H04Q 2213/174
Data transmission
H04Q2213/174 (Data transmission) appears on 29 US grants and 0 published applications in this corpus.
Search patents in H04Q- Granted patents
- 29
- Published applications
- 0
- Assignees
- 16
- Inventors
- 59
- Latest grant
- 18 Aug 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- ISDN adapter card for a computer18 Aug 1998US 5,796,958 AELSA, Corp.
- Video conversation/monitoring system having a remote monitoring function28 Apr 1998US 5,745,160 AHitachi, Ltd.
- Communication apparatus receiving information from portable information medium30 Dec 1997US 5,703,936 ACanon Kabushiki Kaisha
- Terminal adapter capable of reducing a memory capacity of a buffer memory8 Jul 1997US 5,646,959 ANEC Corporation
- Circuit arrangement for integration of EDP systems in the utilization of telephone systems20 May 1997US 5,631,953 ACSB-System Software -Entwicklung & Unternehmungsberatung GmbH
No published applications in this class yet.
Most cited
By later US patents
- Simultaneous voice and data system using the existing two-wire inter-face157US 5,214,650 AAG Communication Systems Corporation · 1993
- Technique for dynamically changing an ISDN connection during a host session130US 4,996,685 ABell Communications Research, Inc. · 1991
- Information display provided to calling party125US 5,608,788 ALucent Technologies Inc. · 1997
- System and method for performing interlocution at a plurality of terminals connected to communication network121US 5,280,583 AHitachi, Ltd. · 1994
- Audio and video telecommunication system with remote monitoring function and remote device control function56US 5,585,839 AHitachi, Ltd. · 1996