Wireless transmission method, and wireless transmitter and wireless receiver
CA 2640577 C · Owner: Fujitsu Limited · Inventors: Tsutsui, Masafumi; Seki, Hiroyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wireless transmitter (1) controls the number of transmission beams to be formed for transmitting a data stream depending on the number of data streams to be transmitted and a wireless receiver (2) selectively receives any one or more of the transmission beam from the transmission beams. In this manner, by changing the number of transmission beams (the original number of beams selectable on the receiving side) to be formed depending on the number of transmitting data streams, high throughput characteristics by a low interbeam correlation at the time of the multistream transmission and a large directional gain at the time of a single stream may be achieved.
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 2, 2006 and granted March 21, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 2, 2026.
- 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.