Camera device methods, apparatus and components
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G02B-026/08
H04N-005/225
G02B-007/02
G02B-013/00
출원번호
US-0876775
(2015-10-06)
등록번호
US-9857584
(2018-01-02)
발명자
/ 주소
Singh, Harpuneet
Schmieder, James
Shroff, Sapna A.
출원인 / 주소
Light Labs Inc.
대리인 / 주소
Straub, Michael P.
인용정보
피인용 횟수 :
0인용 특허 :
44
초록▼
Methods and apparatus for implementing optical chains, e.g., camera modules, which can be used in a camera device are described as well as camera devices including multiple camera modules. In various embodiments one or more camera modules include mirror assemblies which support a movable mirror. The
Methods and apparatus for implementing optical chains, e.g., camera modules, which can be used in a camera device are described as well as camera devices including multiple camera modules. In various embodiments one or more camera modules include mirror assemblies which support a movable mirror. The mirror is driven in some embodiments by a linear actuator, e.g., piezo electric actuator with the linear motion of the actuator's push rod being converted into angular mirror rotation by use of hinge, e.g., pivot on which the mirror is mounted. A return spring provide a force contrary to that provided by the actuator. A recess is included in a mounting board to allow the bottom of the mirror or a portion of the mirror mounting hinge to be placed below the surface of the mounting board to which the camera module is secured.
대표청구항▼
1. A camera device, comprising: a first optical chain including: a first moveable mirror assembly including a first mirror;a first mirror support;a mirror pivot hinge supporting the first moveable mirror assembly in the first mirror support, the mirror pivot hinge having a mirror pivot axis which ex
1. A camera device, comprising: a first optical chain including: a first moveable mirror assembly including a first mirror;a first mirror support;a mirror pivot hinge supporting the first moveable mirror assembly in the first mirror support, the mirror pivot hinge having a mirror pivot axis which extends parallel to a face of the first mirror, the mirror pivot hinge including a first pivot shaft inserted into said first mirror support allowing the first mirror included in the first moveable mirror assembly to rotate with respect to said first mirror support around the mirror pivot axis thereby changing an amount of tilt of the first mirror; anda first linear actuator for exerting a linear force on a first portion of said first moveable mirror assembly to control rotation of said first moveable mirror assembly around the mirror pivot axis and thus changing of the amount of tilt of the first mirror. 2. The camera device of claim 1, wherein the first optical chain further includes: a first drive rod for transferring linear force generated by said first linear actuator onto said first portion of the first moveable mirror assembly. 3. The camera device of claim 1, further comprising: a mounting board, said mounting board including a first opening through which light can pass and reach said first mirror. 4. The camera device of claim 1, further comprising: a mounting board on which said first mirror support is mounted; andwherein said mounting board includes a recess cut into said mounting board, said first mirror extending below a surface of said mounting board and into said recess when positioned at some angles to which said first moveable mirror assembly can be driven by said first linear actuator. 5. The camera device of claim 4, wherein said first mirror is a plane mirror;wherein said first optical chain further includes: a first lens barrel assembly;a first sensor board; anda first sensor mounted to said first sensor board. 6. The camera device of claim 5, wherein said first lens barrel assembly includes one or more lenses for directing light reflected from said first mirror onto the first sensor. 7. The camera device of claim 6, wherein components which form said first optical chain are secured together to form a first mountable camera module, at least some of said components which form said first optical chain include threaded screw holes for receiving mounting screws which can extend through said rigid mounting board and be inserted into said threaded screw holes to secure said first mountable camera module to said rigid mounting board. 8. The camera device of claim 1, further comprising: a sensor mounting board; anda first flexible printed circuit tape coupled to said sensor mounting board for receiving sensor output of said first sensor and communicating it to a processor in said camera device. 9. The camera device of claim 1, wherein said first linear actuator is a piezo electric linear actuator. 10. The camera device of claim 1, further comprising: a second optical chain including: a second moveable mirror assembly;a second mirror support;a second pivot attached to said second moveable mirror assembly and inserted into said second mirror support allowing said second moveable mirror assembly to rotate with respect to said second mirror support; anda second linear actuator for exerting a linear force on a first portion of said second moveable mirror assembly to control rotation of said second moveable mirror assembly. 11. A camera device, comprising: a first optical chain including: a first moveable mirror assembly;a first mirror support;a first pivot attached to said first moveable mirror assembly and inserted into said first mirror support allowing said first moveable mirror assembly to rotate with respect to said first mirror support;a first linear actuator for exerting a linear force on a first portion of said first moveable mirror assembly to control rotation of said first moveable mirror assembly; anda first drive rod for transferring linear force generated by said first linear actuator onto said first portion of the first moveable mirror assembly, wherein the first drive rod makes contact with said first portion of said first moveable mirror assembly and presses against said first portion of said first moveable mirror assembly but is not attached to said first portion of said first moveable mirror assembly. 12. The camera device of claim 11, wherein the first optical chain further includes: a first return spring in contact with a second portion of said first moveable mirror assembly, said first return spring exerting a force contrary to the force of said first linear actuator. 13. The camera device of claim 11, wherein said first moveable mirror assembly includes a first mirror support cradle in which a first mirror is mounted, said first portion of said first moveable mirror assembly being a lower portion of said first moveable mirror assembly and the second portion of said first moveable mirror assembly being an upper portion of said first moveable mirror assembly. 14. The camera device of claim 13, wherein said first return spring includes a flat piece of spring metal inserted into a first spring retaining slot in the second portion of said first moveable mirror assembly. 15. The camera device of claim 14, wherein said first optical chain further includes: a hall sensor for sensing a position of said first moveable mirror assembly relative to the hall sensor. 16. An assembly for use in a camera device, the assembly including: a mirror;a mirror support device to which said mirror is secured;a linear actuator;a mirror pivot hinge supporting the mirror support device, the mirror pivot hinge having a mirror pivot axis which extends parallel to a face of the mirror, the mirror pivot hinge including a first pivot shaft allowing the mirror to rotate with respect to the mirror pivot axis thereby changing an amount of tilt of the mirror;anda drive rod in contact with said actuator for driving said mirror support device. 17. The assembly of claim 16, wherein said mirror support device is a mirror support cradle; andwherein the linear actuator is a piezo electric actuator. 18. The assembly of claim 16 further including a hall sensor for detecting a mirror position. 19. The assembly of claim 16, further comprising: a return spring, in physical contact with said mirror support device and exerting pressure on said mirror support device in a direction contrary to the direction exerted by said linear actuator. 20. The assembly of claim 16, wherein said mirror support device is a mirror support cradle in which the mirror is mounted. 21. A camera module comprising: a mirror assembly including;a linear actuator;a mirror support mounted on a pivot anda drive rod connected to said linear actuator for driving said mirror support;a lens barrel; anda rigid mounting board to which said mirror assembly is mounted, said rigid mounting board including a recess allowing a portion of said mirror to extend below the surface of said mounting board, said recess corresponding to a thin area of said rigid mounting board adjacent a hole through which light can pass through said rigid mounting board and be reflected by the mirror into said lens barrel.
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