Patents by Inventor Naoyo Takata

Naoyo Takata 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).

  • Patent number: 5168155
    Abstract: A measuring apparatus includes a flash tube for emitting flash light to a target in a first short period and a second short period, a detector for detecting amounts of light from the target in the flash light of the first short period and the flash light of the second short period, a receiver for receiving the flash light irrespective of the target to detect each reference light amount, an evaluator for evaluating the flash light according to the reference light amounts to generate a compensation signal for a characteristic of the flash light with respect to a characteristic of an ideal light source, and a calculator for calculating a characteristic value of the target under ideal light source according to the target light amount and the compensation signal.
    Type: Grant
    Filed: December 21, 1990
    Date of Patent: December 1, 1992
    Assignee: Minolta Camera Co., Ltd.
    Inventors: Jiro Arima, Naoyo Takata