Apparatus and method for a data transmission apparatus to recognize whether or not a remote data transmission apparatus has an error control function
CA 1313400 C · Owner: Oki Electric Industry Co. Ltd. · Inventors: Takahashi, Chusei; Etoh, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a data transmission apparatus capable of data transmissions either with error control and/or without error control. The data transmission apparatus is operable such that a remote transmission apparatus recognizes whether or not the data transmission apparatus effects data transmission with the use of error control based upon an intermittent carrier sent from the data transmission apparatus. Additionally the, data transmission apparatus recognizes based upon the, existence of the interruption of a carrier signal sent from a remote data transmission apparatus whether or not, the remote data transmission apparatus has an error control function.
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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 February 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2010.
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Timeline
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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.