H03M 5/20
The pulses having more than three levels
Official title: the pulses having more than three levels
H03M5/20 (The pulses having more than three levels) appears on 109 US grants and 55 published applications in this corpus.
Search patents in H03M- Granted patents
- 109
- Published applications
- 55
- Assignees
- 54
- Inventors
- 164
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 15 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 3 |
| 2005 | 3 | 2 |
| 2006 | 5 | 3 |
| 2007 | 2 | 2 |
| 2008 | 3 | 1 |
| 2009 | 2 | 2 |
| 2010 | 3 | 3 |
| 2011 | 2 | 4 |
| 2012 | 4 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 5 |
| 2016 | 5 | 3 |
| 2017 | 4 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 0 |
| 2021 | 3 | 6 |
| 2022 | 2 | 4 |
| 2023 | 7 | 3 |
| 2024 | 3 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus, method and recording medium for receiving four-level pulse amplitude modulation (PAM-4) signal15 Jul 2025US 12,362,972 B2Foundation for Research and Business, Seoul National University of Science and Technology
- Error detection pin encoding scheme to avoid maximum transitions and further improve signal integrity on high speed graphic memory interfaces1 Jul 2025US 12,347,508 B2NVIDIA Corporation
- Systems and methods for transition encoding compatible PAM4 encoding13 May 2025US 12,301,347 B2Samsung Display Co., Ltd.
- Encoding and decoding apparatuses and methods for implementing multi-mode coding24 Dec 2024US 12,176,926 B2Samsung Electronics Co., Ltd.
- Digital isolator and digital signal transmission method10 Dec 2024US 12,166,607 B2Silergy Semiconductor Technology (Hangzhou) LTD
- Encoding and decoding apparatuses and methods for implementing multi-mode coding6 Mar 2025US 2025/0080135 A1Samsung Electronics Co., Ltd.
- Apparatus, method and recording medium for receiving four-level pulse amplitude modulation (pam-4) signal28 Nov 2024US 2024/0396771 A1Foundation for Research and Business, Seoul National University of Science and Technology
- Encoding and decoding apparatuses and methods for implementing multi-mode coding25 Jan 2024US 2024/0030935 A1Samsung Electronics Co., Ltd.
- Digital isolator and digital signal transmission method20 Jul 2023US 2023/0231745 A1Silergy Semiconductor Technology (Hangzhou) LTD
- Systems and methods for transition encoding compatible pam4 encoding16 Mar 2023US 2023/0081418 A1Samsung Display Co., Ltd.
Most cited
By later US patents
- Method and apparatus for receiving high speed signals with low latency243US 6,396,329 B1Rambus Inc. · 2002
- Coding method and apparatus using quaternary codes209US 5,331,320 AInternational Business Machines Corporation · 1994
- Integrated drivers for flat panel displays employing chalcogenide logic elements204US 5,694,054 AEnergy Conversion Devices, Inc. · 1997
- Techniques for multi-wire encoding with an embedded clock112US 8,649,460 B2Rambus Inc. · 2014
- Baseband encoding method and apparatus for increasing the transmission rate over a communication medium98US 5,856,980 AIntel Corporation · 1999