Patents by Inventor Takyuki Nonami

Takyuki Nonami 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).

  • Small electronic apparatus
    Patent number: 4922527
    Abstract: A small electronic apparatus has a plurality of keys for inputting telephone numbers of communication destination, and when each key is depressed, confirmation sound is generated by a sound generating means. The apparatus is provided with structure for generating signals in combination of signals of multiple frequencies and for supplying it to the sound generating means, thereby the composite signal becomes the input frequency in which the sound generating means indicates good output charactieristics, and when the sound generating means generates sound, distinction of each key can be performed.
    Type: Grant
    Filed: February 7, 1989
    Date of Patent: May 1, 1990
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Takyuki Nonami