Patents by Inventor Erkki Veikkolainen

Erkki Veikkolainen 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: 5452354
    Abstract: The present invention relates to a method for generating the ringing tone of a phone and apparatus according to the method. A ringing tone generator (12)is controlled according to a ringing tone sequence by control circuitry (13), and subscriber identification information is stored in a fixed or a detachably connectable nonvolatile memory (10) of the phone. When the phone is switched on, the microprocessor (13) reads from a subscriber identification information memory (10) of the phone at least some of the subscriber identification information, calculates on the basis thereof the values for ringing tone parameters (1, . . . ,6) describing the ringing tone sequence, and stores them in a ringing tone parameter memory (11). When receiving a page to the phone, the control circuitry (13) reads from the ringing tone parameter memory (11) the values of the parameters (1, . . . , 6) describing the ringing tone sequence, generates a ringing tone sequence on the basis of the parameter values (1, . . .
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: September 19, 1995
    Assignee: Nokia Mobile Phones Ltd.
    Inventors: Tapio Kyronlahti, Heikki Rautila, Erkki Veikkolainen, Tommi Lunden