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H04Q2213/173

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HELECTRICITY H04Electric communication H04QSELECTING H04Q2213/00Indexing scheme relating to selecting arrangements in general and for multiplex systems

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Patents Grantslast 30 patents

Information Patent Grant
Call waiting response status
- Patent number 6,577,722
- Issue date Jun 10, 2003
- Agere Systems Inc.
- Robert Alan Lippincott
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus providing improved information on the state...
- Patent number 5,648,971
- Issue date Jul 15, 1997
- Canon Kabushiki Kaisha
- Yukihiko Ogata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus for responding to calls to a different appa...
- Patent number 5,583,930
- Issue date Dec 10, 1996
- Canon Kabushiki Kaisha
- Yukihiko Ogata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus with improved sub-address recall
- Patent number 5,572,580
- Issue date Nov 5, 1996
- Canon Kabushiki Kaisha
- Yukihiko Ogata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents