Patents by Inventor Hans Wachtmeister

Hans Wachtmeister 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).

  • Method for changing an operating mode of a mobile device
    Patent number: 9846790
    Abstract: A method for changing an operating mode of a mobile device is provided. According to the method, a request from the user of the mobile device to change from a first operating mode to a second operating mode is received. In response to the received request a credential is requested from the user. Next, the credential (RCK) is received from the user and validated. If the received credential (RCK) is valid, the second operating mode is set and an indication of the mobile device indicating that the second operating mode has been set is set. If the second operating mode has been set, a reset of the indication is prohibited.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: December 19, 2017
    Assignee: Sony Mobile Communications Inc.
    Inventors: Stefan Andersson, Hans Wachtmeister
  • Memory management apparatus and memory management method
    Patent number: 8706954
    Abstract: A terminal apparatus including a non-volatile memory for which writing is performed in units of blocks; and a control unit configured to perform a first method of managing bad blocks in the non-volatile memory with respect to blocks corresponding to an information management table in a file system of the non-volatile memory, and to perform a second method of managing bad blocks in the non-volatile memory with respect to blocks corresponding to user data in the file system.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: April 22, 2014
    Assignees: Sony Corporation, Sony Mobile Communications AB
    Inventors: Katsumi Aoyagi, Rutger Ljungqvist, Hans Wachtmeister, Haekan Palm, Kenji Takao, Masaya Takahashi, Yoshiyuki Hama, Yimin Li, Toshihisa Sanbommatsu, Tomohiro Ichikawa
  • METHOD FOR CHANGING AN OPERATING MODE OF A MOBILE DEVICE
    Publication number: 20120190338
    Abstract: A method for changing an operating mode of a mobile device is provided. According to the method, a request from the user of the mobile device to change from a first operating mode to a second operating mode is received. In response to the received request a credential is requested from the user. Next, the credential (RCK) is received from the user and validated. If the received credential (RCK) is valid, the second operating mode is set and an indication of the mobile device indicating that the second operating mode has been set is set. If the second operating mode has been set, a reset of the indication is prohibited.
    Type: Application
    Filed: December 17, 2010
    Publication date: July 26, 2012
    Applicant: SONY ERICSSON MOBILE COMMUNICATIONS AB
    Inventors: Stefan Andersson, Hans Wachtmeister
  • MEMORY MANAGEMENT APPARATUS AND MEMORY MANAGEMENT METHOD
    Publication number: 20120059979
    Abstract: A terminal apparatus including a non-volatile memory for which writing is performed in units of blocks; and a control unit configured to perform a first method of managing bad blocks in the non-volatile memory with respect to blocks corresponding to an information management table in a file system of the non-volatile memory, and to perform a second method of managing bad blocks in the non-volatile memory with respect to blocks corresponding to user data in the file system.
    Type: Application
    Filed: May 11, 2011
    Publication date: March 8, 2012
    Applicant: SONY ERICSSON MOBILE COMMUNICATIONS AB
    Inventors: Katsumi AOYAGI, Rutger Ljungqvist, Hans Wachtmeister, Haekan Palm, Kenji Takao, Masaya Takahashi, Yoshiyuki Hama, Yimin Li, Toshihisa Sanbommatsu, Tomohiro Ichikawa