Picture Reproducers Using Projection Devices TRIZ Cases

An inclined movable screen reciprocates continuously, eliminating urgent stops and reducing control complexity.

A digital display uses a geometrically misaligned microlens array to shape light fields and correct visual aberrations.

A projection apparatus adjusts grayscale ranges to maintain image quality on non-exclusive-use surfaces.

A scanning laser projector adjusts duty cycle and amplitude of laser drive signals based on beam position to generate pixels.

A projection device uses depth light sources to detect touches on arbitrary surfaces.

Calculates projection surface normal direction from measurement data to adjust image shape, preventing rotation distortion on the display.

Liquid crystal photo shutters adjust transparency based on ambient light, resolving visibility conflicts in bright environments.

A projection device calculates focus adjustment parameters using a distance sensor and an auto focus transfer function to adjust the lens focal length.

A liquid crystal device uses a planarization layer and multi-layer films to maintain light antireflection on uneven substrates.

Feedback control adjusts semiconductor laser drive current based on optical sensor measurements to resolve temperature-induced white balance shifts.

Nonaxisymmetric aspheric surfaces prevent light intersection, reducing optical length while maintaining resolution and angle of view.

A projector captures images sequentially from regions where projection switching is complete to maintain continuous imaging.

Statistical models predict MEMS reflector tilt angles to compensate for thermal drifts and vibrational coupling in scanning projectors.

Orthogonally polarized lights scan a sensitive material to form gratings without contact issues, eliminating beam splitters and boosting brightness.

Vertical stacking of grating light valve modules with optical relays resolves module width constraints to enable seamless in-line stitching.

A screen generation device manages image data traffic through dynamic priority settings for connected terminals.

Geometric multiplexing with temporal buffers compensates for angular separation caused by a single collimating lens, reducing device complexity.

A control device captures identification images from a display surface to determine an operation target device.

An optical element moves partial video on a display surface to shift the light path for virtual image projection.

Differential thickness in the vibration absorbing member suppresses micro-vibrations while maintaining motion followability for high-resolution projection.

A projector control system adjusts projection and image luminance based on picture content analysis.

A vehicle image display device stops one visual output when transmissive and road-surface images overlap.

Assigning distinct colors to pattern images from multiple projectors resolves visual recognition difficulties during overlap correction.

High-resolution imaging colorimeter standardizes speckle contrast measurement across varied equipment, eliminating inconsistent holographic image quality.

A projection system detects color convergence errors by analyzing separated RGB component coordinates from a projected test pattern.

A projection display system dynamically adjusts emitter modulation frequency based on content type to reduce pixel processing load.

Segmenting the projector into independent optical modules distributes light through multiple paths, reducing contamination scattering and improving reliability.

A projection system maps uncalibrated digital driving levels to calibrated values using detected brightness data.

Merging highlight illumination with main projection through a single spatial light modulator increases peak brightness without adding separate projectors.

An asymmetric light flux diameter expanding element directs optical beams toward a user eye, reducing image chipping caused by pupil position shifts.

A double-image projection device uses a semi-reflection mirror to project scanning light beams onto an ear canal model.

A projection system controls multiple projectors by identifying pixel correspondences in overlap regions using time-division Gray code images for precise keystone correction.

A distortion correction circuit applies color-specific warp parameters to display image data.

A segmented spatial light modulator controls voltages across independent regions to multiplex images and reduce component count in wearable displays.

A light source module shifts a lens relative to an emitter to adjust the viewing angle, reducing cost and power consumption.

A projection system uses imaging devices to detect physical markers and project images matching their layout.

A programmable laser device features a built-in control panel with keyboard and display for user input.

Automatic color wheel adjustment calculates target correction values from normal pixel proportions in projected frames.

A head-mounted display processor reconstructs viewports from predicted scenes to reduce user-perceived latency.

An optical film integrates arcuate microstructures and an opaque aperture layer to produce collimated light.

Laser welding plastic scanner bodies overcomes magnetic separation forces during assembly, improving manufacturing yield and bonding strength.

A display device control unit manages usage validity periods using a real-time clock and external synchronization.

A dual modulator projector system uses a blurring optical system to process halftone images for pulse width modulation.

Segmented yokes and viewing windows enable precise air core coil positioning to prevent permanent magnet contact, ensuring stable optical path swinging.

A MEMS optical device directs laser beams using planar and concave mirrors.

An optical illumination device projects distance-coded symbols onto road surfaces, replacing complex sensor arrays and software logic with passive visual cues.

A controller selects between HDBaseT and Ethernet signals using dynamic mode setting.

A multi-projector system adjusts RGB components by analyzing achromatic overlap regions of complementary color images to match projected hues.