Electrodynamic ultrasonic transformer
CA 1182203 A · Owner: Nukem G.M.B.H. · Inventors: Huschelrath, Gerhard; Laudenbach, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an electrodynamic ultrasonic transformer having at least one exciting coil and one receiving coil for nondestructive material testing by means of ultrasonics. In order to reduce the dead times and to remove or, respectively, keep as little as possible negative influences occurring during the measuring of different test piece material and at distance variations without adversely affecting the signal/ noise ratio it is proposed, that those parts of the exciting coil and/or receiving coil designed for current conducting be made of resistance material which is suitable for structural elements embodying electric resistors and which material will not, essentially obstruct the current …
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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 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2002.
- 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.