[특허]Large depth of field line scan camera

Large depth of field line scan camera 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06M-007/00
출원번호	US-0562478 (2009-09-18)
등록번호	US-8110790 (2012-02-07)
발명자 / 주소	Wurz, David A. Brobst, Thomas J. Freyman, Christopher Alan
출원인 / 주소	Accu-Sort Systems, Inc.
대리인 / 주소	Nelson Mullins Riley & Scarborough, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 48

초록 ▼

A system for imaging an object comprising a surface for receiving the object to be imaged and an imaging device. The imaging device comprises a housing and a fixed focusing optical device mounted to the housing, whereby the fixed focusing optics comprises a lens for focusing light reflected from the object. A plurality of independent linear imaging sensors are positioned in the housing at different distances from the fixed focusing lens so that a face of each of the plurality of independent linear imaging sensors is aligned parallel to the surface. A processor is coupled to the plurality of independent linear imaging sensors for receiving an output signal from each of the plurality of independent linear imaging sensors representative of the reflected light. The lens defines a plane parallel to the surface, and the plurality of independent linear imaging sensors are adapted to receive reflected light from the object.

대표청구항 ▼

1. A system for imaging an object comprising: a. a surface for receiving an object to be imaged;b. an image device comprising: i. a housing;ii. a lens mounted in said housing for focusing light reflected from an object on said surface;iii. a linear image sensor positioned in said housing radially outward from an axis normal to said surface and passing through said lens;iv. a plurality of mirrors, each mirror rotatably coupled to a pivot axis and positioned so as to direct light passing through said lens from an object onto said linear image sensor; andc. a processor coupled to said linear image sensor for reading an output signal from individual pixels in said linear image sensor based on an intensity of said output signal from each of said individual pixels,wherein each said mirror is independently moveable about its said pivot axis with respect to said linear image sensor along a path generally perpendicular to said linear image sensor so that objects of different heights on said surface can be focused onto respective different portions of said linear image sensor. 2. The system for imaging an object of claim 1, further comprising at least one actuator for respectively rotating at least one of said plurality of mirrors about its said pivot axis. 3. The system for imaging an object of claim 1, wherein at least one of said plurality of mirrors translate along its said pivot axis. 4. The system for imaging an object of claim 3, further comprising at least one actuator for translating said at least one of said plurality of mirrors along its said pivot axis so that heights focused by said at least one mirror onto said linear image sensor is variable. 5. The system for imaging an object of claim 4, further comprising at least another actuator for translating another one of said plurality of mirrors along its said pivot axis. 6. The system for imaging an object of claim 1, further comprising a first, a second, and a third said mirror, each rotatably coupled to its said pivot axis and positioned so as to direct light passing through said lens onto said linear image sensor. 7. The system for imaging an object of claim 1, further comprising a height sensor for detecting a height of an object on said surface, wherein detected height information is used by respective actuators for moving each of said plurality of mirrors to focus on an object on said surface. 8. A system for imaging an object comprising: a. a surface for receiving an object to be imaged;b. an imaging device comprising: i. a housing;ii. a lens mounted to said housing for focusing light reflected from an object on said surface;iii. a linear image sensor positioned in said housing;iv. first and second mirrors, each rotatably coupled to a pivot axis and positioned so as to direct light passing through said lens from an object onto said linear image sensor; andc. a processor coupled to said linear image sensor for reading an output signal from said linear image sensor,wherein each of said first and said second mirrors are independently moveable about its said pivot axis along a path generally perpendicular to said linear image sensor. 9. The system for imaging an object of claim 8, wherein each of said first and said second mirrors move axially along its said pivot axis. 10. The system for imaging an object of claim 8, further comprising first and second actuators for respectively rotating said first and second mirrors about its said pivot axis. 11. The system for imaging an object of claim 10, further comprising third and fourth actuators for respectively translating said first and said second mirrors along its said pivot axis. 12. The system for imaging an object of claim 8, further comprising a third mirror rotatably coupled to a said pivot axis and positioned so as to direct light passing through said lens onto said linear image sensor. 13. The system for imaging an object of claim 10, further comprising a height sensor for detecting a height of an object on said surface, wherein detected height information is used by said first and said second actuators for moving each of said first and second mirrors to focus on an object on said surface. 14. A system for imaging an object comprising: a. a surface for receiving an object to be imaged;b. an imaging device comprising: i. a housing;ii. a lens mounted to said housing for focusing light reflected from an object on said surface, said lens defining a plane parallel to said surface;iii. a linear imaging sensor positioned in said housing at a first distance away from said lens in a direction perpendicular to the plane;iv. a mirror having first and second portions rotatably coupled to a pivot axis and positioned so as to direct light passing through said lens onto said linear imaging sensor; andc. a processor coupled to said linear imaging sensor for reading an output signal from said linear imaging sensor,wherein said pivot axis is located at a second distance away from the lens, in the direction perpendicular to the plane, that is larger than said first distance, andwherein said mirror first portion and said mirror second portion move independently of one another. 15. The system for imaging an object of claim 14, wherein each of said first and said second mirror portions move axially along said pivot axis independent of each other. 16. The system for imaging an object of claim 14, further comprising at least one actuator for respectively rotating one of said first and second mirror portions about said pivot axis. 17. The system for imaging an object of claim 16, further comprising at least one other actuator for translating said first and said second mirror portions along said pivot axis.

이 특허에 인용된 특허 (48)

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Large depth of field line scan camera 원문보기

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Large depth of field line scan camera 원문보기

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