Camera Diaphragms TRIZ Cases

A six-element imaging lens corrects image distortion through alternating refractive powers.

A compact folded telephoto lens system uses a light path folding element to redirect optical signals through multiple refractive lens groups.

A shape memory alloy wire actuates an optical aperture switching unit to reduce electromagnetic interference and device complexity in camera modules.

An electrochromic apodized aperture adjusts light transmittance via applied voltage to replace bulky mechanical iris diaphragms.

Rotating and linear movement wings maintain a consistent hexagonal aperture shape, preventing optical errors like light splitting or spreading.

Dual cam grooves guide driving pins to resolve interference between circular aperture shape and rotational operation angle.

Aperture adjusting device relocates guiding slot to support frame for larger blade swingable range.

A five-element optical imaging lens uses specific refractive power distribution to achieve telephoto capability.

A three-lens aspheric optical system uses specific focal power distribution to correct aberrations in compact imaging devices.

An interchangeable lens accessory stores and plays back aperture diameter information using a processor to control light amounts.

Rotating blades nested within a dual moving frame adjust the incident hole size to control light incidence in compact optical assemblies.

A circular aperture diaphragm expands the depth of field in a fixed focus camera, resolving image quality inconsistency across varying object distances.

An iris diaphragm mechanism using control pins and guideways to adjust aperture area while maintaining a fixed bokeh shape orientation.

Nested plastic lens elements reduce total track length while correcting astigmatism and chromatic aberration for high-end telephoto applications.

A six-lens camera module uses aspherical surfaces on the fifth and sixth lenses to correct optical aberrations in compact devices.

A six-lens optical system uses aspherical surfaces and specific refractive powers to achieve a wide field of view.

Six-element optical lens assembly reduces aberration while maintaining wide field of view in compact mobile devices.

Close and non-close blades rotate in opposing directions to minimize friction while maintaining a circular opening shape.

Transition metal oxide crystallites dispersed in a lithiated matrix minimize phase distortion and absorption while maintaining variable aperture functionality.

Replacing ball connections with a roller reduces friction and improves stability in camera module aperture adjustments.

Rotatable blade assembly segments aperture shape to resolve manufacturing precision and device complexity contradictions.

A second cam groove in light leakage prevention blades interlocks with diaphragm blade moving bosses to drive aperture mechanisms.

An electro-optic variable aperture lens integrates an electrochromic element between optical layers to dynamically adjust light transmission.

Nested rotor plates and arcuate coils enable precise aperture control without increasing camera module volume.

Linear blade movement adjusts aperture size without rotational sticking, enabling stepless control.

A diaphragm driving device uses a motor and converting mechanism to rotate an interchangeable lens control bar.

A five-element aspherical lens design reduces volume while maintaining high image quality.

Asymmetric joint distribution and dynamic ring rotation enable adjustable ellipticity for unique bokeh effects.

Relocating the drive mechanism outside the opening portion reduces overall device volume while maintaining a satisfactory diaphragm opening shape.

A six-lens optical imaging system uses aspherical surfaces and dynamic lens movement to achieve wide field of view.

A diaphragm device merges blade and light leakage prevention functions into a single cam groove structure.

A shared rotating shaft links two diaphragm blades through a mechanical coupling to regulate an optical aperture.

Stacking aperture, driving, and detection units along the central axis reduces radial diameter while maintaining precise light control.

Eccentric roller adjuster modifies cam mount phase to control aperture size, resolving excessive blade rotation sensitivity during light amount adjustment.

Segmented blades nested in spacers resolve compactness versus durability trade-offs, enabling precise aperture control without damage.

Relocating aperture stops outside the lens group reduces thickness by removing internal structural space requirements.

Diaphragm blades incorporate portions with opposite radii to maintain high circle-radius-ratio, reducing flare and stray light at extreme aperture settings.

Replacing plastic with a metal first cover body prevents blade deformation and extends service life.

A stop mechanism uses interlocking arms to move light-blocking projections inward, reducing aperture diameter.

A compact imaging optical system uses transmissive reflective surfaces and a quarter waveplate to direct light through a folded path.

A five-lens optical system uses a glass first lens and plastic subsequent lenses to maintain modulation transfer function performance.

An eight-element camera optical lens uses specific refractive power distributions to achieve large aperture and ultra-wide angle imaging capabilities.

A lens diaphragm device uses a mode select mechanism to switch between click and non-click operation.

Aspherical seventh lens surfaces correct spherical aberration, enabling a compact seven-lens assembly with a 120° to 200° field of view.

Rotatable blades adjust aperture size to mitigate LED flicker and flaring while preserving dynamic range in automotive cameras.

Segmented driving forces displace optical elements alternately to prevent contact and ensure operational stability.

A blade driving member pivots to overlap supporting parts, enabling high-speed reduction ratios and precise aperture control.