Abstract: A vehicular headlamp wherein aiming adjustment of two reflectors can be conducted accurately regardless of the positional relation between aiming screws operating in conjunction with each other. The headlamp includes first and second reflectors mounted in a lamp chamber defined by a lamp body opening at its front and a lens covering the front opening of the lamp body, the reflectors each being tiltable by turning of an aiming screw of a corresponding aiming mechanism that supports the corresponding reflector in a tiltable manner relative to the lamp body. A belt mechanism rotationally couples the two aiming screws for allowing the first aiming screw for tilting the first reflector and the second aiming screw for tilting the second reflector to be turned in conjunction with each other.

Abstract: A pickup truck bed cover that includes a top member and a bottom member wherein either the top member or the bottom member or both are partially or wholly translucent, and wherein the top member is disposed upon the bottom member forming a space between the top member and the bottom member. The pickup truck bed cover also includes a light source disposed within the space between the top member and the bottom member, whereby the light source emits light to illuminate the translucent portion of the top member or bottom member.

Abstract: In a method of manufacturing a planar buried heterojunction laser a semiconductor structure is etched to delimit a laser stripe upstanding on a confinement layer. Lateral layers surround the laser stripe to constitute the planar buried heterojunction laser. They are formed by a non-selective growth method not only at the sides of said stripe but also on top of said stripe to create a parasitic projection. These layers and the projection are subsequently covered with a contact localizing layer. The projection is then removed to form a contact window in the contact localizing layer for localizing an electrical contact on top of the laser stripe. The invention finds a particular application in the manufacture of lasers for fiber optic telecommunication systems.

Abstract: A flickering ornamental device includes a combination of a fundamental unit and a locket structure wherein the fundamental unit is composed of a mounting seat and a PC board, having a flickering circuit and a lamp unit electrically disposed therein for effecting intermittent flickering operations therewith; while said locket structure is composed of a case frame, which has a variable outer appearance adapted for ornamental purposes, a screen member with letters or figures captioned thereon, a reflecting plate and a base member provided in conjunction with the mounting seat and the PC board; whereby, when the flickering circuit is energized, intermittent flickering of the letters or figures will be effected in the locket structure.