H04Q 2213/09
Subscriber related equipment
Official title: Subscriber related equipment; Analog terminal
H04Q2213/09 (Subscriber related equipment) appears on 31 US grants and 1 published applications in this corpus.
Search patents in H04Q- Granted patents
- 31
- Published applications
- 1
- Assignees
- 18
- Inventors
- 60
- Latest grant
- 19 Sep 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Facsimile system19 Sep 2006US 7,110,134 B2Canon Kabushiki Kaisha
- Facsimile system19 Aug 2003US 6,608,696 B1Canon Kabushiki Kaisha
- Facsimile system5 Dec 2000US 6,157,463 ACanon Kabushiki Kaisha
- ISDN-based high speed communication system3 Nov 1998US 5,832,240 A
- Communication system having switchably-coupled subscriber terminals30 Jun 1998US 5,774,539 AU. S. Philips Corporation
Most cited
By later US patents
- Apparatus for interfacing analog telephones and digital data terminals to an ISDN line309US 5,305,312 AAT&T Bell Laboratories · 1994
- Simultaneous voice and data system using the existing two-wire inter-face157US 5,214,650 AAG Communication Systems Corporation · 1993
- Advanced intelligent network access by customer premise equipment124US 5,526,413 ABell Atlantic Network Services, Inc. · 1996
- Wiring scheme and network adapter with digital and analog outputs to allow old pots coexistence with ISDN91US 5,448,635 AInternational Business Machines Corporation · 1995
- System and method for communicating with digital and analog devices via a single digital interface57US 5,483,530 AInternational Business Machines Corporation · 1996