Circuit arrangements for receivers of routing digits

Follow

Industry

CPC
H04Q3/04

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

HELECTRICITY H04Electric communication H04QSELECTING H04Q3/00Selecting arrangements

Current Industry

H04Q3/04Circuit arrangements for receivers of routing digits

Industries

Patents Grantslast 30 patents

Information Patent Grant
3370272
- Patent number 3,370,272
- Issue date Feb 20, 1968
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR ROUTING TELEPHONE CONNECTIONS USING SHORT COD...
- Publication number 20110222680
- Publication date Sep 15, 2011
- Intelligent Network Application Protocol Ltd.
- David Rawet
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for providing telecommunication relay services
- Publication number 20050232169
- Publication date Oct 20, 2005
- NXi Communications, Inc.
- Thomas J. McLaughlin
- H04 - ELECTRIC COMMUNICATION TECHNIQUE