Close-Range Type Systems TRIZ Cases

A sensor array and voltage-based receiver selection widen light reception angle, improve efficiency, and support multi-direction optical communication.

Etched-via microLEDs with quantum wells cut carrier lifetime to boost modulation speed for low-power chip-to-chip optical links.

Monolithic InGaN/GaN functional layers enable dual-band visible-light detection without filters, reducing signal loss and process cost.

Etched vias and a quantum-well recombination layer help microLEDs deliver fast, low-power short-distance optical data transfer.

Pre-mapped antenna pre-orientation helps a drone form Li-Fi links faster around obstructions, with Wi-Fi fallback for offline device data backup.

Magnetic and gravitational forces keep transmitter and receiver chips aligned across a pivoting lid and base, improving wireless link reliability and power use.

Ground relay nodes keep UAV control links active without satellites by switching LOS communication across control areas.

Vehicles use identified VLC lights and peer position messages to localize indoors within centimeters without external databases or Internet links.

Infrared data transfer, inductive charging, and magnetic alignment replace corroding contacts and avoid RF drop-out in portable electronics.

A Hopf-oscillator receiver locks to noisy VLC pulses with feedback control, cutting phase error and synchronization failures.

By embedding the light emitter and receiver in a rotatable component, this case expands optical signal angles while saving device space.

Selective transmitter zoning and presence detection cut OWC power and heat while preserving wide field coverage and high data rates.

Streetlight-mounted sensor nodes combine lighting control and network computing to expand urban coverage and support distributed tasks.

A modulated LED array, lens, and multi-pixel sensor authenticate nearby devices while reducing camera interception risk and improving data rate.

Asymmetric freeform lenslets concentrate light onto non-circular photodetectors, preserving SNR in thinner OWC receivers.

Gain is adjusted from both signal strength and data rate to prevent optical receiver saturation and keep point-to-point links at peak throughput.

Encoded Li-Fi light patterns let personal devices auto-configure for virtual meetings without manual setup or radio interference.

Modulated LEDs in vehicle trim send Li-Fi data at imperceptible frequencies, raising bandwidth beyond RF limits for fast vehicle signaling.

A lens array plus 1D element selection steers optical beams in two dimensions while avoiding the complexity of 2D addressing.

FSK-modulated indicator lights let smartphones read device data reliably through rolling-shutter cameras without added communication hardware.

High-intensity stadium lighting is modulated to carry encoded visible-light data, easing RF congestion while keeping reception line-of-sight.

Direct bus-to-optical interfacing removes RF down-conversion limits, enabling PCIe-compatible free-space links with higher data rates.

Small transverse MMI port offsets use the Goos-Hänchen effect to balance output power and improve optical transceiver performance.

Encoded light patterns let nearby personal devices auto-configure for virtual meetings without Bluetooth or Wi-Fi interference.

OFDM modulation, RF upconversion, and multi-antenna transmission turn LED lighting into a wireless control and data-sharing node.

Integrated light receiving and emission regions let a display substrate support two-way visible and infrared communication without electromagnetic interference.

Reflective trough surfaces redirect and combine modulated light rays onto a small photoreceiver, improving LiFi reception during movement or blockage.

Segmented VLC light and photoreceiver zones pair terminals by position, preserving confidentiality while allowing ergonomic movement.

Partial source information in VLC packets enables luminance control while helping the receiver restore data for more reliable decoding.

Immediate optical busy-signal retransmission helps hidden nodes detect channel occupancy earlier, cutting collisions and sensing latency.

Linear branch combinations across spatially separated LiFi transmitters help recover MIMO signals despite path-delay fading and cancellation.

Using organic photoelectric conversion and neural-network demodulation, this case improves optical signal bandwidth and cuts interference.

Adjustable polarizing filters raise signal intensity and separate nearby optical links to prevent interference and preserve transmission quality.

A processor steers an infrared module under a transparent cover plate to overcome tilt-limited field of view and maintain emission distance.

A cascaded AM/FM optical link enables indirect reflected transmission with lower interference and more predictable multichannel reception.

Infrared card programming with shielding and conveyor alignment enables secure, high-speed personal data loading with less ambient-light interference.

Fixed optical links between rack circuit boards raise bandwidth and cut power use through direct board-to-board light transmission.

A unified transmit, receive, control, and power architecture improves optical wireless link performance while cutting power use, bulk, and cost.

A sectorized photodetector receiver uses transmission gaps to detect neighboring LiFi access points for seamless handover with less interference.

Reserved time slots let neighboring LiFi coordinators advertise, detect overlap in one MAC cycle, and reschedule links without central control.

Event-driven color pattern decoding captures transmitters with varying color cycles while filtering noise and avoiding fixed frame-rate limits.

Dynamic event camera setting changes improve optical wireless signal reception, boosting signal-to-noise ratio while limiting processing load.

Blink-based visible light communication assigns unique lamp addresses after installation, cutting DALI setup time and avoiding duplicate IDs.

Direct bus-to-optical interfacing bypasses RF conversion to raise free-space link rates while improving signal quality with multiple optical channels.

Dual optical transceivers bridge OWC access points and portable devices while balancing connectivity, beam angle, power use, and heat.

Dynamic attenuation helps VLC receivers distinguish signal from noise saturation, extending range and supporting higher data rates.

MHz LED excitation and fast photovoltaic reception transmit analog signals with lower energy use and stable sensing under ambient light.

Time-varying clusters of light emitters raise visible or underwater optical link capacity while adapting to moving terminals and limiting interference.

Distance-aware signal quality indication helps align long-range optical wireless devices with fewer ladder climbs and maximum link quality.

Encoded light patterns let nearby devices join virtual meetings, pair automatically, and avoid radio interference in shared rooms.

A housing-mounted VLC light communicator uses modulated LEDs to deliver secure, high-bandwidth indoor data links beyond wired and Wi-Fi limits.

Orthogonal polarizing filters separate optical channels from multiple light sources, preventing interference and preserving transmission quality.

Inclined optical surfaces use total internal reflection to keep short-range wireless transceivers linked during rotation with low interference.

Visible light links between cabin and seat modules replace cables, enabling high-bandwidth reconfiguration without EMI or shadowing.

Alternating size optical elements direct signals across a rotary joint interface, eliminating precise mechanical alignment requirements.

A segmented image sensor executes parallel demodulation to resolve the trade-off between simultaneous optical data transmission and high-fidelity image capture.