US3846632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closed-circuit tv inspection x-ray microscope
Assignee: Individual
•
Filing: 1973-07-09
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Granted: 1974-11-05
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Expires: 1993-07-09
Abstract
Abstract An X-ray inspection microscope having a closed-type TV circuit and designed for measuring angles between details of the inner structure of opaque specimens. The microscope comprises a specimen chamber in which the specimen being inspected is irradiated with an X-ray beam, and a transmitting TV camera mounted on the specimen chamber wall behind the specimen along the beam, and coaxial therewith. The TV camera can be rotated about and is movable along the longitudinal axis. An X-ray sensitive TV pick-up tube to convert the X-ray shadow image of the specimen into a TV video signal is mounted in the TV camera. Further, the microscope comprises a TV monitor electrically connected to the transmitting TV camera and having a screen to display an enlarged image of the inner structure of the specimen being irradiated.
Inventors
- 👤 M Nadobnikov
- 👤 A Krokhin
- 👤 N Rabodzei
- 👤 E Ljubimov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:32
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/028; G01; G01N; G01N23/00; G01N23/02; G01N23/04; G01N23/043
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
263 words
A closed-circuit TV inspection X-ray microscope comprising: a shielded specimen chamber to hold a specimen; an X-ray source intended for irradiation of the specimen with an X-ray beam and producing a shadow X-ray image of the inner structure of said specimen, said X-ray source being positioned so that said X-ray beam emerging from it illuminates said specimen chamber; said specimen chamber having a wall with an opening behind said specimen in the path of said X-ray beam and coaxial herewith; a shielding cylinder introduced through said opening coaxially with said X-ray beam and rotatable around its longitudinal axis; a transmitting TV camera contained in said shielding cylinder, said shielding cylinder having an opening at an end thereof facing said X-ray source; an X-ray sensitive TV pick-up tube to convert the X-ray shadow image of the specimen into a TV video signal, said pick-up tube being mounted in the interior of said transmitting TV camera coaxially therewith and oriented so that its target, on which said X-ray shadow image is projected, is perpendicular to the axis of said X-ray beam entering through said opening in said shielding cylinder; a turning means for rotating said transmitting TV camera with the TV pick-up tube around the axis of the X-ray beam; a TV monitor electrically connected to said TV camera; said TV monitor having a screen for viewing an enlarged image of the inner structure of said specimen; and means for producing an image of a cross-hair sight on said screen and for aligning the center of said cross-hair sight with the axis of said beam.
Claim 2
Dependent Claim
263 words
A closed-circuit TV inspection X-ray microscope comprising: a shielded specimen chamber to hold a specimen; an X-ray source intended for irradiation of the specimen with an X-ray beam and producing a shadow X-ray image of the inner structure of said specimen, said X-ray source being positioned so that said X-ray beam emerging from it illuminates said specimen chamber; said specimen chamber having a wall with an opening behind said specimen in the path of said X-ray beam and coaxial herewith; a shielding cylinder introduced through said opening coaxially with said X-ray beam and rotatable around its longitudinal axis; a transmitting TV camera contained in said shielding cylinder, said shielding cylinder having an opening at an end thereof facing said X-ray source; an X-ray sensitive TV pick-up tube to convert the X-ray shadow image of the specimen into a TV video signal, said pick-up tube being mounted in the interior of said transmitting TV camera coaxially therewith and oriented so that its target, on which said X-ray shadow image is projected, is perpendicular to the axis of said X-ray beam entering through said opening in said shielding cylinder; a turning means for rotating said transmitting TV camera with the TV pick-up tube around the axis of the X-ray beam; a TV monitor electrically connected to said TV camera; said TV monitor having a screen for viewing an enlarged image of the inner structure of said specimen; and means for producing an image of a cross-hair sight on said screen and for aligning the center of said cross-hair sight with the axis of said beam.
Claim 3
Dependent Claim
33 words
A TV inspection X-ray microscope as claimed in claim 1 wherein said transmitting TV camera is movable along the axis of said beam, and a means for effecting movement of said transmitting camera.
Claim 4
Dependent Claim
44 words
A TV inspection X-ray microscope as claimed in claim 1 wherein an angle scale is provided along the circumference of said shielding cylinder, and an optical means to read off said scale the angles of rotation of said shielding cylinder with said transmitting camera.
Claim 5
Dependent Claim
40 words
A TV inspection X-ray microscope as claimed in claim 1 comprising means for controlling the space orientation of the specimen and displacing it along two mutually perpendicular coordinate axes in a plane normal to the axis of said X-ray beam.
References Cited (Backward Citations)
US3261967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |