Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Multi-stage liveness determination

Multi-stage liveness determination

US Patent 9639765 · Granted May 2, 2017

Estimated economic value: $7,360,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and system for tailoring fluidic resonant frequency in a MEMS-based cooli2025
Anchor and cavity configuration for MEMS-based cooling systems2025
MEMS-based cooling systems for closed and open devices2025
Doorbell camera having active cooling2025
Compact photoacoustic sensor2025
Devices, methods and systems for ear-based photoacoustic plethysmography2025
Methods and apparatus for performing real-time VVC decoding2025
Motion compensated bi-prediction based on local illumination compensation2025
Image enhancement for fingerprint sensor deployed in a flexible device2025
Establishing individual root of trust using biomarkers2025
MEMS-based system for cooling a vapor chamber2025
Input voltage feedforward in constant amplitude ramp2025