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Expired Canadian patentCanada

Method and apparatus for sending notification about broadcast service in a mobile broadcast system

CA 2594479 C · Owner: Samsung Electronics Co. Ltd. · Inventors: Hwang, Sung-Oh; Park, Joon-Goo; Kim, Eun-Jung

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method and apparatus for informing a plurality of terminals receiving the same Mobile Broadcast (BCAST) service of an upcoming event such as a BCAST service change in a BCAST system are provided. When receiving a notice of a notification event related to a BCAST service or an Service Guide (SG) a , BCAST Subscription Management (SM) including a Notification Generation , Function (NTG) creates a notification message about the notification event and sends it to a BCAST Service Distribution/Adaptation (SD/A). The BCAST SD/A sends the notification message to one terminal or a group of terminals through a Broadcast Distribution System (BDS) or an interaction network.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed January 25, 2006 and granted October 23, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 25, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 25, 2006
GrantedOctober 23, 2012
Term endedJanuary 25, 2026
Patent numberCA 2594479 C
Classification (IPC)H04H60/25 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 25, 2006Patent grantedOct 23, 2012Term endedJan 25, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.