Patents by Inventor Masaru Uya

Masaru Uya 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: 4168492
    Abstract: A temperature-compensated antilogarithmic converter has a temperature-sensitive signal generator for generating a temperature dependent signal which varies in proportion to absolute temperature; a multiplying means for mixing and converting the temperature dependent signal and an input signal into a product signal; and a non-temperature compensated antilogarithmic amplifier for converting the product signal into a non-temperature compensated antilogarithm of the product signal, wherein by placing the temperature-sensitive element of the temperature-sensitive signal generator and the antilogarithmic element of the antilogarithmic amplifier at the same temperature, the dependance of the antilogarithmic amplifier is temperature compensated by the temperature dependent signal. Thereby, an output converted signal the voltage or current of which is stable with respect to temperature variation can be generated.
    Type: Grant
    Filed: May 10, 1977
    Date of Patent: September 18, 1979
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Masaru Uya