H04Q 2213/24
Conference circuit
H04Q2213/24 (Conference circuit) appears on 6 US grants and 4 published applications in this corpus.
Search patents in H04Q- Granted patents
- 6
- Published applications
- 4
- Assignees
- 4
- Inventors
- 12
- Latest grant
- 27 Mar 2012
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Conference bridge which detects control information embedded in audio information to prioritize operations27 Mar 2012US 8,144,854 B2Polycom, Inc.
- Speakerphone and conference bridge which receive and provide participant monitoring information24 Jan 2012US 8,102,984 B2Polycom, Inc.
- Speakerphone transmitting URL information to a remote device4 Jan 2011US 7,864,938 B2Polycom, Inc.
- Speakerphone establishing and using a second connection of graphics information22 Jun 2010US 7,742,588 B2Polycom, Inc.
- ISDN terminal adapter with teleconference provision5 Mar 1991US 4,998,243 ARacal Data Communications Inc.
- Speakerphone and conference bridge which receive and provide participant monitoring information29 Sep 2005US 2005/0213733 A1Polycom, Inc.
- Conference bridge which detects control information embedded in audio information to prioritize operations29 Sep 2005US 2005/0213734 A1Polycom, Inc.
- Speakerphone transmitting URL information to a remote device29 Sep 2005US 2005/0213735 A1Polycom, Inc.
- Speakerphone establishing and using a second connection of graphics information29 Sep 2005US 2005/0213736 A1Polycom, Inc.
Most cited
By later US patents
- ISDN terminal adapter with teleconference provision79US 4,998,243 ARacal Data Communications Inc. · 1991
- Speakerphone establishing and using a second connection of graphics information16US 7,742,588 B2Polycom, Inc. · 2010
- Conference bridge which detects control information embedded in audio information to prioritize operations16US 8,144,854 B2Polycom, Inc. · 2012
- Speakerphone transmitting URL information to a remote device15US 7,864,938 B2Polycom, Inc. · 2011
- Message signaling arrangement between a switching system and user terminals14US 4,741,026 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988