Patents by Inventor Keizo Inukai

Keizo Inukai 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).

  • Analog-to-digital converter having selectively and independently controllable sampling and conversion periods
    Patent number: 5260705
    Abstract: An analog-to-digital (A/D) converter has a simple arrangement and achieves an accurate high-speed A/D converting operation. The A/D converter comprises an analog data input unit (2), an A/D conversion circuit (3), a controller (4) for controlling the A/D conversion circuit (3), and a digital data output unit (100). The controller (4) includes a sampling time controller (5) and a bit conversion time controller (6).
    Type: Grant
    Filed: March 19, 1992
    Date of Patent: November 9, 1993
    Assignees: Fujitsu Limited, Fujitsu VLSI Limited
    Inventor: Keizo Inukai