Broadband signal switching equipment
CA 1296796 C · Owner: Siemens Aktiengesellschaft · Inventors: Hofmann, Rudiger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a crosspoint matrix a plurality of column lines each, comprise two signal conductors connected to difference outputs of differential line drivers which are connected by way of switch element pairs of transistors to row lines. Each of the row lines, likewise, comprises two signal conductors. The two signal outputs of a differential amplifier, having a trigger behavior is connected to the two signal conductors of a respective row line. Each of the switch elements, fashioned with a switching transistor having this control electrode charged with a throughconnect or an inhibit signal and having its main electrode connected to the matrix output line respectively comprises a preswitch …
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 March 3, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 2009.
- 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.