Patents by Inventor Antti-Pentti Vainio

Antti-Pentti Vainio 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).

  • Ciphering as a part of the multicast concept
    Publication number: 20050021945
    Abstract: The invention proposes a method for transmitting a message to a plurality of user entities in a network by using a multicast service, comprising the steps of encrypting a multicast message by using ciphering, and sending the encrypted multicast message to the plurality of user entities simultaneously. The invention also proposes a corresponding multicast service control device and a corresponding user entity.
    Type: Application
    Filed: June 28, 2002
    Publication date: January 27, 2005
    Inventors: Valtteri Niemi, Antti-Pentti Vainio, Sinikka Sarkkinen, Niina Karhuluoma, Jan Kall
  • Ciphering as a part of the multicast concept
    Publication number: 20050015583
    Abstract: The invention proposes a method for transmitting a message to a plurality of user entities in a network by using a multicast service, comprising the steps of encrypting a multicast message by using ciphering, and sending the encrypted multicast message to the plurality of user entities simultaneously. The invention also proposes a corresponding multicast service control device and a corresponding user entity.
    Type: Application
    Filed: August 14, 2002
    Publication date: January 20, 2005
    Inventors: Sinikka Sarkkinen, Kimmo Kettunen, Niina Karhuluoma, Antti-pentti Vainio, Valtteri Niemi, Jan Kall