Antenna orientation adjusting device for earth station
CA 1287399 C · Owner: Yoshihara, Masashi · Inventors: Yoshihara, Masashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for adjusting the orientation of an antenna for an earth station. A received signal coming in through the antenna is delivered from an outdoor unit to a demodulator of an indoor unit to be demodulated thereby. In the indoor unit a converter, receives an automatic gain controlled voltage signal from the demodulator and converts it into a digital signal and a, controller converts the digital signal into a predetermined control signal to feed it to the outdoor unit over the cable. In the outdoor unit, a display responsive to the control signal indicates a particular level which corresponds to the automatic gain controlled voltage. A person, therefore can adjust the antenna, to an …
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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 August 6, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 2008.
- 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.