Signal generator
CA 1135830 A · Owner: N.V. Philips Gloeilampenfabrieken · Inventors: Dollinger, Friedrich; Schuster, Klaus; Schaumberger, Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A television test line signal generator comprising a read-only memory which is read under the control of a clocked counting circuit, memory outputs being connected via a clocked buffer store to a digital-toanalogue converter, which is followed by a signal filter. The information in the read-only memory is programmed versus signal distortions following thereafter.
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
- Granted November 16, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 16, 1999.
- 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.