Patent application number | Description | Published |
20090027785 | POSITION DETECTING DEVICE CAPABLE OF IMPROVING DETECTION ACCURACY - A position detecting device includes an optical position detecting element and a position information portion which are disposed so as to be opposed to each other. The position information portion has a binary pattern where a high light efficient portion and a low light efficient portion are alternately repeated when the movable portion moves in a predetermined direction. The position detecting device includes a loose position detecting portion for detecting a loose position of the movable portion by counting a pulse signal obtained by the optical position detecting element, a close position detecting portion for detecting a close position of the movable portion by counting pulse number of driving pulses which are applied to an electromechanical transducer from a position where the loose position detection is carried out, and a combining arrangement for combining the loose position with the close position to calculate a current position of the movable portion. | 01-29-2009 |
20090268581 | OPTICAL PICK-UP DEVICE - An optical pickup in which constituting components are arranged so that a dead space can be reduced and aberrations can also be reduced at a low manufacturing cost is provided. In an outward path for projecting a laser beam onto a recording surface | 10-29-2009 |
20120081771 | OPTICAL SCANNING APPARATUS AND LASER POINTER - An optical scanning apparatus includes: a light source; a lens through which a light emitted from the light source transmits; a reflective member reflecting the light transmitting the lens; and a mirror configured to scan the light reflected by the reflective member. The light is projected in the same direction as an emitting direction of the light from said light source by causing said mirror to swing. The reflective member has a first reflective surface facing toward the light source and a second reflective surface facing toward a light exit surface from which the light exits from the optical scanning apparatus. The light source and the lens are arranged in a longitudinal direction of a case of the optical scanning apparatus. The mirror and the reflective member are arranged in a transverse direction of the case. | 04-05-2012 |
20120160557 | STRUCTURE FOR MINIMIZING DETERIORATION OF THERMAL AND MECHANICAL PROPERTIES OF ELECTRICAL COMPONENTS DUE TO ELEVATED TEMPERATURES - A structure including: a first part including an electrode pad in a predetermined area on a surface; a second part that is bonded to the first part using an adhesive; and a board, including a terminal pad, to which the second part is fixed, wherein the electrode pad and the terminal pad are ultrasonic-bonded, and the second part includes bosses on an area that overlaps the predetermined area in a bonding surface between the second part and the first part. | 06-28-2012 |
20130083378 | OPTICAL SCANNER APPARATUS AND OPTICAL SCANNER CONTROL APPARATUS - An optical scanner apparatus includes first and second torsion beams which support a mirror support portion supporting a mirror from both sides in an axial direction; first and second horizontal driving beams configured to include first and second horizontal driving sources, respectively, a connecting beam; a first piezo-electric sensor; first and second sensor interconnects connected to one of and the other of an upper electrode and a lower electrode of the first piezo-electric sensor, respectively, the first sensor interconnect and the second sensor interconnect being formed to extend toward the first horizontal driving beam and the second horizontal driving beam, respectively. | 04-04-2013 |
20130083379 | OPTICAL SCANNING DEVICE - An optical scanning device includes a mirror part including a mirror reflecting surface to reflect incident light, a pair of torsion bars configured to support the mirror part from both sides and configured to forma first axis around which to swing the mirror part by a torsional motion thereof so as to deflect the reflected light, and at least one stress alleviation area configured to alleviate a stress generated by the torsional motion of the torsion bars. The alleviation area is provided between an intersection of a second axis perpendicular to the first axis and passing through the center of the mirror reflecting surface and an edge of the mirror reflecting surface, and at least one of the torsion bars. | 04-04-2013 |
20150103386 | OPTICAL SCANNING DEVICE - An optical scanning device includes a mirror part including a mirror reflecting surface to reflect incident light, a pair of torsion bars configured to support the mirror part from both sides and configured to form a first axis around which to swing the mirror part by a torsional motion thereof so as to deflect the reflected light, and at least one stress alleviation area configured to alleviate a stress generated by the torsional motion of the torsion bars. The alleviation area is provided between an intersection of a second axis perpendicular to the first axis and passing through the center of the mirror reflecting surface and an edge of the mirror reflecting surface, and at least one of the torsion bars. | 04-16-2015 |
20150124304 | OPTICAL SCANNER APPARATUS AND OPTICAL SCANNER CONTROL APPARATUS - An optical scanner apparatus includes first and second torsion beams which support a mirror support portion supporting a mirror from both sides in an axial direction; first and second horizontal driving beams configured to include first and second horizontal driving sources, respectively, a connecting beam; a first piezo-electric sensor; first and second sensor interconnects connected to one of and the other of an upper electrode and a lower electrode of the first piezo-electric sensor, respectively, the first sensor interconnect and the second sensor interconnect being formed to extend toward the first horizontal driving beam and the second horizontal driving beam, respectively. | 05-07-2015 |