Patents by Inventor Mats H. Martinsson

Mats H. Martinsson 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).

  • Device for data recording at photographic cameras
    Patent number: 4493543
    Abstract: The invention relates to a device for data recording at photographic cameras equipped with a separate film magazine. The device according to the invention is characterized in that it is designed as a separate unit (3), which can be attached detachably on the film magazine (1), and which comprises a microprocessor (8) for controlling predetermined information and a necessary power source (9) as well as optical means (5,13) for information transfer to the emulsion side of the film (1) while the film is being advanced.
    Type: Grant
    Filed: March 4, 1983
    Date of Patent: January 15, 1985
    Assignee: Victor Hasselblad Aktiebolag
    Inventors: Jan A. Lundberg, Goran T. L. Wallgren, Mats H. Martinsson