Patents by Inventor Sun-mo Kim
Sun-mo Kim 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).
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Publication number: 20240154147Abstract: An apparatus for manufacturing a pouch-type rechargeable battery includes a preforming portion forming a folding groove in a portion of a protrusion of the pouch-type rechargeable battery, a folding portion disposed on a rear end of the preforming portion and folding the protrusion along the folding groove, a rolling portion disposed on a rear end of the folding portion and pressing the folded protrusion, and a pressing portion disposed on a rear end of the rolling portion and fixing the folded protrusion.Type: ApplicationFiled: November 2, 2023Publication date: May 9, 2024Inventors: Seung Won Choi, Dong Ju Kim, Sun Min Park, Sang Mo Kim, Jae Gyu Byun, Won Je Oh, Taek Eon Jeong, Ju Won Hwang
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Patent number: 7880181Abstract: Disclosed is a light emitting diode (LED) for enhancing the current spreading performance. The LED includes a plurality of contact holes exposing an N-type semiconductor layer through a P-type semiconductor layer and an active layer, and a connection pattern electrically connecting exposed portions of the N-type semiconductor layer through the contact holes, thereby enhancing current spreading in the N-type semiconductor layer. In addition, disclosed is an LED including a plurality of light emitting cells spaced apart from one another on an N-type semiconductor layer and an N-contact layer between the light emitting cells. A plurality of light emitting cells are employed in the LED, so that current can be spread in the LED.Type: GrantFiled: May 19, 2008Date of Patent: February 1, 2011Assignee: Seoul Opto Device Co., Ltd.Inventors: Yeo Jin Yoon, Kyu Ho Lee, Sun Mo Kim, Ki Soo Joo
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Patent number: 7835253Abstract: An actuator used with an optical pickup includes: a base on which a holder is fixed; a lens holder in which a plurality of installation holes are formed such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights; a support member, which movably supports the lens holder, having one end coupled to the lens holder and the other end coupled to the holder; and a magnetic circuit which drives the lens holder in focusing and tracking directions. The plurality of installation holes include a first installation hole in which a first objective lens for at least one type of low density optical disc is installed, and a second installation hole in which a second objective lens for a higher density optical disc than the low density optical disc is installed.Type: GrantFiled: September 23, 2008Date of Patent: November 16, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-jung Kim, Yong-hoon Lee, Sun-mo Kim
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Publication number: 20090039359Abstract: Disclosed is a light emitting diode (LED) for enhancing the current spreading performance. The LED includes a plurality of contact holes exposing an N-type semiconductor layer through a P-type semiconductor layer and an active layer, and a connection pattern electrically connecting exposed portions of the N-type semiconductor layer through the contact holes, thereby enhancing current spreading in the N-type semiconductor layer. In addition, disclosed is an LED including a plurality of light emitting cells spaced apart from one another on an N-type semiconductor layer and an N-contact layer between the light emitting cells. A plurality of light emitting cells are employed in the LED, so that current can be spread in the LED.Type: ApplicationFiled: May 19, 2008Publication date: February 12, 2009Applicant: SEOUL OPTO DEVICE CO., LTD.Inventors: Yeo Jin YOON, Kyu Ho LEE, Sun Mo KIM, Ki Soo JOO
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Publication number: 20090016178Abstract: An actuator used with an optical pickup includes: a base on which a holder is fixed; a lens holder in which a plurality of installation holes are formed such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights; a support member, which movably supports the lens holder, having one end coupled to the lens holder and the other end coupled to the holder; and a magnetic circuit which drives the lens holder in focusing and tracking directions. The plurality of installation holes include a first installation hole in which a first objective lens for at least one type of low density optical disc is installed, and a second installation hole in which a second objective lens for a higher density optical disc than the low density optical disc is installed.Type: ApplicationFiled: September 23, 2008Publication date: January 15, 2009Applicant: Samsung Electronics Co., Ltd.Inventors: Seok-jung Kim, Yong-hoon Lee, Sun-mo Kim
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Patent number: 7458086Abstract: An actuator used with an optical pickup includes: a base on which a holder is fixed; a lens holder in which a plurality of installation holes are formed such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights; a support member, which movably supports the lens holder, having one end coupled to the lens holder and the other end coupled to the holder; and a magnetic circuit which drives the lens holder in focusing and tracking directions. The plurality of installation holes include a first installation hole in which a first objective lens for at least one type of low density optical disc is installed, and a second installation hole in which a second objective lens for a higher density optical disc than the low density optical disc is installed.Type: GrantFiled: February 14, 2005Date of Patent: November 25, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-Jung Kim, Yong-hoon Lee, Sun-mo Kim
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Patent number: 7219359Abstract: An actuator for an optical pickup having a base on which a holder is fixed, a bobbin, a support member, and a magnetic circuit. Pluralities of installation holes are formed in the bobbin such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights. The support member has one end coupled to the bobbin and the other end coupled to the holder movably supports the bobbin. The magnetic circuit drives the bobbin in focusing and tracking directions. The magnetic circuit is divided into a first magnetic circuit to drive the objective lenses in the focusing direction, and a second magnetic circuit to drive the objective lenses in the tracking direction, thereby reducing the weight of a moving portion.Type: GrantFiled: December 23, 2004Date of Patent: May 15, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-jung Kim, Yong-hoon Lee, Sun-mo Kim
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Patent number: 7178156Abstract: A disk cartridge has a reflection portion to identify a kind of a disk in the disk cartridge. A disk drive apparatus has an optical detector to identify the kind of the disk by irradiating a beam to the reflection portion and detecting the reflected beam. The disk cartridge and the disk drive apparatus provide identification marks for identifying the kind of the disk by varying the angle and amount of a beam reflected from the reflection portions on the disk cartridge. Therefore, the kind of a disk and the type of a disk format are identified as well as the storage capacity of the disk.Type: GrantFiled: October 3, 2005Date of Patent: February 13, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Han-kook Choi, Sun-mo Kim, Yong-hoon Lee, Chong-sam Chung, Seok-jung Kim
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Patent number: 7131128Abstract: An optical pickup actuator for use with a recording medium includes a swing arm pivoting in a tracking direction with respect to the recording medium, a first driving unit pivoting the swing arm, an optical pickup facing the recording medium, an elastic member having one end fixed to the swing arm and a free end portion elastically deformable in a focus direction with respect to the recording medium, wherein the optical pickup is coupled to the free end portion of the elastic member, and a second driving unit deforming and driving the elastic member.Type: GrantFiled: November 7, 2003Date of Patent: October 31, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-jung Kim, Kim Kwang, Chong-sam Chung, Hae-jung Suh, Sun-mo Kim, Jin-won Lee
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Patent number: 7043744Abstract: A disk cartridge has a reflection portion to identify a kind of a disk in the disk cartridge. A disk drive apparatus has an optical detector to identify the kind of the disk by irradiating a beam to the reflection portion and detecting the reflected beam. The disk cartridge and the disk drive apparatus provide identification marks for identifying the kind of the disk by varying the angle and amount of a beam reflected from the reflection portions on the disk cartridge. Therefore, the kind of a disk and the type of a disk format are identified as well as the storage capacity of the disk.Type: GrantFiled: October 17, 2002Date of Patent: May 9, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Han-kook Choi, Sun-mo Kim, Yong-hoon Lee, Chong-sam Chung, Seok-jung Kim
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Patent number: 7020887Abstract: In a disc cartridge and a disc drive apparatus, a disc cartridge has an identification opening where an identification plate is installed to be capable of sliding. A probing portion is installed at the disc drive apparatus and is turned on or off by interference with the identification opening. Thus, the type of a disc can be identified by the on/off actions, that is, by interference with the identification plate and probing portion.Type: GrantFiled: November 13, 2001Date of Patent: March 28, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Sun-mo Kim, Han-kook Choi
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Publication number: 20060064714Abstract: A disk cartridge has a reflection portion to identify a kind of a disk in the disk cartridge. A disk drive apparatus has an optical detector to identify the kind of the disk by irradiating a beam to the reflection portion and detecting the reflected beam. The disk cartridge and the disk drive apparatus provide identification marks for identifying the kind of the disk by varying the angle and amount of a beam reflected from the reflection portions on the disk cartridge. Therefore, the kind of a disk and the type of a disk format are identified as well as the storage capacity of the disk.Type: ApplicationFiled: October 3, 2005Publication date: March 23, 2006Applicant: Samsung Electronics Co., Ltd.Inventors: Han-kook Choi, Sun-mo Kim, Yong-hoon Lee, Chong-sam Chung, Seok-jung Kim
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Patent number: 7005173Abstract: An optical disk for a mobile device is provided. The optical disk includes a substrate, having an outer diameter less than 120 mm and not smaller than 30 mm and a thickness less than 1.1 mm and not smaller than 0.40 mm, so that a deflection angle of 0.7° or smaller can be obtained. Alternatively, the optical disk includes a substrate, having an outer diameter not smaller than 30 mm and a thickness not smaller than 0.435 mm, so that a deflection angle of 0.6° or smaller is obtained.Type: GrantFiled: March 10, 2004Date of Patent: February 28, 2006Assignee: Samsung Electronics Co., Ltd.Inventors: Myong-do Ro, In-sik Park, Sun-mo Kim, Chang-min Park
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Publication number: 20050190663Abstract: An actuator used with an optical pickup includes: a base on which a holder is fixed; a lens holder in which a plurality of installation holes are formed such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights; a support member, which movably supports the lens holder, having one end coupled to the lens holder and the other end coupled to the holder; and a magnetic circuit which drives the lens holder in focusing and tracking directions. The plurality of installation holes include a first installation hole in which a first objective lens for at least one type of low density optical disc is installed, and a second installation hole in which a second objective lens for a higher density optical disc than the low density optical disc is installed.Type: ApplicationFiled: February 14, 2005Publication date: September 1, 2005Applicant: Samsung Electronics Co., Ltd.Inventors: Seok-jung Kim, Yong-hoon Lee, Sun-mo Kim
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Patent number: 6928045Abstract: A disc clamping apparatus includes an upper clamper holder, a lower clamper holder which is combined with the upper clamper holder, a clamper which is movably installed between the upper clamper holder and the lower clamper holder and clamps a disc that is disposed on a turntable, a first magnetic member installed between the upper clamper holder and the lower clamper holder, a second magnetic member installed on the turntable to face the first magnetic member so that a magnetic force operates between the first magnetic member and the second magnetic member to clamp the disc and an elastic member disposed between the upper clamper holder and the clamper so as to provide an elastic force to push the clamper against the disc. The disc clamping apparatus clamps discs having various thicknesses. Also, a clamping force of the disc clamping apparatus is changed in proportion to the thickness of the disc, and thus a proper clamping force can be applied to the disc based on the thickness of the disc.Type: GrantFiled: September 3, 2002Date of Patent: August 9, 2005Assignee: Samsung Electronics Co., Ltd.Inventors: Jae-yong Eum, Sun-mo Kim
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Publication number: 20050105408Abstract: An actuator for an optical pickup having a base on which a holder is fixed, a bobbin, a support member, and a magnetic circuit. Pluralities of installation holes are formed in the bobbin such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights. The support member has one end coupled to the bobbin and the other end coupled to the holder movably supports the bobbin. The magnetic circuit drives the bobbin in focusing and tracking directions. The magnetic circuit is divided into a first magnetic circuit to drive the objective lenses in the focusing direction, and a second magnetic circuit to drive the objective lenses in the tracking direction, thereby reducing the weight of a moving portion.Type: ApplicationFiled: December 23, 2004Publication date: May 19, 2005Applicant: Samsung Electronics Co., Ltd.Inventors: Seok-jung Kim, Yong-hoon Lee, Sun-mo Kim
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Patent number: 6895593Abstract: An actuator for an optical pickup having a base on which a holder is fixed, a bobbin, a support member, and a magnetic circuit. A plurality of installation holes are formed in the bobbin such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights. The support member has one end coupled to the bobbin and the other end coupled to the holder movably supports the bobbin. The magnetic circuit drives the bobbin in focusing and tracking directions. The magnetic circuit is divided into a first magnetic circuit to drive the objective lenses in the focusing direction, and a second magnetic circuit to drive the objective lenses in the tracking direction, thereby reducing the weight of a moving portion.Type: GrantFiled: September 20, 2002Date of Patent: May 17, 2005Assignee: Samsung Electronics Co., Ltd.Inventors: Seok-jung Kim, Yong-hoon Lee, Sun-mo Kim
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Publication number: 20040267912Abstract: A method for downloading non-standard MIME type files onto a terminal including determining whether or not a type of the MIME file is supported by the terminal, and downloading a handler to process the MIME file if the type of MIME file is not supported by the terminal.Type: ApplicationFiled: June 10, 2004Publication date: December 30, 2004Applicant: LG ELECTRONICS INC.Inventor: Sun-Mo Kim
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Publication number: 20040229005Abstract: An optical disk for a mobile device is provided. The optical disk includes a substrate, having an outer diameter less than 120 mm and not smaller than 30 mm and a thickness less than 1.1 mm and not smaller than 0.40 mm, so that a deflection angle of 0.7° or smaller can be obtained. Alternatively, the optical disk includes a substrate, having an outer diameter not smaller than 30 mm and a thickness not smaller than 0.435 mm, so that a deflection angle of 0.6° or smaller is obtained.Type: ApplicationFiled: March 10, 2004Publication date: November 18, 2004Applicant: Samsung Electronics Co., Ltd.Inventors: Myong-do Ro, In-sik Park, Sun-mo Kim, Chang-min Park
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Publication number: 20040148619Abstract: An optical pickup actuator for use with a recording medium includes a swing arm pivoting in a tracking direction with respect to the recording medium, a first driving unit pivoting the swing arm, an optical pickup facing the recording medium, an elastic member having one end fixed to the swing arm and a free end portion elastically deformable in a focus direction with respect to the recording medium, wherein the optical pickup is coupled to the free end portion of the elastic member, and a second driving unit deforming and driving the elastic member.Type: ApplicationFiled: November 7, 2003Publication date: July 29, 2004Applicant: Samsung Electronics Co., Ltd.Inventors: Seok-jung Kim, Kim Kwang, Chong-sam Chung, Hae-jung Suh, Sun-mo Kim, Jin-won Lee