Patents by Inventor Sio Kuan Lam
Sio Kuan Lam 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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Patent number: 9910289Abstract: A miniature lens driving apparatus includes an optical image stabilization mechanism having a lens holder for holding therein a lens which defines an optical axis, an autofocus mechanism having an autofocus moving platform, and a plurality of wires adapted to couple the lens holder with the autofocus moving platform. The optical image stabilization mechanism is capable of moving the lens holder along a direction substantially perpendicular to the optical axis, and the autofocus mechanism is capable of moving the autofocus moving platform along the optical axis.Type: GrantFiled: May 15, 2015Date of Patent: March 6, 2018Assignee: Sunming Technologies (HK) LimitedInventor: Sio Kuan Lam
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Patent number: 9766426Abstract: A miniature lens driving apparatus includes plurality of wires, an optical image stabilizing (OIS) mechanism having a lens holder, at least one magnet, and a plurality of coils; and an autofocus (AF) mechanism having an AF moving platform movable along an optical axis, at least one coil, and at least one magnet; wherein the said plurality of coils of the OIS mechanism operatively associates with the said at least one magnet of the OIS mechanism to move the said lens holder of the OIS mechanism along a direction substantially perpendicular to the optical axis; wherein the said at least one coil of the AF mechanism operatively associates with the said at least one magnet of the AF mechanism to move the said AF moving platform along the optical axis.Type: GrantFiled: October 20, 2014Date of Patent: September 19, 2017Assignee: Summing Technologies (HK) LimitedInventor: Sio Kuan Lam
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Patent number: 9599836Abstract: A compact electromagnetic actuator for driving a lens includes a lens holder used to hold a lens or a lens assembly which defines an optical axis, an image stabilization (IS) actuator provided at one end of the lens holder for producing a linear motion in a plane perpendicular to the optical axis, and an autofocus (AF) actuator provided at an opposite end of the lens holder for producing a linear motion along the optical axis. An AF connection mechanism can be used to connect the autofocus actuator to the lens holder. An IS connection mechanism can be used to connect the image stabilization actuator to the lens holder.Type: GrantFiled: January 18, 2014Date of Patent: March 21, 2017Assignee: SUNMING TECHNOLOGIES (HK) LIMITEDInventor: Sio Kuan Lam
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Publication number: 20170017057Abstract: A miniature lens driving apparatus includes a housing, at least two strings, an optical image stabilization (OIS) mechanism, and an autofocus (AF) mechanism. The OIS mechanism includes a lens holder. The AF mechanism includes an AF moving holder, an upper spring sheet, and a lower spring sheet. An internal connecting portion and an outer connecting portion of the upper spring sheet are connected to an upper end of the AF moving holder and a stationary part of the AF mechanism, respectively. An internal connecting portion and an outer connecting portion of the lower spring sheet are connected to a lower end of the AF moving holder and the stationary part of the AF mechanism, respectively. The two ends of each of the at least two strings are connected to the lens holder and a lower portion of the AF moving holder, respectively. An electronic image-capturing device is also disclosed.Type: ApplicationFiled: July 15, 2016Publication date: January 19, 2017Inventor: Sio Kuan Lam
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Publication number: 20170010474Abstract: A miniature lens driving apparatus is provided, including a housing 4, at least two strings 3, an optical image stabilization mechanism 2, and an autofocus mechanism 1, wherein the optical image stabilization mechanism 2 includes a lens holder 21 for holding an imaging lens, the optical image stabilization mechanism 2 may move the lens holder along a direction substantially perpendicular to an optical axis, the autofocus mechanism 1 includes an autofocus moving holder 11 (or referred to as an autofocus moving platform), the autofocus mechanism 1 may move the autofocus moving holder along a direction of the optical axis, one end of each of the at least two strings 3 is connected to the lens holder 21, and the other end of each of the at least two strings 3 is connected to the autofocus moving holder 11.Type: ApplicationFiled: July 7, 2016Publication date: January 12, 2017Inventor: Sio Kuan Lam
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Publication number: 20160356980Abstract: A lens driving apparatus includes a spring suspension system and an electromagnetic force generator. The spring suspension system may include a pair of leaf springs, a stationary rigid body sandwiched between the pair of springs, and a lens holder suspended by the pair of springs within a central bore of the rigid body. The electromagnetic force generator may include a coil holder holding a coil and a magnet holder holding at least one magnet. The spring suspension system and the electromagnetic force generator are connected to and spatially separated from each other by a spacer. A method for manufacturing a lens driving apparatus is also disclosed.Type: ApplicationFiled: July 11, 2016Publication date: December 8, 2016Inventor: Sio Kuan Lam
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Patent number: 9482871Abstract: An optical system for light energy concentration may comprise a light concentrator including two or more light-converging elements, a light splitting element to receive the converging light from the light-converging elements and to produce light having a first spectral component and light having a second spectral component, and a light directing element to direct the light having the first spectral component through a light guide and to direct the light having the second spectral component to a location external to the light guide.Type: GrantFiled: August 30, 2011Date of Patent: November 1, 2016Assignee: Hong Kong Applied Science and Technology Research Institute Co. Ltd.Inventors: Sio Kuan Lam, Tao Pan, Wei Zhou
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Patent number: 9429750Abstract: A dust-free lens driving apparatus includes a lens holder for holding a lens, a housing having a central bore in which the lens holder moves, and a film having a first contact region, a second contact region and a buffer region. The first contact region is defined by a first peripheral portion of the film and is used to sealingly attach the film to and around the lens holder. The second contact region is defined by a second peripheral portion of the film and is used to sealingly attach the film to and around a connection portion of the housing. The buffer region is defined by a remaining region of the film between the first and second contact regions and is used to seal an exit of a gap between the lens holder and the housing.Type: GrantFiled: May 21, 2014Date of Patent: August 30, 2016Assignee: SUNMING TECHNOLOGIES (HK) LIMITEDInventor: Sio Kuan Lam
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Patent number: 9389391Abstract: A lens driving apparatus includes a spring suspension system and an electromagnetic force generator. The spring suspension system may include a pair of leaf springs, a stationary rigid body sandwiched between the pair of springs, and a lens holder suspended by the pair of springs within a central bore of the rigid body. The electromagnetic force generator may include a coil holder holding a coil and a magnet holder holding at least one magnet. The spring suspension system and the electromagnetic force generator are connected to and spatially separated from each other by a spacer. A method for manufacturing a lens driving apparatus is also disclosed.Type: GrantFiled: April 17, 2014Date of Patent: July 12, 2016Assignee: SUNMING TECHNOLOGIES (HK) LIMITEDInventor: Sio Kuan Lam
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Publication number: 20160109681Abstract: A miniature lens driving apparatus includes plurality of wires, an optical image stabilizing (OIS) mechanism having a lens holder, at least one magnet, and a plurality of coils; and an autofocus (AF) mechanism having an AF moving platform movable along an optical axis, at least one coil, and at least one magnet; wherein the said plurality of coils of the OIS mechanism operatively associates with the said at least one magnet of the OIS mechanism to move the said lens holder of the OIS mechanism along a direction substantially perpendicular to the optical axis; wherein the said at least one coil of the AF mechanism operatively associates with the said at least one magnet of the AF mechanism to move the said AF moving platform along the optical axis.Type: ApplicationFiled: October 20, 2014Publication date: April 21, 2016Inventor: Sio Kuan Lam
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Patent number: 9310584Abstract: A lens driving apparatus includes a housing, a lens holder mounted on a base of the housing and moveable along an optical axis, a stationary guide member provided on the base, and a moveable guide member provided on and moveable with the lens holder, wherein the moveable guide member is frictionally engaged with the stationary guide member and slidable therealong when the lens holder is activated. The apparatus further include a plurality of magnets with magnetization direction lying on a plane perpendicular to the optical axis, a coil disposed adjacent and parallel to the magnets, and a position encoder provided on the lens holder or the support for close loop control of the movement of the lens holder.Type: GrantFiled: May 29, 2014Date of Patent: April 12, 2016Assignee: Sunming Technologies (HK) LimitedInventor: Sio Kuan Lam
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Publication number: 20160097937Abstract: A miniature lens driving apparatus includes an optical image stabilization mechanism having a lens holder for holding therein a lens which defines an optical axis, an autofocus mechanism having an autofocus moving platform, and a plurality of wires adapted to couple the lens holder with the autofocus moving platform. The optical image stabilization mechanism is capable of moving the lens holder along a direction substantially perpendicular to the optical axis, and the autofocus mechanism is capable of moving the autofocus moving platform along the optical axis.Type: ApplicationFiled: May 15, 2015Publication date: April 7, 2016Inventor: Sio Kuan Lam
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Patent number: 9002188Abstract: Subject matter disclosed herein may relate to lens actuators used, for example, in auto-focus and/or vibration compensation systems of digital cameras.Type: GrantFiled: August 1, 2012Date of Patent: April 7, 2015Assignee: Hong Kong Applied Science and Technology Research Institute Co. Ltd.Inventors: Kin Ming Fan, Sio Kuan Lam, Kwok Sing Cheng, Wing Ming Fan, Hua Yang, Tiegang Liu
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Publication number: 20150077852Abstract: A compact electromagnetic actuator for driving a lens includes a lens holder used to hold a lens or a lens assembly which defines an optical axis, an image stabilization (IS) actuator provided at one end of the lens holder for producing a linear motion in a plane perpendicular to the optical axis, and an autofocus (AF) actuator provided at an opposite end of the lens holder for producing a linear motion along the optical axis. An AF connection mechanism can be used to connect the autofocus actuator to the lens holder. An IS connection mechanism can be used to connect the image stabilization actuator to the lens holder.Type: ApplicationFiled: January 18, 2014Publication date: March 19, 2015Inventor: Sio Kuan Lam
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Publication number: 20150070791Abstract: A lens driving apparatus includes a housing, a lens holder mounted on a base of the housing and moveable along an optical axis, a stationary guide member provided on the base, and a moveable guide member provided on and moveable with the lens holder, wherein the moveable guide member is frictionally engaged with the stationary guide member and slidable therealong when the lens holder is activated. The apparatus further include a plurality of magnets with magnetization direction lying on a plane perpendicular to the optical axis, a coil disposed adjacent and parallel to the magnets, and a position encoder provided on the lens holder or the support for close loop control of the movement of the lens holder.Type: ApplicationFiled: May 29, 2014Publication date: March 12, 2015Applicant: SUNMING TECHNOLOGIES (HK) LIMITEDInventor: Sio Kuan Lam
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Publication number: 20150070765Abstract: A dust-free lens driving apparatus includes a lens holder for holding a lens, a housing having a central bore in which the lens holder moves, and a film having a first contact region, a second contact region and a buffer region. The first contact region is defined by a first peripheral portion of the film and is used to sealingly attach the film to and around the lens holder. The second contact region is defined by a second peripheral portion of the film and is used to sealingly attach the film to and around a connection portion of the housing. The buffer region is defined by a remaining region of the film between the first and second contact regions and is used to seal an exit of a gap between the lens holder and the housing.Type: ApplicationFiled: May 21, 2014Publication date: March 12, 2015Applicant: SUNMING TECHNOLOGIES (HK) LIMITEDInventor: Sio Kuan Lam
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Publication number: 20150070790Abstract: A lens driving apparatus includes a spring suspension system and an electromagnetic force generator. The spring suspension system may include a pair of leaf springs, a stationary rigid body sandwiched between the pair of springs, and a lens holder suspended by the pair of springs within a central bore of the rigid body. The electromagnetic force generator may include a coil holder holding a coil and a magnet holder holding at least one magnet. The spring suspension system and the electromagnetic force generator are connected to and spatially separated from each other by a spacer. A method for manufacturing a lens driving apparatus is also disclosed.Type: ApplicationFiled: April 17, 2014Publication date: March 12, 2015Applicant: SUNMING TECHNOLOGIES (HK) LIMITEDInventor: Sio Kuan Lam
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Patent number: 8633991Abstract: The subject matter disclosed herein relates to an imaging device having a small form factor.Type: GrantFiled: December 15, 2009Date of Patent: January 21, 2014Assignee: Hong Kong Applied Science and Technology Research Institute Co. Ltd.Inventors: Sio Kuan Lam, Chuen Kuen Yeung
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Patent number: 8564896Abstract: The subject matter disclosed herein relates to an imaging device having a small form factor.Type: GrantFiled: August 20, 2010Date of Patent: October 22, 2013Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.Inventors: Man Yee Pang, Kin Ming Fan, Kwok Sing Cheng, Sio Kuan Lam
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Publication number: 20130208369Abstract: An apparatus for controlling optical-system inclination/rotation center, comprising a housing (200); a bracket (201) installed in the housing (200) for loading lenses; and a first spring system (202) and a second spring system (203) connected onto the housing (200) and the bracket (201), wherein either one of the spring systems is a planar spring system and comprised of at least one leaf spring, the surface of each leaf spring being generally parallel to the plane of the spring system; the planes of the first spring system (202) and the second spring system (203) being generally parallel with each other, and the normal direction of each spring system being generally parallel to the center axis of the bracket (201) or the lens optical axis; the effective elastic coefficient of said first spring system (202) in the lens axis direction is far less than that in the direction perpendicular to the lens axis; the effective elastic coefficient of the second spring system (203) in each direction is far less than thatType: ApplicationFiled: August 19, 2011Publication date: August 15, 2013Inventor: Sio Kuan Lam