Patents by Inventor Ronald T. Miyahira

Ronald T. Miyahira 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).

  • Wireless optical communication system utilizing a single optical carrier frequency
    Patent number: 5121243
    Abstract: A wireless optical short-range communication system adapted for use as an intercom system. The system can be used in fast food restaurants and similar commercial institutions. The communication system includes a base station to interconnect via optical communication a group of substantially similar physically spaced-apart, remote units. Each one of the remote units and the base units includes an optical emitter to transmit an optical message-carrying beam to the base station, and an optical receptor to receive an optical message-carrying beam from the base station. The base station includes a receptor for receiving the optical beam transmitted by the optical emitters of all of the remote units, and an optical emitter to relay the received optical beam to the optical receptors of all the remote units.
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: June 9, 1992
    Assignee: HM Electronics
    Inventors: Ronald T. Miyahira, Kenneth Fasen
  • Wireless optical communication system
    Patent number: 4882770
    Abstract: A wireless optical short-range communication system adapted for use as an intercom system. The system can be used in fast food restaurants and similar commercial institutions. The communication system includes a base station to interconnect via optical communication a group of substantially similar physically spaced-apart, remote units. Each one of the remote units and the base units includes an optical emitter to transmit an optical message-carrying beam to the base station, and an optical receptor to receive an optical message-carrying beam from the base station. The base station includes a receptor for receiving the optical beam transmitted by the optical emitters of all of the remote units, and an optical emitter to relay the received optical beam to the optical receptors of all the remote units.
    Type: Grant
    Filed: December 14, 1987
    Date of Patent: November 21, 1989
    Assignee: H. M. Electronics, Inc.
    Inventors: Ronald T. Miyahira, Kenneth Fasen