Simultaneous Aerial Operations TRIZ Cases
- Multi-band Antenna With Corrugated Cavity For Wide Axial Ratio Beamwidth
A multi-band antenna uses cross-dipole elements and a corrugated back cavity to generate circular polarization across L1, L2, and L5 GPS bands.
- MIMO Antenna Isolation via Spatial Filter Nulling
Spatial filter applies antenna weights to create null angles, preventing intermodulation distortion in wideband MIMO transceivers.
- Dual Antenna Microwave Resection Device With Choke
A dual antenna microwave device uses a dual-sided choke to limit electromagnetic field propagation between elements.
- Multi-band Base Station Antenna Scattering Suppression
Open slots on the low-band antenna guide high-frequency currents along dipole arms, reducing cross-band scattering without increasing device complexity or size.
- MIMO Antenna Dipole Axis Orientation for Low Correlation
Opposite-side antenna components with distinct dipole axes minimize signal correlation in compact devices below 1 GHz.
- Mobile Device Metal Housing Antenna Radiation Pattern Switch
Metal housing interference degrades antenna performance. A switch element adjusts radiation patterns and return loss to restore communication quality.
- Mobile Antenna Inductive Shorting for Wideband LTE GSM UMTS
A mobile communication antenna uses an inductive shorting metal portion to capacitively couple electromagnetic energy across multiple frequency bands.
- Double-Frequency Antenna With Folded Isolation Plates
Folded isolation plates block electric lines between antenna arrays, increasing isolation by −10 dB compared to metal sheets.
- Meandering Sensing Pad Resonant Frequency Avoidance
Meandering branches tune the sensing pad resonant frequency to avoid overlap with antenna operation bands, preventing RF interference and SAR violations.
- Patch Antenna with Closed-Curve Slot for Vertical Polarization
A patch antenna design featuring a closed-curve slot and parasitic slots to generate vertically-polarized radiation patterns.
- Planar UWB Antenna With Elliptical Curve And Curved Ground Plane
A planar antenna design uses an elliptical lower curve and a curved ground plane to shape radiation patterns.
- Fabric Antenna Knitted Grid for Garment Integration
Knitting conductive antenna yarn with non-conducting host yarn forms a flexible grid structure integrated into textile garments.
- Isolated Overlapping Grounds for Wireless Sensor Intrinsic Safety
Overlapping radio and antenna grounds in multiple layers reduce RF losses below 1 dB, preserving receiver sensitivity and battery life during zone compliance.
- Microwave Motion Sensor Reflector for Downward Detection
A microwave motion sensor reflector shapes side lobe energy downward to enhance detection beneath the device.
- Antenna Module With Feed Coupling Stub and Breaking Seam
Segmenting the metal side frame with a breaking seam creates antenna clearance without cutting the structure, preserving device robustness.