Picture Reproducers Using Projection Devices TRIZ Cases

Alternating dual-pitch epipolar patterns resolve phase wrapping ambiguity to achieve high-accuracy depth detection in image-based touch interfaces.

A camera-assisted homography transformation system determines sub-screen corner coordinates to correct keystone distortion in projected images.

A projector light source detection unit obtains illuminance values across time-divided segment periods to identify abnormal states.

Segmenting the optical function into two orthogonal acylindrical lenses corrects astigmatic emission from laser diodes to produce a round collimated beam.

A transmissive optically addressed spatial light modulator uses a photoconductive layer to control visible light transmission.

Segmenting the projector from the wireless touch light source resolves fixed projection size constraints and high lens costs.

Camera captures marker positions to calculate transformation matrices, resolving alignment precision issues across extended projection areas.

A structured light projector uses a VCSEL array and mask positioned at an optimized distance to project uniform patterns.

A dual-panel display system selects codeword pairs to drive image and contrast panels for optimized rendering.

A display control unit adjusts brightness and content across regions based on detected viewer position.

A projection system captures projected images and transmits them to a display device for synchronized drawing operations.

A projector device casts virtual lanes on the floor to guide users through an access control point.

Sensors monitor display output light to automate illumination adjustments, eliminating manual balancing against environmental changes.

Deformable base portions absorb external forces to maintain rotation range without expensive MEMS manufacturing.

A projector distance measuring sensor shifts its exit port to detect close screen distances.

A display control method registers selected images and drawings as unified groups for collective processing.

Digital parameter estimation circuits replace analog components to reduce phase drift and improve mirror position accuracy.

Segmenting frames into sub-regions allows luminance calculation from dark-like areas, maintaining black background color purity.

A multi-projector display system segments the screen to project high angular resolution in a focused region while using lower resolution elsewhere.

A laser projection system tracks moving pedestrians to project clear advertisements on low-absorbance pavement surfaces.

A laser projection device coordinates an optical fiber scanner and a MEMS scanning mirror to form images.

Segmenting the mirror into a fast scanner and slow positioner resolves the speed versus field of view trade-off in MEMS micro mirrors.

Wavelength conversion unit recycles reflected light to reduce energy loss and improve brightness.

A wearable heads-up display controller adjusts output light based on detected pupil position to maintain uniform image quality.

A midair projection display system dynamically calculates user zones of attention to position visual content in three-dimensional space.

A projection system corrects geometric distortion using two-phase adjustment based on captured test images.

Modulating the turning amplitude of a resonant deflection unit reduces excessive edge intensity and improves illumination uniformity in Lissajous projectors.

A vehicle-mounted display system uses a forward camera to generate an enhanced view image when the driver's gaze deviates from the road.

Patterned reflective layer applies localized Joule heating to phase change material, resolving slow switching speed and cross-talk bottlenecks in microdisplays.

A rotating optical plate increases angular diversity to reduce speckle visibility while maintaining image resolution in laser projection displays.

A projector system adjusts image coverage by photographing the projection plane and controlling a zoom lens motor to match detected boundaries.

Merging a fold mirror onto an output optic compresses the scanning system volume while a wedge optic corrects image distortion to less than 5%.

A display device switches modes by adjusting the refractive index of a modulating material layer to redirect light transmission paths.

A multi-projector system modulates light emission with intersecting luminance gradients to align projection images accurately.

A projector correction method derives image shape parameters from screen normal vectors and gravity data.

Multi-view display segments content into spatial zones to resolve clutter and obstruction issues.

A light source controller reduces luminous output when image signals remain static.

Adjustable convergence mechanism aligns color channels via rear-accessible actuators to resolve deep light engine repair constraints.

A control device estimates composite image brightness to adjust projector groups for uniform output.

A projector adjusts its masking area based on single or multi-projector states to track pointing elements accurately.

Decorrelating LH and HL wavelet subbands creates sparser coefficients, improving compression efficiency while managing processing complexity.

Saturation-dependent gamut mapping adjusts color decomposition to reduce power consumption while maintaining image fidelity.

RGBD camera captures position points on a projective plane to determine coordinate values for keystone correction.

Optical configuration maintains high contrast in reflection projectors through precise rotational angle settings.

Central playout server consolidates decryption and storage functions, eliminating expensive internal media blocks at each projector.

External imaging captures projection surfaces to calculate color correction data for multiple projectors.