Patent application number | Description | Published |
20100067351 | OBJECT LENS DRIVING APPARATUS AND MANUFACTURING METHOD THEREOF - An objective lens driving apparatus includes an objective lens ( | 03-18-2010 |
20100074284 | LIGHT SOURCE UNIT AND IMAGE DISPLAYING APPARATUS USING THE SAME - An object is to provide a light source unit that focuses a laser beam having different divergence angles in longitudinal direction and lateral direction, without deviating longitudinally and laterally from an incident end-face of an optical fiber, and also that simplifies assembling lenses into a lens barrel. The light source unit herein provided includes a first lens barrel | 03-25-2010 |
20100074580 | LIGHT SOURCE UNIT AND IMAGE DISPLAYING APPARATUS - A light source unit includes a laser element that includes a plurality of light emitting points that are arranged along one direction on an end face thereof and irradiates laser beams having a spread in a spreading direction that is perpendicular to the one direction. A cylindrical lens held by a first body tube collimates the laser beams in block. Circular lenses held by a second body tube condense the collimated beams into an inlet of an optical fiber. The first body part and the second body part are positioned and directly coupled to each other so that an optical axis of the cylindrical lens accords with that of the circular lenses. | 03-25-2010 |
20100118283 | LIGHT SOURCE UNIT AND IMAGE DISPLAYING APPARATUS USING THE SAME - An object is to provide a light source unit that focuses a laser beam, having different divergence angles in longitudinal direction and lateral direction, so as not to allow longitudinally and laterally deviating from an incident end-face of an optical fiber. The light source unit herein provided is configured to form the laser beam | 05-13-2010 |
20100153980 | Optical-Means Driving Device - In a conventional optical-means driving device mounting a plurality of objective lenses, a lens holder is provided with introduction holes to serve thereinto inner yokes, so that it has been difficult to enhance stiffness and to increase secondary resonance. | 06-17-2010 |
20100162282 | Optical-system driving device - An optical-system driving device is achieved that can switch over between objective lenses and is space-saving, lightweight, and simply-configured. | 06-24-2010 |
20110044069 | LIGHT SOURCE DEVICE AND METHOD OF PRODUCING THE SAME - An objective is to provide a light source device having a light emission source such as a semiconductor laser (LD), an LED and a lamp, and an optical part such as a lens and a fiber for transmitting, transferring and light-focusing, in which, by controlling the amount of sulfate ions inside the device at a low level, adhesion of ammonium sulfate to the optical part can be prevented. The light source device includes a light source for emitting light, an optical part for processing light emitted from the light source, and a housing in which the optical part is housed, or to which the optical part is mounted, and the housing is formed by machining material that includes no sulfur component, and the material is exposed on the surface thereof. | 02-24-2011 |
20110096542 | LIGHT SOURCE DEVICE - Included are a plurality of cylindrical holders having holes into which laser modules are fitted and fixed, respectively; a plate-like base that has a first surface, a second surface opposite to the first surface, and a plurality of through holes through which the laser beams from the plurality of laser modules fixed to the holder pass, the holders abutting against the first surface so as to connect the holes thereof to the through holes of the base, the second surface of the base being arranged with a plurality of lenses corresponding to the through holes; and adhesives applied to outer corners of abutment portions, at which the base and the LD holders abut against each other, for fixing the base and the LD holders to each other. | 04-28-2011 |
20110096543 | LIGHT SOURCE DEVICE - Included are, a module fixing body having a plurality of mounting holes into which laser modules are fitted and accommodated, respectively; an electricity-supplying member having an end provided with electricity-supplying terminals, which are connected to electricity-receiving terminals of the laser module accommodated in the mounting hole; and a cooling member that cools each of the laser modules. A groove in which the electricity-supplying member is accommodated is formed in a surface of the module fixing body, and the cooling member is closely arranged on the surface of the module fixing body. | 04-28-2011 |
20130176730 | LIGHT SOURCE APPARATUS - A light source apparatus includes an outer casing. A light source member and a light source module having a cooling body which cools the light source member are disposed in the outer casing. A wind tunnel which surrounds a heat pipe unit as the cooling body of the light source module is provided in the outer casing. The wind tunnel includes a wind passage which allows cooling wind to pass through the heat pipe unit. An intake-opening is formed in a surface of the outer casing, and cooling wind is taken into the outer casing from outside thereof through the intake-opening. One end of the wind passage of the wind tunnel is connected to the intake-opening. | 07-11-2013 |
20130258666 | LIGHT SOURCE DEVICE - A light source device includes an outer housing, a partitioning member for forming a multi-stage structure in the outer housing, thereby partitioning each stage, a plurality of light source units disposed in respective stages of the outer housing, each of which has light source members and a heat pump unit for cooling the light source members, an opening portion for taking air acting as cooling air to be supplied to a cooling body from an outer part of the outer housing into an inner part thereof, and an opening portion formed along arrangement of the light source units in the partitioning member. | 10-03-2013 |
20130335993 | LIGHT SOURCE APPARATUS - A light source apparatus includes a plurality of light source modules each including at least one light source unit, light guide lines connected respectively to the light source units, and a casing accommodating the plurality of light source modules and the plurality of light guide lines. The light guide lines are led from the light source units so as not to intervene in the plurality of light source modules when viewed in a direction perpendicular to an array direction of the plurality of light source modules. The plurality of light source modules are separately attachable and detachable in the direction perpendicular to the array direction of the plurality of light source modules. | 12-19-2013 |
20140091198 | LASER OUTPUT MEASUREMENT MECHANISM - A laser output measurement mechanism includes a light splitter that is disposed in a state rotated by a predetermined angle about an optical axis of laser light incident thereon, and that reflects a part of the laser light according to a Fresnel reflectivity that depends on a polarization direction and an incident angle of the laser light at a reflection surface thereof, and a light detector that measures an intensity of the laser light reflected by the light splitter. | 04-03-2014 |
20140285804 | LASER OUTPUT MEASURING APPARATUS - A laser output measuring apparatus in which an optical separator is disposed in a position that is rotated by a predetermined angle about an optical axis of a laser beam converged by a lens, and further rotated by a predetermined angle about the optical axis of the laser beam and a straight line perpendicular to an incident surface of the laser beam. | 09-25-2014 |
20140300873 | LASER LIGHT SOURCE APPARATUS AND IMAGE DISPLAY APPARATUS - A laser light source apparatus includes: a laser light source that emits a laser beam; a condenser lens that converges the laser beam emitted from the laser light source; and a light guide unit that propagates and outputs the laser beam converged by the condenser lens, and the laser beam converged by the condenser lens is made incident at an angle other than perpendicular to an incident end face of the light guide unit. | 10-09-2014 |