Contour measuring device with error correcting unit
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01B-005/20
G01B-011/24
출원번호
US-0843664
(2007-08-23)
등록번호
US-7490413
(2009-02-17)
우선권정보
JP-2006-258042(2006-09-22)
발명자
/ 주소
Liu,Qing
Li,Jun Qi
Nakagawa,Takeo
출원인 / 주소
Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd.
Hon Hai Precision Industry Co., Ltd.
Fine Tech Corporation
대리인 / 주소
Niranjan,Frank R.
인용정보
피인용 횟수 :
3인용 특허 :
4
초록▼
An exemplary contour measuring device (100) includes a pair of guide rails (13), a movable fixture (14), a first probe (15), a second probe (16), and an error correcting unit (17). The movable fixture is movably disposed on the guide rails. The first probe is configured for measuring an object along
An exemplary contour measuring device (100) includes a pair of guide rails (13), a movable fixture (14), a first probe (15), a second probe (16), and an error correcting unit (17). The movable fixture is movably disposed on the guide rails. The first probe is configured for measuring an object along a contour measuring direction and obtaining a first measured contour value from the object to be measured. The second probe is configured for measuring a standard object whose contour is known along the contour measuring direction and obtaining a second measured contour value from the standard object. The error correcting unit is configured for compensating the first measured contour value according to the second measured contour value.
대표청구항▼
What is claimed is: 1. A contour measuring device, comprising: a pair of guide rails; a movable fixture movably disposed on the guide rails; a first probe for measuring an object along a contour measuring direction and obtaining a first measured contour value from the object to be measured; a secon
What is claimed is: 1. A contour measuring device, comprising: a pair of guide rails; a movable fixture movably disposed on the guide rails; a first probe for measuring an object along a contour measuring direction and obtaining a first measured contour value from the object to be measured; a second probe for measuring a standard object whose contour is known along the contour measuring direction and obtaining a second measured contour value from the standard object; and an error correcting unit for compensating the first measured contour value according to the second measured contour value. 2. The contour measuring device as claimed in claim 1, wherein the first probe and the second probe are coaxially aligned along the contour measuring direction. 3. The contour measuring device as claimed in claim 1, wherein the first probe and the second probe are aligned parallel to each other along the contour measuring direction. 4. The contour measuring device as claimed in claim 3, wherein the first probe is disposed on the horizontal platform, and the second probe is disposed on movable fixture. 5. The contour measuring device as claimed in claim 3, wherein the first probe is disposed on the movable fixture, and the second probe is disposed on the horizontal platform. 6. The contour measuring device as claimed in claim 1, wherein the first probe and the second probe are touch trigger probes. 7. The contour measuring device as claimed in claim 1, wherein the first probe and the second probe are optical probes. 8. The contour measuring device as claimed in claim 1, wherein the first probe is a touch trigger probe and the second probe is an optical probe. 9. The contour measuring device as claimed in claim 1, wherein the first probe is an optical probe and the second probe is a touch trigger probe. 10. The contour measuring device as claimed in claim 1, wherein the contour measuring device further includes a horizontal platform, the guide rails are fixed on the horizontal platform, spaced apart and parallel to each other. 11. The contour measuring device as claimed in claim 1, wherein each of the first and second probe includes a mounting base, a block guide rail, a shaft disposed on the block guide rail, a contact tip, a measuring scale configured for measuring displacements of the contact tip, a displacement sensor, and a pick-up head, the contact tip is disposed at one end of the shaft and the measuring scale is disposed at opposite end of the shaft, and the displacement sensor is disposed on the mounting base, the displacement sensor is configured for detecting the displacements measured by the measuring scale and obtaining measured contour value, the pick-up head is configured for reading the measured contour value from the displacement sensor. 12. The contour measuring device as claimed in claim 11, wherein the error correcting unit is disposed on or adjacent to the horizontal platform, the error correcting unit includes a processor and a memory chip, the memory chip is connected to an output port of the processor, the processor is connected to the first probe and the second probe for receiving and compensating for the measured contour value, and the memory chip is configured for registering the compensated contour value output by the processor. 13. The contour measuring device as claimed in claim 1, wherein the first probe and the second probe are disposed on the movable fixture, and the first probe and the second probe are coaxially aligned along the contour measuring direction. 14. The contour measuring device as claimed in claim 1, wherein the first probe and the second probe are disposed on the horizontal platform, and the first probe and the second probe are coaxially aligned along the contour measuring direction.
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