Patents by Inventor Teiji Aoki

Teiji Aoki 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).

  • Audio-visual cartridge and player
    Patent number: 4037951
    Abstract: A film cartridge having a film to be projected, a magnetic tape with a sound signal and film feeding signals, a housing for accommodating therein the film and tape separately therein, a reflector for projecting light passing the film and a locking mechanism for locking the film when it is not driven.A cartridge autoslide or player for the film cartridge mentioned as above having a housing with an opening for receiving the cartridge, a light source for projecting light on to the reflector of the film cartridge, an optical device for projecting the light passed through the film onto a screen, a film driving mechanism, a tape driving device and an unlocking mechanism for automatically unlocking the film locking mechanism when the cartridge is inserted into the autoslide.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: July 26, 1977
    Inventor: Teiji Aoki