Print Image Acquisition TRIZ Cases

A dome-shaped guide positions a palm for infrared vein authentication while deflecting reflected radiation laterally away from the sensor.

Segmented backlight elements illuminate touch areas to capture reflected light, reducing crosstalk interference that weakens fingerprint data.

Dynamic row-by-row sensor activation reduces resource wastage while maintaining comprehensive fingerprint recognition coverage across the display area.

A photoelectronic sensor module detects invisible and visible light beams reflected from a finger to generate gray-scale and colored fingerprint images.

A fingerprint processing system acquires blank images to detect sensor damage before updating templates.

A light detection circuit uses a potential pull-up sub-circuit to restore reading node voltage levels.

A multi-lens sensing device captures reflected light through dedicated optical paths to enhance fingerprint recognition precision.

An alternating voltage drives TX and RX ultrasonic signals to measure capacitance and impedance for fingerprint identification.

Bending first connection electrodes along the fingerprint recognition area edge merges sensing layers to reduce device thickness and simplify manufacturing.

A three-lens optical assembly uses aspherical surfaces to focus fingerprint images onto sensors.

A biometric sensor processing system identifies fixed pixel biases across multiple images to generate compensation data.

A binding layer between display and sensing panels reduces stray light incidence angles.

Nested filter structures with decreasing aperture sizes collimate light to improve fingerprint recognition precision without increasing device thickness.

A processor controls transmittance of an under display camera area to switch optical paths between a fingerprint sensor and a camera module.

Embedding the fingerprint chip inside the keycap unit resolves adhesion issues and reduces manufacturing complexity through insert molding.

A lens guide prevents adhesive intrusion into the optical path, preserving the air gap for accurate fingerprint recognition.

A multi-device biometric identification system acquires hand images using a general input device to streamline user enrollment.

Distinct TX line groups enable simultaneous fingerprint authentication and touch detection, eliminating the need for separate peripheral devices.

A ring-shaped detection device uses a wireless power receiving element to charge the battery while worn on the body.

Quadrature demodulator compensates for phase delays in transducing circuits, resolving carrier signal cancellation issues and improving signal-to-noise ratio.

Layered acoustic impedance control minimizes wave reflection, maintaining fingerprint recognition accuracy within 0.35 dB despite protective film interference.

Segmenting light sources into non-overlapping subsets eliminates residual images from image sensors, improving fingerprint acquisition accuracy.

Capacitive sensing circuit detects finger contact on peripheral top electrodes to generate a control signal for the pixel array.

A voltage dividing unit with a pressure sensitive member controls thin film transistor states for fingerprint detection.

A low-k dielectric layer between metal layers reduces parasitic capacitance, maintaining signal-to-noise ratio despite thick protective cover glass.

A first electronic device transmits biometric data to a second device lacking sensors using Near Field Communication for initial pairing.

A resonant cavity increases the vibration amplitude of a piezoelectric thin film layer to improve detection sensitivity without adding energy consumption.

A display device pixel arranges light emitting and receiving areas in specific rows to enable optical sensing of external inputs.

Coplanar and via-connected electrodes provide a low-resistance electrostatic discharge path, preventing device damage from static interference.

A pixel structure with virtual edges forms transmitting regions between sub-pixels to increase light transmittance.

Zigzag drive and sense lines integrate fingerprint sensing into the touch panel, eliminating separate sensors that increase device cost and size.

Potassium nitrate treatment replaces sodium ions in the glass substrate, creating surface compression that resolves mechanical strength limitations.

A fingerprint sensor uses an OLED light source and a thin film transistor to detect reflected light intensity variations.

An under-display sensor array uses diodes as photodetectors and piezoelectric elements for pressure sensing to enable multi-modal detection.

A fingerprint identification module uses modulation signals with distinct voltage intervals to collect output signals for calculating signal differences.

Feedback connection to the charge amplifier output eliminates parasitic interference, enabling thicker protective coatings and higher resolution.