H04Q 2213/13291
Frequency division multiplexing, fdm
Official title: Frequency division multiplexing, FDM
H04Q2213/13291 (Frequency division multiplexing, fdm) appears on 47 US grants and 23 published applications in this corpus.
Search patents in H04Q- Granted patents
- 47
- Published applications
- 23
- Assignees
- 29
- Inventors
- 105
- Latest grant
- 10 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 9 |
| 2003 | 2 | 2 |
| 2004 | 2 | 0 |
| 2005 | 2 | 0 |
| 2006 | 7 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Selective switching of frequency multiplexed microwave signals using cascading multi-path interferometric josephson switches with nonoverlapping bandwidths10 Mar 2020US 10,586,166 B2International Business Machines Corporation
- Selective switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths16 Apr 2019US 10,262,275 B1International Business Machines Corporation
- Frequency division duplex wireless communication apparatus and method25 Apr 2017US 9,635,443 B2Samsung Electronics Co., Ltd.
- Switching for a MIMO-OFDM based flexible rate intra-data center network13 Oct 2015US 9,161,107 B2NEC Laboratories America, Inc.
- Frame structure for fast wireless communication system and apparatus for fast wireless communication using the frame10 Dec 2013US 8,605,802 B2Electronics and Telecommunications Research Institute
- Selective switching of frequency multiplexed microwave signals using cascading multi-path interferometric josephson switches with nonoverlapping bandwidths6 Jun 2019US 2019/0171964 A1International Business Machines Corporation
- Frequency division duplex wireless communication apparatus and method13 Aug 2015US 2015/0230009 A1Samsung Electronics Co., Ltd.
- Switching for a MIMO-OFDM Based Flexible Rate Intra-Data Center Network31 Jul 2014US 2014/0212135 A1NEC Laboratories America, Inc.
- Semi-persistent scheduling method and apparatus based on statistically multiplexing in time and frequency resources11 Nov 2010US 2010/0284364 A1
- Frame structure for fast wireless communication system and apparatus for fast wireless communication using the frame19 Aug 2010US 2010/0208832 A1Electronic and Telecommunications Research Institute
Most cited
By later US patents
- PSTN architecture for video-on-demand services963US 5,247,347 ABell Atlantic Network Services, Inc. · 1993
- Video-on-demand services using public switched telephone network900US 5,410,343 ABell Atlantic Network Services, Inc. · 1995
- Method and system for accessing multimedia data over public switched telephone network392US 5,802,283 ABell Atlantic Network Services, Inc. · 1998
- Variable rate and variable mode transmission system381US 5,812,786 ABell Atlantic Network Services, Inc. · 1998
- Method and system for accessing multimedia data over public switched telephone network264US 5,528,281 ABell Atlantic Network Services, Inc. · 1996