Close-Range Type Systems TRIZ Cases

Concentric segment optical transducers reduce multi-access interference in Li-Fi networks, enhancing data transfer speeds and connection stability.

A VLC signal processing method identifies pixel elements receiving detectable light to limit subsequent frame generation and reduce power consumption.

A visible light signal generating method modulates luminance to transmit data via alternating brightness levels.

A method using constant envelope modulation to receive optical signals from multiple nodes for location and data extraction.

Optical transceivers replace RF wiring with visible light channels, eliminating avionics interference and installation costs.

Miniaturized wireless neural recording mote uses optical receivers to convert near-infrared light into electrical power for implanted devices.

A laser receiver uses an acceleration sensor and photo sensor to compute movement direction relative to a laser beam for precise localization.

An infrared receiver detects environmental noise levels to trigger adaptive signal adjustments, mitigating interference from spurious sources.

A receiver device decodes light-based digital messages by applying a length-preserving moving average to the received signal.

Low shunt resistance prevents saturation in high ambient light, maintaining stable signal-to-noise ratio for reliable Li-Fi communication.

A VLC preamble sequence segments clock synchronization and topology identification into distinct patterns to maintain receiver visibility.

Electro-optical sensors extract communication data from light to eliminate external ports, preventing water ingress and skin allergies in wearables.

A laser emitter transmits optical signals through free air to a photodiode receiver via a bandpass filter.

An opaque housing isolates a light receiver to capture flicker codes, eliminating manual entry errors and preventing unauthorized observation.

A LiFi node transfers data signals from an infrared source to a visible light source for illumination.

Orthogonal polarization plates modulate and demodulate optical signals to eliminate interference between parallel transmission channels.

A communication device uses multi-frequency light emitters and braille cells to convert input data into visual and tactile signals.

Segmenting OFDM signals into unclipped and clipped portions allows higher modulation indices while preserving signal integrity.

Light sensors detect identifiers to verify physical presence, preventing unauthorized remote group access.

Geometry-based stochastic method models indoor optical wireless channels across infrared, visible, and ultraviolet bands.

Adaptive biasing and scaling optimize signal-to-noise ratio gain while eliminating the need for additional scaling factor signaling overhead.

Electronic devices encode data into temporal and spatial light patterns emitted by LEDs.