Patent Yard Sign in
Expired Canadian patentCanada

Apparatus and method for synchronizing additional data and base data

CA 2778889 C · Owner: Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. · Inventors: Geyersberger, Stefan; Hellmuth, Oliver; Herre, Juergen

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

The invention relates to a method for adding additional data for example, multi-channel expansion data to base data, for example, conventional stereo data. Said method consists of preparing (10) a test finger print of test data which is related to a test moment in time of the test data. The test data is identical to the additional data or the base data or parametrically dependent on the additional data or the base data. Reference moment in time information which is dependent on a reference moment in time in the reference data which is the conventional stereo data can be determined (11) by using the test finger print. Subsequently the additional data to the base data is manipulated (12) by …

Read the whole patent

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 September 23, 2005 and granted September 19, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 2025.
  • 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.
FiledSeptember 23, 2005
GrantedSeptember 19, 2017
Term endedSeptember 23, 2025
Patent numberCA 2778889 C
Classification (IPC)G11B27/10 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 23, 2005Patent grantedSep 19, 2017Term endedSep 23, 2025

Sources & verification

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