H04L 7/043
Pseudo-noise [pn] codes variable during transmission
Official title: {Pseudo-noise [PN] codes variable during transmission (synchronisation of spread spectrum receivers H04B1/69)}
H04L7/043 (Pseudo-noise [pn] codes variable during transmission) appears on 213 US grants and 143 published applications in this corpus.
Search patents in H04L- Granted patents
- 213
- Published applications
- 143
- Assignees
- 124
- Inventors
- 358
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 3 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 3 | 2 |
| 2005 | 4 | 11 |
| 2006 | 5 | 6 |
| 2007 | 2 | 3 |
| 2008 | 8 | 6 |
| 2009 | 5 | 9 |
| 2010 | 3 | 6 |
| 2011 | 4 | 5 |
| 2012 | 13 | 10 |
| 2013 | 6 | 5 |
| 2014 | 9 | 7 |
| 2015 | 13 | 14 |
| 2016 | 12 | 5 |
| 2017 | 7 | 11 |
| 2018 | 10 | 9 |
| 2019 | 11 | 7 |
| 2020 | 11 | 1 |
| 2021 | 1 | 5 |
| 2022 | 3 | 4 |
| 2023 | 4 | 5 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Communication link initiation method and apparatus7 Apr 2026US 12,598,016 B2Shenzhen Yinwang Intelligent Technologies Co., Ltd.
- Apparatus and method for generating or receiving a synchronization header24 Mar 2026US 12,587,354 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Generating downlink frame and searching for cell27 May 2025US 12,316,438 B2Electronics and Telecommunications Research Institute
- System and method for sparse data synchronization and communication15 Apr 2025US 12,278,885 B2Heqa Security Ltd
- Calibrating a quadrature receive serial interface30 Apr 2024US 11,973,630 B1International Business Machines Corporation
- Communication Link Initiation Method and Apparatus16 Jul 2026US 2026/0205219 A1Yinwang Intelligent Technologies Co., Ltd.
- Quantum based system and method of multipoint communications19 Feb 2026US 2026/0052004 A1Heqa Security Ltd
- Generating downlink frame and searching for cell11 Sep 2025US 2025/0286620 A1Electronics and Telecommunications Research Institute
- A transmitter and a receiver14 Aug 2025US 2025/0260554 A1Data Conversion Systems Limited
- Generating downlink frame and searching for cell2 May 2024US 2024/0146409 A1Electronics and Telecommunications Research Institute
Most cited
By later US patents
- CDMA/TDMA spread-spectrum communications system and method172US 5,260,967 AInterDigital Technology Corporation · 1993
- Methods and systems for selection of unions of vector signaling codes for power and pin efficient chip-to-chip communication144US 9,077,386 B1Kandou Labs, S.A. · 2015
- Technique for acquiring timing and frequency synchronization for modem utilizing known (non-data) symbols as part of their normal transmitted data format131US 4,599,732 AHarris Corporation · 1986
- CDMA/TDMA spread-spectrum communications system and method129US 5,410,568 AInterDigital Technology Corporation · 1995
- Methods and systems for skew tolerance in and advanced detectors for vector signaling codes for chip-to-chip communication118US 9,300,503 B1Kandou Labs, S.A. · 2016