Search system, search device and method, and input device and method
CA 2281266 C · Owner: Matsuoka, Akiko · Inventors: Deguchi, Yuichiro; Matsuoka, Akiko; Ando, Naotaka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To enable necessary search even if an accurate keyword is not known during a searching operation of a content broadcasted. A play list comprising the names of music pieces broadcasted from a broadcast station and time information is accumulated in DB1. Broadcast station information and place information which are registered by a user and a user ID are accumulated in DB2. When the user likes a music piece broadcasted from the broadcast station upon pushing the button , of a book marker at that place the time information at that , time is stored in a memory. The time information stored in the book marker and the user ID are supplied to a search engine through a gateway device. In the …
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 August 24, 1999 and granted March 29, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 24, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 24, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.