Compal Electronics, Inc.

Chih-Tarng Chuang

Chia-Chang Chen

Shao-Tsu Kung

Shih-Chin Lu

Yung-Hsiang Chen

Hong-Tien Wang

Wei-Chih Hsu

Shi-Kuan Chen

Chien-Hua Chen

Shih-Chin Gong

Tsang-Ming Chang

Chun-Te Shen

Kuo-Cheng Chu

Chiao-Hsin Lin

Chih-Kuo Chou

Yung-Ming Tien

Jeng-Jye Wu

Li-Jen Lee

Pei-Lun Chiu

Jian-Wei Hu

A control apparatus for a relay and controlling method thereof. The controlling method includes: detecting an input voltage of the relay and a current flowing through the relay; obtaining a voltage zero crossing point information according to the input voltage and a reference voltage value; turning on the relay at an initial turn-on time point according to the voltage zero crossing point information, and obtaining a real turn-on time point of the relay according to the current flowing through the relay; obtaining a turn-on delay of the relay according to the initial turn-on time point and the real turn-on time point, and adjusting the initial turn-on time point to obtain a compensated turn-on time point according to the turn-on delay.

Control apparatus for relay and controlling method thereof

An electronic apparatus and a controlling method thereof are provided. A fastened mechanism of the electronic apparatus is configured to secure a first housing and a second housing of the electronic apparatus. An operating object within a sensing range is sensed via a first sensor unit. A first sensing signal is sent to a control unit when the sensor unit sensed the operating object within the sensing range. A control signal is sent to the fastened mechanism for unlocking the fastened mechanism when the control unit receives the first sensing signal.

Electronic apparatus and controlling method thereof

A method for controlling battery recharging process is provided for an electronic device equipped with a battery. The method comprises entering a recharging smart mode. In the recharging smart mode, an actual capacity rate of the battery is determined. In the recharging smart mode, according to the actual capacity rate of the battery, a rechargeable capacity rate of the battery is changed. When the actual capacity rate is larger than a first capacity threshold value for a first predetermined time interval, the rechargeable capacity rate of the battery is decreased.

Method for controlling battery recharging process and electronic device

A method for charging a battery module including a plurality of parallelly-connected battery cell sets in multiple stages is provided. In the present invention, a constant current charging is applied for charging the battery module in an initial stage of charging through the method of voltage control or current control. Then, the charging current is lowered substantially to reduce the charging speed when the voltage of one of the battery cell sets exceeds a safety value or a total voltage of the battery module itself reaches a rated voltage. Accordingly, a safety problem of the battery can be avoided and battery life can be prolonged.

Method for charging battery module in multiple stages

A method for charging a battery module including a plurality of parallel-connected battery core sets is provided. In the present method, a constant charging current is provided for charging the battery module first. Then, the voltage of each parallel-connected battery core set in the battery module is determined whether reaches a nominal voltage. If it reaches the nominal voltage, the charging current or charging voltage applied to the battery module is adjusted for charging the parallel-connected battery core set having the maximum voltage with a constant voltage. Finally, it is determined whether the electric power of the battery module is fulfilled. If not yet fulfilled, a constant voltage is continuously supplied to the battery module for charging until the electric power of the battery module is full. Accordingly, the present invention can charge the battery more quickly with taking the safety of the battery into account.

Method for charging battery module

A power supply system with a remote control circuit and a power supply system operation method are provided. The power supply system uses a remote control power supply device and a battery to provide a system with power, while the remote control circuit includes a first-resistor, a first-operational amplifier, a second-operational amplifier and a selection circuit. The first-resistor herein is coupled between the remote control power supply device and the battery. The first-operational amplifier detects the current passing through the first resistor so as to output a first control signal. The second-operational amplifier detects the battery voltage so as to output a second control signal. The selection circuit outputs one of the first control signal and the second control signal with a lower voltage and the output signal is served as a remote control signal to adjust the voltage of the remote control power supply device.

Power supply system with remote control circuit and power supply system operation method

A power control apparatus and method for an electronic device is provided, which utilizes a charge current control module and a feedback signal control module to transfer the power control signal to a remote-controlled adapter through a feedback circuit, to control the output voltage of the remote-controlled adapter so as to adjust the charge current until the total input current supplied by the remote-controlled adapter is equal to the highest total input current. Therefore, the system of the electronic device can be provided with sufficient power to process needed procedures in a safe condition. Besides, according to the power required by the system of the electronic device, the controller can distribute the power for both the system and the battery in order to improve the efficiency of power use.

Power control apparatus

A power supply includes a power supply unit having an input end for receiving an oscillating voltage, and an output end for outputting a steady state voltage from the oscillating voltage according to a feedback signal, and a control circuit having a micro-controller having a first input port for receiving a measuring signal from a load, and decision logic for generating a control voltage according to the measuring signal, and a feedback controller having a first input end electrically connected to the output end of the power supply for receiving the steady state voltage, a second input end electrically connected to the micro-controller for receiving the control voltage from the micro-controller, and a output end for outputting the feedback signal according to the control voltage and the steady state voltage.

Power supply for outputting a steady state voltage according to a load requirement

Power limitation transformer circuit structure of power supply, including: an electromagnetic interference filter unit, a rectifying unit, a power factor correction section, a transformer having a primary input terminal and secondary input terminal, a pulse controlling unit connected with the secondary input terminal of the transformer, a primary power limitation circuit and at least one secondary power limitation circuit, an output current controlling unit and an output voltage controlling unit. The input terminal of the output current controlling unit is connected with the secondary output terminal of the transformer. The primary output terminal and secondary output terminal of the output current controlling unit are respectively serially connected with the primary and secondary power limitation circuits. The input terminal of the output voltage controlling unit is connected with the secondary output terminal of the transformer. The output terminal of the output voltage controlling unit is connected with the secondary power limitation circuit for controlling the magnitude of the voltage and current of the primary and secondary power limitation circuits so as to control the output power.

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Taipei, Taiwan

Chih-Tarng Chuang