H04J 3/18
Time-division multiplex systems: using frequency compression and subsequent expansion of the individual
Official title: using frequency compression and subsequent expansion of the individual signals
H04J3/18 (Time-division multiplex systems: using frequency compression and subsequent expansion of the individual) appears on 49 US grants and 3 published applications in this corpus.
Search patents in H04J- Granted patents
- 49
- Published applications
- 3
- Assignees
- 31
- Inventors
- 70
- Latest grant
- 1 May 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Network switch for transmitting data according to an auto-negotiated data rate1 May 2018US 9,961,006 B1Marvell International Ltd.
- Systems and methods for transmitting data according to an auto-negotiated data rate4 Apr 2017US 9,614,776 B1Marvell International Ltd.
- Relocating context information in header compression23 Aug 2016US RE46,125 E1Core Wireless Licensing S. á.r. l.
- Systems and methods for operating according to an auto-negotiated data rate in a network switch2 Aug 2016US 9,407,562 B1Marvell International Ltd.
- Multi-rate media independent interface over a physical coding sublayer11 Nov 2014US 8,885,664 B1Marvell International Ltd.
- Buffer expansion and contraction over successive intervals for network devices8 Sep 2011US 2011/0216785 A1Cisco Technology, Inc.
- Synchronization of historical data without retransmission29 Mar 2007US 2007/0070999 A1
- Relocating context information in header compression11 Jul 2002US 2002/0091860 A1Nokia Mobile Phones Ltd.
Most cited
By later US patents
- Mixed mode compression for data transmission172US 4,890,282 ANetwork Equipment Technologies, Inc. · 1989
- Precise multiplexed transmission and reception of analog and digital data through a narrow-band channel72US 4,864,566 ACycomm Corporation · 1989
- Relocating context information in header compression53US 7,290,063 B2Nokia Corporation · 2007
- CDMA transmission system45US 5,619,491 AU. S. Philips Corporation · 1997
- Time compression multiplexing of video signals40US 4,300,161 ABell Telephone Laboratories, Incorporated · 1981