Patents by Inventor Yiu Sing Ho

Yiu Sing Ho 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).

  • Patent number: 10397457
    Abstract: A camera module includes a lens assembly, a voice coil motor assembly, an image sensor assembly and a flash assembly. The lens assembly is installed in the voice coil motor assembly along an optical axis direction, the image sensor assembly is located below the lens assembly, the flash assembly is mounted above the voice coil motor assembly and includes at least one light source located around a lens of the lens assembly, and the light source adapted for providing a flash for the lens. The flash assembly can provide uniform and even flashing light for the lens to improve imaging quality, and provide compact structure to meet the development of the electronic products miniaturization.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: August 27, 2019
    Assignee: SAE MAGNETICS (H.K.) LTD.
    Inventors: Yiu Sing Ho, Wen Ju Yang, Jing Shu Shi
  • Patent number: 10389923
    Abstract: A camera module includes a lens assembly, a voice coil motor assembly for receiving and driving the lens assembly, and an image sensor assembly located below the voice coil motor assembly. The voice coil motor assembly comprises a bottom unit that is hollow and a color filter supported by the bottom unit, the color filter, the lens assembly and the image sensor assembly are coaxial, the bottom unit has an upper portion and a lower portion that are integrated together, the upper portion is configured around the lens assembly, and the bottom unit is configured below the lens assembly and supports the color filter. The camera module has simple structure and convenient assembly, can reduce total assembly tolerances of the camera module, achieve an accurate optical axis alignment between the lens and the image sensor, and reduce manufacturing cost to benefit the popularization in industries.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: August 20, 2019
    Assignee: SAE MAGNETICS (H.K.) LTD.
    Inventors: Yiu Sing Ho, Fen Yan Li, Wen Ju Yang
  • Publication number: 20190079263
    Abstract: Disclosed is a camera module that comprises a lens assembly that includes a lens base and a lens tube integrated with the lens base for receiving at least one lens; and a voice coil motor assembly for driving the lens assembly, comprising a base, two leaf springs, at least two coils, and at least two magnets. The coils are respectively fixed on two opposite sides of the base, the magnets are fixed on two opposite sides of the lens assembly respectively, and the magnets are located by inner sides of the coils respectively, the lens assembly is clamped by the leaf springs and supported on the base, the coils drive the magnets and the lens assembly to move after being energized. The camera module is simply structured, easy to assembly, less bulky and fit for the demand of thin products.
    Type: Application
    Filed: August 1, 2018
    Publication date: March 14, 2019
    Inventors: Yiu Sing HO, Shou Sheng GAO, Zong Qin SHI
  • Patent number: 10205371
    Abstract: A voice coil motor includes a housing having a cavity; a movable assembly received in the cavity; a fixing assembly configured outside of the movable assembly; and a first spring plate and a second spring plate configured at an upper surface and a lower surface of the movable assembly respectively. The fixing assembly comprises at least two magnetic elements connected with the first spring plate and a spacer member configured on the second spring plate to connect the second spring plate to the magnetic elements or the housing. The voice coil motor is served as an actuator of electronic products such as digital cameras, mobile phones, and digital cameras, which has thin thickness, good performance and strong applicability.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: February 12, 2019
    Assignee: SAE MAGNETICS (H.K.) LTD.
    Inventors: Sidney Chou, Yiu Sing Ho, Kam Fung Yip, Wen Ju Yang, Hai Yang Wu, Shou Sheng Gao, Yong Bing Hu, Guo Hong Lu
  • Patent number: 10042139
    Abstract: A camera lens module includes a case and a bottom coupled with the case to form an accommodating space, having an upper spring, a lens assembly and a lower spring accommodated in the accommodating space. The lens assembly includes a lens barrel main body and a group of lenses provided in the lens barrel main body. An upper end of the lens barrel main body is suspended on the upper spring, and a lower end of the lens barrel main body is suspended on the lower spring. The upper spring is connected with the case, and the lower spring is connected with the bottom. In the camera lens module, the lens assembly is directly suspended on upper and lower springs. This eliminates the camera lens mount of existing camera lens module as well as the connecting screw structure between the camera lens mount and the lens barrel.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: August 7, 2018
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Yiu Sing Ho, Yong Bing Hu
  • Patent number: 9933589
    Abstract: A lens assembly includes a lens holder and a lens barrel that are coaxial and integrated in a unity, a cavity is defined therein to receive at least one lens, at least three guiding legs are extended from a bottom of the lens holder, and the guiding legs define a plane that is parallel to an installation plane of the lens. It can achieve an accurate optical axis alignment between the lens and the image sensor, reduce total assembly tolerances of the camera module thereby improving imaging quality, and reduce manufacturing cost to benefit the popularization in industries.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: April 3, 2018
    Assignee: SAE MAGNETICS (H.K.) LTD.
    Inventors: Chi Wai Lo, Sidney Shen Kuang Chou, Yiu Sing Ho, Fen Yan Li, Xin Tao Lang, Gui Ming Wei
  • Publication number: 20180035027
    Abstract: A camera module includes a lens assembly, a voice coil motor assembly, an image sensor assembly and a flash assembly. The lens assembly is installed in the voice coil motor assembly along an optical axis direction, the image sensor assembly is located below the lens assembly, the flash assembly is mounted above the voice coil motor assembly and includes at least one light source located around a lens of the lens assembly, and the light source adapted for providing a flash for the lens. The flash assembly can provide uniform and even flashing light for the lens to improve imaging quality, and provide compact structure to meet the development of the electronic products miniaturization.
    Type: Application
    Filed: July 27, 2017
    Publication date: February 1, 2018
    Inventors: Yiu Sing HO, Wen Ju Yang, Jing Shu Shi
  • Publication number: 20180035023
    Abstract: A camera module includes a lens assembly, a voice coil motor assembly for receiving and driving the lens assembly, and an image sensor assembly located below the voice coil motor assembly. The voice coil motor assembly comprises a bottom unit that is hollow and a color filter supported by the bottom unit, the color filter, the lens assembly and the image sensor assembly are coaxial, the bottom unit has an upper portion and a lower portion that are integrated together, the upper portion is configured around the lens assembly, and the bottom unit is configured below the lens assembly and supports the color filter. The camera module has simple structure and convenient assembly, can reduce total assembly tolerances of the camera module, achieve an accurate optical axis alignment between the lens and the image sensor, and reduce manufacturing cost to benefit the popularization in industries.
    Type: Application
    Filed: August 1, 2017
    Publication date: February 1, 2018
    Inventors: Yiu Sing HO, Fen Yan LI, Wen Ju YANG
  • Publication number: 20180024307
    Abstract: A lens assembly includes a lens holder and a lens barrel that are coaxial and integrated in a unity, a cavity is defined therein to receive at least one lens, at least three guiding legs are extended from a bottom of the lens holder, and the guiding legs define a plane that is parallel to an installation plane of the lens. It can achieve an accurate optical axis alignment between the lens and the image sensor, reduce total assembly tolerances of the camera module thereby improving imaging quality, and reduce manufacturing cost to benefit the popularization in industries.
    Type: Application
    Filed: August 16, 2016
    Publication date: January 25, 2018
    Inventors: Chi Wai LO, Sidney Shen Kuang CHOU, Yiu Sing HO, Fen Yan LI, Xin Tao LANG, Gui Ming WEI
  • Patent number: 9841609
    Abstract: An assembly method of a SMA assembly, includes disposing a lens holder unit on a SMA unit, the lens holder unit being provided with a first spring, a lens holder and a coil that are mounted on the first spring, with the first spring pressed against a mounting surface of the SMA unit; and bonding the first spring of the lens holder unit with the mounting surface of the SMA unit. The assembly process is simplified, the coating and soldering space become big to facilitate the bonding process, and the joining force between the SMA unit and the lens holder unit is enhanced.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: December 12, 2017
    Assignee: SAE MAGNETICS (H.K.) LTD.
    Inventors: Sidney Shen Kuang Chou, Yiu Sing Ho, Kam Fung Yip, Jian Feng He
  • Publication number: 20170351112
    Abstract: An assembly method of a SMA assembly, includes disposing a lens holder unit on a SMA unit, the lens holder unit being provided with a first spring, a lens holder and a coil that are mounted on the first spring, with the first spring pressed against a mounting surface of the SMA unit; and bonding the first spring of the lens holder unit with the mounting surface of the SMA unit. The assembly process is simplified, the coating and soldering space become big to facilitate the bonding process, and the joining force between the SMA unit and the lens holder unit is enhanced.
    Type: Application
    Filed: June 28, 2016
    Publication date: December 7, 2017
    Inventors: Sidney Shen Kuang CHOU, Yiu Sing HO, Kam Fung YIP, Jian Feng HE
  • Publication number: 20170146771
    Abstract: A camera lens module includes a case and a bottom coupled with the case to form an accommodating space, having an upper spring, a lens assembly and a lower spring accommodated in the accommodating space. The lens assembly includes a lens barrel main body and a group of lenses provided in the lens barrel main body. An upper end of the lens barrel main body is suspended on the upper spring, and a lower end of the lens barrel main body is suspended on the lower spring. The upper spring is connected with the case, and the lower spring is connected with the bottom. In the camera lens module, the lens assembly is directly suspended on upper and lower springs. This eliminates the camera lens mount of existing camera lens module as well as the connecting screw structure between the camera lens mount and the lens barrel.
    Type: Application
    Filed: October 17, 2016
    Publication date: May 25, 2017
    Inventors: Yiu Sing Ho, Yong Bing Hu
  • Publication number: 20160308430
    Abstract: A voice coil motor includes a housing having a cavity; a movable assembly received in the cavity; a fixing assembly configured outside of the movable assembly; and a first spring plate and a second spring plate configured at an upper surface and a lower surface of the movable assembly respectively. The fixing assembly comprises at least two magnetic elements connected with the first spring plate and a spacer member configured on the second spring plate to connect the second spring plate to the magnetic elements or the housing. The voice coil motor is served as an actuator of electronic products such as digital cameras, mobile phones, and digital cameras, which has thin thickness, good performance and strong applicability.
    Type: Application
    Filed: March 28, 2016
    Publication date: October 20, 2016
    Inventors: Sidney CHOU, Yiu Sing HO, Kam Fung YIP, Wen Ju YANG, Hai Yang WU, Shou Sheng GAO, Yong Bing HU, Guo Hong LU
  • Publication number: 20140322432
    Abstract: An assembly method of a voice coil motor for assembling component parts of a voice coil motor includes the following steps: (1) providing identifiable glue, and the identifiable glue is made by mixing colorable substance or phosphor into transparent glue; (2) coating the identifiable glue on connecting positions of the component parts; (3) curing the identifiable glue, and identifying the identifiable glue simultaneously to check dispensing and curing effect of the component parts. The assembly method can cure and check the voice coil motor simultaneously, thereby it can improve the production efficiency, reduce the manpower, and promote the development of the automated production line. An assembly device is also disclosed.
    Type: Application
    Filed: June 12, 2013
    Publication date: October 30, 2014
    Inventors: Chun Bai LI, Can Hua Chen, Yiu Sing Ho, Murata Shuji
  • Patent number: 8018688
    Abstract: A head stack assembly of a disk drive unit includes a head arm assembly (HAA) having a head gimbal assembly, a drive arm to be connected with the head gimbal assembly; wherein the drive arm comprises a securing portion, a connection portion and a spacer connecting the securing portion with the connection portion. At least one undercut is formed on the spacer of the drive arm to strengthen the drive arm.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: September 13, 2011
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Takehiro Kamigama, Yiu Sing Ho, Canhua Chen
  • Patent number: 7760470
    Abstract: A method and apparatus for electrically coupling a slider to a controller circuit are disclosed. In one embodiment, a pre-amplifier with an integrated electrical connector (I-connector) may be connected via an electrical trace to a slider and via a head stack assembly flexible circuit to a control circuit. The pre-amplifier may have two parallel series of spring probe claws, two parallel series of contact pegs, two slots, or a slot and a rotary cam.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: July 20, 2010
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Li Xing Wu, Yiu Sing Ho, Jeffery L. Wang, Liu Jun Zhang
  • Patent number: 7600310
    Abstract: A method for mounting a head stack assembly (HSA) circuit assembly is disclosed. A flexible circuit substrate may be coupled to a stiffener. The stiffener may be a metal, such as aluminum, or some other stiff and durable material. The flexible circuit substrate may be made of an organic material and may have a series of electronic leads embedded in the flexible circuit substrate. The flexible substrate may be coupled to the stiffener by an adhesive or laminated onto the stiffener. The stiffener may be mounted onto the actuator arm by soldering or by laser welding.
    Type: Grant
    Filed: June 16, 2006
    Date of Patent: October 13, 2009
    Assignee: SAE Magnetics (H.K.) Lts.
    Inventors: Yiu Sing Ho, Hiroshi Fukaya, Kam Fung Yip, Satoshi Yamaguchi, Jeffery L. Wang, Can Hua Chen
  • Publication number: 20090141401
    Abstract: A method and apparatus for electrically coupling a slider to a controller circuit are disclosed. In one embodiment, a pre-amplifier with an integrated electrical connector (I-connector) may be connected via an electrical trace to a slider and via a head stack assembly flexible circuit to a control circuit. The pre-amplifier may have two parallel series of spring probe claws, two parallel series of contact pegs, two slots, or a slot and a rotary cam.
    Type: Application
    Filed: February 4, 2009
    Publication date: June 4, 2009
    Applicant: SAE Magnetics (H.K.) LTD.
    Inventors: Li Xing WU, Yiu Sing HO, Jeffery L. WANG, Liu Jun ZHANG
  • Patent number: 7525768
    Abstract: A method and apparatus for electrically coupling a slider to a controller circuit are disclosed. In one embodiment, a pre-amplifier with an integrated electrical connector (I-connector) may be connected via an electrical trace to a slider and via a head stack assembly flexible circuit to a control circuit. The pre-amplifier may have two parallel series of spring probe claws, two parallel series of contact pegs, two slots, or a slot and a rotary cam.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: April 28, 2009
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Li Xing Wu, Yiu Sing Ho, Jeffery L. Wang, Liu Jun Zhang
  • Patent number: 7522384
    Abstract: A method for mounting a head stack assembly (HSA) circuit assembly is disclosed. A flexible circuit substrate may be coupled to a stiffener. The stiffener may be a metal, such as aluminum, or some other stiff and durable material. The flexible circuit substrate may be made of an organic material and may have a series of electronic leads embedded in the flexible circuit substrate. The flexible substrate may be coupled to the stiffener by an adhesive or laminated onto the stiffener. The stiffener may be mounted onto the actuator arm by soldering or by laser welding.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: April 21, 2009
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Yiu Sing Ho, Hiroshi Fukaya, Kam Fung Yip, Satoshi Yamaguchi, Jeffery L. Wang, Can Hua Chen