Abstract: A wiring board of the present invention has a terminal section and a wiring section connected to the terminal section. The terminal section is configured so as to have a plurality of long connection terminals placed at predetermined intervals along a direction orthogonal to a direction in which the wiring board is to be inserted; and short connection terminals arranged between adjacent long connection terminals so as to be located behind the respective long connection terminals with respect to the direction of insertion. At least one adjacent pair consisting of a long connection terminal and a short connection terminal is short-circuited, and the length of the thus-short-circuited short connection terminal is made shorter than non-short-circuit short connection terminals.

Abstract: An optical disk device includes an optical pick-up module including a rotating portion rotating an optical disk; a carriage mounting at least a light source and being provided movably within the optical pick-up module; and a cover having an opening formed thereon, a light being radiated from the light source through the opening toward the outside of the cover; and a tray supporting the optical pick-up module. The tray includes an optical disk attachment region portion opposed to the optical disk and an outside portion provided on an outside of the optical disk attachment region portion. The outside portion has a ledge along its portion adjacent to the circular perimeter of the optical disk.

Abstract: A wiring board of the present invention has a terminal section and a wiring section connected to the terminal section. The terminal section is configured so as to have a plurality of long connection terminals placed at predetermined intervals along a direction orthogonal to a direction in which the wiring board is to be inserted; and short connection terminals arranged between adjacent long connection terminals so as to be located behind the respective long connection terminals with respect to the direction of insertion. At least one adjacent pair consisting of a long connection terminal and a short connection terminal is short-circuited, and the length of the thus-short-circuited short connection terminal is made shorter than non-short-circuit short connection terminals.

Abstract: It is an optical disk apparatus which is equipped with a cover, a tray which is disposed in such a manner that it can be inserted into and pulled out from the cover, a spindle motor which is disposed on the tray and rotates an optical disk, and a carriage which is held on the tray in a movable manner and on which an optical device, which carries out at least one of recording and reproduction to an optical disk, is mounted and which comes close to and comes free from the spindle-motor and, on a surface of the cover, which faces the carriage, at least one of a concave portion or a convex portion, which is of a nearly circular shape nearly concentrically with a center of the cover or of a polygonal shape nearly concentrically with a center of the cover, is disposed.

Abstract: An optical pick-up module includes rotating means, a carriage mounting at least a light source and various optical members and disposed movably, and a cover having a first opening formed thereon, a tray having a second opening and having the optical pick-up module attached thereto in order to expose a part of the optical pick-up module form the second opening, and a housing for holding the tray to freely appear, and a third opening is provided on a part of the optical disk attachment region outside portion of the tray which is opposed to the first opening.

Abstract: The invention provides a disc drive apparatus which is suitable for making the apparatus compact, light and thin and make it possible to automatically mount and discharge the disc. The disc drive apparatus has pick-up means and transfer means, and the transfer means has medium driving means, synchronous driving means and positioning means which is brought into contact with an outer peripheral edge of the disc. Accordingly, the disc can be transferred in a direction of a disc surface and can be positioned by the positioning means.

Abstract: An optical pickup for supporting lens holder tube for holding the objective lens converging a laser beam on an optical disc through linear elastic members supports the lens holder tube a plurality of linear elastic members bulged outwardly and arranged so that the bulged sections are opposite to each other around the objective lens.

Abstract: An optical pickup for supporting lens holder tube for holding the objective lens converging a laser beam on an optical disc through linear elastic members supports the lens holder tube a plurality of linear elastic members bulged outwardly and arranged so that the bulged sections are opposite to each other around the objective lens.

Abstract: An optical pickup for supporting lens holder tube for holding the objective lens converging a laser beam on an optical disc through linear elastic members supports the lens holder tube a plurality of linear elastic members bulged outwardly and arranged so that the bulged sections are opposite to each other around the objective lens.

Abstract: There is disclosed an optical disk unit. Optical parts, including a laser unit and objective, are integrally mounted on a bobbin, and focusing coils and tracking and feed coils are mounted on the bobbin. The bobbin is resiliently supported, and is slidable along guide shafts extending radially of an optical disk loaded on the optical disk unit. The bobbin is moved by the focusing coils and the tracking and feed coils, thereby effecting a focusing drive, a tracking drive and a feed drive. With this construction, the optical disk unit can be compact in size, and light in weight.

Abstract: A position and orientation state pickup is designed to detect the position and orientation state of an endoscope inserted into a living body without any adverse effect on the living body, which is often observed in X-ray analysis. The position and orientation state pickup, generating an electro-magnetic field with frequency at least lower than the visible ray range toward the body from outside; detects influence of the endoscope inserted into the body on two-dimensional energy distribution of the electro-magnetic field generated toward the body; and show the position and orientation state of the endoscope from the detection results.