Patents by Inventor Shun-Fan Chiang

Shun-Fan Chiang 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: 20230009556
    Abstract: An image processing method includes: detecting repetition numbers of each image frame of an input image frame sequence, wherein the input image frame sequence includes sequentially inputted at least one first image frame and at least one second image frame, and image data of each first image frame is different from image data of each second image frame; determining a first lookup table according to a first repetition numbers of the at least one first image frame, wherein the first lookup table indicates a plurality of sets of compensation calculations; and using a first set of compensation calculations in the sets of compensation calculations to process the at least one first image frame according to a second repetition numbers of the at least one second image frame.
    Type: Application
    Filed: November 30, 2021
    Publication date: January 12, 2023
    Inventors: JHIH-JIE WANG, CHIH-SHUN FAN CHIANG
  • Patent number: 8587675
    Abstract: An actuator includes a stationary member defining a first receiving room and a center axis, a moveable member received in the first receiving room and being apart from the stationary member, a driving member, and a resilient spring assembly. The moveable member is coaxial with the stationary member. The driving member comprises a first magnetic assembly fixed to the stationary member and a second magnetic assembly fixed to the moveable member. The first magnetic assembly faces the second magnetic assembly. The driving member is configured for driving the moveable member to move along a first axis and a second axis perpendicular to the first axis. The first axis and the second axis are perpendicular to the central axis. The spring assembly is positioned between the stationary member and the moveable member and connects the moveable member to the stationary member. The spring assembly elastically deforms when the moveable member moves.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: November 19, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Patent number: 8575793
    Abstract: A voice coil motor includes a mount, a movable unit and a number of rollers. The mount includes a through hole, a number of recesses opposing the through hole, and a number of magnetic blocks mounted in the through hole. The movable unit includes a barrel and a coil of wire surrounding the barrel. The movable unit is movably received in the through hole of the frame and surrounded by the magnetic blocks. The rollers are rotatably received in the respective recesses and come in contact with the barrel. The rollers hold the movable unit in position when no magnetic force needed to be applied on the movable unit.
    Type: Grant
    Filed: November 25, 2010
    Date of Patent: November 5, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Patent number: 8390154
    Abstract: A plate spring includes holding section, first attached section, second attached section, first spring section connected between the holding section and the second attached section, and a second spring section connected between the first fixed portion and the second fixed portion. The holding section has a first edge, second edge opposite to the first edge, and a third edge. The first attached section is positioned adjacent to an intersection of the third edge and the second edge. The second attached section is positioned adjacent to an intersection of the third edge and the first edge. The first spring section has a wavy configuration and extends from an end of the first edge to the second attached section. The second spring section also has a wavy configuration and extends from an end of the second to the first attached section. The present disclosure also provides a voice coil motor.
    Type: Grant
    Filed: July 23, 2010
    Date of Patent: March 5, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Publication number: 20130026858
    Abstract: A voice coil motor (VCM) includes a case, a lower plate, a lens holder, a coil, a magnet assembly, and an elastic sheet. The case includes an upper plate and sidewalls extending from edges of the upper plate. Each sidewall includes an inner surface. The lower plate is positioned at one end of the sidewalls and opposite to the upper plate. The lens holder is received in the case. The coil is circled around the lens holder. The magnet assembly consists of a first magnet and a second magnet, the first magnet and the second magnet are plate shaped and respectively positioned on the inner surfaces of opposite two of the sidewalls. The elastic sheet is connected between the lower plate and the lens holder.
    Type: Application
    Filed: December 23, 2011
    Publication date: January 31, 2013
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: SHUN-FAN CHIANG
  • Patent number: 8354762
    Abstract: A spring plate includes an engaging portion, a connecting portion, a first elastic portion, a second elastic portion, a first fixing portion, and a second fixing portion. The first elastic portion and the second elastic portion are connected to the engaging portion and the connecting portion, the first fixing portion and the second fixing portion are formed on opposite ends of the connecting portion. The engaging portion defines a recess. The present disclosure further provides a voice coil motor using the spring plate.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: January 15, 2013
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Patent number: 8305702
    Abstract: An exemplary voice coil motor includes a fixed body, a movable barrel, a number of upper rollers, and a number of lower rollers. The fixed body includes a first receiving cavity, a number of upper recesses, and a number of lower recesses. The upper recesses and lower recesses are respectively arranged at opposite ends of the fixed body, and communicate with the first receiving cavity. The movable barrel is movably received in the first receiving cavity. The upper rollers are engagingly received in the corresponding upper recesses, and engage with the movable barrel for applying first friction forces to the movable barrel. The lower rollers are engagingly received in the lower recesses, and engage with the movable barrel for applying second friction forces to the movable barrel.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: November 6, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Patent number: 8274595
    Abstract: A camera module includes a circuit board, an image sensor mounted on the circuit board, and a first lens module and a second lens module aligned with the image sensor. The first lens module includes a fixing member, a first barrel rotatably supported by the fixing member, a second barrel movably received in the first barrel and receiving a first lens therein, a driving apparatus configured for driving the first barrel to rotate, and a fixed leaning member arranged outside of the first barrel. The first barrel has a cam groove formed along a circumference thereof, and the second barrel has a guiding bar extending through the cam groove and leaned against the leaning member, such that when the driving apparatus drives the first barrel to rotate, the second barrel is driven to move along an optical axis of the first lens relative to the second lens module and the image sensor.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: September 25, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Patent number: 8274748
    Abstract: A lens actuator includes a housing, a loading plate, a moving unit, four magnetic elements, and an elastic plate. The housing and the loading plate cooperatively form an accommodating room. The housing includes a top panel having four fixing portions. The moving unit is movably received in the accommodating room. The four magnetic elements are received in the accommodating room around the moving unit, and are fixed on four inner sidewalls of the housing. The elastic plate is disposed between the top panel and the moving unit, and the four fixing portions of the housing firmly press the elastic plate on the four magnetic elements.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: September 25, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Patent number: 8243149
    Abstract: An exemplary camera module includes a fixture, a lens module, a movable frame, an image sensor, a position sensor, a first and a second magnet, and a first and a second magnetic field generator. The position sensor is used to detect displacements of the lens module caused by shake. The magnetic field generators are used to apply a magnetic field to the corresponding magnets, each of the magnetic field generators is electrifiable in response to detection by the position sensor of displacement of the lens module caused by shake. Accordingly, at least one of the magnets and the corresponding magnetic field generator cooperatively drive the lens module to move and compensate the displacement of the image sensor.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: August 14, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Patent number: 8238734
    Abstract: An exemplary image capturing unit includes a housing, a moveable support, and a driving assembly. The moveable support is moveably mounted in the housing. The moveable support includes a rotating axis and is configured for receiving a camera module. The driving assembly includes a first magnetic member and a second magnetic member. The first magnetic member is positioned on the housing. The second magnetic member is positioned on the moveable support and faces the first magnetic member. The driving assembly is configured for driving the moveable support to rotate about the rotating axis relative to the housing through magnetical interaction between the first magnetic member and the second magnetic member.
    Type: Grant
    Filed: April 21, 2010
    Date of Patent: August 7, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Publication number: 20120162790
    Abstract: An exemplary voice coil motor includes a fixed body, a movable barrel, a number of upper rollers, and a number of lower rollers. The fixed body includes a first receiving cavity, a number of upper recesses, and a number of lower recesses. The upper recesses and lower recesses are respectively arranged at opposite ends of the fixed body, and communicate with the first receiving cavity. The movable barrel is movably received in the first receiving cavity. The upper rollers are engagingly received in the corresponding upper recesses, and engage with the movable barrel for applying first friction forces to the movable barrel. The lower rollers are engagingly received in the lower recesses, and engage with the movable barrel for applying second friction forces to the movable barrel.
    Type: Application
    Filed: February 23, 2011
    Publication date: June 28, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: SHUN-FAN CHIANG
  • Patent number: 8208806
    Abstract: A camera module includes an image capturing member, a movable member, a first magnet, a second magnet, and an electromagnetic coil. The image capturing member is configured for capturing images, and has an optical axis. The movable member receives the image capturing member, and is rotatable about a rotation axis substantially perpendicular to the optical axis of the image capturing member. The first magnet and a second magnet are respectively fixed to opposite sides of the movable member. The first magnet and the second magnet are respectively arranged at opposite sides of the optical axis and at opposite sides of the rotation axis. The electromagnetic coil is wrapped around the first and second magnets for acting upon the first and second magnets, thereby producing a magnetic force to drive the movable member to rotate about the rotation axis.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: June 26, 2012
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Publication number: 20120091827
    Abstract: A voice coil motor includes a mount, a movable unit and a number of rollers. The mount includes a through hole, a number of recesses opposing the through hole, and a number of magnetic blocks mounted in the through hole. The movable unit includes a barrel and a coil of wire surrounding the barrel. The movable unit is movably received in the through hole of the frame and surrounded by the magnetic blocks. The rollers are rotatably received in the respective recesses and come in contact with the barrel. The rollers hold the movable unit in position when no magnetic force needed to be applied on the movable unit.
    Type: Application
    Filed: November 25, 2010
    Publication date: April 19, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: SHUN-FAN CHIANG
  • Publication number: 20120039589
    Abstract: A stabilization system includes a camera module, a fixed body, a movable frame, a pivot member, a motion sensor, a magnetic driving module, and an electric member. The movable frame receives the camera module and includes a first outer surface, a second outer surface, a third outer surface and a fourth outer surface. The motion sensor is attached to the fourth outer surface. The driving module includes a first magnetic driving unit arranged on the fixed body and a second magnetic driving unit arranged on the first, second, and third outer surfaces. The driving module drives the movable frame to rotate around the pivot member to compensate a movement of the camera module based on a motion detection result of the motion sensor through interaction between the first and second magnetic driving units. The electric member interconnects the fixed body and the movable frame.
    Type: Application
    Filed: December 14, 2010
    Publication date: February 16, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: PING-HAN KU, SHUN-FAN CHIANG
  • Patent number: 7995908
    Abstract: An exemplary image stabilizing camera system includes a fixed body having a first receiving cavity therein, a movable unit received in the first receiving cavity, a pivot member located between the fixed body and the movable unit, a motion sensor, and a driving module. The pivot member is engagingly received in and between the fixed body and the movable unit. The motion sensor is disposed on the fixed body and configured for detecting a movement of the image stabilizing camera system. The driving module is configured for driving the movable unit to rotate around the pivot member to compensate a movement of the image stabilizing camera system based on the motion detection result of the motion sensor.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: August 9, 2011
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Chi-Wei Chiu, Shun-Fan Chiang
  • Patent number: 7991278
    Abstract: A camera module includes a voice coil motor comprising a fixing assembly, a movable assembly, an elastic member connecting the movable assembly to the fixing assembly, and a pivoting member located between the fixing assembly and the movable assembly; a lens assembly and an image sensor received in the movable assembly; a plurality of Hall sensors capable of detecting movement distances of the movable assembly; and a control module comprising a current distributor, and a processor electrically connected to the Hall sensors. Wherein when shaking occurs, the housing is driven to move along the central axis and at the same time is rotated a desired angles pivoting on the pivoting member, the processor configured for calculating rotated angles of the movable assembly base on movement distances of the movable assembly relative to the respective Hall sensors.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: August 2, 2011
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Patent number: 7991279
    Abstract: An exemplary image stabilization system includes a fixed body having a first receiving cavity therein, a movable unit received in the first receiving cavity, a pivot member located between the fixed body and the movable unit, a motion sensor, a driving module, and a U-shaped magnetic shield. The pivot member is engagingly received in and between the fixed body and the movable unit. The motion sensor is disposed on the fixed body for detecting a movement of the image stabilization system. The driving module is configured for driving the movable unit to rotate around the pivot member to compensate a movement of the image stabilization system based on the motion detection result of the motion sensor. The U-shaped magnetic shield includes a first plate, a second plate, and a connecting plate between the first and second plates. The first vertical is securely mounted on the movable unit. The second plate is located on an opposite side of the first plate to the fixed barrel.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: August 2, 2011
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Shun-Fan Chiang
  • Publication number: 20110176796
    Abstract: A camera module includes an image capturing member, a movable member, a first magnet, a second magnet, and an electromagnetic coil. The image capturing member is configured for capturing images, and has an optical axis. The movable member receives the image capturing member, and is rotatable about a rotation axis substantially perpendicular to the optical axis of the image capturing member. The first magnet and a second magnet are respectively fixed to opposite sides of the movable member. The first magnet and the second magnet are respectively arranged at opposite sides of the optical axis and at opposite sides of the rotation axis. The electromagnetic coil is wrapped around the first and second magnets for acting upon the first and second magnets, thereby producing a magnetic force to drive the movable member to rotate about the rotation axis.
    Type: Application
    Filed: September 7, 2010
    Publication date: July 21, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: SHUN-FAN CHIANG
  • Publication number: 20110158625
    Abstract: An exemplary image capturing unit includes a housing, a moveable support, and a driving assembly. The moveable support is moveably mounted in the housing. The moveable support includes a rotating axis and is configured for receiving a camera module. The driving assembly includes a first magnetic member and a second magnetic member. The first magnetic member is positioned on the housing. The second magnetic member is positioned on the moveable support and faces the first magnetic member. The driving assembly is configured for driving the moveable support to rotate about the rotating axis relative to the housing through magnetical interaction between the first magnetic member and the second magnetic member.
    Type: Application
    Filed: April 21, 2010
    Publication date: June 30, 2011
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: SHUN-FAN CHIANG