Patents by Inventor Lim Pang-Boey

Lim Pang-Boey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20030090969
    Abstract: An optical information recording device for recording information utilizing holography comprises a recording medium moving means for moving a recording medium, a follow-up control circuit for controlling an irradiation position, and a signal converting means for obtaining a reproduction signal from an address servo-control area including a light source for radiating an information beam and a reference beam onto the recording medium. The follow-up control circuit is composed of a binary-coding means for binary-coding the reproduction signal and a follow-up signal circuit, and detects the travel amount of the irradiation position moving means and generates, according to the travel amount detected and for a specific time during which the irradiation position of the information beam and the reference beam follows, an irradiation position control signal for controlling an irradiation position moving in one information recording area through an output terminal of a gain control amplifier.
    Type: Application
    Filed: November 8, 2002
    Publication date: May 15, 2003
    Applicant: Minebea Co., Ltd.
    Inventors: Kozo Matsumoto, Hideki Kato, Hideyoshi Horimai, Masaharu Kinoshita, Lim Pang-Boey