H04L 27/2071
In which the data are represented by the carrier phase
Official title: {in which the data are represented by the carrier phase, e.g. systems with differential coding}
H04L27/2071 (In which the data are represented by the carrier phase) appears on 283 US grants and 162 published applications in this corpus.
Search patents in H04L- Granted patents
- 283
- Published applications
- 162
- Assignees
- 146
- Inventors
- 526
- Latest grant
- 9 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 13 | 0 |
| 2001 | 12 | 2 |
| 2002 | 10 | 5 |
| 2003 | 4 | 5 |
| 2004 | 2 | 5 |
| 2005 | 2 | 7 |
| 2006 | 8 | 7 |
| 2007 | 4 | 13 |
| 2008 | 8 | 13 |
| 2009 | 8 | 9 |
| 2010 | 3 | 7 |
| 2011 | 11 | 6 |
| 2012 | 16 | 12 |
| 2013 | 12 | 10 |
| 2014 | 16 | 11 |
| 2015 | 13 | 5 |
| 2016 | 9 | 7 |
| 2017 | 5 | 5 |
| 2018 | 3 | 2 |
| 2019 | 4 | 6 |
| 2020 | 6 | 6 |
| 2021 | 6 | 9 |
| 2022 | 4 | 0 |
| 2023 | 2 | 3 |
| 2024 | 6 | 1 |
| 2025 | 4 | 2 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Digitally augmented VHF ATC communications9 Sep 2025US 12,413,460 B2Rockwell Collins, Inc.
- Bidirectional data transmission over isolation medium2 Sep 2025US 12,407,551 B2Texas Instruments Incorporated
- Event-driven transmission method and device22 Apr 2025US 12,283,166 B2Stichting IMEC Nederland
- Selection of modulation and coding schemes for control information multiplexed with data4 Feb 2025US 12,218,749 B2QUALCOMM Incorporated
- Method and transmitter for constant envelope phase modulation and demodulation15 Oct 2024US 12,119,967 B2Nanjing Zgmicro Company Limited
- High throughput communication system for rail applications at 44MHz14 May 2026US 2026/0135742 A1Meteorcomm LLC
- Backscattering signal transmission and reception using 2 k-psk modulation and/or multiple access techniques5 Mar 2026US 2026/0067143 A1
- Signal transfer systems, devices and methods12 Feb 2026US 2026/0046039 A1
- Demodulation method of dpsk signals, demodulation system, and communication device thereof1 Jan 2026US 2026/0005903 A1Jadard Technology Inc.
- Bidirectional data transmission over isolation medium25 Dec 2025US 2025/0392501 A1
Most cited
By later US patents
- Method and apparatus for multiple access between transceivers in wireless communications using OFDM spread spectrum691US 5,282,222 A1994
- Interactive television and data transmission system366US 4,750,036 ARadio Telcom & Technology, Inc. · 1988
- Interactive television and data transmission system314US 5,177,604 ARadio Telcom & Technology, Inc. · 1993
- Method and system for block ARQ with reselection of FEC coding and/or modulation194US 6,208,663 B1Telefonaktiebolaget LM Ericsson (publ) · 2001
- Power amplification using a direct-upconverting quadrature mixer topology174US 6,307,894 B2Conexant Systems, Inc. · 2001