Patents by Inventor Yosikazu Tomida

Yosikazu Tomida 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).

  • FM multiplex broadcasting and receiving system
    Patent number: 5497372
    Abstract: An FM multiplex broadcasting and receiving system has an FM multiplex broadcast apparatus and an FM multiplex receiving apparatus. The FM multiplex broadcast apparatus has a reproducing device for reproducing, from a recording medium, an audio signal and character data associated with the audio signal recorded in the recording medium. The FM multiplex broadcast apparatus also includes a multiplex device and a frequency modulation device. The multiplex device multiplexes the audio signal with additional information such as the character data to generate a multiplex signal. The frequency modulation device frequency modulates a carrier with the multiplex signal to provide an FM multiplex broadcasting signal. The FM multiplexing receiving apparatus has a frequency demodulating device for frequency demodulating the FM multiplex broadcast signal to provide an audio signal and an additional information data signal, a displaying device displaying the additional information data signal.
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: March 5, 1996
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Mitsuo Nankoh, Akio Inoue, Hitoshi Yokomizo, Yosikazu Tomida, Tohru Kawabata