Patents by Inventor Jouni Hietamäki

Jouni Hietamäki 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).

  • User interface
    Patent number: 7253802
    Abstract: An electronic input device has a flexible keyboard for receiving user input and a housing defining a space for accommodating the keyboard. The input device has a compacted state and an extended state. The keyboard adopts a compacted spatial configuration in the compacted state and adopts an extended spatial configuration in the second state. In the compacted state the keyboard is wound on a roll. The input device additionally has a retractable, flexible display having corresponding compacted and extended states so that both the keyboard and the display can be rolled in and out together.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: August 7, 2007
    Assignee: Nokia Mobile Phones, Ltd.
    Inventors: Teppo Hemiä, Jouni Hietamäki, Miikka Merilahti, Mirka Murtoniemi, Juha Nousiainen
  • Display frame buffer update method and device
    Patent number: 6909434
    Abstract: A method for updating an integrated display frame buffer of a display module in a mobile electronic device, comprising a local frame buffer and a processor, comprising the steps of transferring display information to said local frame buffer, updating said display frame buffer by transferring said display information from said local frame buffer to said display frame buffer, and displaying said display information on said display module. Furthermore, the invention comprises the additional steps of detecting changes of said display information stored in said local frame buffer, and updating said display frame buffer when a change of said display information in said local frame buffer is detected.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: June 21, 2005
    Assignee: Nokia Corporation
    Inventors: Janne Takala, Mikka Merilahti, Juha Heikkilā, Jouni Hietamäki, Jussi Kujanp{overscore (aa)}
  • User interface
    Patent number: 6873315
    Abstract: An electronic input device (MS) has a flexible keyboard (14) for receiving user input and a housing (10) defining a space for accommodating the keyboard. The input device has a compacted state and an extended state. The keyboard adopts a compacted spatial configuration in the compacted state and adopts an extended spatial configuration in the second state. In the compacted state the keyboard is wound on a roll. The input device additionally has a retractable, flexible display having corresponding compacted and extended states so that both the keyboard and the display can be rolled in and out together.
    Type: Grant
    Filed: December 5, 2000
    Date of Patent: March 29, 2005
    Assignee: Nokia Mobile Phones Ltd.
    Inventors: Teppo Hemiä, Jouni Hietamäki, Miikka Merilahti, Mirka Murtoniemi, Juha Nousiainen