Canon Kabushiki Kaisha

Canon Denshi Kabushiki Kaisha

Tohru Tatsuno

Yasuyuki Tamura

Yasuo Nakamura

Osamu Koyama

Eiichi Fujii

Norio Hashimoto

Takayuki Aizawa

Hideo Nakajima

Masaharu Tsukada

Method and apparatus for recording information on an opto-magnetic recording medium by applying an A.C. magnetic field of a constant frequency to the opto-magnetic recording medium as a recording bias magnetic field and scanning the medium by a light beam modulated with a recording signal in synchronism with the A.C. magnetic field to record the information.

Method and apparatus for recording information on an opto-magnetic

An optical system driving arrangement includes an optical system driving body, a support shaft provided on the body, an optical system holding member movably supported by the support shaft, an optical system held by the optical system holding member for directing a light beam supplied from the body to an object to be irradiated, a drive device for moving the optical system holding member relative to the body and at least one constituent of an arrangement for detecting the position of the optical system held by the optical system holding member.

Optical system driving apparatus

Growing community of inventors

Fuchu, Japan

Tohru Tatsuno