Camera Diaphragms TRIZ Cases

Electromagnetic rotation and magnetic attraction let a camera iris vary aperture while reducing friction and keeping the lens support stable.

Magnetic repulsion and coil-driven motion adjust aperture blades in a compact camera module, enabling DSLR-like aperture control in small devices.

Electromagnetic aperture actuation adjusts camera F-stops while magnetic attraction plates keep the lens support stable when inverted.

Circumferential coils, magnets, and Hall sensing let a compact camera aperture stay small while preserving driving force and positioning accuracy.

Electrostatic attraction between fixed and driving electrets holds camera aperture blades in place without continuous VCM power.

A piezoelectric bending disc deforms a polymer aperture to deliver rapid, precise light control without slow moving parts.

A prism-bent optical path and tilted lens axis cut terminal thickness while preserving imaging quality and a field of view of at least 55°.

Segmented magnetic strips and a first magnetic piece improve camera aperture drive precision while reducing cover impact and blade damage.

A six-lens cemented layout balances focal length and image height to deliver large aperture, wide field of view, and high resolution.

Opaque electrolyte and transparent liquid form programmable aperture patterns with higher stability and transmittance than mechanical designs.

A rotating shading-blade aperture brings variable light control to slim mobile camera modules without the bulk of traditional iris mechanisms.

A gear carrier and rack-driven blade group enable continuous aperture adjustment in a thin camera module for mobile devices.

Shared coils on a flexible circuit integrate aperture control and image sensor motion, shrinking camera module size while preserving image quality.

A piezoelectric SIDM replaces bulky galvanometers in an iris drive, converting linear motion to blade rotation for thinner camera modules.

V-shaped facing rails, ball point-contact, and a guiding unit keep an iris rotator centered and smooth, reducing tilt and intermittent rotation.

A Lorentz-force diaphragm separates blade actuation from the lens to cut autofocus load and avoid wiring interference in camera modules.

A five-lens aspheric layout balances image quality and compact size by controlling aberration and flare for high-pixel portable imaging.

Supplemental blades cover unwanted holes around the aperture, enabling a smaller camera module without sacrificing optical performance.

Stacked blade units on different planes let a compact camera aperture vary opening size for stronger bokeh and light control without added thickness.

High-index lenses with controlled dn/dt keep compact vehicle camera optics sharp and resolution-stable from room to extreme temperatures.

Magnetic retention fixes variable aperture blades during power loss to prevent abnormal noise and cut power use without continuous drive.

Positioning protrusions replace ball-and-groove parts to cut aperture tolerance, limit shake-induced size variation, and improve image quality.

A five-lens optical layout balances aberration correction, high-pixel sensor support, and shorter module length in compact electronics.

Guided blade and ring motion keeps the elliptical aperture shape, axis orientation, and ratio stable as aperture size changes.

A low-DTn compensation lens and stop placement keep small surveillance camera optics stable from -40°C to 80°C with less back focal shift.

A liquid crystal pixel diaphragm replaces fixed apertures to tune shape and transmittance for dynamic bokeh and HDR exposure control.

A variable aperture and balanced positive-negative lens layout expands image circle while keeping the optical system compact and aberrations corrected.

A resin five-lens layout uses refractive index and Abbe number tuning to correct aberrations while keeping camera modules short and light.

A seven-lens optical layout uses refractive power and surface curvature tuning to keep phone cameras compact while controlling aberrations at F No. 1.8 or less.

An inner rotating support shrinks variable aperture moving space while preserving precise aperture control for smaller camera modules.

Rollable support and magnetic rotation help a compact camera aperture stop adjust light precisely while reducing blade damage and wear.

Optical path redirection lets a near-eye AR camera match the user's perspective, reducing magnification, jitter, and motion sickness.

A shape memory alloy wire drives aperture rotation while Hall sensing improves speed and accuracy of camera lens control.

Temperature-driven resolution shifts are addressed with high-index lens elements that stabilize imaging from −40°C to 80°C.

A rotating disk drives blades closer or farther apart, replacing discrete gear positions with precise control of the lens light-passing hole.

A shared flexible circuit integrates aperture and sensor-actuation coils, addressing oversized optical systems while preserving light and sensor control.

Controlled rings, guide ramps, and movable pins keep the elliptical aperture’s axes fixed as the iris changes, preserving bokeh shape and orientation.

Electronic shutter and aperture control privacy and light exposure in narrow-bezel displays.

Transmissive reflective surfaces manage light paths for compact aberration correction.

This case shows how stacked, partially overlapping blades and SMA actuation reduce aperture thickness and complexity for portable cameras.

Segmented adjustment holes in blade driving devices maintain minimum light passing hole diameter despite mechanical stopper position variations.

A stepping motor aperture adjuster increases rotational speed after static friction transitions to dynamic friction.

A nine-lens optical system with specific refractive power distribution reduces Total Track Length while correcting chromatic aberration and distortion.

Varying stop blade thickness minimizes warping and load from overlapping components, allowing closer lens placement without diffraction.

A seven-lens optical system uses aspherical surfaces to correct aberrations for high resolution imaging.