H04B 10/63
Homodyne , i.e. coherent receivers where the local oscillator is locked in
Official title: Homodyne {, i.e. coherent receivers where the local oscillator is locked in frequency and phase to the carrier signal}
H04B10/63 (Homodyne , i.e. coherent receivers where the local oscillator is locked in) appears on 198 US grants and 191 published applications in this corpus.
Search patents in H04B- Granted patents
- 198
- Published applications
- 191
- Assignees
- 108
- Inventors
- 409
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 3 | 6 |
| 2008 | 5 | 3 |
| 2009 | 5 | 15 |
| 2010 | 7 | 10 |
| 2011 | 8 | 6 |
| 2012 | 7 | 7 |
| 2013 | 9 | 4 |
| 2014 | 3 | 7 |
| 2015 | 7 | 4 |
| 2016 | 8 | 9 |
| 2017 | 12 | 4 |
| 2018 | 5 | 10 |
| 2019 | 6 | 9 |
| 2020 | 9 | 14 |
| 2021 | 16 | 18 |
| 2022 | 13 | 13 |
| 2023 | 15 | 12 |
| 2024 | 11 | 9 |
| 2025 | 8 | 13 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Frequency comb-based analog coherent receiver for multi-wavelength optical links6 Oct 2026US 12,756,477 B2The Board of Trustees of the Leland Stanford Junior University
- Optical transmission method and apparatus22 Sep 2026US 12,744,600 B2Huawei Technologies Co., Ltd.
- Analog-digital conversion method and analog-digital converter21 Jul 2026US 12,689,445 B2NTT, Inc.
- Systems and methods for phase compensation16 Jun 2026US 12,659,041 B1Cable Television Laboratories, Inc.
- High speed removal of bias of a homodyne detector using a clone local oscillator2 Jun 2026US 12,647,187 B2UT-Battelle, LLC
- Optical balanced homodyne receiver9 Jul 2026US 2026/0197090 A1Imec Vzw
- Homodyne bidirectional optical transceiver9 Jul 2026US 2026/0197091 A1Lucidean, Inc.
- Photonic polarization controller and phase rotator for optical transceiver18 Jun 2026US 2026/0172120 A1NeoPhotonics Corporation
- Free space optics coherent receiver architecture using optical injection locking4 Jun 2026US 2026/0155894 A1General Dynamics Mission Systems, Inc.
- Optical communication device14 May 2026US 2026/0133385 A1FUJIFILM Corporation
Most cited
By later US patents
- Frequency agile transmitter and receiver architecture for DWDM systems65US 7,209,664 B1Nortel Networks Limited · 2007
- Optical Homodyne Receiver57US 5,007,106 AAT&T Bell Laboratories · 1991
- System and method for coherent detection of optical signals55US 8,437,645 B2Google Inc. · 2013
- Multi-channel fiber optic sensor system54US 4,649,529 AExxon Production Research Company · 1987
- Generation of an optical local-oscillator signal for a coherent-detection scheme51US 9,154,231 B2Alcatel Lucent · 2015