Abstract: A laser device which produces one or more wavelengths of pulsed diffuse laser light that can be direcetd at a target to produce a diffuse laser illumination, and a method of illuminating and viewing a target with the reflection from one or more wavelengths of diffuse laser light refelcted off a target.

Abstract: A vehicle with a plurality of individually addressable light sources, preferably semiconductor laser light sources or light emitting diodes, each of which produce a beam of light, are optically coupled to a fiber optic waveguide. The laser light sources are grouped together preferably at a single location within the vehicle for easy access and conveniently located within the vehicle. Fiber waveguides distally transmits the beams to the optical loads of the vehicle, including the brake lights, taillights, instrumentation lights and turn signals. Each fiber optic waveguide may be a single optical fiber, such as a multimode fiber, having a numerical aperture large enough to receive illumination from a plurality of light sources. In cases where some optical loads require a larger flux or brightness of light, such as vehicular headlights, which may greater than a single optic fiber can transmit, the waveguide may comprise of a bundle of optical fibers.

Abstract: A laser light projector includes a housing having a plurality of apertures, a number of laser diodes and drivers mounted on said housing and aligned to direct laser light beams through the apertures, a controller connected to each driver for controlling the timing and sequence of laser light beams from the laser diodes, and a plurality of mirrors aligned to receive the laser light beams and deflect the beams in desired directions. A second embodiment includes connectors connected to the controller and utilizes plug-in modules, each including a laser diode and a driver to permit various types and numbers of laser modules to be operated by the controller.

Abstract: A laser flashlight employs an emitter disposed within a housing for emitting a coherent light beam having a gaussian spatial profile along an optical axis toward the exit face of the housing. An optical system disposed within the housing intermediate the emitter and the exit face of the housing includes a laser element pumped by the emitter, a frequency/wavelength converter, and a resonator, to form the coherent light into a laser beam. A beam expander receives the laser beam, disperses the laser beam, and transmits the dispersed laser beam from the light emitting end of the housing into the ambient environment. The dispersion of the laser beam is such that the laser beam is safe for the human eye.

Abstract: An emergency lighting fixture includes a frame employing an indicator on the front of the frame, an illumination lamp installed in the inside of the frame, a laser projector exposed to the front of the frame from the inside of the frame, an angle adjusting unit for adjusting a projecting angle of the laser projector, and an emergency power supplying battery, installed in the inside of the frame, for impressing a power supply into the illuminating lamp and the laser projector in response to a signal of a fire sensor in the event of fire.

Abstract: A non-lethal method and devices for dispersing nuisance birds from a preselected area. Such nuisance birds disrupt many activities such as the steady flow of safely moving aircraft on runways and adjacent thereto, growing crops on farmland, playing golf and the use of the interior of large open buildings. The present method utilizes a series of bright light sources that are positioned adjacent the area from which the birds are to be dispersed. The light sources are activated to produce one or more beams of bright light that are moved in such a manner to produce a pattern of bright light in the vicinity of the birds to be dispersed. This action causes the birds to become sufficiently startled and disoriented so as to disperse these nuisance birds from the area to be cleared.

Abstract: A laser diode module attachment and mounting apparatus for adjustably mounting a laser diode module onto a fixed object, such as a pole, table edge, or refrigerator or the like, or an item of apparel, such as a cap, belt, pants, shirt or the like, thereby enhancing not only the practical applications for the Laser Diode, but also furthering its entertainment appeal. The laser diode module attachment and mounting apparatus allows for aiming, and hence projecting, a laser image on a desired target while the laser diode module is either attached to an item of apparel worn by the user or mounted onto an object. The apparatus generally comprises a first means for attaching a laser diode module onto an object, a second means for adjusting a laser diode module, and an attachment mechanism for securing the laser diode module onto the second adjusting means. The second adjusting means allows for rotation, and hence, aiming of the laser diode module around one rotational axis or around a plurality of rotational axes.

Abstract: A flashlight having multiple light sources that may be actuated by a user. A first light source located at or near a first end of the flashlight provides a concentrated, linear beam of light from a head module that is generally parallel with the flashlight when the first light source is actuated. A reflector focuses the beam of light. A second light source in combination with a reflector located a tail module, which is at or near a second end of the flashlight, provides radial illumination with respect to the tail module when the second light source is actuated. The reflector diffuses illumination at the tail module. A switching mechanism enables a user to selectively actuate or deactuate the first and/or second light sources.

Abstract: A golf putting indication device includes a light emitting golf putter, a light sensing unit, and a display unit. The light emitting golf putter includes a light beam which projects from a strike face of the light emitting golf putter. The light sensing unit includes a plurality of photocells. Each photocell is housed in a tubular compartment. The display unit contains a plurality of light emitting devices. The number of light emitting devices corresponds to the number of photocells. Each photocell is electrically connected to a battery and to a single light emitting device. When a photocell is struck with the beam of light, the photocell's respective light emitting device emits light. In use, a golfer practices swinging the light emitting golf putter such that the light beam only enters one of the tubular compartments.

Abstract: In case of driving each of light emitting parts of a surface emitting laser, each of-light emitting parts is made to be in forward-bias state and switches appropriately change bias voltage, which is lower than laser oscillation threshold voltage, and drive voltages, which are not less than the laser oscillation threshold voltage to directly apply the changed voltage to each of drive ends of the light emitting parts. Whereby, each of light emitting parts is driven.

Abstract: A pen light includes a barrel and a cap attached to the barrel, and cartridge being arranged within the barrel. The barrel is made from transparent material and is provided with connecting portions at both ends thereof for engagement with the cap. A lighting assembly is arranged in the cap and includes a lighting device being arranged within the cap and which is powered by a battery disposed within the cap. A switch is arranged on the cap for controlling On/Off of the lighting device, wherein the lighting device is arranged to an end of the cap. The cap can be used individually as a flashlight or together with the barrel thereby providing aesthetic appearance of the barrel.

Abstract: The invention provides an apparatus for chemical synthesis comprising a light source, for example, a laser light source; a means for dispensing a chemical reagent onto the solid support; a means for splitting light emanating from the light source into two or more split beams of light; a means for polarizing the beams of light; a means for collimating the polarized light; a ¼-wave plate disposed between the collimating means and the solid support; a means for focusing the polarized light onto the solid support; and a photodetector array.

Abstract: A laser device which directs one or more wavelengths of pulsed diffuse laser light at a target to produce a diffuse laser illumination, and a method of illuminating and viewing a target with the reflection from one or more wavelengths of diffuse laser light reflected off a target.

Abstract: A laser pen includes a metallic barrel, a laser device mounted in the upper portion of the metallic barrel, a safety power cutoff device having an insulating tube secured in the lower portion of the metallic barrel, a plurality of batteries received in the upper portion of the insulating tube and electrically connecting to the laser device, a reservoir tube having a top portion including a metallic contact head movably mounted in the lower portion of the insulating tube and detachably contacting one of the batteries, and a rotating device mounted on the lower portion of the metallic barrel and engaged with the metallic contact head of the reservoir tube for moving the metallic contact head.

Abstract: A laser flashlight employs a laser emitter disposed within a housing for emitting a coherent light along an optical axis toward the light emitting end of the housing. A power supply selectively applies electricity from a battery pack disposed within the housing to the laser emitter. An optical system disposed within the housing intermediate the laser emitter and the light emitting end of the housing includes a laser element pumped by the laser emitter, a frequency/wavelength converter, and a resonator, to form the coherent light into a laser beam. A beam expander receives the laser beam, disperses the laser beam, and transmits the dispersed laser beam from the light emitting end of the housing into the ambient environment. The dispersion of the laser beam is such that the laser beam is safe for the human eye at the light emitting end of the housing.

Abstract: A laser lighting system which employs employ visible and reflective laser beam lighting sources to provide illumination of airport runways and taxiways, preferred approach and departure routes, seaplane base landing areas, marine waterways, as well as to assist in search and rescue operations. The lighting system includes handheld laser lighting units or flares particularly useful for search and which have an optic which emits a laser beam for generating a laser line which is uniformly illuminated from end to end. The handheld laser lighting units may have a pistol grip housing or a cylindrical housing, and may feature either a trigger switch, a plunger switch, or a rotary switch. The handheld laser lighting units are battery powered, and include waterproofing seals for protection from the elements.

Abstract: The present invention relates to an apparatus and method of perforating the cover layer or soft skin of an automotive trim panel such as an instrument panel with a laser to allow light to bleed through the perforations. The light source would preferably be a low heat generating or “cool” type source such as an LED. The light source would be attached to a suitable substrate or incorporated in to a flexible printed circuit and coupled to the vehicle electrical system. This method would enable full switch integration to a trim panel and provide a seamless styling opportunity regarding the electrical controls. This method would help reduce cost and weight, improve quality, and promote new seamless styling theme.

Abstract: A safety light for a vehicle is provided. The safety light includes a housing defining a retaining space. The housing is mountable to the vehicle proximate the rear end thereof. The safety light further includes a light source supported within the retaining space of the housing such that the light source projects a visual line of reference from the housing and onto a roadway on which the vehicle is traveling substantially coextensive to the rear end of the vehicle and perpendicular to the direction of travel of the vehicle so that the driver of the vehicle is able to determine the position of an adjacent obstacle relative to the rear end of the vehicle.

Abstract: The invention concerns a device for optically transforming at least a radiation beam having a width extending in the plane X-Y. The device including optical elements provided with optically active interfaces, arrange in the radiation path. So as to obtain a more homogeneous intensity distribution in the output radiation beam and minimize internal losses, the invention includes at least one optical element in the form of a continuous angular transformation element including an optical interface having, along the x axis, an inclination continuously varying in the radiation direction, relative to the Y axis. The invention further concerns a method for continuously transforming a beam width extending in the X-Y plane, at least in the direction X, with defined divergence distribution.

Abstract: A combination stylus and laser pointer for use in connection with a personal digital assistant (PDA), the combination having a thin slimline housing enabling the apparatus to be stored in a groove or channel located on the PDA. A laser module assembly for generating a laser beam is secured within the housing on one end thereof. The device further includes an interchangeable stylus and pen tip that is secured within the housing at the opposite end thereof.

Abstract: A laser pointer is provided having multiple laser elements emitting collimated visible light beams at multiple wavelengths.

Abstract: A device for temperature measurement uses an optical system to image the heat radiation emanating from a measurement spot on an object of measurement onto a detector. A sighting arrangement is also provided which has a diffractive optical system by which a light intensity distribution is produced which corresponds to the position and size of the measurement spot on the object of measurement.

Abstract: A light unifier, which comprises a plurality of light sources, particularly laser diodes, emitting parallel light beams of a rectangular cross-section, for focusing the light energy of all the beams onto a target area through beam-shaping means, which comprises transverse collimators, means for juxtaposing the emitted beams to form a unified beam, a longitudinal collimator for longitudinally collimating the unified beam, and means for focusing it onto the target area. The light beams have a transverse and a longitudinal divergence and the ratio of the transverse divergence to the longitudinal divergence is higher than 1. The transverse collimators are placed at such a distance from the sources that, at the point at which the beams reach them, the sum of the short sides of the beams is equal to the long side of each of them at the point at which they reach the longitudinal collimator.

Abstract: A laser beam emitting unit includes a laser diode, a collimating lens upon which a laser beam emitted by the laser diode is incident, a base plate to which the laser diode is fixed, a lens holder which holds the collimating lens, and a holder support plate via which the lens holder is fixed to the base plate. The holder support plate includes a flat portion which faces the base plate with a gap between the flat portion and the base plate, and at least two leg portions which extend from the flat portion to the base plate in a direction substantially perpendicular to the flat portion. Each of the at least two leg portions includes a claw portion which is deformed to be fixed to the base plate, wherein the gap is maintained between the flat portion and the base plate.

Abstract: A device for the non-contact temperature measurement on an object comprises a detector device with a detector and IR optics, which image the detector along a measuring beam path with an optical axis onto a measuring spot on the object, and a sighting device for the visualization of the measuring spot with a light source for the creation of marking light and ring optics, which form a marking beam path that surrounds the outer circumference of the measuring beam path. The marking light is aligned so that on each location of the marking beam path its cross section, vertical to the optical axis, forms a circular ring surface.

Abstract: A hole alignment device for aligning holes to be drilled in a joist. The hole alignment device includes a laser light emitter device. The laser emitter includes a first end, a second end and a peripheral wall extending therebetween. In an embodiment the laser emitter emits a laser light from the first end. The invention also includes a mounting member for removably mounting the laser emitter in the hole of a joist. The mounting member includes a first end, a second end and a peripheral wall extending therebetween. The first end includes a hole extending therein and extending through the second end. The laser emitter includes a size designed for removably positioning in the hole of the mounting member.

Abstract: A method and apparatus for generating a three-dimensional image is provided. The system uses one or more laser beams directed at one or more mirrors. Each mirror is flexibly attached to the vibrating portion of a transducer such as a speaker, the transducer being coupled to a signal source. Suitable signal sources include radio and television tuners, CD players, tape decks, VCRs, musical instruments with suitable signal outputs, and signal generators. The laser beam(s) reflected by the mirror(s) is directed at a rotating viewing surface, the viewing surface being semi-transparent. Due to the rotation of the viewing surface, a three-dimensional image is formed that can be viewed from multiple angles.

Abstract: A combination of an electrically powered portable light and a reuseable portable fuel cell provides a practical light source which may be operated by a plurality of alternative sources of electrical energy such as a battery, a generator, a solar cell, and an A/C current converter.

Abstract: A light curtain device for creating a curtain of light between a reflective first location and a second location is disclosed. The device includes a light source adapted to provide a light column, a plurality of beam splitters, a plurality of light detectors, and an indicator arranged to indicate the interruption of the light column. The beam splitters are disposed to intersect the light column at intervals, and each of the beam splitters is adapted to direct a deflected portion of the light column toward the first location. The reflective first location receives the deflected portion of the light column from each of the beam splitters and reflects each deflected portion toward the second location. The light detectors are disposed adjacent the second location, with each of the light detectors being operatively associated with a corresponding one of the beam splitters and being positioned to the receive its corresponding deflected portion reflected by the reflector.

Abstract: A laser diode module attachment and mounting apparatus for adjustably mounting a laser diode module onto a fixed object, such as a pole, table edge, or refrigerator or the like, or an item of apparel, such as a cap, belt, pants, shirt or the like, thereby enhancing not only the practical applications for the Laser Diode, but also furthering its entertainment appeal. The laser diode module attachment and mounting apparatus allows for aiming, and hence projecting, a laser image on a desired target while the laser diode module is either attached to an item of apparel worn by the user or mounted onto an object. The apparatus generally comprises a first means for attaching a laser diode module onto an object, a second means for adjusting a laser diode module, and an attachment mechanism for securing the laser diode module onto the second adjusting means. The second adjusting means allows for rotation, and hence, aiming of the laser diode module around one rotational axis or around a plurality of rotational axes.

Abstract: Method and apparatus are provided for visibly outlining the energy zone to be measured by a radiometer. The method comprises the steps of providing a laser sighting device on the radiometer adapted to emit more than two laser beams against a surface whose temperature is to be measured and positioning said laser beams about the energy zone to outline said energy zone. The apparatus comprises a laser sighting device adapted to emit more than two laser beams against the surface and means to position said laser beams about the energy zone to outline said energy zone. The laser beams may be rotated about the periphery of the energy zone. In another embodiment, a pair of laser beams are projected on opposite sides of the energy zone. The laser beams may be further pulsed on and off in a synchronised manner so as to cause a series of intermittent lines to outline the energy zone. Such an embodiment improves the efficiency of the laser and results in brighter laser beams being projected.

Abstract: Method and apparatus are provided for visibly outlining the energy zone to be measured by a radiometer. The method comprises the steps of providing a laser sighting device on the radiometer adapted to emit at least one laser beam against a surface whose temperature is to be measured and positioning said laser beam about the energy zone to visibly outline said energy zone. The apparatus comprises a laser sighting device adapted to emit at least one laser beam against the surface and means to position said laser beam about the energy zone to visibly outline said energy zone. The laser beam may be rotated about the periphery of the energy zone. In another embodiment, a pair of laser beams are projected on opposite sides of the energy zone. The laser beam may be further pulsed on and off in a synchronized manner so as to cause a series of intermittent lines to outline the energy zone. Such an embodiment improves the efficiency of the laser and results in a brighter laser beam being projected.

Abstract: A light source device for use in an image forming apparatus and using a semiconductor laser is disclosed. The device needs a minimum of constituent parts and frees the individual part from dislocation in the event of assembly. A collimator lens included in the device is fixed in place by photo-curable adhesive. The device is low cost and highly accurate.

Abstract: A method for illuminating an object (79) is disclosed, which is characterized by the steps of injecting (1) the light beam (13) from a laser (9) into a microstructured optical element (19), which spectrally broadens the light of the light beam (13), shaping (3) the spectrally broadened light (31) to form an illumination light beam (29), and directing (5) the illumination light beam (29) onto the object (79). An instrument (7) for illuminating an object (79) is furthermore disclosed, which comprises a laser (9) that emits a light beam (13), which is directed onto a microstructured optical element (19) that spectrally broadens the light from the laser. A optical means (33) which shapes the spectrally broadened light (31) to form an illumination light beam (29) is arranged downstream of the microstructured optical element (19).

Abstract: A laser projection device with multiple functions comprises a casing, a locating leg and two support legs associated with the lower end of the casing respectively, a transverse bar provided in the casing, a heavy weight pivotally engaging with the transverse bar, and a vertical laser line indicating module and a horizontal laser point indicating module fitting with the heavy weight respectively. The vertical laser line indicating module emits a vertical indicating line and the horizontal laser point indicating module emits indicating points. The vertical indicating line and the horizontal indicating line are orthogonal to each other, and the tip of the locating leg is right on a vertical plane of light and right under the horizontal indicating line.

Abstract: An optical system is provided for use with a target site and includes a laser source producing an output beam and a reflector. A beam splitter is positioned to receive the output beam and splits the output beam into a first beam incident on the reflector and a second beam incident on at least one point of the target site. The reflector is adjustably positioned and movable along the reference optical path moveable along the reference optical path to change a length of the reference optical path.

Abstract: An illuminating nut driver system comprises a hollow torque handle, the proximal end being hollow and having threads on its interior, and the distal end having an opening with a key way therein. A cylindrical nut driver at a first end and a key member at a second end are both integral with a hollow nut driver shaft. The key member is configured for coupling with the key way of the handle for being locked against rotation. A detachable lamp/laser module is removably positionable within the handle from the proximal end with threads on the proximal end coupleable with the handle. A lamp chamber is positioned within the module facing the distal end of the handle. A lamp is detachable mounted within the lamp chamber. A laser generator is positioned adjacent to the lamp at the distal end of the module. The laser generator is mounted so that its radiation is pointed out the hollow driver shaft so it can be used as a pointer. A generally cylindrical end cap has a switch contained therein.

Abstract: A light source device for use in an image forming apparatus and using a semiconductor laser is disclosed. The device needs a minimum of constituent parts and frees the individual part from dislocation in the event of assembly. A collimator lens included in the device is fixed in place by photo-curable adhesive. The device is low cost and highly accurate.

Abstract: The invention relates to a device for temperature measurement. The heat radiation emanating from a measurement spot on an object of measurement is imaged by an optical system onto a detector. A sighting arrangement is also provided which has a diffractive optical system by which a light intensity distribution is produced which corresponds to the position and size of the measurement spot on the object of measurement.

Abstract: 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 the reference beam generated by the laser providing a center reference point from the pipe on which the laser is mounted. In a preferred embodiment, the laser apparatus mounting is threaded so as to be used in mating relationship with the ends of complimentarily threaded pipes. Another preferred embodiment utilizes caps of various sizes, adapted to be placed on a pipe end, with mounting means for the laser.

Abstract: Device for contactless temperature measurement of an object with an optical system which images into the finite and a detector, wherein an image of the detector is imaged by the optical system along an optical axis onto a measurement spot on the object in such a way that the image of the detector reduces from the optical system to a sharp point measurement spot and then enlarges, and also with a sighting arrangement which identifies the outer limit of the measurement spot by means of visible sighting rays. Each sighting ray is aligned obliquely with respect to the optical axis in such a way that each sighting ray can be used both before and also after the sharp point measurement spot to identify the measurement spot.

Abstract: A light-emitting adder allowing to obtain a high brightness, integrated, substantially coherent light beam illuminating a target area either evenly or with increased brightness in the center of the illuminated spot, comprises a plurality of light sources located in a same plane and beam-shaping means provided with beam-transporting means in order to form the resultant beam. Various ranges of variations for optical lengths L and wavelengths &lgr; of the light sources, as well as for degrees of beams mixing, are proposed.

Abstract: A laser lighting system which employs employ visible and reflective laser beam lighting sources to provide illumination of airport runways and taxiways, preferred approach and departure routes, seaplane base landing areas, marine waterways, as well as to assist in search and rescue operations. The laser lighting system may be a laser lighting post or a laser lighting unit for providing radiation along a surface that includes at least one laser for producing a beam of coherent visible or reflective radiation, and a glass plano-convex cylindrical lens which has an aspherical convex cylindrical surface for generating a laser line which is uniformally illuminated from end to end. The laser lighting post includes a mounting column which has an access door for providing access to a tilt switch assembly and an AC/DC power adapter unit. The mounting column is attached to a base plate by a frangible coupling.

Abstract: A projector for use in a measuring device is provided with an emitter which emits a beam of visible light to a measurement object along a predetermined optical axis, a rotary optical member which is operable to change the propagation direction of the visible light beam with respect to the predetermined optical axis in accordance with rotation of the rotary optical member, and a driver which rotates the rotary optical member about a rotation axis. The projector accurately indicates a measurement area on a measurement object in simpler construction.

Abstract: Disclosed is an emergency lighting fixture comprising: a frame employing an indicator on the front of the frame; an illumination lamp installed in the inside of the frame; a laser projector exposed to the front of the frame from the inside of the frame; and an emergency power supplying battery, installed in the inside of the frame, for impressing a power supply into the illuminating lamp and the laser projector in response to a signal of a fire sensor in the event of fire.

Abstract: An apparatus is provided for visibly outlining an energy zone to be measured by a radiometer. The apparatus includes a laser beam generator and an optical means. The optical means directs the laser beam to the energy zone to form a continuous ring for identifying the energy zone.

Abstract: A micromachined movable shuttle is constructed in III-V material to allow in situ placement of VCSELs on the shuttle for a solid state image scanner in optical display and printing applications. A comb drive is used to actuate the shuttle for scanning purposes. Hundreds of VCSELs may be fabricated on a large movable shuttle.

Abstract: The invention is a device for deflecting a light beam. A system includes a memory unit for memorizing the data of a symbol to be read into the system, a laser beam deflection unit, a laser, and a power source. All parts are integrated in a housing which can be held by the human hand. The light beam is deflected using piezo-responsive elements.

Abstract: An illumination optical apparatus (IOA1) and an exposure apparatus (EA1) having same, that reduces coherence in the illumination light beam, which in turn eliminates illumination non-uniformities at the mask (13) and wafer (17). The illumination apparatus comprises, in order along an optical axis (AX), a coherent light source (1) capable of generating a first light beam (b1) having a coherence length, the light beam being directed along a first optical path. Further included is a depolarizer (3) and a first optical delay element (4). The latter is capable of splitting from the first light beam a second light beam (b4) which travels a delay optical path (DOP1) with a path length not less than the coherence length of the first light beam. The delay optical path returns to said first optical path at a deflection angle from said optical delay element. The illumination optical system may also include a plurality (i.e., second, third, etc.) optical delay elements or splitting delay stages (e.g.

Abstract: Device for contactless temperature measurement of an object with an optical system which images into the finite and a detector, wherein an image of the detector is imaged by the optical system along an optical axis onto a measurement spot on the object in such a way that the image of the detector reduces from the optical system to a sharp point measurement spot and then enlarges, and also with a sighting arrangement which identifies the outer limit of the measurement spot by means of visible sighting rays. Each sighting ray is aligned obliquely with respect to the optical axis in such a way that each sighting ray can be used both before and also after the sharp point measurement spot to identify the measurement spot.