Chang Joon PARK

Person

Sunnyvale, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
High sensitivity resonant drive scheme for RF face tracking
- Patent number 12,126,205
- Issue date Oct 22, 2024
- Microsoft Technology Licensing, LLC
- Chang Joon Park
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Resonant drive system for RF face tracking
- Patent number 12,094,241
- Issue date Sep 17, 2024
- Microsoft Technology Licensing, LLC
- Zhuo Yi Cao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Drive circuit for resonant mirror scanning system
- Patent number 11,940,617
- Issue date Mar 26, 2024
- Microsoft Technology Licensing, LLC
- Chang Joon Park
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Power source current balancing system and method
- Patent number 11,923,703
- Issue date Mar 5, 2024
- Microsoft Technology Licensing, LLC
- Zhuo Yi Cao
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Laser diode driver break-down protection scheme
- Patent number 11,888,288
- Issue date Jan 30, 2024
- Microsoft Technology Licensing, LLC
- Chang Joon Park
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dual polarity power supply device
- Patent number 11,716,027
- Issue date Aug 1, 2023
- Microsoft Technology Licensing, LLC
- Chang Joon Park
- G02 - OPTICS
Information Patent Grant
Time-multiplexing resonant drive scheme to generate dual polarity s...
- Patent number 11,675,421
- Issue date Jun 13, 2023
- Microsoft Technology Licensing, LLC
- Chang Joon Park
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
POWER SOURCE CURRENT BALANCING SYSTEM AND METHOD
- Publication number 20240283257
- Publication date Aug 22, 2024
- Microsoft Technology Licensing, LLC
- Zhuo Yi CAO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POLARITY SWITCHING POWER SUPPLY DEVICE
- Publication number 20240195280
- Publication date Jun 13, 2024
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
HIGH SENSITIVITY RESONANT DRIVE SCHEME FOR RF FACE TRACKING
- Publication number 20230236309
- Publication date Jul 27, 2023
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- G01 - MEASURING TESTING
Information Patent Application
TIME-MULTIPLEXING RESONANT DRIVE SCHEME TO GENERATE DUAL POLARITY S...
- Publication number 20230205309
- Publication date Jun 29, 2023
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Power Source Current Balancing System and Method
- Publication number 20230198270
- Publication date Jun 22, 2023
- Microsoft Technology Licensing, LLC
- Zhuo Yi CAO
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Resonant Drive System for RF Face Tracking
- Publication number 20230196828
- Publication date Jun 22, 2023
- Microsoft Technology Licensing, LLC
- Zhuo Yi Cao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYNTHETIC INDUCTIVE RESONANT DRIVE CIRCUIT
- Publication number 20230179178
- Publication date Jun 8, 2023
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DUAL POLARITY POWER SUPPLY DEVICE
- Publication number 20230163690
- Publication date May 25, 2023
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LOW POWER EFFICIENCY RF FACIAL MOVEMENT DETECTION SCHEME
- Publication number 20230104809
- Publication date Apr 6, 2023
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- G01 - MEASURING TESTING
Information Patent Application
POWER EFFICIENCY OPTIMIZATION METHOD OF LC RESONANT DRIVER FOR MEMS...
- Publication number 20220404611
- Publication date Dec 22, 2022
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- G02 - OPTICS
Information Patent Application
LASER DIODE DRIVER BREAK-DOWN PROTECTION SCHEME
- Publication number 20220166188
- Publication date May 26, 2022
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BRIDGE SENSOR DC ERROR CANCELLATION SCHEME
- Publication number 20220149856
- Publication date May 12, 2022
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- G01 - MEASURING TESTING
Information Patent Application
DRIVE CIRCUIT FOR RESONANT MIRROR SCANNING SYSTEM
- Publication number 20220035150
- Publication date Feb 3, 2022
- Microsoft Technology Licensing, LLC
- Chang Joon PARK
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL

Chang Joon PARK

Person

Patents Grantslast 30 patents

High sensitivity resonant drive scheme for RF face tracking

Resonant drive system for RF face tracking

Drive circuit for resonant mirror scanning system

Power source current balancing system and method

Laser diode driver break-down protection scheme

Dual polarity power supply device

Time-multiplexing resonant drive scheme to generate dual polarity s...

Patents Applicationslast 30 patents

POWER SOURCE CURRENT BALANCING SYSTEM AND METHOD

POLARITY SWITCHING POWER SUPPLY DEVICE

HIGH SENSITIVITY RESONANT DRIVE SCHEME FOR RF FACE TRACKING

TIME-MULTIPLEXING RESONANT DRIVE SCHEME TO GENERATE DUAL POLARITY S...

Power Source Current Balancing System and Method

Resonant Drive System for RF Face Tracking

SYNTHETIC INDUCTIVE RESONANT DRIVE CIRCUIT

DUAL POLARITY POWER SUPPLY DEVICE

LOW POWER EFFICIENCY RF FACIAL MOVEMENT DETECTION SCHEME

POWER EFFICIENCY OPTIMIZATION METHOD OF LC RESONANT DRIVER FOR MEMS...

LASER DIODE DRIVER BREAK-DOWN PROTECTION SCHEME

BRIDGE SENSOR DC ERROR CANCELLATION SCHEME

DRIVE CIRCUIT FOR RESONANT MIRROR SCANNING SYSTEM