Close-Range Type Systems TRIZ Cases

A LiFi subsystem selects candidate access points using neighbor relationships to pre-establish pairwise transient keys for secure roaming.

A display part transmits optical signals to synchronize data with an electronic timepiece.

A display transmitting method modulates luminance patterns to switch light sources and send visible light signals.

Line-of-sight infrared signaling establishes secure Bluetooth pairings without manual ID entry, eliminating man-in-the-middle attack vectors.

An electric apparatus adjusts optical signal emission intensity and transmission rate to maintain bit error rates during non-normal operating states.

A lighting grid controller adjusts LED modulation depth using feedback from user equipment devices to maintain uniform light emission.

Wireless lighting devices function as adaptive master and slave nodes, resolving single-point access limits in centralized control architectures.

A compact LED optical receiving lens uses segmented spherical surfaces to direct light onto a photoreceptor.

Adaptive detection algorithms mitigate inter-symbol interference caused by mobility and vibrations, enabling high bit rate transmission over extended ranges.

A visible light communication system uses chromaticity coordinates to determine color ratios for transmitting information symbols.

Segmenting the optical spectrum with a dual-wavelength filter reduces interference between multiple transmission channels.

A visible light communication controller allocates distinct sub-bands to multiple LED sources based on terminal density.

Detecting shared visible light sources determines device proximity, resolving the contradiction between measurement precision and user privacy security.

Transmitting a busy signal on a separate wavelength channel resolves hidden node issues in optical wireless networks by enabling indirect channel sensing.

Modulating light emissions with a UUID eliminates manual configuration steps and reduces provisioning time for lighting networks.

A light guide plate routes optical signals to a receiver using a hologram layer and wave plate.

Expurgated pulse position modulation reduces LED flicker and improves spectral efficiency by segmenting symbol periods into specific time slots.

A VLC device manages communication link alignment by selectively transmitting visible frames based on permission bits.

A display transmitting method modulates visible light signals through luminance change patterns to enable communication between diverse devices.

An infrared light emitting diode transmits encoded status signals to security cameras for remote amusement machine monitoring.

Segmenting illumination and communication functions into distinct wavelength sources maintains signal quality when primary lighting dims or turns off.

Color modulation using RGB pulses decodes multivalued information, reducing processing load and response time compared to binary methods.

An optical signal receiver corrects atmospheric wavefront aberrations by delaying detector outputs to align phases, eliminating complex adaptive optics.

CMOS camera row scanning captures modulated light signals to form data streams, eliminating dedicated diagnostic hardware and reducing system complexity.

Voltage detector monitors input voltage and triggers switch controller to latch switch off, preventing abnormal current flow during short circuit failures.

An optical drive chip converts data into drive signals using a control parameter set to manage light-emitting devices.

Total internal reflection waveguides route light from multiple entrances to one sensor, reducing mechanical alignment constraints in compact devices.

An add-on VLC controller converts external data into LIBM-modulated signals to drive existing LED lighting devices.

A level duration encoding method transmits infrared signals to enable bidirectional communication between terminals.

A transmitter and receiver localization system encodes digital information in light-based signals to estimate direction and distance.

Rolling shutter image sensors convert temporal sampling into spatial patterns, enabling low-cost cameras to decode embedded codes from multiple light sources.

Amplitude modulation encodes binary data in light output, enabling automated failure detection without manual inspection.

A visible-light wireless communication apparatus combines variable pulse position modulation with orthogonal frequency division multiplexing for simultaneous illumination control.