Optical signal transmission device and electronic apparatus using same
US-2017346571-A1 · Nov 30, 2017 · US
Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components
Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04B10/6166 |
| Official title | {Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components} |
| Display label | Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components |
| Total patents | 243 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 23 |
| 2017 | 17 |
| 2018 | 23 |
| 2019 | 28 |
| 2020 | 31 |
| 2021 | 22 |
| 2022 | 27 |
| 2023 | 21 |
| 2024 | 12 |
| 2025 | 13 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical 90-degree hybrid circuit and optical receiver using same
US-9800349-B2 · Oct 24, 2017 · US
Systems and methods for identification and demodulation of complex signal formats
US-9794092-B1 · Oct 17, 2017 · US
Polarisation-independent coherent optical receiver
US-9755759-B2 · Sep 5, 2017 · US
Method and device for estimation of chromatic dispersion in optical coherent communication
US-9729232-B2 · Aug 8, 2017 · US
Polarization division multiplexing optical communication reception device, polarization division multiplexing optical communication system, and polarization division multiplexing optical communication method
US-9722697-B2 · Aug 1, 2017 · US
Polarization tracking using signal tone information while keeping least mean squares frequency domain equalization
US-9716564-B2 · Jul 25, 2017 · US
Techniques for blind equalization of high-order quadrature amplitude modulation signals
US-9692548-B2 · Jun 27, 2017 · US
Techniques for receiving dft spreading modulation signals
US-2017180055-A1 · Jun 22, 2017 · US
Optical transmitter, optical communication system, and optical communication method
US-9608732-B2 · Mar 28, 2017 · US
Symbol timing estimation for coherent polarization multiplex optical receivers
US-9584250-B2 · Feb 28, 2017 · US
Optical transmission method and optical transmission system
US-2017041067-A1 · Feb 9, 2017 · US
Polarization demultiplexing of optical signals
US-2017033873-A1 · Feb 2, 2017 · US
Optical communication based on polarization dependent coherent optical Nyquist frequency division multiplexing
US-9559784-B2 · Jan 31, 2017 · US
Electro-optical implementation of an optical spectrum inverter
US-9544064-B2 · Jan 10, 2017 · US
Polarization mode dispersion (PMD) tolerant optical signaling
US-9520952-B2 · Dec 13, 2016 · US
System and methods for adaptive equalization for optical modulation formats
US-9515742-B2 · Dec 6, 2016 · US
Receiver, transmission system, method for receiving polarization multiplexed optical signal, and non-transitory computer readable medium storing receiver control program
US-9515743-B2 · Dec 6, 2016 · US
Signal processing apparatus and signal processing method
US-9485033-B2 · Nov 1, 2016 · US
Polarization multiplexing optical transceiver
US-9467245-B2 · Oct 11, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04B10/6166?
- CPC H04B10/6166 is the Cooperative Patent Classification code for “Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components.”
- How many patents are filed under CPC H04B10/6166 (Polarisation demultiplexing, tracking or alignment of orthogonal polarisation components)?
- Our database includes 243 publications tagged with this CPC code.
- Is patent activity under CPC H04B10/6166 growing?
- Publication counts under this code: 12 in 2024 vs 13 in 2025 (latest complete years).