14 patents
Utility
Fault Detection for Battery Management Systems
29 Jul 21
A battery management system includes multiple sensors, status detection circuitry, and fault detection circuitry.
Guoxing LI
Filed: 13 Apr 21
Utility
Open Cell Detection Systems and Methods
25 Nov 20
An open cell detection system includes a battery management system.
Yan LI, Weidong XUE
Filed: 21 May 20
Utility
Controller and Battery Management Methods
4 Nov 20
A controller for managing a battery pack includes: a detection terminal, for transmitting an enable signal when values of battery parameters for the battery pack satisfy a sleep condition, where the enable signal enables the detection circuit to detect whether the battery pack is connected to a load and whether the battery pack is connected to the charger; and a receiving terminal, for receiving a detection result transmitted by the detection circuit.
Yingguo ZHANG, Guoyan QIAO, Fu-Jen Hsieh, Chia-Ming CHANG, Chih-Chung CHOU, Hua-Yi WANG
Filed: 23 Feb 20
Utility
Systems and Methods for Controlling Battery Current
14 Oct 20
A battery system comprising multiple battery packs.
Guoxing LI
Filed: 25 Jun 20
Utility
Controllers, Systems, and Methods for Driving a Light Source
29 Jul 20
A controller includes a voltage detection terminal, a current detection terminal and a voltage sensing terminal.
Sheng-tai LEE, Kaiping RAN
Filed: 9 Apr 20
Utility
Calculating a Remaining Capacity of a Battery
3 Jun 20
A method for calculating a remaining capacity of a battery includes: recording a sleep time of a battery monitor in sleep mode; reading an open circuit voltage measured and stored in sleep mode when the sleep time is greater than a preset time period and determining a first remaining capacity ratio based on the open circuit voltage; calculating charges consumed based on a preset current and the sleep time; calculating a second remaining capacity ratio based on charges consumed, a stored first remaining capacity value and a preset total capacity; reading values of battery parameters; determining a third remaining capacity ratio based on the values of battery parameters; and determining a current remaining capacity ratio based on the first remaining capacity ratio, the second remaining capacity ratio and the third remaining capacity ratio.
Sterling DU, Yong SONG, Yi YUAN, Ruobing REN
Filed: 19 Feb 19
Utility
Battery Protection Systems
13 May 20
A battery protection system includes a sensor, a primary protection circuit, coupled to the sensor, and a secondary protection circuit, coupled to the primary protection circuit and the sensor.
Guoxing LI
Filed: 5 Nov 19
Utility
Charge/discharge Switch Control Circuits for Batteries
13 May 20
A charge/discharge switch control circuit for a battery pack includes a set of driving terminals and detection circuitry coupled to the driving terminals.
Guoxing LI
Filed: 15 Jan 20
Utility
Managing Power In a Portable Device Comprising Multiple Batteries
22 Apr 20
In a portable device, a first battery has a positive terminal coupled to, through a first switch, an interface used to receive input power, and a negative terminal coupled to a reference terminal.
Guoxing LI
Filed: 8 Oct 19
Utility
Predicting a Potential Fault In a Battery
8 Apr 20
In a status detection system, a data acquisition circuit monitors statuses of a battery to generate status data.
Guoxing LI
Filed: 15 Jul 19
Utility
Light Source Driving Circuits and Light Source Module
11 Mar 20
A light source driving circuit includes a rectifier operable for rectifying a voltage from a power source and providing a rectified voltage, a power converter coupled to the rectifier and operable for receiving the rectified voltage and providing an output current, and a light source module coupled to the power converter and powered by the output current.
Ching-Chuan KUO
Filed: 11 Feb 16
Utility
Battery Protection Systems
23 Oct 19
A system includes multiple protection modules.
Guoxing LI
Filed: 25 Mar 19
Utility
Controller, Light Source Driving Circuit and Method for Controlling Light Source Module
23 Oct 19
A controller includes a current input terminal, a switch monitoring terminal, a first control terminal, a second control terminal and a current monitoring terminal.
Zhimou REN, Yanjun LI, Binqiang LI, Zhenqiu HU
Filed: 2 Apr 19
Utility
Balance Circuits for Battery Cells
9 Oct 19
A balance circuit for a set of battery cells includes a set of switch circuits and control circuitry coupled to the switch circuits.
Guoxing LI
Filed: 20 Mar 19
- Prev
- 1
- Next
Patents are sorted by USPTO publication date, most recent first