Funai Electric Company Ltd.

Suehiro Harada

Kenichi Fujita

Fumiaki Mori

Tatsuya Ito

A liquid crystal module includes a rear frame, a U-shaped cold cathode tube and a cold cathode tube support member. The U-shaped cold cathode tube has a first straight tube portion, a second straight tube portion and a curved end portion that connects the first and second straight tube portions. The cold cathode tube support member has a mating component and an engaging component. The mating component restricts movements of the first straight tube portion in first and second directions of the rear frame relative to the rear frame. The engaging component restricts a movement of the second straight tube portion in the first direction of the rear frame relative to the rear frame. The engaging component supports the second straight tube portion for movement in the second direction of the rear frame relative to the rear frame.

Liquid crystal module

A mirror fixing structure includes a substantially C-shaped flat plate disposed rearward to hold a half mirror, a single first leg provided rearward of the flat plate to extend downward and inserted between a rear surface of the half mirror and a rear wall of a mount recess, a pair of second right and left legs extended downward from a front of the flat plate and pressed against a front surface of the half mirror to fix the half mirror, and a pair of right and left arms extended forward from the front of the flat plate to a position, in which a total reflection mirror is set, and shaped such that front portions thereof are bent obliquely downward, tip ends thereof are bent in a manner to warp forward, and bent portions thereof are pushed against a front surface of the total reflection mirror.

Mirror fixing structure for optical pickup

A base of an optical pickup is provided with a bearing slidably supported by a guide shaft and an engagement portion guided by a guide rail. The bearing includes a pair of front and rear bearing elements. A concave portion and a pressing piece having a shape that enables forming die extraction in a direction orthogonal to the direction of the axis line are provided on at least one bearing element so as to be displaced.

Disk apparatus having optical pickup

A method for assembling an optical disk apparatus involves disposing first and second short-cutting terminals at different faces of a housing and in parallel with a laser diode of the apparatus. In a first state of assembling, the first short-cutting terminal is shorted by a solder applied thereon. Thereafter, the apparatus is inspected in a second state of assembling in which the solder is removed from the first short-cutting terminal. After inspection, the second short-cutting terminal is shorted by a solder applied thereon. Subsequently, the solder on the second short-cutting terminal is removed.

Optical pickup device

A pocketis formed in a bottom surfaceof a groove portionin such a manner as to oppose a rear surfaceof a half mirror, and an adhesive-injecting recessed passageextending from the pocketto an open end of the groove portionis formed in the bottom surfaceof the groove portion. Further, the bottom of the pocketis closed by a positioning basewhich is formed on the bottom surfaceof the groove portionto abut against the rear surfaceof the half mirror, and a pair of protrusionsare formed which extend from the open end of the groove portionto the positioning basealong both side edges of the adhesive-injecting recessed passage

Optical pickup for fixing a half mirror to a predetermined position

A plate with a photodiode PD is positioned with a slight interval with respect to a housing , a small amount of an ultraviolet curing adhesive is applied to four portions each located between a corner of either side edge of the plate and the housing , the ultraviolet curing adhesive is allowed to cure by application of ultraviolet rays thereto to temporarily fix the plate to the housing , an appropriate amount of a thermosetting adhesive is applied to two portions each located between a central portion of either side edge of the plate and the housing , and the thermosetting adhesive is allowed to cure by heating so as to finally fix the plate to the housing

Optical pickup and method of fixing a plate with an electronic component

In an optical pickup, an actuator base of an objective lens unit is attached to an end face of a housing by a reference bolt and two tilt adjusting bolts which are respectively inserted in through holes of the housing. A tapered conical spring is used which has one end portion whose outside diameter is set to be identical to or slightly smaller than the diameter of a bottom surface of a recessed portion and another end portion whose outside diameter is set to be identical to or slightly smaller than the diameter of a head of the reference bolt. The one end portion of the tapered conical spring is made to abut against the bottom surface of the recessed portion, while the other end portion of the tapered conical spring is made to abut against the head of the reference bolt.

Optical pickup

In a device for adjusting the tilt angle of an optical pickup by using a leaf spring and tilt-angle adjusting screws, an actuator is mounted on and supported by a spherical seat of an optical base . One portion of a base of the actuator is resiliently pressed by a leaf spring . Tilt-angle adjusting screws and are provided which are respectively screwed in two threaded holes and in the base . The direction of the resiliently pressing force imparted to the actuator by the leaf spring is tilted with respect to axes of the tilt-angle adjusting screws and . By forming the leaf spring into a substantially U-shaped configuration, the resiliently pressing force applied to the actuator is made uniform.

Growing community of inventors

Osaka, Japan

Suehiro Harada