Projectors TRIZ Cases

A microphone array detects sound arrival direction to identify the active speaker in videoconferences.

A projector multi-lens array divides light into partial pencils and superimposes them to reduce streaky illuminance irregularities.

Adjusting lever arm distances to decouple movable and frame body oscillation Q values in optical scanners.

A half-wave plate equalizes S and P polarization transmittance to resolve color uniformity issues in laser projection systems.

An anti-reflection coated dust-proof glass prevents contaminant adherence and ensures uniform illuminance distribution across the screen.

A rotatable light splitting module directs laser beams through reflecting and transmitting regions to form RGB color light.

A control unit rotates a fluorescent wheel after shutdown to enable immediate projector startup.

A scanned image projection system uses non-visible light encoding to determine distance from the projection surface.

A color wheel protection circuit generates resetting signals to control the light source illumination beam.

A free-form mirror compensates for non-uniform illumination and distortion in off-axis projection systems.

Safety circuit monitors laser output power and scan mirror oscillation to deenergize components, preventing excessive exposure when feedback systems fail.

A light source device uses multiple wavelength conversion units and optical systems to form adjacent or superimposed images of emission regions.

Dual prisms adjust beam dimensions to maintain aspect ratio compatibility without external anamorphic lenses, reducing optical engine volume and cost.

An elastic lid portion with variable cross-sections seals a projector light source unit, ensuring uniform adhesion force across corners and straight edges.

Engineered conical nanostructures create a gradual refractive index transition to enhance phosphorescence transmission.

A projection display system uses a wavelength adjusting assembly to tune projected light spectrum for vivid color reproduction.

A light source apparatus uses a concave phosphor layer to focus excitation light via side surfaces, enhancing fluorescence utilization efficiency.

Audio processing apparatus reduces sequential noise contamination by dynamically selecting noise-free reference sections before or after the target segment.

A focus correction system adjusts projection lens position using temperature data and user operation feedback.

A region-based light splitter directs unexcited excitation beams back to a wavelength converting element.

Segmented working surfaces with tailored orientations adjust beam angles independently, eliminating color spots and uneven brightness in laser projection.

A projection screen guides coherent video light from an optical scanning projector to display images on a front surface.

A wavelength conversion element positions a phosphor layer on a rotating disk to manage thermal resistance and release heat.

A light source assembly uses fluorescent excitation and optical coupling to generate a composite beam with expanded color representation.

A phosphor wheel uses small disk-derived pieces arranged around a rotation axis to enable flexible production of various outer diameters.

Cyan phosphor mixes with coherent blue laser light to resolve eye safety hazards while maintaining system simplicity.

A robotic mirror assembly reflects projector output onto a smaller area to concentrate light, resolving grainy images in close-viewing theme park environments.

A spherical mirror projector generates collimated test images for multi-camera arrays.

Electromagnets hold a projector lens in place without mechanical contact, preventing thermal drift from component deformation.

Three reflective optical systems with distinct curvatures reduce projection distance while maintaining image sharpness.

A liquid screen forming device ejects droplets to create a physical projection surface synchronized with image light.

Near-infrared fiducial markers enable multi-device interaction without environmental instrumentation.

A planar illumination device generates multiple light distributions from a single surface to inspect components.

Optical filter separates multi-wavelength light signals to project distinct images, eliminating high-speed mechanical oscillation and reducing hardware costs.

A light source unit employs a segmented luminescent plate to guide excitation and monochromatic light paths separately.

Segmented optical zones and beam splitter arrays resolve the trade-off between projector-viewer distance and observed brightness uniformity.

A retractable projection screen uses a tab tensioning system to apply horizontal force across the surface.

A wavelength conversion element uses fluorescent glass to convert excitation beams into multiple beams with distinct wavelength peaks.

Sliding hanging pieces on standing poles adjust the projection screen position without puncturing walls.

A dual-path illuminator combines separate light beams to produce a uniform flux on a diffused element.

A two-piece LCD projector optical system routes blue light through a dedicated black and white light valve channel to reduce masking losses.

A control unit adjusts power supply voltage to match peak light emission amounts in image data.

A video compositing application compensates for optical distortion by adjusting matte edges to align projected images with non-coplanar architectural surfaces.

A reflecting optical combination device adjusts transparency and brightness of non-overlapping display areas to ensure uniform visual output.

Elongate arm assemblies with shiftable coupling portions enable quick adaptation to multiple projector models while allowing service access without re-aiming.

A sliding circulating device aligns air flow ports, preventing leaks during light source replacement.

A multi-group imaging optical system moves specific lens elements along the optical axis to maintain precise conjugate points during zooming operations.

A wavelength conversion element seals air holes with a transparent member, preventing silver migration and maintaining reflectance.

Dual digital micromirror devices generate light fields to resolve frame rate and brightness trade-offs in 3D projection.