Narrow band transmission system and method
CA 1103587 A · Owner: Miller, Herman P. Iii · Inventors: Miller, Herman P. Iii
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
System and method utilizing the temporal separation and amplitude differences of signals having high and low frequency components for transmitting the signals in a bandwidth corresponding to one/half of the frequency range present in the signals. One of the components is continuously translated to the frequency range of the second component with no switching of the first component, and the translated first component is combined with the untranslated second component with no switching of either components to provide an output signal consisting of the translated first component and the untranslated second component. The levels of the components are adjusted in such manner that the components …
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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 June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
- 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.