Inventor

LIU LINGNAN

US14 patents

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

INTERMEC IP CORP

7 patents

US6128414AOct 3, 2000

Non-linear image processing and automatic discriminating method and apparatus for images such as images of machine-readable symbols

INTERMEC IP CORP226 citations98

US6097839AAug 1, 2000

Method and apparatus for automatic discriminating and locating patterns such as finder patterns, or portions thereof, in machine-readable symbols

INTERMEC IP CORP239 citations98

US5936224AAug 10, 1999

Method and apparatus for reading machine-readable symbols by employing a combination of multiple operators and/or processors

INTERMEC IP CORP80 citations93

US6012640AJan 11, 2000

Rule based and fuzzy logic method and apparatus for processing reflectance signals from machine-readable symbols or images

INTERMEC IP CORP30 citations92

US5862267AJan 19, 1999

Method and apparatus for locating data regions in stored images of symbols

INTERMEC IP CORP23 citations92

US5854478ADec 29, 1998

Method and apparatus for reading machine-readable symbols having surface or optical distortions

INTERMEC IP CORP37 citations86

US6016960AJan 25, 2000

Rule based method and apparatus for processing reflectance signals from machine-readable symbols or images

INTERMEC IP CORP2 citations62

INTERMEC CORP

5 patents

US5811776ASep 22, 1998

Method and apparatus for accurately locating data regions in stored images of symbols

INTERMEC CORP40 citations92

US5742041AApr 21, 1998

Method and apparatus for locating and decoding machine-readable symbols, including data matrix symbols

INTERMEC CORP46 citations92

US5565669AOct 15, 1996

Orientation independent method for robust computing of X-dimensions in code one symbols

INTERMEC CORP49 citations92

US5777310AJul 7, 1998

Problem reduction with low level information integration in bar code decoding

INTERMEC CORP42 citations88

US5764798AJun 9, 1998

Prioritized searching methods for finding a coded symbol in a digitized image

INTERMEC CORP9 citations73

KONINKL PHILIPS ELECTRONICS NV

2 patents

US6503201B1Jan 7, 2003

Correction of extended field of view images for distortion due to scanhead motion

KONINKL PHILIPS ELECTRONICS NV35 citations92

US6730031B2May 4, 2004

Editing and trimming apparatus and method for extended field of view ultrasonic imaging systems

KONINKL PHILIPS ELECTRONICS NV9 citations73