Patents by Inventor Chisato Ikeda

Chisato Ikeda 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).

  • Deflection yoke, a deflection device and a monochrome CRT display
    Patent number: 5072161
    Abstract: A deflection yoke for a single beam deflection comprises a pair of horizontal deflection coils, a pair of vertical deflection coils, a correction magnet, two sets of coil pairs connected in series with the horizontal deflection coils, a bias magnet and an auxiliary coil magnetically coupled to the coil pairs and supplied a vertical deflection current. A deflection device comprises the deflection yoke, a horizontal deflection circuit and a vertical deflection circuit. A monochrome CRT display comprises the deflection device, an video processing device and a monochrome CRT.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: December 10, 1991
    Assignee: Totoku Electric Co., Ltd.
    Inventors: Chisato Ikeda, Yoshitaka Tomisato, Yuji Kobayashi, Naohiro Kimura