Patents by Inventor Teruo Yajima

Teruo Yajima 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: 5541588
    Abstract: A control signal transmitting device is used for a control device, such as a position detecting device. The transmitting device includes a position detecting sensor, and a receiving device situated near the position detecting sensor. The position detecting sensor includes a sensing device, a radio wave transmitting device electrically connected to the sensing device, and a device for directing the radio wave in one direction. The radio wave transmitting device emits radio wave in a direction opposite the sensing device upon receiving a signal from the sensing device. The receiving device includes a radio wave receiving device disposed to face the radio wave transmitting device for receiving the radio wave transmitted from the transmitting device, and a shielding device for covering the receiving device to receive the radio wave from one direction.
    Type: Grant
    Filed: August 1, 1994
    Date of Patent: July 30, 1996
    Assignee: Metrol Co., Ltd.
    Inventors: Akira Matsuhashi, Masaaki Sato, Teruo Yajima