Control signals

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H04Q2213/178

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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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H04Q2213/178Control signals

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Patents Grantslast 30 patents

Information Patent Grant
Digital communication device
- Patent number 5,818,870
- Issue date Oct 6, 1998
- Canon Kabushiki Kaisha
- Tatsuya Yaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bus line traffic control adapter apparatus
- Patent number 5,668,799
- Issue date Sep 16, 1997
- NEC Corporation
- Hiroyuki Nobesawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile terminal equipment having communication speed switch
- Patent number 5,477,340
- Issue date Dec 19, 1995
- Fujitsu Limited
- Kenichi Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
ISDN terminal system
- Patent number 5,309,442
- Issue date May 3, 1994
- Kabushiki Kaisha Toshiba
- Takashi Saeki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protocol selector and protocol selection method
- Patent number 5,142,528
- Issue date Aug 25, 1992
- Hitachi, Ltd.
- Atsushi Kobayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data terminal equipment and data transmission control method
- Patent number 5,012,470
- Issue date Apr 30, 1991
- Ricoh Company, Ltd.
- Toshifumi Shobu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents