H04B 2210/256
At the repeater, i.e. repeater compensation
Official title: at the repeater, i.e. repeater compensation
H04B2210/256 (At the repeater, i.e. repeater compensation) appears on 69 US grants and 49 published applications in this corpus.
Search patents in H04B- Granted patents
- 69
- Published applications
- 49
- Assignees
- 30
- Inventors
- 107
- Latest grant
- 17 Mar 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
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| 1995 | 0 | 0 |
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| 1999 | 4 | 0 |
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| 2001 | 6 | 1 |
| 2002 | 7 | 9 |
| 2003 | 8 | 9 |
| 2004 | 9 | 8 |
| 2005 | 6 | 2 |
| 2006 | 5 | 7 |
| 2007 | 3 | 3 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- RF steganography based on photonics17 Mar 2026US 12,580,656 B2University of Georgia Research Foundation, Inc.
- Method for determining power compensation value of optical signal and related apparatus3 Jun 2025US 12,323,187 B2Huawei Technologies Co., Ltd.
- Optical remodulator that remodulates modulated optical signal and optical remodulation method30 Jan 2018US 9,882,642 B2Fujitsu Limited
- Wavelength path switching method, optical communication system, optical communication device, optical repeater, and network management device10 Nov 2015US 9,185,474 B2Fujitsu Limited
- Wavelength division multiplexing system, method and device for its residual dispersion compensation11 Nov 2014US 8,886,050 B2Zte Corporation
- Rf steganography based on photonics7 Mar 2024US 2024/0080101 A1University of Georgia Research Foundation, Inc.
- Method for Determining Power Compensation Value of Optical Signal and Related Apparatus17 Aug 2023US 2023/0261751 A1Huawei Technologies Co., Ltd.
- Equalizer, repeater and communication system23 Aug 2018US 2018/0241472 A1NEC Corporation
- Optical remodulator that remodulates modulated optical signal and optical remodulation method13 Apr 2017US 2017/0104535 A1Fujitsu Limited
- Wavelength path switching method, optical communication system, optical communication device, optical relay device, and network management device28 Aug 2014US 2014/0241719 A1Fujitsu Limited
Most cited
By later US patents
- Method and apparatus for monitoring the momental wavelength of light, and an optical amplifier and an optical communication system which incorporate the method and apparatus to adjust gain tilt71US 5,818,629 AFujitsu Limited · 1998
- Optical amplifier having an improved noise figure55US 6,178,038 B1Ciena Corporation · 2001
- Optical fiber amplifier and dispersion compensating fiber module for optical fiber amplifier53US 6,342,965 B12002
- WDM system equalization with EDFA optical amplifiers52US 6,323,994 B1Nortel Networks Limited · 2001
- Cable system incorporating highly linear optical modulator36US 5,031,235 AHoechst Celanese Corporation · 1991