Inventor

KWAN SIK PIU

US27 patents

⚠️ This page may combine multiple inventors who share the name “KWAN SIK PIU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KWAN SIK PIU

NCR CORP

Electronic price label mounting apparatus

Methods and apparatus for positioning objects for scanning by a hybrid laser and imaging scanner

High sensitivity radio frequency identification tag

Electronic price label battery storage apparatus and replacement method

Item substitution fraud detection

Decentralized video tracking

Pick list optimization method

Electronic shelf label

Liquid crystal display with enhanced character visibility

Sanitizing self-service terminal

Signal-to-noise ratio image validation

Method, device and system for scanning optical codes

Methods and apparatus for using noise data to enhance bar code scanning accuracy

Optical scanner having micro-electro-mechanical systems mirror array and associated method

Apparatus, method and system for an image scanner with differential panning

KWAN SIK PIU

Method, system, and apparatus for a multiple path image scanner

Methods and apparatus for low resolution item identification

Apparatus, method and system for extracting pixel data from an image capture device

Apparatus, system and method for extending the depth of field of an optical code scanner

Apparatus, method and system for selective reading of pixels from an image capture device

Signal-to-noise ratio image validation

Methods and apparatus for fast item identification

Apparatus, method and system for elongating pixel data

HERWIG NATHANIEL C

Methods and apparatus for image recognition in checkout verification

LI JUN

Optical code scanner optimized for reading 2D optical codes

NCR CO

Ribbon separating mechanism for thermal printer

ROQUEMORE III JOHN P

Method, device and system for a laser bar code scanner with imaging assist