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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7876805 | Dynamic compensator for controlling stresses on fiber in fiber optic cables A dynamic compensator for a fiber optic cable having a jacket which is centered along a longitudinal axis, an elongated buffer tube surrounded by the jacket, and an elongated fiber surrounded by the buffer tube and dimensioned to move radially inwards and outwards w... | 01/25/2011 |
| 7440643 | Variable light controlling device and variable light controlling method A variable light controlling device comprising a substrate, an optical waveguide disposed on the substrate, a first heater and a second heater to change the optical waveguide's temperature is fabricated. And a total amount of the power supplied to the first and the ... | 10/21/2008 |
| 7403282 | Coherently controlled nonlinear Raman spectroscopy and microscopy A method and system are presented for producing an output coherent anti-stokes Raman scattering (CARS) signal of a medium. The method comprises generation of a unitary optical excitation pulse that carries a pump photon, a Stokes photon and a probe photon; and induc... | 07/22/2008 |
| 7369596 | Chamber for a high energy excimer laser source A chamber for a gas discharge laser is disclosed and may include a chamber housing having a wall, the wall having an inside surface surrounding a chamber volume and an outside surface, the wall also being formed with an orifice. For the chamber, at least one electri... | 05/06/2008 |
| 7366378 | Ultrafast laser machining system and method for forming diffractive structures in optical fibers An ultrafast laser machining system and method to form diffractive structures in optical fibers. The fiber is mounted with its longitudinal axis perpendicular to the beam path of the laser pulses. A region of the fiber is illuminated and then imaged with two cameras... | 04/29/2008 |
| 7339973 | Electrodes for fluorine gas discharge lasers Fluorine gas discharge laser electrodes and electrode systems that may comprise a plurality of current return tangs extending for less than the respective length of the second elongated gas discharge electrode. In addition electrodes may comprise a first discharge s... | 03/04/2008 |
| 7321380 | Laser emitter and laser scanning device A laser emitter including: a first lens barrel portion for holding a first laser element; a second lens barrel portion for holding a second laser element whose optical axis is slanted with respect to an optical axis of the first lens barrel portion, the second lens ... | 01/22/2008 |
| 7301980 | Halogen gas discharge laser electrodes A gas discharge laser includes a laser chamber containing a halogen laser gas, two electrode elements defining a cathode and an anode, each having a discharge receiving region defining two longitudinal edges and having a region width defining a width of an electric ... | 11/27/2007 |
| 7287318 | Biosensor A biosensor is provided that comprises a plate element with a pre-determined reaction zone and a recess positioned adjacent to the reaction zone. The biosensor also comprises a reagent that is positioned on the reaction zone. In preferred embodiments, the recess cir... | 10/30/2007 |
| 7287336 | Apparatus for producing a visible line of light on a surface, particularly a wall An apparatus and method for efficiently generating a visible line of light on a surface such as a wall or a floor for the purpose of facilitating the layout process used in construction. Reference marking elements on the instrument correspond to the light beam's pos... | 10/30/2007 |
| 7278218 | Laser line generating device with swivel base A base for a light generating device or a leveling device, having a first surface that includes a connection structure to receive and mount either a light generating device or a leveling device thereto, and a second surface including a nonmechanical attachment struc... | 10/09/2007 |
| 7277460 | Generation of optical filaments by use of localized optical inhomogeneities Optical filaments are formed controllably in a gaseous medium such as air. A phase plate introducing a phase discontinuity or other localized optical inhomogeneity is introduced into the path of the pulsed high-power laser beam that forms the optical filaments in th... | 10/02/2007 |
| 7269907 | Laser line generating device with swivel base A laser alignment device includes a laser generating device, an upper attachment portion, and a lower attachment portion. The laser generating device includes a housing and a laser generator. The upper attachment portion is disposed near a bottom of the housing, and... | 09/18/2007 |
| 7256885 | Coherently controlled nonlinear Raman spectroscopy and microscopy A method and system are presented for producing an output coherent anti-stokes Raman scattering (CARS) signal of a medium. The method comprises generation of a unitary optical excitation pulse that carries a pump photon, a Stokes photon and a probe photon; and induc... | 08/14/2007 |
| 7248940 | Method and device for the robot-controlled cutting of workpieces to be assembled by means of laser radiation In a method for robot-controlled cutting of workpieces to be joined by laser radiation, a first workpiece is arranged in vicinity of a second workpiece in a first position. A laser is focused onto the first workpiece. A contour of the first workpiece is cut with the... | 07/24/2007 |
| 7245412 | On-the-fly laser beam path error correction for specimen target location processing A laser-based workpiece processing system includes sensors connected to a sensor controller that converts sensor signals into focused spot motion commands for actuating a beam steering device, such as a two-axis steering mirror. The sensors may include a beam positi... | 07/17/2007 |
| 7239656 | Closed-loop purging system for laser A method of minimizing contamination of optical components of a laser resonator is disclosed. The resonator components are located in an enclosure, which may contain contaminants including water vapor and organic favor released by the optical components, mounts of t... | 07/03/2007 |
| 7230964 | Lithography laser with beam delivery and beam pointing control The present invention provides a modular high repetition rate ultraviolet gas discharge laser light source with a beam delivery to a production line machine. The system includes an enclosed and purged beam path with beam pointing control for delivery the laser beam ... | 06/12/2007 |
| 7230965 | Anodes for fluorine gas discharge lasers Electrodes for a fluorine gas discharge laser are disclosed which may comprise a crown straddling the centerline axis between the pair of side walls and the pair of end walls, comprising a first material, forming at least a portion of the discharge region of the ele... | 06/12/2007 |
| 7215688 | Disable/enable control for laser driver eye safety A circuit for disabling an energy-generating component. The circuit comprises an input operable to receive a disable signal and a disable circuit operable to disable the component in response to the disable signal for a predetermined duration of time sufficient to m... | 05/08/2007 |
| 7213342 | Wall mountable laser level A laser level is adapted to direct a laser path against a working surface. The level comprises a base, the base comprising at least one pair of opposing edges, the base adapted to be positioned relative to the working surface such that each of the opposing edges is ... | 05/08/2007 |
| 7209157 | Image recorder A plate fixed to a recording drum is irradiated with a laser beam emitted from an objective lens of a recording head, to generate gas. The recording head has a gas diffusion/suction unit forming an air stream in front of the objective lens. Further, a second suction... | 04/24/2007 |
| 7203219 | Transmitter optical sub assembly, for instance for high speed optical transceivers A transmitter optical sub assembly includes a laser source having associated therewith a laser driver and a package for housing the laser source (10) and the laser driver. The package includes respective separate compartments for the laser source and the lase... | 04/10/2007 |
| 7190708 | Annealed copper alloy electrodes for fluorine containing gas discharge lasers An excimer laser with a laser chamber containing a circulating laser gas containing fluorine and long-life, annealed, copper alloy electrodes. Electrode lifetime is increased by annealing them after the electrodes are machined. This annealing relieves the surface st... | 03/13/2007 |
| 7181855 | Methods and devices for enhancing intensity of on-surface lines cast by laser line projectors or the like Given a situation where a projected laser line appears to have terminated or faded as it intersects with a work-surface (e.g., a wall), a fan-out redirecting means is used to capture and redirect energy radiating above and parallel to, or radiating away from the giv... | 02/27/2007 |
| 7181854 | Laser leveling device having a suction mounting arrangement A laser leveling device having a suction mounting arrangement includes a housing and a mounting seal extending from the lower portion of the housing. The mounting seal cooperates with an attachment surface to define a suction mounting area therebetween. The suction ... | 02/27/2007 |
| 7174647 | Laser line projector with spherically rotatable support and level/plumb indicators for the support A spherically rotatable support for a light image projector has level and/or plumb indicators for leveling or plumbing a central reference frame of its spherical rotation. A projected light image, such as a laser line segment of relatively short length may be succes... | 02/13/2007 |
| 7166079 | Methods and apparatus for observing and recording irregularities of the macula and nearby retinal field Systems and methods for observing and recording retinal irregularities are disclosed. A method according to the invention includes illuminating a viewing area with a steady light, illuminating the viewing area with a flash pattern, and enabling a user to observe, by... | 01/23/2007 |
| 7155834 | Laser alignment method and apparatus Laser alignment methods and apparatus are disclosed whereby pipe and similar materials may be aligned. The methods and apparatus are adapted to be utilized on the end of pipe or other material and thereby using as a reference point that pipe or other material with t... | 01/02/2007 |
| 7150811 | Ion beam for target recovery A charged particle beam apparatus and method for locally removing material from a predetermined location on a workpiece, such as the removal of a metallization layer covering an alignment mark on a wafer. The invention is particularly suited for high-volume mass pro... | 12/19/2006 |
| 7139612 | Multi-phasic microphotodiode retinal implant and adaptive imaging retinal stimulation system An artificial retina device and a retinal stimulation system and method for stimulating and modulating its function is disclosed. The artificial retina device includes multi-phasic microphotodiode subunits. In persons suffering from blindness due to outer retinal la... | 11/21/2006 |
| 7135654 | Angle-variable optical marking apparatus An optical marking apparatus includes: a laser illuminator mounted in a housing for emitting a laser optical line for marking purpose, and an angle-variating device provided in the housing; whereby upon an angular rotation of the apparatus, the laser illuminator wil... | 11/14/2006 |
| 7134212 | Laser level A laser level disposable on a reference surface includes a housing, a pendulum pivotably connected to the housing, a first laser diode disposed on the pendulum for emitting a first laser beam along a first path, a first lens disposed on the pendulum in the first pat... | 11/14/2006 |
| 7132123 | High rep-rate laser with improved electrodes The present invention provides a gas discharge laser having at least one long-life elongated electrode for producing at least 12 billion high voltage electric discharges in a fluorine containing laser gas. In a preferred embodiment at least one of the electrodes is ... | 11/07/2006 |
| 7124513 | Three way laser indicator A laser indicator has a laser mechanism having three laser generators generating laser beams perpendicular to each other. Each of the three laser generators is electrically coupled to a separate laser control motor for independent control of the beam of the correspo... | 10/24/2006 |
| 7123636 | Laser light irradiator A laser beam irradiation device according to the present invention is so constructed that it may increase or decrease the excitation electric current flowing through its semiconductor laser diode to enable a user to selectively practice both non-thermal and photo-th... | 10/17/2006 |
| 7119878 | Exposure apparatus and method of cleaning optical element of the same An exposure apparatus for exposing a substrate to a pattern of a mask by use of exposure light. The apparatus includes an optical system for directing the exposure light from a light source to the substrate, the optical system having an optical element, a first casi... | 10/10/2006 |
| 7120178 | Chip carrier apparatus and method A chip carrier having improver thermal properties, wherein the chip carrier may be formed having waist section, and a first transverse end portion joined to the waist section. A first surface of the carrier being configured to receive a chip thereon, and a second su... | 10/10/2006 |
| 7116851 | Optical signal receiver, an associated photonic integrated circuit (RxPIC), and method improving performance Photonic integrated circuits (PICs), also referred to as opto-electronic integrated circuits (OEICs), and more particularly to a PIC in the form of an optical receiver PIC or RxPIC chip and an optical transmitter PIC (TxPIC) are employed in an optical transport netw... | 10/03/2006 |
| 7116697 | Laser level The present invention relates to laser leveling device suitable for construction. The present invention uses a standard low cost laser diode module as the laser source and optical system. A novel method is provided to align the non-collimated beam emitted from the s... | 10/03/2006 |
