Wireless mouse apparatus
CA 2247014 A1 · Owner: Hudson Soft Co. Ltd. · Inventors: Togashi, Shoichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wireless mouse apparatus comprises a wireless mouse a, transmitter and a receiver. Signals in response to the operation of ball and button of the wireless mouse are transmitted from the transmitter in the form of optical signal such as infrared ray. The signal transmitted from the transmitter is received by one of the wireless signal receiving units of the receiver that is protruded. The received signal is transferred to a personal computer which is connected with the wireless signal receiving unit through a signal cable. Thereby a wireless mouse apparatus which can be shared by a plurality of personal computers thus with less, burden of cost, is provided.
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 September 15, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 15, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 15, 2020.
- 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.