Patents by Inventor Lain-ken Lin

Lain-ken Lin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Overvoltage protective device for DC motor
    Patent number: 7483249
    Abstract: An overvoltage protective device for DC motor is disclosed. The device includes a voltage-dividing circuit and a control unit, and is electrically connected to a DC motor in parallel. The voltage-dividing circuit has one end thereof electrically connected to an input voltage of the DC motor, and the other end thereof grounded. The control unit is electrically connected to a part of the voltage-dividing circuit for accessing a voltage level thereof and thereby driving the DC motor.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: January 27, 2009
    Assignee: Delta Electronics, Inc.
    Inventors: Lain-ken Lin, Magellan Chiu, Venson Kuo, Wen-shi Huang
  • Driving circuit for switches of direct current fan motor
    Patent number: 6982531
    Abstract: A driving circuit for switches of direct current fan motor is disclosed. The driving circuit includes a plurality of switches, a first control circuit, and a second circuit. The switches are driven by a first pulse width modulation signal and a second pulse width modulation signal, and they are electrically connected with the direct current fan motor in a bridge manner. A third pulse width modulation signal is used to drive the first control circuit connected to at least one of the switches driven by the first pulse width modulation signal. A fourth pulse width modulation signal is used to drive the second control circuit connected to at least one of the switches driven by the second pulse width modulation signal. Especially, either the first pulse width modulation signal or the second pulse width modulation signal is selected as the third pulse width modulation signal or the fourth pulse width modulation signal.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: January 3, 2006
    Assignee: Delta Electronics, Inc.
    Inventors: Lain-ken Lin, Sans Chang, Magellan Chiu, Wen-shi Huang
  • Overvoltage protective device for DC motor
    Publication number: 20040264086
    Abstract: An overvoltage protective device for DC motor is disclosed. The device includes a voltage-dividing circuit and a control unit, and is electrically connected to a DC motor in parallel. The voltage-dividing circuit has one end thereof electrically connected to an input voltage of the DC motor, and the other end thereof grounded. The control unit is electrically connected to a part of the voltage-dividing circuit for accessing a voltage level thereof and thereby driving the DC motor.
    Type: Application
    Filed: October 31, 2003
    Publication date: December 30, 2004
    Inventors: Lain-Ken Lin, Magellan Chiu, Venson Kuo, Wen-Shi Huang
  • Driving circuit for switches of direct current fan motor
    Publication number: 20040264948
    Abstract: A driving circuit for switches of direct current fan motor is disclosed. The driving circuit includes a plurality of switches, a first control circuit, and a second circuit. The switches are driven by a first pulse width modulation signal and a second pulse width modulation signal, and they are electrically connected with the direct current fan motor in a bridge manner. A third pulse width modulation signal is used to drive the first control circuit connected to at least one of the switches driven by the first pulse width modulation signal. A fourth pulse width modulation signal is used to drive the second control circuit connected to at least one of the switches driven by the second pulse width modulation signal. Especially, either the first pulse width modulation signal or the second pulse width modulation signal is selected as the third pulse width modulation signal or the fourth pulse width modulation signal.
    Type: Application
    Filed: August 29, 2003
    Publication date: December 30, 2004
    Inventors: Lain-ken Lin, Sans Chang, Magellan Chiu, Wen-shi Huang