H04Q 2213/1303
Pulse amplitude modulation, pam
Official title: Pulse amplitude modulation, PAM
H04Q2213/1303 (Pulse amplitude modulation, pam) appears on 4 US grants and 2 published applications in this corpus.
Search patents in H04Q- Granted patents
- 4
- Published applications
- 2
- Assignees
- 3
- Inventors
- 10
- Latest grant
- 19 Aug 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link19 Aug 2003US 6,608,840 B2Adtran, Inc.
- Use of modified line encoding and low signal-to-noise auto ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link21 May 2002US 6,393,029 B1Adtran, Inc.
- Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link7 Dec 1999US 5,999,542 AAdtran, Inc.
- Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link15 Sep 1998US 5,809,033 AAdtran, Inc.
- Method and apparatus for optical pulse sequence generation5 Jan 2023US 2023/0006760 A1University of Southampton
- Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link29 Aug 2002US 2002/0118702 A1Adtran, Inc.
Most cited
By later US patents
- Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link105US 5,809,033 AAdtran, Inc. · 1998
- Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link27US 5,999,542 AAdtran, Inc. · 1999
- Use of modified line encoding and low signal-to-noise auto ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link4US 6,393,029 B1Adtran, Inc. · 2002