Projectors TRIZ Cases

Spherical medium reconstitutes anamorphic-distorted images to resolve limited viewing angles in conventional Pepper's ghost illusions.

A light source apparatus combines luminous fluxes from directional emitter rows to produce uniform combined light.

A projector light source device synchronizes output periods of colored lights to match frame rates.

A projection system uses a telecentric portion at the reduction side of the second lens group to expand the image.

A projection display device uses a sub-circuit board to branch ballast control voltage signals to multiple lamp cover detection switches.

Segmented cooling units manage thermal load while clean air prevents dust adhesion on optical components.

Pre-stored adjustment values allow precise brightness control without shifting white balance across different grayscale levels.

Synchronized laser projectors coordinate via a central workstation to mark large vehicle surfaces with high precision.

An elastic washer deforms adaptively to seal gaps between casings, preventing dust entry and avoiding breakage during lens adjustment.

An inorganic bonding matrix fills voids in the conversion layer to resolve thermal degradation and hole formation during sintering.

An oil detecting section assesses air quality to determine if a wall-mounted projector requires physical attachment verification.

Cameras capture live feeds to enable remote adjustment of spherical projector focus, zoom, and orientation without on-site technician presence.

A servo beam provides feedback control to maintain optical alignment in scanning display systems.

Segmented housing with filter vents dissipates light source heat while blocking dust, protecting optical elements from thermal damage.

A bearing element with a shaft portion and elastic elements allows precise beam angle control, preventing laser speckle mispositioning from assembly tolerances.

Segmented birefringent elements compensate skew rays across wider angles, resolving contrast loss and manufacturing complexity in projector systems.

Vertical fan placement eliminates horizontal space occupation while removing guide members to reduce flow resistance and system noise.

A light beam generating device uses a dual-controller architecture to regulate luminance with high-speed feedback.

Positioning a half wave plate between lenses reduces apparatus size and suppresses color unevenness from multiple light sources.

Bonded retention members eliminate wrinkle formation by applying high tension without weakening the screen structure.

Segmented covers create specific airflow paths that reduce temperature and noise while maintaining dustproof sealing.

Segmented support layers and parallel stress adjusting layers cancel thermal deformations, preserving mirror flatness and optical contrast.

A relay element forms an intermediate image near the projection lens entry surface to shorten the back focal length.

Segmented duct portions reduce static pressure loss and ensure sufficient airflow to downstream light modulation devices.

A light-emitting device uses a submicron periodic structure to form quasi-guided modes for directional emission.

A scanning projector uses a MEMS scanner to project images with reduced speckle noise.

A rollable display screen uses a roller mechanism to stow and deploy a flexible composite phosphor-filter layer.

Oblique transparent rear projection screen generates glasses-free 3D illusions, eliminating costly and hazardous viewing equipment requirements.

Reducing the binder refractive index below that of phosphor particles minimizes in-plane guided light, thereby increasing output power density.

A camera shoe extension uses a curved support arm to position accessories away from the body.

A projection optical system uses a concave aspherical mirror and resin lens to adjust magnification while maintaining high resolution.

A wavelength conversion member with spatially varying activator concentration directs excitation light through a phosphor layer to generate fluorescence.