a modulated input signal. In one or more embodiments, such a contro... | 09/16/2010 |
| 20100220952 | MONITORING OF A LASER SOURCE WITH FRONT AND REAR OUTPUT PHOTODETECTORS TO DETERMINE FRONTAL LASER POWER AND POWER CHANGES OVER LASER LIFETIME A power monitoring and correction to a desired power level of a laser or group of lasers utilizes two photodetectors which are employed to accurately determine the amount of output power from the front end or “customer” end of a laser or a plurality of such lasers. ... | 09/02/2010 |
| 20100150188 | SEED LIGHT MODULE FOR PASSIVE OPTICAL NETWORK A spectrum-sliced seed light module for a wavelength division multiplexing passive optical network (WDM PON) is provided. The seed light module includes an optical amplifier to amplify seed light, an optical wavelength filter to transmit broadband light, which is output... | 06/17/2010 |
| 20100142571 | MULTIPLE DISTRIBUTED FEEDBACK LASER DEVICES Provided is a multiple distributed feedback laser device. The laser device includes an active layer, a first diffraction grating, and a second diffraction grating. The substrate includes a first distributed feedback region, a modulation region, and a second distributed ... | 06/10/2010 |
| 20100110535 | LASER SYSTEMS WITH DOPED FIBER COMPONENTS A laser amplifier includes a pump source and an optically active fiber having an input portion configured to receive a signal source and an output portion. The pump source is optically coupled to the optically active fiber. The laser amplifier also includes an output fi... | 05/06/2010 |
| 20100103088 | SOLID-STATE LASER APPARATUS, DISPLAY APPARATUS AND WAVELENGTH CONVERTING ELEMENT A solid-state laser apparatus includes: a semiconductor laser light source for emitting laser light; an optical resonator having a solid-state laser medium to be excited by incidence of the laser light to oscillate fundamental laser light, and a mirror; and a quasi phas... | 04/29/2010 |
| 20100097614 | WAVELENGTH SCANNING LIGHT SOURCE AND OPTICAL COHERENCE TOMOGRAPHY DEVICE An optical coherence tomography device includes a wavelength scanning laser light source (10) provided with two Fabry-Perot resonators (13A, 13B) provided in a light path for laser oscillation. The values of FSR (free spectral range) of the Fabry-Pe... | 04/22/2010 |
| 20100091805 | OPTICAL SEMICONDUCTOR ELEMENT AND OPTICAL SEMICONDUCTOR DEVICE An optical semiconductor device includes an optical semiconductor element, a metal pattern and at least one thermal conductive material. The optical semiconductor element has a first optical waveguide region and a second optical waveguide region. The second optical wave... | 04/15/2010 |
| 20100080253 | Laser Display System with Optical Feedback Configured to Reduce Speckle Artifacts An imaging system (200) includes a plurality of laser sources (201) configured to produce a plurality of light beams (204). One or more optical alignment devices (220) orient the light beams (204) into a collimated light beam (205 | 04/01/2010 |
| 20100074619 | LASER SOURCE FOR A PASSIVE OPTICAL NETWORK A method comprises: receiving a RF signal; providing a RF signal level; varying a laser power DC set point linearly with the RF signal level over a selected range; and modulating with the RF signal laser output power about the DC set point. The RF signal level can be RF... | 03/25/2010 |
| 20100067555 | TUNABLE OPTICAL SUPERCONTINUUM ENHANCEMENT A method and apparatus for providing optical supercontinuum. The method comprises creating a spectrally narrow phase feature within a supercontinuum spectrum produced from a laser pulse that has been subjected to supercontinuum generation, thereby producing a modified s... | 03/18/2010 |
| 20100054287 | Method and System for Laser-Based High-Speed Digital Marking of Objects Laser marking system and method are provided. A laser source is configured to supply a laser beam having a first optical intensity level and a respective beam cross-section. A spatial light modulator (SLM) is optically coupled to the laser source to receive the laser be... | 03/04/2010 |
| 20100002736 | Wavelength normalization in phase section of semiconductor lasers Particular embodiments of the present invention relate generally to semiconductor lasers and laser projections systems and, more particularly, to schemes for controlling semiconductor lasers. According to one embodiment of the present invention, a laser having a gain se... | 01/07/2010 |
| 20090310633 | PULSE WIDTH MODULATION SIGNAL GENERATING DEVICE, IMAGE DISPLAY APPARATUS INCLUDING PULSE WIDTH MODULATION SIGNAL GENERATING DEVICE, AND PULSE WIDTH MODULATION SIGNAL GENERATING METHOD A pulse width modulation signal generating device which generates a pulse width modulation signal for modulating laser beam according to image data includes: a cycle signal output circuit which outputs a cycle signal having a cycle corresponding to a drawing rate for dr... | 12/17/2009 |
| 20090296754 | Optoelectric Device for High-Speed Data Transfer with Electrooptically Tunable Stopband Edge of a Bragg-Reflector A device contains at least one wavelength-tunable multilayer interference reflector controlled by an applied voltage and at least one cavity. The stopband edge wavelength of the wavelength-tunable multilayer interference reflector is preferably electrooptically tuned us... | 12/03/2009 |
| 20090296759 | SEQUENTIALLY-MODULATED DIODE-LASER SEED-PULSE GENERATOR A modulated diode-laser provides a first sequence of optical pulses. The first sequence of optical pulses is further modulated to provide a second sequence of optical pulses. Pulses in the second sequence have a shorter duration than pulses in the first sequence.... | 12/03/2009 |
| 20090279576 | DUAL OUTPUT LASER SOURCE A dual output laser source provided on a substrate outputs light from a first and second output. A portion of the light generated by the laser is supplied to a first modulator via the first output. A second portion of the light generated by the laser is supplied to a se... | 11/12/2009 |
| 20090278047 | Electronic device A transportable electronic cassette and an image reading device carry out communication by laser light between themselves, with the separation distance to the casing of the opposing device detected by separation distance sensors provided respectively to the electronic c... | 11/12/2009 |
| 20090279828 | WAVELENGTH LOCKING AND POWER CONTROL SYSTEMS FOR MULTI-CHANNEL PHOTONIC INTEGRATED CIRCUITS (PICs) A transmissive active channel element is provided in each signal channel of a monolithic multi-channel TxPIC where each channel also includes a modulated source. The active channel element functions both as a power control element for both monitoring and regulating the ... | 11/12/2009 |
| 20090268764 | Multisectional laser Disclosed is a semiconductor laser in which the substrate comprises at least three independent functional sections in the direction of light wave propagation, said functional sections serving different functions and being individually triggered by means of electrodes vi... | 10/29/2009 |
| 20090262766 | ACTIVE TERAHERTZ METAMATERIAL DEVICES Metamaterial structures are taught which provide for the modulation of terahertz frequency signals. Each element within an array of metamaterial (MM) elements comprises multiple loops and at least one gap. The MM elements may comprise resonators with conductive loops an... | 10/22/2009 |
| 20090262765 | SMALL DIMENSION HIGH-EFFICIENCY HIGH-SPEED VERTICAL-CAVITY SURFACE-EMITTING LASERS A Vertical-Cavity Surface-Emitting Laser (VCSEL) is disclosed, comprising an optical cavity bounded by a top mirror and a bottom mirror, wherein the top mirror has multiple layers of alternating refractive index, of which the bottom three or more layers of the top mirro... | 10/22/2009 |
