Electromagnetic Transmission TRIZ Cases
- OSNR Measurement via Polarimeter Bandwidth Overlap
Bandwidth overlap enables a polarimeter to measure degree of polarization, resolving dual-polarization channel noise distinction accuracy.
- Optical Transmission Path Monitoring Using Time-Synchronized Wavelength Sharing
Time control coordinates alternating transmission windows so both stations use identical wavelength bands without interference, reducing monitoring latency.
- MZ Modulator Bias Control via Dither Superposition
A Mach-Zehnder modulator circuit superposes a dither signal on the DC bias voltage during driving amplitude control to simplify feedback architecture.
- Optical Shutter for Modulated Signal Detection
An optical shutter shifts high-speed modulated signals to lower frequencies for low-frequency detector observation.
- In-Service OSNR Monitoring via Optical Tap and Delay-Line Interferometer
An optical tap extracts a signal portion for an interferometer to measure noise levels without disrupting the main transmission path.
- Differential Group Delay Measurement in Optical Fiber Links
A polarization controller rotates the optical signal state to align axes for precise delay measurement.
- Optical Modulator FPC Attenuation for RF Signal Reflection
FPC wire patterns incorporate radio frequency attenuation portions to absorb electromagnetic energy and stabilize signal propagation.
- Dual-Frequency Optical Pump Rayleigh Backscattering Measurement
Dual-frequency optical pump injection eliminates polarization fading and extends sensing range for accurate physical quantity measurement.
- Dual Ring Resonator Modulator for Low-Loss Coherent Transmission
Dual ring resonator modulator segments phase control across two tunable rings to eliminate nonlinear transitions and lower insertion losses in coherent systems.
- Optical Line Monitoring Signal Distinction via Pulse Width
A monitoring device transmits optical signals with distinct pulse widths and amplitudes to separate bidirectional data streams.
- Dynamic Mask Setting for Optical Signal Processing Units
A reception unit selectively outputs anomaly notifications based on dynamic mask settings applied to optical signal processing units.
- Optical Transmission Measurement Device Using Frequency-Modulated CW Light
A measurement device generates frequency-modulated continuous wave light to calculate optical transmission characteristics based on average power values.
- Integrated EA Modulator Laser Wavelength Tuning
An integrated electroabsorption modulator laser tunes oscillation wavelength via temperature control.
- RRU Optical Interface Self-Adaptation for Network Topology
A Radio Remote Unit self-adapts optical interface roles using phase-locked clock signals to enable dynamic network reconfiguration.
- Optical Performance Monitor Using Tunable Micro Ring Resonator
Tunable micro ring resonators filter multiplexed optical signals, reducing device complexity and cost while maintaining measurement precision.
- Pluggable ONU Transceiver Module with Arrayed I/O Video Contacts
A pluggable ONU transceiver module integrates RF video and I/O contacts into a single electrical lead array for direct receptacle connection.
- Differential Brillouin Scattering Detection for Fiber Sensing
A differential detection system separates amplified and attenuated optical bands to enhance signal amplitude in distributed fiber sensing.
- Optical LNB Fast Position-Adjusting via IF Extraction
An optical LNB outputs intermediate frequency signals directly through a coaxial cable for satellite dish alignment.
- Wavelength Tunable Light Source With Normalized Ratio Control
A wavelength monitor circuit uses three photo detectors to calculate normalized photocurrent ratios for precise laser control.
- Optical Transmission Route Identification via Delay Measurement
A management device identifies optical transmission routes by comparing measured delay times against pre-registered route delay information.