Abstract: An electric apparatus according to the embodiments of the present disclosure includes a display, a camera module located at a back side of the display, the camera module including an optical lens and an imaging sensor to sense light through the optical lens to capture an image, a heatsink substrate to draw heat away from the imaging sensor, the imaging sensor being disposed on the heatsink substrate, a heat radiation plate connected to the heatsink substrate, and an enclosure storing the camera module, the heatsink substrate, and the heat radiation plate inside thereof, the enclosure enclosing the display. The heat radiation plate is a meta material that radiates heat toward an outside of the electric apparatus through the display or the enclosure.

Abstract: The present invention is directed to a drum washing machine. In particular, the drum washing machine includes a rotating tub, wherein the rotating tub has a cylindrical drum having a front formed with a circular opening through which laundry is put into the rotating tub and having a rear that is closed. The drum washing machine further includes a DC brushless motor for generating a driving force for wash, rinse and dehydration operations and a rotor. The drum washing machine further includes a rotational shaft of the motor having a front end directly fixed to the rotating tub and a rear end fixed to a core of the rotor, so that torque developed by the motor is directly transmitted to the rotating tub. A current detector is provided in the drum washing machine for detecting electric current flowing into the motor.

Abstract: Mirror sequential data supplied from an RIP are temporarily stored as divided data in memory banks of an intermediate memory. Thereafter, the stored mirror sequential data are read in blocks. Then, a transposition processor transposes a matrix of the mirror sequential data into frame sequential data, and supplies the frame sequential data to a DMD controller.

Abstract: A laser apparatus includes: a plurality of laser diodes respectively having light-emission points and being fixed to a block so that the light-emission points are aligned along a direction; and a collimator-lens array integrally formed to contain a plurality of collimator lenses which are arranged along a direction and respectively collimate laser beams emitted from the plurality of laser diodes. The block has a lens-setting surface which is flat, perpendicular to optical axes of the plurality of laser diodes, and located on the forward side of the plurality of laser diodes at a predetermined distance from the light-emission points, and the collimator-lens array is fixed to the block so that an end surface of the collimator-lens array is in contact with the lens-setting surface.

Abstract: An exposure image is accurately projected. An exposure apparatus includes a light source for emitting exposure light, a DMD, which includes a plurality of two-dimensionally-arranged pixel portions, and a telecentric optical system for collimating principal rays of the exposure light. The telecentric optical system is positioned in an optical path of the exposure light that enters the DMD. The DMD performs, based on an image signal, spatial light modulation on exposure light, which has been emitted from the light source, and that has entered the plurality of pixel portions, for each of the plurality of pixel portions.

Abstract: The present invention provides an inexpensive exposure device with a simple structure which can draw in high precision by correcting drawing pixel positions at a time of exposing by respective beams emitted from a side of a device for selectively modulating a plurality of pixels so as to draw. A predetermined drawing shape is obtained by relatively moving a stage and an exposure head so as to execute a scanning exposure in accordance with a predetermined pattern in a state of regulating an image allocated to each of drawing pixels on the basis of correcting data, stored in a memory of a control unit, at least relating to a locus of drawing pixel positions corresponding to scanning positions of predetermined drawing pixels necessary for correction, and radiating each of light beams emitted from a device disposed in the exposure head selectively modulating a plurality of drawing pixels on the basis of the adjusted image data on an exposure member mounted on the stage.

Abstract: Mirror sequential data supplied from an RIP are temporarily stored as divided data in memory banks of an intermediate memory. Thereafter, the stored mirror sequential data are read in blocks. Then, a transposition processor transposes a matrix of the mirror sequential data into frame sequential data, and supplies the frame sequential data to a DMD controller.

Abstract: An exposure apparatus includes a light source for emitting exposure light, a spatial light modulation means for performing spatial light modulation, based on an image signal, on the exposure light, an imaging means for forming an image on a photosensitive material with the exposure light on which spatial light modulation has been performed, and a focus adjustment means for adjusting focus by changing the optical path length of the modulated exposure light when an image is formed on the photosensitive material with the spatially modulated exposure light. The imaging means forms an image with the spatially modulated exposure light only by a substantially rectangular region of the imaging means including the central portion of the imaging means.

Abstract: A drum washing machine including a cylindrical drum, a DC brushless motor directly connected to the drum, a current detector detecting current flowing through the motor, a torque control vector-controlling the motor on the basis of the current detected by the current detector so that motor torque becomes optimum at least in a wash or dehydration operation, and a laundry weight estimator accelerating the motor with a maximum output torque developed when determining that motor speed is between a first speed at which laundry is assumed to start falling from an uppermost part of inner periphery of the drum when motor speed is reduced from a high speed side and a second speed at which laundry is assumed to start sticking to an uppermost part of the inner periphery of the drum, estimating laundry weight according to a q-axis current value in the vector control during an accelerating period.

Abstract: A laser apparatus includes: one or more semiconductor lasers emitting one or more laser beams; an optical fiber; an optical condensing system which makes the one or more laser beams enter the optical fiber from a light-entrance end of the optical fiber; and a package which fixedly contains the optical condensing system and the one or more semiconductor lasers, and fixedly holds the optical fiber in such a manner that the light-entrance end faces the optical condensing system. The one or more semiconductor lasers are directly or indirectly fixed to the package with solder, and the one or more optical components are directly or indirectly fixed to the package with a thin layer of adhesive having a thickness of less than or equal to 1 micrometer, and preferably a thickness within a range of 0.2 micrometers to 1 micrometer after being dried.

Abstract: A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ so that a laser beam is emitted from the solid-state laser crystal or the optical fiber, or incident light of the fiber laser amplifier is amplified, by one of the transitions from 5S2 to 5I7, from 5S2 to 5I8, from 4G5/2 to 6H5/2, from 4G5/2 to 6H7/2, from 4F3/2 to 6H11/2, from 5D0 to 7F2, from 4F9/2 to 6H13/2, from 4F9/2 to 6H11/2, from 4S3/2 to 4I15/2, from 2H9/2 to 4I13/2, and from 5D4 to 7F5. The above solid-state laser crystal or optical fiber is excited with a GaN-based compound laser diode.

Abstract: A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ so that a laser beam is emitted from the solid-state laser crystal or the optical fiber, or incident light of the fiber laser amplifier is amplified, by one of the transitions from 5S2 to 5I7, from 5S2 to 5I8, from 4G5/2 to 6H5/2, from 4G5/2 to 6H7/2, from 4F3/2 to 6H11/2, from 5D0 to 7F2, from 4F9/2 to 6H13/2, from 4F9/2 to 6H11/2, from 4S3/2 to 4I15/2, from 2H9/2 to 4I13/2, and from 5D4 to 7F5. The above solid-state laser crystal or optical fiber is excited with a GaN-based compound laser diode.

Abstract: A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ so that a laser beam is emitted from the solid-state laser crystal or the optical fiber, or incident light of the fiber laser amplifier is amplified, by one of the transitions from 5S2 to 5I7, from 5S2 to 5I8, from 4G5/2 to 6H5/2, from 4G5/2 to 6H7/2, from 4F3/2 to 6H11/2, from 5D0 to 7F2, from 4F9/2 to 6H13/2, from 4F9/2 to 6H11/2, from 4S3/2 to 4I15/2, from 2H9/2 to 4I13/2, and from 5D4 to 7F5. The above solid-state laser-crystal or optical fiber is excited with a GaN-based compound laser diode.

Abstract: In a method for stabilizing an optical output of a semiconductor laser: the semiconductor laser is heated with a heater when the semiconductor laser is not in operation; and the heating of the semiconductor laser is stopped, or the amount of heat supplied to the semiconductor laser is lowered, almost simultaneously with startup of the semiconductor laser.

Abstract: A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ so that a laser beam is emitted from the solid-state laser crystal or the optical fiber, or incident light of the fiber laser amplifier is amplified, by one of the transitions from 5S2 to 5I7, from 5S2 to 5I8, from 4G5/2 to 6H5/2, from 4G5/2 to 6H7/2, from 4F3/2 to 6H11/2, from 5D0 to 7F2, from 4F9/2 to 6H13/2, from 4F9/2 to 6H11/2, from 4S3/2 to 4I15/2, from 2H9/2 to 4I13/2, and from 5D4 to 7F5. The above solid-state laser crystal or optical fiber is excited with a GaN-based compound laser diode.

Abstract: A solid-state laser crystal constituting a laser-diode-excited solid-state laser apparatus or an optical fiber constituting a fiber laser apparatus or fiber laser amplifier is doped with one of Ho3+, Sm3+, Eu3+, Dy3+, Er3+, and Tb3+ so that a laser beam is emitted from the solid-state laser crystal or the optical fiber, or incident light of the fiber laser amplifier is amplified, by one of the transitions from 5S2 to 5I7, from 5S2 to 5I8, from 4G5/2 to 6H5/2, from 4G5/2 to 6H7/2, from 4F3/2 to 6H11/2, from 5D0 to 7F2, from 4F9/2 to 6H13/2, from 4F9/2 to 6H11/2, from 4S3/2 to 4I15/2, from 2H9/2 to 4I13/2, and from 5D4 to 7F5. The above solid-state laser crystal or optical fiber is excited with a GaN-based compound laser diode.

Abstract: A tracing method in which tracing is performed by moving a spatial optical modulation device in a predetermined scanning direction relative to a tracing surface is provided. The spatial optical modulation device includes multitudes of tracing elements for modulating inputted light according to control signals transferred in accordance with tracing information. The method allows the spatial optical modulation device to perform the modulation rapidly to reduce the tracing time. The special modulation device is divided into a plurality of blocks A to D, and the control signals for each of the blocks A to D are transferred to the blocks in parallel.

Abstract: (Problem to be solved) To provide a laser beam synthesizing apparatus which is small in size and high in output power. (Means for solving the problem) A convergent angle transforming optical system 30 is disposed further upstream of the upstream-most position Pa in the positions where the optical axes of beam bundles La, Lb, Lc . . . which are radiated from a plurality of semiconductor lasers 11A, 11B, 112C . . . and converged in the fast axis view by a converging/dispersion lens 120 intersect each other in the fast axis view, and the whole beam bundle made up of the beam bundles La, Lb, Lc . . . passed through the converging/dispersion lens 120 is converged in the fast axis view by the convergent angle transforming optical system 30 so that the angle of convergence of the whole beam bundle is made smaller in the fast axis view, and introduced into the core 41 of an optical fiber 40.

Abstract: In a tracing method in which tracing is performed by moving a plurality of tracing heads, each including a spatial optical modulation device and an optics system, in a predetermined direction relative to a tracing surface, changes in the relative positional relationship of the tracing heads arising from changes in the environmental temperature are minimized. A plurality of spatial optical modulation devices 34a, 34b are provided in a single tracing head 30, and the light modulated by the plurality of spatial optical modulation devices 34a, 34b is focused on a tracing surface 12a using common optics systems 36, 37 and 38 to reduce the number of the heads 30.

Abstract: In a laser module comprising a hermetically sealed container having inside a semiconductor laser device whose emission wavelength is 350˜450 nm, generation of organic volatile gas is suppressed in the container and life of the module is prolonged. In a laser module comprising a hermetically sealed container having inside a semiconductor laser device whose emission wavelength is 350˜450 nm and whose life is 5500 hours or more, optical components whose organic volatile gas generation measured by GC/MS is 10 ?g/g or less at 150° C. are positioned in the container. In addition, as an organic adhesive to fix the optical components such as a collimating lens is used an organic adhesive whose organic volatile gas generation measured by GC/MS is 300 ?g/g or less at 15° C.