Chu-Fei CHANG

Person

Zhubei City, TW

People

Patents Grantslast 30 patents

Information Patent Grant
Optical identification method and optical identification system
- Patent number 10,650,212
- Issue date May 12, 2020
- BEYOND TIME INVETMENTS LIMITED
- Chu-Hsin Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optical identification method
- Patent number 10,552,662
- Issue date Feb 4, 2020
- BEYOND TIME INVESTMENTS LIMITED
- Chu-Hsin Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Exposure time determination method for image sensing operation
- Patent number 10,417,476
- Issue date Sep 17, 2019
- EOSMEM CORPORATION
- Chu-Hsin Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of detecting whether surveillance camera is normal or abnorm...
- Patent number 10,223,594
- Issue date Mar 5, 2019
- IRONYUN INC.
- Chu-Fei Chang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
FINGERPRINT IDENTIFICATION DEVICE WITH SUPPLEMENTARY LIGHT SOURCE A...
- Publication number 20180373916
- Publication date Dec 27, 2018
- EOSMEM CORPORATION
- Chu-Hsin CHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL IDENTIFICATION METHOD
- Publication number 20180189546
- Publication date Jul 5, 2018
- EOSMEM CORPORATION
- Chu-Hsin Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE SENSING METHOD AND IMAGE SENSOR WITH ROLLING EXPOSURE TIME CO...
- Publication number 20180191935
- Publication date Jul 5, 2018
- EOSMEM CORPORATION
- Chu-Hsin Chang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE BRIGHTNESS NON-UNIFORMITY CORRECTION METHOD AND IMAGE BRIGHTN...
- Publication number 20180189545
- Publication date Jul 5, 2018
- EOSMEM CORPORATION
- Chu-Hsin Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EXPOSURE TIME DETERMINATION METHOD FOR IMAGE SENSING OPERATION
- Publication number 20180189540
- Publication date Jul 5, 2018
- EOSMEM CORPORATION
- Chu-Hsin Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
OPTICAL IDENTIFICATION METHOD AND OPTICAL IDENTIFICATION SYSTEM
- Publication number 20180189541
- Publication date Jul 5, 2018
- EOSMEM CORPORATION
- Chu-Hsin Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
REAL-TIME HEART RATE DETECTION METHOD AND REAL-TIME HEART RATE DETE...
- Publication number 20180184927
- Publication date Jul 5, 2018
- EOSMEM CORPORATION
- Chu-Hsin Chang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD OF DETECTING WHETHER SURVEILLANCE CAMERA IS NORMAL OR ABNORM...
- Publication number 20180114070
- Publication date Apr 26, 2018
- IRONYUN INC.
- Chu-Fei CHANG
- G06 - COMPUTING CALCULATING COUNTING

Chu-Fei CHANG

Person

Patents Grantslast 30 patents

Optical identification method and optical identification system

Optical identification method

Exposure time determination method for image sensing operation

Method of detecting whether surveillance camera is normal or abnorm...

Patents Applicationslast 30 patents

FINGERPRINT IDENTIFICATION DEVICE WITH SUPPLEMENTARY LIGHT SOURCE A...

OPTICAL IDENTIFICATION METHOD

IMAGE SENSING METHOD AND IMAGE SENSOR WITH ROLLING EXPOSURE TIME CO...

IMAGE BRIGHTNESS NON-UNIFORMITY CORRECTION METHOD AND IMAGE BRIGHTN...

EXPOSURE TIME DETERMINATION METHOD FOR IMAGE SENSING OPERATION

OPTICAL IDENTIFICATION METHOD AND OPTICAL IDENTIFICATION SYSTEM

REAL-TIME HEART RATE DETECTION METHOD AND REAL-TIME HEART RATE DETE...

METHOD OF DETECTING WHETHER SURVEILLANCE CAMERA IS NORMAL OR ABNORM...