Changchun Li

Person

Concord, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Robot charging dock with illuminated charge connector
- Patent number 12,162,141
- Issue date Dec 10, 2024
- Locus Robotics Corp.
- Michael Sussman
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Rolling shutter compensation for moving digital optical camera sensors
- Patent number 11,405,557
- Issue date Aug 2, 2022
- Locus Robotics Corp.
- Changchun Li
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Method and system for queue length analysis
- Patent number 11,250,644
- Issue date Feb 15, 2022
- Sensormatic Electronics, LLC
- Ian C. Westmacott
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for queue length analysis
- Patent number 10,445,589
- Issue date Oct 15, 2019
- Sensormatic Electronics, LLC
- Ian C. Westmacott
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system to characterize video background changes as aband...
- Patent number 10,235,599
- Issue date Mar 19, 2019
- Sensormatic Electronics, LLC
- Changchun Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system to characterize video background changes as aband...
- Patent number 10,043,105
- Issue date Aug 7, 2018
- Sensormatic Electronics, LLC
- Changchun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for queue length analysis
- Patent number 9,965,684
- Issue date May 8, 2018
- Sensormatic Electronics, LLC
- Ian Westmacott
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system to characterize video background changes as aband...
- Patent number 9,237,316
- Issue date Jan 12, 2016
- Sensormatic Electronics, LLC
- Changchun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Visual Robot Pose Estimation
- Publication number 20250068165
- Publication date Feb 27, 2025
- Locus Robotics Corp.
- Changchun Li
- G05 - CONTROLLING REGULATING
Information Patent Application
ROBOT CHARGING DOCK WITH ILLUMINATED CHARGE CONNECTOR
- Publication number 20230150150
- Publication date May 18, 2023
- Locus Robotics Corp.
- Michael Sussman
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Calibration of a Lidar Sensor
- Publication number 20230034492
- Publication date Feb 2, 2023
- Locus Robotics Corp.
- Changchun Li
- G01 - MEASURING TESTING
Information Patent Application
Method and System for Queue Length Analysis
- Publication number 20190392222
- Publication date Dec 26, 2019
- SENSORMATIC ELECTRONICS, LLC
- Ian C. Westmacott
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and System to Characterize Video Background Changes as Aband...
- Publication number 20180330189
- Publication date Nov 15, 2018
- SENSORMATIC ELECTRONICS, LLC
- Changchun Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Queue Length Analysis
- Publication number 20180218223
- Publication date Aug 2, 2018
- SENSORMATIC ELECTRONICS, LLC
- Ian C. Westmacott
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and System for Queue Length Analysis
- Publication number 20160180173
- Publication date Jun 23, 2016
- SENSORMATIC ELECTRONICS, LLC
- Ian Westmacott
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and System to Characterize Video Background Changes as Aband...
- Publication number 20160092753
- Publication date Mar 31, 2016
- SENSORMATIC ELECTRONICS, LLC
- Changchun Li
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and System to Characterize Video Background Changes as Aband...
- Publication number 20140247362
- Publication date Sep 4, 2014
- SENSORMATIC ELECTRONICS, LLC
- Changchun Li
- G06 - COMPUTING CALCULATING COUNTING

Changchun Li

Person

Patents Grantslast 30 patents

Robot charging dock with illuminated charge connector

Rolling shutter compensation for moving digital optical camera sensors

Method and system for queue length analysis

Method and system for queue length analysis

Method and system to characterize video background changes as aband...

Method and system to characterize video background changes as aband...

Method and system for queue length analysis

Method and system to characterize video background changes as aband...

Patents Applicationslast 30 patents

Visual Robot Pose Estimation

ROBOT CHARGING DOCK WITH ILLUMINATED CHARGE CONNECTOR

Calibration of a Lidar Sensor

Method and System for Queue Length Analysis

Method and System to Characterize Video Background Changes as Aband...

Method and System for Queue Length Analysis

Method and System for Queue Length Analysis

Method and System to Characterize Video Background Changes as Aband...

Method and System to Characterize Video Background Changes as Aband...