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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 372/20 - Tuning


Subclass of Class 372 - Coherent light generators
Definition: Subject matter wherein means is provided for selectively
No. of applications: 378
Last issue date: 05/24/2012


1                    
Application No.Application TitleIssue Date
20120127464LIGHT SOURCE APPARATUS
A light source apparatus that emits pulsed light includes an optical resonator and a modulator. The optical resonator has an optical gain medium that amplifies light and an optical waveguide. The modulator modulates an intensity of the light in the optical resonator. Th...
05/24/2012
20120106579Precise Broadband Frequency Modulated Laser
A method, apparatus and computer-readable storage medium are described for a tunable laser source that produces a desired frequency modulated optical waveform with a precision within 0.01 percent over a bandwidth greater than about 50 gigaHertz. An apparatus includes a ...
05/03/2012
20120106578WAVELENGTH-TUNABLE EXTERNAL CAVITY LASER GENERATING DEVICE
A wavelength-tunable external cavity laser generating device is provided. The wavelength-tunable external cavity laser generating device includes a reflection-type multi-mode interferometer, an optical amplifier disposed between the reflection-type multi-mode interferom...
05/03/2012
20120039346Feedback-enhanced self-Injection locking of lasers to optical resonators
Techniques and devices that lock and stabilize a laser to an optical resonator via self-injection locking based on a reflection feedback. A whispering gallery mode optical resonator can be implemented to provide both the optical filtering and injection feedback based on...
02/16/2012
20120033688Single longitudinal mode fiber laser apparatus
The present invention provides a single frequency fiber laser apparatus. The fiber laser apparatus includes a Faraday rotator mirror. A piece of erbium doped fiber is inside the laser cavity. A wavelength selective coupler is connected to the erbium doped fiber. A pump ...
02/09/2012
20120033217METHOD AND APPARATUS FOR DETECTING MULTIPLE OPTICAL WAVE LENGTHS
Optical gratings that perform a number of functions at various wavelengths are formed by various methods that preserve spectral information within a wavelength band, the functions including: coupling radiation from one waveguide (7a3) to another (
02/09/2012
20120026504LIGHT SOURCE APPARATUS AND IMAGE PICKUP APPARATUS EQUIPPED WITH SAME
A light source apparatus includes an optical resonator formed by an optical amplification medium and an optical switch. The optical switch includes a saturable absorber and changes its transmittance or reflectance when receiving an optical pulse emitted from a light irr...
02/02/2012
20120014398WAVELENGTH-TUNABLE EXTERNAL CAVITY LASER MODULE
Provided is a wavelength-tunable external cavity laser module. The wavelength-tunable external cavity laser module includes: a gain medium generating light; an optical waveguide combined with the gain medium and including a Bragg grating and a thin film heater adjusting...
01/19/2012
20120014399Grating External-Cavity Laser and Quasi-Synchronous Tuning Method Thereof
A method for quasi-synchronous tuning of laser wavelength or frequency of grating external-cavity laser and a corresponding laser are provided. A grating or mirror is rotated around a quasi-synchronous tuning point (Pq) to achieve the quasi-synchronous tuning...
01/19/2012
20120008650HYBRID INTEGRATED TUNEABLE LASER
A hybrid integrated tuneable optical laser device, suitable for tuning to different wavelengths via a piezo micromotor (6) controlled optical filter (4) in an external cavity. Once the laser is fixed at a selected wavelength, no power is required to be app...
01/12/2012
20120002687Laser System
A method and apparatus may comprise a line narrowed pulsed excimer or molecular fluorine gas discharge laser system which may comprise a seed laser oscillator producing an output comprising a laser output light beam of pulses which may comprise a first gas discharge exc...
01/05/2012
20120002283METHOD AND APPARATUS FOR RAMAN CO-PUMPS
An example Raman co-pump apparatus includes a control module for controlling output received from at least one of a first laser and a second laser, said output of said first laser and said second laser for combining into a co-pump output, wherein the control module is c...
01/05/2012
20120002686PROCESS AND APPARATUS FOR A WAVELENGTH TUNING SOURCE
An apparatus and source arrangement for filtering an electromagnetic radiation can be provided which may include at least one spectral separating arrangement configured to physically separate one or more components of the electromagnetic radiation based on a frequency o...
01/05/2012
20110310916SEMICONDUCTOR LASER MODULE
A semiconductor laser module includes a semiconductor device including a semiconductor laser and a bending waveguide through which a laser light emitted from the semiconductor laser propagates, a beam splitter splitting the laser light into a first laser light and a sec...
12/22/2011
20110304853WAVELENGTH SWEEPING LIGHT SOURCE AND IMAGING APPARATUS USING THE SAME
A light source apparatus includes a laser oscillator equipped with a first optical resonator, a plurality of second optical resonators including input portions respectively connected in parallel to the first optical resonator, a plurality of light extraction units confi...
12/15/2011
20110292955TUNABLE SEMICONDUCTOR LASER DIODE
A tunable LD with reduced number of the butt joint is disclosed. The tunable LD includes the reflector and a waveguide core. The reflector includes a plurality of segments each having a grating region and a space region adjacent to the grating region. The waveguide core...
12/01/2011
20110292954AUTOMATED BANDWIDTH / WAVELENGTH ADJUSTMENT SYSTEMS AND METHODS FOR SHORT PULSE LASERS AND OPTICAL AMPLIFIERS
Embodiments are directed to systems and methods for adjusting a wavelength, bandwidth or both. Such systems and methods may be applicable to laser beams within a laser cavity or amplifier. For some embodiments, such systems and methods may be used to allow a user to set...
12/01/2011
20110292953Tunable Multi-Wavelength Semiconductor Laser Array For Optical Communications Based On Wavelength Division Multiplexing
Techniques, devices and systems for optical communications based on wavelength division multiplexing (WDM) that use tunable multi-wavelength laser transmitter modules....
12/01/2011
20110274126METHOD OF SWITCHING LASER EMISSION OF A SOLID STATE LASER BETWEEN DIFFERENT EMISSION WAVELENGTHS AND CORRESPONDING SOLID STATE LASER DEVICE
The present invention relates to a method of switching laser emission of a solid state laser between different emission wavelengths, said different emission wavelengths being based on different electronic transitions in a solid state laser medium (3) of the solid...
11/10/2011
20110261843GRATING EXTERNAL-CAVITY SEMICONDUCTOR LASER AND QUASI-SYNCHRONOUS TUNING METHOD THEREOF
A method for quasi-synchronous tuning of wavelength or frequency of grating external-cavity semiconductor laser and a corresponding semiconductor laser are provided. A grating or mirror is rotated around a quasi-synchronous tuning point (Pq) as rotation center, so as to...
10/27/2011
20110255561APPARATUS CONFIGURED TO PROVIDE A WAVELENGTH-SWEPT ELECTRO-MAGNETIC RADIATION
Exemplary embodiments of apparatus according to the present disclosure are provided. For example, an apparatus for providing electromagnetic radiation to a structure can be provided. In one exemplary embodiment, the apparatus can provide at least one electromagnetic rad...
10/20/2011
20110249690EXTERNAL CAVITY WAVELENGTH TUNABLE LASER DEVICE AND OPTICAL OUTPUT MODULE
In an external cavity wavelength tunable laser device including an external cavity (20) which includes a semiconductor optical amplifier (2) and performs laser oscillation operation by feeding back external light, a wavelength tunable mirror (7) hav...
10/13/2011
20110243159METHOD AND SYSTEM FOR TUNABLE PULSED LASER SOURCE
A tunable pulsed laser source comprising a seed source adapted to generate a seed signal and an optical circulator. The optical circulator includes a first port coupled to the seed source, a second port, and a third port. The laser source also includes an amplitude modu...
10/06/2011
20110243160FREQUENCY TUNEABLE LASER DEVICE
A frequency tuneable or chirped laser device is described that includes a laser cavity formed from a plurality of optical components. The optical components include a laser source for generating a beam of light, a spectral tuning element and one or more further optical ...
10/06/2011
20110235659SEMICONDUCTOR LASER
A semiconductor laser includes a light emission end facet; a first optical waveguide extending in a predetermined optical-axis direction, the first optical waveguide being optically coupled to the light emission end facet; a ring resonator having a plurality of periodic...
09/29/2011
20110235660DRIVER CIRCUIT FOR TUNABLE LD
An LD driver is disclosed where the power dissipation is reduced without enlarging the circuit scale. The LD driver, which drives a tunable LD including a SG-DGB region, a CSG-DBR region, and an SOA region, includes a DC/DC converter connected to current sources or volt...
09/29/2011
20110228800METHOD FOR TUNING SEMICONDUCTOR LASER
A method for tuning a semiconductor laser including a plurality of wavelength selection portions, each of which has a periodic wavelength characteristic, including: controlling a value of a refractive index controlling means of the wavelength selection portions to achie...
09/22/2011
20110222564METHODS AND APPARATUS FOR GENERATING TERAHERTZ RADIATION
Apparatus and methods for generating radiation via difference frequency generation (DFG). In one exemplary implementation, a quantum cascade laser (QCL) has a significant second-order nonlinear susceptibility (χ(2)) integrated in an active region of the QCL....
09/15/2011
20110222563WAVELENGTH TUNING SOURCE BASED ON A ROTATABLE REFLECTOR
An apparatus and source arrangement for filtering an electromagnetic radiation can be provided which may include at least one spectral separating arrangement configured to physically separate one or more components of the electromagnetic radiation based on a frequency o...
09/15/2011
20110216325Methods and Apparatus for Swept-Source Optical Coherence Tomography
In one embodiment of the invention, a semiconductor optical amplifier (SOA) in a laser ring is chosen to provide low polarization-dependent gain (PDG) and a booster semiconductor optical amplifier, outside of the ring, is chosen to provide high polarization-dependent ga...
09/08/2011
20110216789SEMICONDUCTOR LASER DEVICE
The present invention is directed to a semiconductor laser device comprising a first resonator section for resonating an optical resonator signal for providing an optical output signal at an output of said laser device, wherein said first resonator section is arranged f...
09/08/2011
20110211599THERMAL CONTROL OF OPTICAL FILTER WITH LOCAL SILICON FRAME
Briefly, in accordance with one or more embodiments, a thermally controlled optical filter comprises a frame coupled to an etalon where the frame includes a resistive thermal device disposed on the frame to obtain thermal measurements of the etalon during operation. The...
09/01/2011
20110200062METHOD OF CONTROLLING WAVELENGTH-TUNABLE LASER
A method of controlling a wavelength-tunable laser selecting an oscillation wavelength with a combination of a plurality of wavelength selection portions of which wavelength peak is different from each other, comprising: a first step of confirming a control direction of...
08/18/2011
20110182305Small Packaged Tunable Laser with Beam Splitter
According to one embodiment, the present application includes a tunable laser configured in a small package. The tunable laser includes a housing with a volume formed by exterior walls. An electrical input interface is positioned at the first end of the housing and conf...
07/28/2011
20110170110WAVELENGTH-TUNABLE LIGHT SOURCE APPARATUS
A wavelength-tunable light source apparatus includes a first light source apparatus and a second light source apparatus. The first light source apparatus is capable of changing an oscillation wavelength and includes a resonator. The resonator includes an optical amplifi...
07/14/2011
20110150011RESONANTLY PUMPED TM DOPED CYRSTALLINE LASERS
A resonantly pumped, trivalent thulium ion (Tm3+) doped, crystal laser with improved efficiency is disclosed. Embodiments are pumped from the 3H6 ground state manifold to the 1st excited 3F4 state manifold by photons with wavelengths between 1.4 and 2.2 microns and lase...
06/23/2011
20110150016TUNABLE LASER MODULE
Provided is a tunable laser module emitting an optical signal having high speed, high power and wideband wavelength tuning. The tunable laser module includes a laser array configured to emit an optical signal having a plurality of different lasing wavelengths, a tempera...
06/23/2011
20110150014ANALOG TEMPERATURE CONTROL FOR TUNABLE LASERS
An analog circuit including a voltage divider for providing a first voltage corresponding to an actual temperature of said thermal tuning element of the laser; an analog comparator generating an analog output current for comparing the first voltage with a reference volt...
06/23/2011
20110150015Generation of frequency-pre-selectable radiation by using more than one cascaded frequency conversion processes of resonantly enhanced beams
The invention describes methods and apparatus for the generation of laser radiation with pre-selectable frequency, which could be bigger or smaller than its fundamental beam frequency, through a combination of two or more intracavity frequency conversion processes of tw...
06/23/2011
20110142085Coupled Cavity Laser Diode for Generating Chaotic Signals
A chaotic light generator device comprises laser structures integrated on a common substrate. Each laser structure comprises a ridge of light amplifying material that forms a waveguide extending between at least partly reflective surfaces. Each laser structure comprises...
06/16/2011
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