Method and system for wireless transmission
CA 2579955 C · Owner: Sony Corporation · Inventors: Unger, Robert Allan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Multimedia from a source (12, 110) can be wirelessly transmitted in an infrared system to a display (44, 150). To support rapid reads of data written into a slave (60) at the display (44, 150) by a master (46) at the source (12 110) in accordance with 12C protocol, a master simulator (54) on the display side continually polls the slave (60) for changes and maintains a shadow , memory in a slave simulator (48) at the source side current so that reads , from the master (46) may be immediately executed from the shadow memory in the slave simulator (48) without transitting the wireless link (52).
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 October 13, 2005 and granted September 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 13, 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.
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.