H04B 2210/516
Optical conversion of optical modulation formats
Official title: Optical conversion of optical modulation formats, e.g., from optical ASK to optical PSK
H04B2210/516 (Optical conversion of optical modulation formats) appears on 14 US grants and 14 published applications in this corpus.
Search patents in H04B- Granted patents
- 14
- Published applications
- 14
- Assignees
- 14
- Inventors
- 28
- Latest grant
- 21 Apr 2026
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|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 2 | 3 |
| 2022 | 3 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
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- Optical beamforming device using phased array antenna and operating method thereof9 Dec 2021US 2021/0385561 A1Electronics and Telecommunications Research Institute
- Method and system for sampling and denoising amplification of a signal22 Jul 2021US 2021/0226709 A1Institut National de la Recherche Scientifique (INRS)
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Most cited
By later US patents
- Active demodulation systems and methods for optical signals22US 10,313,022 B2Raytheon Company · 2019
- Chirped managed, wavelength multiplexed, directly modulated sources using an arrayed waveguide grating (AWG) as multi-wavelength discriminator13US 7,352,968 B2Finisar Corporation · 2008
- Linear FM chirp waveform for a LADAR transceiver4US 10,955,534 B2Raytheon Company · 2021
- Methods and apparatus for tracking moving objects using symmetric phase change detection3US 11,290,191 B2Raytheon Company · 2022
- Electro-optical apparatus having high-throughput electrical data links1US 11,006,193 B2Nokia Solutions and Networks Oy · 2021