Service and entertainment system
CA 1316253 C · Owner: Toyoshima, Masakatsu · Inventors: Toyoshima, Masakatsu; Tagawa, Koichi; Matsuzaki, Atsushi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A service and entertainment system for transmitting a plurality of video signals, audio signals and television game software signals from a central transmitting apparatus to each of a plurality of terminal units, which may be mounted at respective passenger seats in a passenger vehicle such as aircraft or the like, or at respective seats in a stadium a, theater, or the like. The plurality of video signals audio signals and television game software signals are frequency-multiplexed and transmitted through a single signal transmitting means, such as a leaky cable so, that desired signals can be selected at each terminal unit.
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
- Granted April 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 13, 2010.
- 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.