Patents by Inventor Michiko Hirayama

Michiko Hirayama 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).

  • Infrared data communication apparatus and method
    Patent number: 6563619
    Abstract: An infrared data communication device which enables data transmission by infrared light, without provision of dedicated light projection/receiving windows and an infrared light emitting device or an infrared light detector on an outer packaging body of the device. An infrared light detector 19 is arranged on a circuit substrate 18 on an inside of a liquid crystal panel of a liquid crystal display 11, and then infrared data is received via the liquid crystal panel to convert electrically and send out to an infrared communicating portion. Also, a light emitting diode 15c, which informs a user of an incoming call by flashing, and an infrared light emitting device 15b are arranged on an inside of a photogenesis transparency component 15a of a lighting display portion 15, and the infrared data are emitted (transmitted) from the infrared light emitting device 15b via the photogenesis transparency component 15a.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: May 13, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Michiko Hirayama, Takao Monden