Print Image Acquisition TRIZ Cases

Differentiating touch area reflectivity increases light flux through imaging apertures, resolving low sensitivity in optical fingerprint identification.

Optical fingerprint sensor detects scattered light characteristics to differentiate genuine prints from counterfeits.

An acoustic wave receiver converts signals to electrical potentials, which a function circuit amplifies and outputs via voltage follow-up.

An optical sensing system illuminates a display region with a cue mark sequence to capture input object images.

Dynamic voltage and frequency adjustments mitigate user shock sensations while preserving high-quality image capture reliability.

Same-plane ultrasonic fingerprint sensors reduce signal interference between driving and receiving structures while maintaining display aperture ratio.

A backlight module with adjustable transparent panels and light-emitting diode strips switches between states to support optical components.

Segmenting sensing electrodes into non-overlapping time periods minimizes parasitic capacitance interference for accurate fingerprint identification.

A signal processing circuit uses a capacitor group and amplifier to couple sensing signals and amplify differential-mode components.

A multi-layer sensing device integrates touch, force, and fingerprint functions using a resilient dielectric layer and switch circuits.

Optical filter unit transmits specific wavelengths to sensing chips, resolving interference from touch screens that degrades sensitivity and recognition speed.

A fingerprint scanning device uses DC resistive image scanning with pixel electrodes to detect finger location before capturing the biometric data.

Conductive shielding on reference electrodes resolves signal quality versus pattern detection trade-offs.

Initialization circuit applies different potentials to adjacent detection elements for short circuit identification.

A touch panel controller drives drive lines using orthogonal code sequences to detect capacitance changes accurately.

A liquid crystal module integrates detection wires and sensation electrodes between display layers to enable fingerprint identification.

A processing system dynamically calibrates capacitive sensor electrodes using auxiliary optical sensors to establish accurate baseline values.

Mounting the fingerprint chip on the touch panel back eliminates through holes, improving waterproofing and accuracy.

A transparent touch panel directs light beams through angled surfaces to create total internal reflection for fingerprint sensing.

Dynamic reference signal adjustment resolves low capacitance differences between ridges and valleys, improving measurement precision.

A semiconductor package uses alignment bars and grooves to orient optical structures directly on the chip marginal area.

An optical sensor captures local region signals to identify a fingerprint logo before image acquisition.

A multimodal decorrelated embedding model segments machine learning networks into independent branches to process distinct biometric modalities.

Merging the light-blocking function into the color filter layer improves imaging quality without increasing display panel thickness.

Propagating electrodes boost signal-to-noise ratio to resolve noise interference in compact fingerprint detection arrays.

A biometric authentication apparatus detects user position to align palm orientation with the sensor for accurate matching.

A fingerprint sensing array mounts directly on a flexible substrate within a touch panel structure.

Guest-host cells and photonic crystals block stray light to improve fingerprint identification accuracy.

A fingerprint readout circuit resets sensor node voltage before sensing cycles, reducing false rejection and acceptance rates in touch display panels.

Vertical transmitting electrodes grown from a piezoelectric layer enhance ultrasonic wave energy transmission.

Segmented substrates in a light sensing panel resolve the trade-off between imaging sharpness and structural strength.

A fingerprint identification device uses impedance elements to transmit reference signals through reading lines.

A multi-resolution fingerprint sensor captures biometric data with variable imaging areas to support compact device integration.

A photoelectric conversion device integrates a resonance layer to enhance red light detection within a display panel.

A collimation layer directs light signals through shutter holes to photosensitive units for optical detection.

Light guiding layers route optical signals through opaque LCD cover glass to enable in-screen fingerprint detection without transparent displays.

Grating light shielding narrows the viewing angle to resolve backlight uniformity issues in under-screen sensing displays.

Composite insulating layers on PIN photodiodes lower parasitic capacitance while maintaining coverage for reliable biometric detection.

Concurrent electrode selection increases mutual capacitance to resolve low signal-to-noise ratios under thick overlays.

A thin biometric detection module uses a semiconductor optical detection region to capture scattered light from body tissue directly.

A fingerprint detection circuit uses a virtual ground to form capacitances with the finger and detection electrode for signal processing.

An object tracking method adjusts location calculations using sensing values to maintain continuous finger position data.

Dummy electrodes in the touch sensor match light transmittance of the fingerprint sensor, eliminating darkened display areas.

Integrates fingerprint recognition film layer within touch panel hollow regions to enable full-screen biometric sensing.

A carbon fiber optical chassis maintains component positions through controlled thermal expansion.

Angle-focused narrow field-of-view filters spatially process reflected light using misaligned apertures and microlenses for precise fingerprint imaging.

A fingerprint image sensing method adjusts exposure parameters to capture clear pixel data across varying finger contact conditions.

A light guide component uses an array of light-passing holes to filter reflected optical signals.

2-TFT pixel architecture improves measurement precision while reducing device complexity by canceling parasitic capacitances.

Display panel light sources use color and position based power settings to optimize reflected light detection for fingerprint sensors.