Speed up of up-going transition of ttl or dtl circuits under high capacitive load
CA 1263716 C · Owner: Pritzlaff, Philip Edward, Jr. · Inventors: Culican, Edward Francis; Schettler, Helmut; Van Goor, Kenneth Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circuit for enhancing the ability of digital circuits to drive highly capacitive loads is disclosed. The circuit has particular utility when employed with logic circuits such as "TTL" (Transistor- Transistor Logic) and "DTL" (Diode-Transistor Logic).
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 December 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
- 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.