Matsushita Electric Industrial Co., Ltd.

Nobuo Jikuya

Tsuyoshi Kakuta

Fuminobu Furukawa

Kazuhisa Ide

Yoshinobu Soeda

Junichi Mutoh

Youichi Maehara

Hideru Goto

Minoru Nagata

An actuator device, an optical disk device and an information playback device comprising: an objective lens for focusing a light on a recording and/or playback face of a recording medium; a lens holder for holding the objective lens; a suspension for elastically supporting the lens holder; and an actuator base for supporting the suspension. The lens holder has a portion on the opposite side in the optical axis of the objective lens with respect to the actuator base.

Actuator device, optical disk device, and information playback device

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.

Disc drive apparatus of slot loading type

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Chikushino, Japan

Nobuo Jikuya