Antenna Arrays TRIZ Cases
- All-Metal Vivaldi Antenna Element With Direct Coax Feed
An all-metal Vivaldi antenna element uses a direct coaxial feed to eliminate quarter-wave stubs.
- Dual Polar Antenna Array with Distinct Beamforming for Wireless Networks
Distinct beamforming arrangements on a single array resolve land area constraints by optimizing uplink capacity without impacting downlink performance.
- Waveguide Parasitic Groove Grating Lobe Suppression
A waveguide with a parasitic groove suppresses grating lobes, reducing false detections in automotive radar systems.
- RFID Tag Reading Rate via Position-Based Antenna Selection
An RFID system selects optimal antennas based on detected tag position and inclination angle to ensure efficient data reading.
- Modulated Slot Array for Microwave Imaging
Replacing bulky dipole antennas with a planar slot array resolves sensitivity and complexity trade-offs in microwave imaging systems.
- Metamaterial Radiating Element for Low Profile Antenna
Suspended metamaterial radiating elements interact with electromagnetic waves through electric and magnetic resonances.
- Distributed Hybrid Matrix Amplifier Beamforming Calibration
Segmenting the hybrid matrix amplifier reduces satellite weight while maintaining system performance through two-stage end-to-end calibration.
- Millimeter-wave antenna module with air dielectric gap
An antenna module replaces lossy ceramic substrates with an air gap created by solder balls, reducing signal loss while maintaining thermal management.
- Dual-Polarized Antenna Array for Wide Beam-Width
A dual-polarized antenna array achieves wide beam-width and high gain through in-phase feeding mechanisms.
- Liquid Crystal Phased-Array Antenna Phase Shifting
Dielectric tuning in a liquid crystal cavity adjusts the main lobe direction while reducing component count and power consumption.
- Multiband Circularly Polarized Antenna With Segmented High Impedance Surface
A spiral antenna uses a segmented high impedance surface ground plane to generate circular polarization across multiple frequency bands.
- Planar UWB Antenna With Decoupling Stubs For MIMO
A planar ultra-wideband antenna uses decoupling stubs to enhance port isolation and impedance matching for orthogonal polarization modes.
- Antenna Switching Stability via RSSI Thresholds
A wireless device uses a PIN diode switch and balun to manage antenna connections based on signal strength.
- Antenna Board Air Cavities Mitigate Millimeter Wave Losses
Air cavities in antenna boards mitigate millimeter wave losses from de-tuning and absorption, improving radiation efficiency.
- Polarizing Reflector with Elongated Metallic Strips
Elongated metallic strips connecting periodic patches tune differential phase shifts to stabilize axial ratio across wide angles.
- Data Control Apparatus Using Position Detection for Wireless Communication
A data control apparatus detects device positions on a surface to manage wireless communication modes.
- Phased Array Antenna Feeding Using Resonant Transmission Lines
Quarter-wavelength resonant transmission lines detect measuring signals to generate output signals, eliminating bulky RF switches and reducing apparatus size.
- Transparent Antenna Device with Light Transmitting Region
A transparent antenna device integrates a light transmitting region alongside circuit layout areas to maintain wireless signal functionality.