Patents by Inventor Yoshikazu Kawanaka

Yoshikazu Kawanaka 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: 4864550
    Abstract: A remote control handset for use with an audio system in which the audio system includes a tuner, a compact disk player an amplifier, speakers, etc. The handset also includes a display for displaying the information contents of the control signals. A cassette recorder also incorporated in the handset produces an output signal which is modulated on a special carrier and transmitted over a signal path to an antenna coupled to the tuner of the audio system in order to reproduce the recorded signals.
    Type: Grant
    Filed: June 28, 1988
    Date of Patent: September 5, 1989
    Assignee: U.S. Philips Corporation
    Inventor: Yoshikazu Kawanaka
  • Patent number: 4653037
    Abstract: A magazine has a main compartment in which disc-holders each provided with a record disc, are supported one above another. The disc-holders can slide into and out of the main compartment through an open side-wall of the magazine. The magazine can be raised and lowered in a record-disc changer to bring a selected disc-holder within the main compartment to a predetermined level at which the selected holder can slide out of the magazine and subsequently back into the magazine. The magazine includes an additional compartment located above the main compartment and separated therefrom by a separation wall. The additional compartment is open at the upper side so that an additional disc-holder can be loaded into the additional compartment from above. This additional disc-holder can also slide into and out of the additional compartment through the open side wall of the magazine. The same mechanism which slides the disc holders located in the main compartment operates on the disc holder in the additional compartment.
    Type: Grant
    Filed: October 5, 1984
    Date of Patent: March 24, 1987
    Assignee: U.S. Philips Corporation
    Inventors: Mitsuhisa Nakayama, Yoshikazu Kawanaka