Patents by Inventor Yun Seop Shin
Yun Seop Shin 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).
-
Publication number: 20230104796Abstract: The following disclosure relates to a planar transformer and a bobbin assembly applied thereto, and more particularly, to a planar transformer in which pins may be firmly fixed through a bobbin body, a bobbin assembly may be conveniently assembled to a transformer board using snap protrusions of the bobbin body, and a total height of the planar transformer may be lowered using a flange part at the time of mounting the planar transformer, and a bobbin assembly applied thereto.Type: ApplicationFiled: March 2, 2022Publication date: April 6, 2023Inventors: Yun Sic BANG, Dong Kyun RYU, Yun Seop SHIN, Sang Keun JI
-
Patent number: 8654552Abstract: There is provided an interleaved type power factor correction circuit having a transformer forming a separated winding structure, which is formed by integrating two inductors separately wound around the transformer. The interleaved type power factor correction circuit including a rectifying unit rectifying a commercial alternating current power, a transformer having a first inductor winding and a second inductor winding, a bobbin part, and a core part, a switching unit switching a power transmitted to the first and second inductor windings, a controlling unit controlling a switching operation of the switching unit in order to allow a phase difference between a current and a voltage of the switched power to satisfy a predetermined phase difference, and a stabilizing unit stabilizing the switched power from the switching unit.Type: GrantFiled: February 16, 2011Date of Patent: February 18, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yun Seop Shin, Sung Uk Lee
-
Patent number: 8441270Abstract: There is provided an alternating current (AC) detection circuit for power supply, the AC circuit including: a rectifying part rectifying an AC voltage; a voltage division part dividing the voltage rectified by the rectifying part according to a preset division ratio; a voltage stabilization circuit part stabilizing the voltage divided by the voltage division part; and a first square wave generating part comparing the voltage stabilized by the voltage stabilization circuit part with an internal reference voltage, and generating a first square wave signal having a duty ratio according to comparison results between the stabilized voltage and the internal reference.Type: GrantFiled: December 30, 2009Date of Patent: May 14, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Uk Lee, Dong Kyun Ryu, Nam Su Koo, Kyung Hyun Kim, Seung Heun Yang, Tai Sung Kim, Jae Han Yoon, Peel Sik Jeon, Yun Seop Shin, Kyung Su Han
-
Patent number: 8362790Abstract: There is provided an alternating current (AC) detection circuit for a power supply, the circuit including: a rectifying part rectifying an AC voltage; a voltage division part dividing the voltage rectified by the rectifying part according to a preset division ratio; a voltage stabilization circuit part stabilizing the voltage divided by the voltage division part; a comparing part comparing the voltage stabilized by the voltage stabilization circuit part with an internal reference voltage and generating an input detection signal when the stabilized voltage is higher than the internal reference voltage; and an output part outputting an AC detection signal when the input detection signal is inputted from the comparing part.Type: GrantFiled: December 2, 2009Date of Patent: January 29, 2013Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Uk Lee, Dong Kyun Ryu, Kyung Hyun Kim, Seung Heun Yang, Tai Sung Kim, Jae Han Yoon, Peel Sik Jeon, Yun Seop Shin, Kyung Su Han
-
Patent number: 8259475Abstract: There is provided a circuit for discharging AC power including: a first rectifier rectifying AC power inputted from an AC power line; an electro-magnetic interference (EMI) removing unit installed between the AC power line and the first rectifier to suppress EMI of the AC power; a discharging signal generator generating a discharging signal from the AC power; and a discharging unit including a discharging resistor for discharging a voltage charged in the EMI removing unit according to the discharging signal, whereby standby power consumption may be reduced when the AC power is inputted and the voltage charged in a capacitor for removing EMI may be discharged to meet a predetermined safety standard when the AC power is blocked.Type: GrantFiled: March 1, 2011Date of Patent: September 4, 2012Assignee: Samsung Electro-Mechanics Co. Ltd.Inventors: Yun Seop Shin, Ki Eun Lee
-
Publication number: 20120134185Abstract: There is provided a circuit for discharging AC power including: a first rectifier rectifying AC power inputted from an AC power line; an electro-magnetic interference (EMI) removing unit installed between the AC power line and the first rectifier to suppress EMI of the AC power; a discharging signal generator generating a discharging signal from the AC power; and a discharging unit including a discharging resistor for discharging a voltage charged in the EMI removing unit according to the discharging signal, whereby standby power consumption may be reduced when the AC power is inputted and the voltage charged in a capacitor for removing EMI may be discharged to meet a predetermined safety standard when the AC power is blocked.Type: ApplicationFiled: March 1, 2011Publication date: May 31, 2012Inventors: Yun Seop SHIN, Ki Eun Lee
-
Publication number: 20120039094Abstract: There is provided an interleaved type power factor correction circuit having a transformer forming a separated winding structure, which is formed by integrating two inductors separately wound around the transformer. The interleaved type power factor correction circuit including a rectifying unit rectifying a commercial alternating current power, a transformer having a first inductor winding and a second inductor winding, a bobbin part, and a core part, a switching unit switching a power transmitted to the first and second inductor windings, a controlling unit controlling a switching operation of the switching unit in order to allow a phase difference between a current and a voltage of the switched power to satisfy a predetermined phase difference, and a stabilizing unit stabilizing the switched power from the switching unit.Type: ApplicationFiled: February 16, 2011Publication date: February 16, 2012Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yun Seop SHIN, Sung Uk LEE
-
Publication number: 20110013435Abstract: There is provided an alternating current (AC) detection circuit for power supply, the AC circuit including: a rectifying part rectifying an AC voltage; a voltage division part dividing the voltage rectified by the rectifying part according to a preset division ratio; a voltage stabilization circuit part stabilizing the voltage divided by the voltage division part; and a first square wave generating part comparing the voltage stabilized by the voltage stabilization circuit part with an internal reference voltage, and generating a first square wave signal having a duty ratio according to comparison results between the stabilized voltage and the internal referenceType: ApplicationFiled: December 30, 2009Publication date: January 20, 2011Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Uk LEE, Dong Kyun RYU, Nam Su KOO, Kyung Hyun KIM, Seung Heun YANG, Tai Sung KIM, Jae Han YOON, Peel Sik JEON, Yun Seop SHIN, Kyung Su HAN
-
Publication number: 20100321000Abstract: There is provided an alternating current (AC) detection circuit for a power supply, the circuit including: a rectifying part rectifying an AC voltage; a voltage division part dividing the voltage rectified by the rectifying part according to a preset division ratio; a voltage stabilization circuit part stabilizing the voltage divided by the voltage division part; a comparing part comparing the voltage stabilized by the voltage stabilization circuit part with an internal reference voltage and generating an input detection signal when the stabilized voltage is higher than the internal reference voltage; and an output part outputting an AC detection signal when the input detection signal is inputted from the comparing part.Type: ApplicationFiled: December 2, 2009Publication date: December 23, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Uk LEE, Dong Kyun Ryu, Kyung Hyun Kim, Seung Heun Yang, Tai Sung Kim, Jae Han Yoon, Peel Sik Jeon, Yun Seop Shin, Kyung Su Han