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    • 11. 发明申请
    • METHOD AND APPARATUS FOR DETECTING POSITION AND STARTUP A SENSORLESS MOTOR
    • 用于检测位置并启动无传感电机的方法和装置
    • US20140103909A1
    • 2014-04-17
    • US14048037
    • 2013-10-08
    • Yi-Chi LinYung-Sheng Wu
    • Yi-Chi LinYung-Sheng Wu
    • G01B7/00
    • G01B7/00G01D5/20H02P6/182H02P6/20
    • A method and a circuit for detecting positions for a motor are provided. The circuit includes a control circuit for generating PWM signals, high-side transistors and low-side transistors, resistors and a microcontroller. The high-side transistors and the low-side transistors generate voltage signals configured to drive the motor. The resistors coupled to the low-side transistors generate sensing signals in response to motor currents and back-EMF signals. The microcontroller controls the control circuit. the PWM signals are utilized to control the high-side transistors and the low-side transistor for generating the voltage signals. The high-side transistors are coupled to the input power source. The low-side transistors are coupled to the ground via the resistors. The control circuit determines the motor position in accordance with the sensing signals.
    • 提供了一种用于检测电动机位置的方法和电路。 该电路包括用于产生PWM信号的控制电路,高侧晶体管和低侧晶体管,电阻器和微控制器。 高侧晶体管和低侧晶体管产生构造成驱动电动机的电压信号。 耦合到低侧晶体管的电阻器响应于电机电流和反电动势信号产生感测信号。 微控制器控制控制电路。 PWM信号用于控制用于产生电压信号的高侧晶体管和低侧晶体管。 高侧晶体管耦合到输入电源。 低端晶体管通过电阻耦合到地。 控制电路根据感测信号确定电机位置。
    • 12. 发明申请
    • SENSORLESS MOTOR APPARATUS, BACK EMF DETECTOR AND DETECTION METHOD THEREOF
    • 无感电动机装置,反电动势检测装置及其检测方法
    • US20140035500A1
    • 2014-02-06
    • US13563701
    • 2012-07-31
    • Yi-Chi LinChih-Ping YinShih-Jen Yang
    • Yi-Chi LinChih-Ping YinShih-Jen Yang
    • H02P6/18
    • H02P6/085H02P6/182
    • A back electromotive force (EMF) detector for a motor is disclosed. The back EMF detector includes an upper switch, a lower switch, a current sensing resistor and a first to third resistance providers. The upper and lower switches are controlled by a first and a second control signal respectively. The current sensing resistor coupled between the lower switch and a reference ground voltage. A first terminal of the first resistance provider coupled to the upper switch, and a back EMF detection result is generated at a second terminal of the first resistance provider. The second resistance provider coupled between the reference ground voltage and the first resistance provider. The third resistance provider is coupled between the coupled terminal of the first and second resistance provider and the lower switch. Wherein, the first to the third resistance providers are determined by at least one characteristic parameter of the motor.
    • 公开了一种用于电动机的反电动势(EMF)检测器。 反电动势检测器包括上开关,下开关,电流感测电阻器和第一至第三电阻提供器。 上下开关分别由第一和第二控制信号控制。 电流检测电阻耦合在下开关和参考接地电压之间。 耦合到上部开关的第一电阻提供器的第一端子和在第一电阻提供器的第二端子处产生反电动势检测结果。 第二电阻提供器耦合在参考地电压和第一电阻提供器之间。 第三电阻提供器耦合在第一和第二电阻提供器的耦合端与下开关之间。 其中,第一至第三阻力提供者由电动机的至少一个特征参数决定。
    • 14. 发明授权
    • Sensorless motor apparatus, back EMF detector and detection method thereof
    • 无传感器电机装置,反电动势检测装置及其检测方法
    • US08760099B2
    • 2014-06-24
    • US13563701
    • 2012-07-31
    • Yi-Chi LinChih-Ping YinShih-Jen Yang
    • Yi-Chi LinChih-Ping YinShih-Jen Yang
    • H02P6/18H02P6/08
    • H02P6/085H02P6/182
    • A back electromotive force (EMF) detector for a motor is disclosed. The back EMF detector includes an upper switch, a lower switch, a current sensing resistor and a first to third resistance providers. The upper and lower switches are controlled by a first and a second control signal respectively. The current sensing resistor coupled between the lower switch and a reference ground voltage. A first terminal of the first resistance provider coupled to the upper switch, and a back EMF detection result is generated at a second terminal of the first resistance provider. The second resistance provider coupled between the reference ground voltage and the first resistance provider. The third resistance provider is coupled between the coupled terminal of the first and second resistance provider and the lower switch. Wherein, the first to the third resistance providers are determined by at least one characteristic parameter of the motor.
    • 公开了一种用于电动机的反电动势(EMF)检测器。 反电动势检测器包括上开关,下开关,电流感测电阻器和第一至第三电阻提供器。 上下开关分别由第一和第二控制信号控制。 电流检测电阻耦合在下开关和参考接地电压之间。 耦合到上部开关的第一电阻提供器的第一端子和在第一电阻提供器的第二端子处产生反电动势检测结果。 第二电阻提供器耦合在参考地电压和第一电阻提供器之间。 第三电阻提供器耦合在第一和第二电阻提供器的耦合端与下开关之间。 其中,第一至第三阻力提供者由电动机的至少一个特征参数决定。
    • 15. 发明授权
    • Hand-held electronic device
    • 手持电子设备
    • US08089778B2
    • 2012-01-03
    • US12139572
    • 2008-06-16
    • Yi-Shen WangYi-Chi Lin
    • Yi-Shen WangYi-Chi Lin
    • H05K7/14
    • G06F1/1626G06F1/1643G06F1/1656G06F3/0488
    • A hand-held electronic device including a body, a touch-sensing display area, and a holding area is provided. The touch-sensing display area located at a surface of the body is divided into several sub-touch-sensing areas disposed at a part of a surrounding region of the touch-sensing display area. The sub-touch-sensing areas have at least one access-sensing region. The access-sensing region is used for sensing a touch-control action so as to render the hand-held electronic device to perform a function corresponding to the touch-control action. The holding area is disposed outside the sub-touch-sensing areas. When a user only intends to hold the hand-held electronic device, the user's hands can put on the holding area and the hand-held electronic device would not perform any corresponding function.
    • 提供了包括主体,触摸感测显示区域和保持区域的手持式电子设备。 位于身体表面的触摸感测显示区域被分成设置在触摸感测显示区域的周围区域的一部分的若干子触摸感测区域。 子触摸感测区域具有至少一个访问感测区域。 访问感测区域用于感测触摸控制动作,以使得手持式电子设备执行与触摸控制动作对应的功能。 保持区域设置在子触摸感测区域的外侧。 当用户仅想要握住手持电子设备时,用户的手可以放在保持区域上,并且手持电子设备将不执行任何相应的功能。