Antenna Earthings TRIZ Cases

FSS, HIS, and anisotropic magneto-dielectric layers shrink UHF antennas while preserving bandwidth, efficiency, and radiation performance.

A bent compensation loop and ground gap help a compact 2.4 GHz antenna achieve more uniform radiation for WiFi, Bluetooth, and Zigbee.

A quarter-wave grounded feeder line forms a band-pass path that blocks noise propagation and protects high-frequency antenna IC operation.

Perpendicular slots and vias let a grid array antenna hold broadside fan beams with high gain and low side lobes across millimeter-wave bands.

A U-shaped metal cavity and shared ground plane replace coaxial feeding, cutting antenna phase-shifter thickness, weight, and assembly complexity.

Differential feeding with parasitic and radiating patches improves polarization purity and orthogonal-port isolation in scanned antenna arrays.

A tapered monopole with microstrip feed broadens UHF bandwidth in a compact antenna for partial discharge detection and localization.

Mixing 2N−1 types of 1-bit unit cells enables near N-bit beam steering while reducing control-circuit complexity, loss, and heat.

Parallel branch electrodes and a liquid crystal dielectric improve microwave phase shifting efficiency while reducing signal loss.

Differential feeding through separated radiator arm pairs widens bandwidth, stabilizes radiation patterns, and lowers cross-polarization in compact antennas.

A dimpled FPCB grounding path replaces taller springs, preserving antenna return current and wireless performance near integrated light modules.

Ground-layer cutouts reshape a patch antenna beam to add end-fire coverage under the radar while preserving boresight range.

Electromagnetically coupled ground regions create quarter-wave electrical length in less space, improving RF performance without extra components.

Bias-controlled film-bridge capacitance enables continuous RF phase adjustment, improving control precision without complex ferrite structures.

A slot-frame antenna with paired radiation elements preserves omnidirectional coverage and wideband gain in a compact wireless layout.

Reconfigurable hologram pixels and surface wave launchers enable low-loss transparent mm-wave antennas with two-dimensional beam steering.

A loop-shaped conductive structure helps a compact 2.4 GHz antenna achieve more uniform radiation with simpler manufacturing and stable orientation.

Slots, vias, and differential feeding excite TM4n+1.0 mode to keep mm-wave fan beams stable with high gain and low side lobes.

A compact wideband complementary antenna uses fractal sections and L-probe feeds to achieve aperture miniaturization.

An antenna element positions a radiator and counterpoise between imaginary planes to produce consistent horizontally polarized signals.

Segmented paraboloid reflectors define multiple focal points, enabling wide-angle electronic scanning while reducing phased array element count and complexity.

Annular radiators on a conductive tube suppress multipath interference to improve position determination accuracy.

A planar antenna with central feed and radiating arms generates stable omnidirectional radiation patterns.

A multi-feed antenna generates wide and directional radiation patterns through independent feeding ports.

Radiating slots in the ground platform boost low elevation gain, maintaining anti-jamming performance despite reduced antenna size.

A patch antenna uses capacitive coupling between feed pins and a resonant metal plate to maintain controlled impedance.

Isolation rings between radiating elements reduce bit error rates while maintaining omni-directional patterns.

A capacitive reflector frame couples to a printed circuit board ground plane without galvanic contact.

Switchable radiator elements on a PCB antenna adjust signal directionality via RF switches, resolving omnidirectional coverage limits.

A MIMO antenna device uses a central buffering sheet to share high-frequency signals and reduce physical size.

A high-gain conformal antenna uses a nested dielectric cavity to support TEM signals while maintaining a low profile.

Extending the ground plane via a slit antenna portion improves over-the-air performance without increasing circuit board surface area.

A non-cutoff frequency selective surface ground plane uses shallow corrugations to control surface wave phase for wideband signal reception.

Yagi-Uda end-fire antennas on an LCP substrate eliminate beamforming complexity while maintaining wide scan angles and low port correlation.

Cavity supported patch antenna minimizes substrate signal leakage while expanding bandwidth through three-dimensional resonant modes.

A tuned groundplane notch cancels mutual coupling currents to resolve electromagnetic interference between antennas.

A multi-band antenna uses a three-dimensional radiation structure to achieve wider bandwidth across frequency bands.

A dipole antenna array uses co-planar units with integrated baluns to support wide frequency operation.

Symmetrical choke sleeves on the ground plane suppress side lobes and prevent electromagnetic interference with nearby components.

Phase change material switches in a configurable antenna assembly enable wideband communication with a 6:1 bandwidth ratio and scan angles up to 60 degrees.

Excitation radiator feed provides electromagnetic coupling to reduce enclosure thickness and specific absorption rate.

A radiator-forming circuit uses a capacitive element to replace complex radiating elements.

Via-hole pad and shorting via-hole connect patch to ground unit, reducing antenna size while minimizing frequency transitions.

Bent monopole antennas resolve enclosure height constraints by arranging the radiating element parallel to the ground plane.