Songan Andy Chang

Person

Mountain View, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Selective touch scan area and reporting techniques
- Patent number 10,152,175
- Issue date Dec 11, 2018
- NOOK DIGITAL, LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Selective touch scan area and reporting techniques
- Patent number 9,836,154
- Issue date Dec 5, 2017
- NOOK DIGITAL, LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Infrared reflection based cover detection
- Patent number 9,250,681
- Issue date Feb 2, 2016
- NOOK DIGITAL, LLC
- Songan Andy Chang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Pen interface for a touch screen device
- Patent number 9,134,849
- Issue date Sep 15, 2015
- NOOK DIGITAL, LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SELECTIVE TOUCH SCAN AREA AND REPORTING TECHNIQUES
- Publication number 20180088730
- Publication date Mar 29, 2018
- Nook Digital, LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR DUAL MODE STYLUS DETECTION
- Publication number 20140247238
- Publication date Sep 4, 2014
- barnesandnoble.com LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SELECTIVE TOUCH SCAN AREA AND REPORTING TECHNIQUES
- Publication number 20140204035
- Publication date Jul 24, 2014
- barnesandnoble.com LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND APPARATUS FOR ADAPTIVE SETTING OF SCAN RATE
- Publication number 20140176450
- Publication date Jun 26, 2014
- barnesandnoble.com LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR ADAPTIVE SCAN RATE FOR AN ELECTRONIC DEVICE
- Publication number 20140176451
- Publication date Jun 26, 2014
- barnesandnoble.com LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM AND METHOD FOR DETECTING AND INTERPRETING ON AND OFF-SCREEN...
- Publication number 20140043265
- Publication date Feb 13, 2014
- barnesandnoble.com LLC
- Songan Andy CHANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFRARED REFLECTION BASED COVER DETECTION
- Publication number 20130100160
- Publication date Apr 25, 2013
- barnesandnoble.com LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PEN INTERFACE FOR A TOUCH SCREEN DEVICE
- Publication number 20130100074
- Publication date Apr 25, 2013
- barnesandnoble.com LLC
- Songan Andy Chang
- G06 - COMPUTING CALCULATING COUNTING

Songan Andy Chang

Person

Patents Grantslast 30 patents

Selective touch scan area and reporting techniques

Selective touch scan area and reporting techniques

Infrared reflection based cover detection

Pen interface for a touch screen device

Patents Applicationslast 30 patents

SELECTIVE TOUCH SCAN AREA AND REPORTING TECHNIQUES

SYSTEM AND METHOD FOR DUAL MODE STYLUS DETECTION

SELECTIVE TOUCH SCAN AREA AND REPORTING TECHNIQUES

SYSTEM AND APPARATUS FOR ADAPTIVE SETTING OF SCAN RATE

METHOD FOR ADAPTIVE SCAN RATE FOR AN ELECTRONIC DEVICE

SYSTEM AND METHOD FOR DETECTING AND INTERPRETING ON AND OFF-SCREEN...

INFRARED REFLECTION BASED COVER DETECTION

PEN INTERFACE FOR A TOUCH SCREEN DEVICE