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Patent US4403858A successfully refreshed from Google Patents.
US4403858A
Expired / Lapsed
US
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Defect inspection system
Assignee: Hajime Industries Ltd
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Filing: 1981-02-20
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Granted: 1983-09-13
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Expires: 2001-02-20
Abstract
Abstract A defect inspection system in which a reflector body is arranged at such an angle relative to an object to be inspected that in spite of any parallel movements of the image does not overlap the inspected object. The inspected object and the image thereof are both simultaneously picked up by the same television camera. Then, the video signal from the television camera is fed to a processor which then inspects whether or not the object to be inspected contains defects or flaws.
Inventors
- 👤 Hajime Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:05
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01B; G01B11/00; G01B11/02; G01B11/022
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
90 words
A defect inspection system comprising: (a) an image sensing means for picking up an object to be inspected; (b) means for providing an image of said object; said image providing means being so located that the image of said object provided thereby is not in parallel to said object, said image sensing means being so located that both of said object and said image thereof are picked up thereby; and (c) means for receiving an output from said image sensing means and inspecting whether or not said object contains flaws.
Claim 2
Dependent Claim
90 words
A defect inspection system comprising: (a) an image sensing means for picking up an object to be inspected; (b) means for providing an image of said object; said image providing means being so located that the image of said object provided thereby is not in parallel to said object, said image sensing means being so located that both of said object and said image thereof are picked up thereby; and (c) means for receiving an output from said image sensing means and inspecting whether or not said object contains flaws.
Claim 3
Dependent Claim
31 words
A defect inspection system according to claim 1 further comprising a monitoring means which receives the output from said image sensing means and reproduces thereon said object and said image thereof.
Claim 4
Dependent Claim
17 words
A defect inspection system as claimed in claim 1, wherein said image providing means is a reflector.
Claim 5
Dependent Claim
17 words
A defect inspection system according to claim 1 further comprising means for supporting said image providing means.
Claim 6
Dependent Claim
28 words
A defect inspection system as claimed in claim 4, wherein said supporting means includes means for changing the angle of said image providing means relative to said object.
Claim 7
Dependent Claim
36 words
A defect inspection system according to claim 3, including supporting means for said reflector comprises a universal mounting enabling said reflector to be tilted at an angle to the horizontal and rotated about a vertical axis.
References Cited (Backward Citations)
US4025201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-09-12 | 1987-03-14 | 1987-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-12 | 1991-03-14 | 1991-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-12 | 1995-03-14 | 1995-09-13 | $7700.00 | Window Closed / Lapsed |