Patent Yard Sign in
Expired Canadian patentCanada

Mobile station and interface adapted for feature extraction from an imput media sample

CA 2561147 C · Owner: Vaananen, Mauri · Inventors: Kopra, Toni; Vaananen, Mauri; Makipaa, Mikko

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

A mobile station has a processor and a user input mechanism such as a button that is operable to cause the processor to extract at least one feature from a digital media sample. The feature, such as a spectral centroid is descriptive , of an identity of a content of the media sample. Preferably the same user , input that causes the feature extraction also causes a transmitter to establish a link and to send a message to a network address the message , having a plurality of extracted features from which the digital media sample may not be reconstructed. Where a reply message identifies a media file that matches the media sample, another user input at the same or a different button …

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 March 22, 2005 and granted February 11, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 22, 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.
FiledMarch 22, 2005
GrantedFebruary 11, 2014
Term endedMarch 22, 2025
Patent numberCA 2561147 C
Classification (IPC)H04W4/18 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMarch 22, 2005Patent grantedFeb 11, 2014Term endedMarch 22, 2025

Sources & verification

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