Quotables
"The horse is here to stay, the automobile is only a novelty - fad."
President of Michigan Savings Bank ; 1903
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8089994 | Processing apparatus and method of processing and method of making leaf spring A light source emits a laser beam to the object through an output end. An optical system is placed between the output end and the object. The optical system adjusts the energy of the laser beam emitted, through the output end, onto a unit area for a unit time. The e... | 01/03/2012 |
| 8073027 | Digital laser pulse shaping module and system A digital pulse shaping module for controlling a pulsed laser oscillator according to a digital input waveform is provided. The pulse shaping module includes a clock generator generating a plurality of phase-related clock signals and a shape generator which outputs ... | 12/06/2011 |
| 7965746 | Method for controlling power of an optical disk drive A method for controlling laser power of an optical disk drive is provided. Firstly, a power-controlling curve of a first loop circuit is formed according to a real test. Next, two test points are selected from the power-controlling curve. Then, the voltage outputted... | 06/21/2011 |
| 7936797 | Laser apparatus and output control method of laser apparatus A laser apparatus includes: a laser light source; an output member for receiving and transmitting a laser light flux generated by the laser light flux, and outputting a laser light flux; an optical aligning member for positioning the laser light flux generated by th... | 05/03/2011 |
| 7920610 | Pulse mode modulation in frequency converted laser sources Methods of operating a frequency-converted laser source are disclosed. According to particular disclosed embodiments, a laser diode is driven in a pulsed mode to define pixel intensity values corresponding to desired gray scale values of image pixels in an image pla... | 04/05/2011 |
| 7760776 | Scalable, reconfigurable, laser combiner Modular electrical, mechanical and optical components allow for the building of a laser combiner system that can be used, for example, for biological research that allows different lasers to be easily added to or removed from a laser system. Each individual laser ca... | 07/20/2010 |
| 7756170 | Frequency modulation in the optical alignment of wavelength-converted laser sources Methods of controlling semiconductor lasers are provided where the semiconductor laser generates a wavelength-modulated output beam λMOD that is directed towards the input face of a wavelength conversion device. The intensity of a wavelength-converted ou... | 07/13/2010 |
| 7542492 | Controlled misalignment in wavelength-converted laser sources Methods of controlling semiconductor lasers are provided where the semiconductor laser generates an output beam that is directed towards the input face of a wavelength conversion device. Particular aspects of the present invention relate to alignment and/or intentio... | 06/02/2009 |
| 7474680 | Method and apparatus for modifying the spread of a laser beam An apparatus and method for modifying the spread of a laser beam. The apparatus comprises a laser source operable to generate a laser beam having a flux that exceeds a predetermined value and an optical train operable to modify the beam such that the flux of the bea... | 01/06/2009 |
| 7474679 | Laser apparatus and manufacturing method of thin film transistor using the same A laser apparatus comprises a laser generating unit, and an intensity pattern regulating unit including a pair of blocking parts and a pair of semi-through parts, wherein the pair of semi-through parts are placed between the pair of blocking parts and adjust an inte... | 01/06/2009 |
| 7440478 | Laser beam path length difference detector, laser phase controller, and coherent optical coupler Provided are a small-sized, low-cost, and easy-to-use laser optical path length difference detecting device, a laser optical path length difference detecting device, and a coherent optical coupling device. The laser optical path length difference detecting device de... | 10/21/2008 |
| 7436871 | Method and device for performing wavelength modulation with Distributed Bragg Reflector (DBR) laser The present invention is directed to a method and system for providing phase modulated current to a semiconductor laser to control beam wavelength. A first current is received into a gain portion of the semiconductor laser and a second current is received into a DBR... | 10/14/2008 |
| 7423247 | Automatic control of laser diode current and optical power output An automatic power control system provides a control signal that regulates the output power of at least one laser diode. Coarse adjustment of the control signal is provided by a first means, preferably a digital variable resistor, while fine adjustment and compensat... | 09/09/2008 |
| 7418016 | Method and apparatus for modifying the spread of a laser beam An apparatus and method for modifying the spread of a laser beam. The apparatus comprises a laser source operable to generate a laser beam having a flux that exceeds a predetermined value and an optical train operable to modify the beam such that the flux of the bea... | 08/26/2008 |
| 7400659 | Method and device for performing DBR laser wavelength modulation free of thermal effect The present invention is directed to a method and system for providing a three-level current scheme to a semiconductor laser to control beam wavelength and laser temperature. A first current is received into a gain section of the semiconductor laser and at least one... | 07/15/2008 |
| 7369591 | System for controlling peaking for a driver for a vertical-cavity surface-emitting laser A driver for a vertical-cavity surface emitting laser (VCSEL) is provided that includes a bias current source, a modulation source, and a peaking control circuit. The bias current source is operable to generate a bias current for the VCSEL and an output voltage. The... | 05/06/2008 |
| 7369585 | Semiconductor based broad area optical amplifier An optical amplifier including: a photonic gain clement; and, a transistor electromagnetically coupled to the gain element to inject current into the gain element responsively to the internal optical intensity of the gain element. The coupling of the transistor and ... | 05/06/2008 |
| 7362784 | Laser irradiation method, laser irradiation apparatus, and semiconductor device An object of the present invention is obtaining a semiconductor film with uniform characteristics by improving irradiation variations of the semiconductor film. The irradiation variations are generated due to scanning while irradiating with a linear laser beam of th... | 04/22/2008 |
| 7359649 | Infrared transmitter circuit and electronic device An infrared transmitter circuit causes an output current to flow to a light emission diode via a current mirror circuit constituted of three transistors by using a current supplied from a power source circuit, so that the light emission diode emits light. When a vol... | 04/15/2008 |
| 7345513 | Driver circuit with automatic offset compensation of an amplifier and method for offset compensation of an amplifier of a driver circuit A driver circuit is provided, which includes a differential amplifier whose output signal controls the driving input signal, a reference signal generator that supplies a reference input of the differential amplifier, an external feedback that applies a signal, which... | 03/18/2008 |
| 7336685 | Laser irradiation apparatus, laser irradiation method, and method for manufacturing a semiconductor device YAG laser can simultaneously emit a plurality of laser beams having different wavelengths from each other. By simultaneously irradiating the laser beams having different wavelengths from each other to a same region of a non-single crystal semiconductor film, an inte... | 02/26/2008 |
| 7317674 | Optical pick-up units and laser drivers with increased functionality Optical pick-up units and laser drivers are disclosed, which can be used in various types of information recording/reproducing apparatuses, such as, but not limited to, DVD and CD drives, DVD camcorders, and DVD video recorders. A laser driver integrated circuit (LD... | 01/08/2008 |
| 7312430 | System, display apparatus and method for providing controlled illumination using internal reflection A system, display apparatus and method for providing illumination uses internal reflection to monitor and control the illumination, which is produced by light from a number of light source devices, such as light emitting diodes. Some of the light generated by the li... | 12/25/2007 |
| 7304928 | Laser power control technique and apparatus for recording and reproducing data in and from optical disk under laser power control A laser power control apparatus for controlling the output power of a semiconductor laser used to record and reproduce data in and from a recording medium is provided. The laser power control apparatus includes a controller configured to vary the peak output power l... | 12/04/2007 |
| 7298977 | Optical transmitter The present invention is intended to prevent a light-emitting diode from emitting light continuously in the case when the level at an input terminal is fixed high because of software or the like and to avoid various problems, such as battery exhaustion and breakdown... | 11/20/2007 |
| 7294816 | LED illumination system having an intensity monitoring system A light source and method for controlling the same. The light source includes a first component light source that includes N LEDs, a photo-detector, and a collector, where N>1. Each LED has a light emitting chip in a package. The light emitting chip emits light in a... | 11/13/2007 |
| 7290395 | High power thermoelectric controller A high power thermoelectric controller system is disclosed, capable of operating multiple thermoelectric cooler (TEC) devices, each with a maximum power demand greater than 200 watts. The controller system utilizes interleaved triggering of multiple pulse width modu... | 11/06/2007 |
| 7282706 | Advanced optics for rapidly patterned laser profiles in analytical spectrometry The present invention is directed to a novel arrangement of optical devices for the rapid patterning of laser profiles used for desorption and/or ionization sources in analytical mass spectrometry. Specifically, the new optical arrangement provides for a user-define... | 10/16/2007 |
| 7260043 | Recording/reproducing apparatus, and method of detecting state thereof A data recording/reproducing apparatus wherein various data to be used for maintenance are measured, and parameters required for analysis of the maintenance data are prerecorded to realize prediction of the service life of a semiconductor laser and detection of occu... | 08/21/2007 |
| 7251264 | Distributed bragg reflector for optoelectronic device This disclosure concerns devices such as DBRs, one example of which includes at least one first mirror layers having an oxidized region extending from an edge of the DBR to an oxide termination edge that is situated greater than a first distance from the edge of the... | 07/31/2007 |
| 7248611 | Frequency scanning pulsed laser having synchronously set subthreshold current The present invention provides methods and apparatus for flexible and reproducible control of quantum cascade laser frequency scans having short (nanosecond) pulse excitations. In accordance with a preferred embodiment of the invention, a method of digital frequency... | 07/24/2007 |
| 7242700 | Stabilized frequency-converted laser system A laser system includes an optically pumped laser resonator that produces a fundamental-wavelength beam. A temperature-tuned frequency converter outside the laser resonator converts a portion of the fundamental-wavelength beam to a frequency-converted beam. The freq... | 07/10/2007 |
| 7200337 | Optoelectronic transceiver having dual access to onboard diagnostics An optoelectronic transceiver includes first and second controller ICs. Each controller IC includes logic, a memory, an interface, and at least one input port. Each memory is configured to store digital diagnostic data and has a unique serial device address to allow... | 04/03/2007 |
| 7184614 | Method and apparatus for improving safety during exposure to a monochromatic light source A method and apparatus are disclosed for improving bodily safety during exposure to an eye hazardous monochromatic treatment light source by diverging the light, such as with a diffusing unit attached to the light source distal end so that the radiance of the light ... | 02/27/2007 |
| 7173237 | Ruggedized digital low-light viewing device A digital low-light viewing device comprises a housing having a first end and an opposing second end, the first end defining an optical input aperture and the second end defining an optical output aperture; an infra-red camera assembly responsive to low intensity li... | 02/06/2007 |
| 7162160 | System and method for protecting eye safety during operation of a fiber optic transceiver A single-chip integrated circuit, sometimes called a controller, controls operation of a transceiver having a laser transmitter and a photodiode receiver. The controller includes memory for storing information related to the transceiver, and analog to digital conver... | 01/09/2007 |
| 7161882 | Method and arrangement for regulating the light power of a scanning beam in an apparatus for reading from or for writing to optical recording media In order to compensate for so-called clipping effects, it is proposed, in an apparatus for reading from and/or writing to an optical recording medium in which the light power of a laser diode (1) is to be set to a plurality of light power levels,to perform a ... | 01/09/2007 |
| 7149430 | Optoelectronic transceiver having dual access to onboard diagnostics The optoelectronic transceiver includes first and second controller ICs. Each controller IC includes logic, a memory, an interface, and at least one input port. Each memory is configured to store digital diagnostic data and has a unique serial device address to allo... | 12/12/2006 |
| 7139295 | Tunable wavelength locker, tunable wavelength spectrum monitor, and relative wavelength measurement system A system for tuning the wavelength of a beam from a tunable laser. A tunable etalon assembly includes a Fabry-Perot etalon with paired reflectors to filter the laser beam. The tunable etalon also includes a thermal unit to thermally adjust the separation of the pair... | 11/21/2006 |
| 7127177 | Integrated post-amplifier and laser driver assembly with digital control interface An integrated post-amplifier and laser driver assembly is provided that is implemented as a single integrated circuit and includes a plurality of amplifiers or other control devices or circuits configured to implement various effects concerning data signals received... | 10/24/2006 |
