Transit vehicle wireless transmission broadcast system
CA 2502786 A1 · Owner: Lane, David E. · Inventors: Lane, David E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present transit wireless broadcast system wirelessly broadcasts multimedia content to passengers traveling in transit vehicles (10). The multimedia content stored on a storage device (12) is retrieved (110) converted (112) to , a predetermined wireless frequency and the broadcast (114) to the passengers. The wirelessly transmitted multimedia content may be received by devices (22- 24) and (32-34) within the transit vehicle (10) for delivery of the multimedia content to the passengers. The multimedia content may be prerecorded content or may be wireless received (150) at the transit vehicle converted (152), and , stored (154) on a storage device (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 February 25, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 25, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 25, 2025.
- 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.