Patent US3305744A successfully refreshed from Google Patents.
US3305744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ganged ring magnets for coordinated control of a plurality of beams
Assignee: RCA Corp
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Filing: 1965-03-15
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Granted: 1967-02-21
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Werst Joseph Le Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:11
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/701; H01J29/702; H01J29/703
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN ADJUSTABLE BEAM POSITION CORRECTOR, COMPRISING THE COMBINATION OF: A MOUNTING STRUCTURE HAVING A GENERALLY CYLINDRICAL APERTURE AND INCLUDING A PORTION HAVING A CYLINDRICAL OUTER SURFACE ECCENTRICALLY DISPOSED WITH RESPECT TO SAID CYLINDRICAL APERTURE; A PAIR OF MAGNETIC FIELD PRODUCING MEANS, EACH COMPRISING A MAGNET RING HAVING A CENTRAL APERTURE DIMENSIONED TO RECEIVE THE CYLINDRICAL OUTER SURFACE OF SAID MOUNTING STRUCTURE, SAID RINGS BEING ROTATABLY SUPPORTED ON SAID SURFACE, THE MAGNETIZATION OF EACH OF SAID RINGS BEING SUCH AS TO PROVIDE EACH RING WITH A SET OF SIX POLES SYMMETRICALLY LOCATED ALONG THE RING CIRCUMFERENCE AND ALTERNATING IN POLARITY ALONG SAID CIRCUMFERENCE; AND MEANS PROVIDING A FLOATING PIN LINKAGE BETWEEN SAID PAIR OF MAGNETIC FIELD PRODUCING MEANS AND SAID MOUNTING STRUCTURE FOR ENSURING THAT ANY ROTATIONAL ADJUSTMENT OF ANY ONE RING OF SAID PAIR WILL BE ACCOMPANIED BY A ROTATIONAL ADJUSTMENT OF THE OTHER RING OF SAID PAIR OF EQUAL EXTENT BUT OF OPPOSITE ROTATIONAL DIRECTION.
Claim 2
Dependent Claim
156 words
AN ADJUSTABLE BEAM POSITION CORRECTOR, COMPRISING THE COMBINATION OF: A MOUNTING STRUCTURE HAVING A GENERALLY CYLINDRICAL APERTURE AND INCLUDING A PORTION HAVING A CYLINDRICAL OUTER SURFACE ECCENTRICALLY DISPOSED WITH RESPECT TO SAID CYLINDRICAL APERTURE; A PAIR OF MAGNETIC FIELD PRODUCING MEANS, EACH COMPRISING A MAGNET RING HAVING A CENTRAL APERTURE DIMENSIONED TO RECEIVE THE CYLINDRICAL OUTER SURFACE OF SAID MOUNTING STRUCTURE, SAID RINGS BEING ROTATABLY SUPPORTED ON SAID SURFACE, THE MAGNETIZATION OF EACH OF SAID RINGS BEING SUCH AS TO PROVIDE EACH RING WITH A SET OF SIX POLES SYMMETRICALLY LOCATED ALONG THE RING CIRCUMFERENCE AND ALTERNATING IN POLARITY ALONG SAID CIRCUMFERENCE; AND MEANS PROVIDING A FLOATING PIN LINKAGE BETWEEN SAID PAIR OF MAGNETIC FIELD PRODUCING MEANS AND SAID MOUNTING STRUCTURE FOR ENSURING THAT ANY ROTATIONAL ADJUSTMENT OF ANY ONE RING OF SAID PAIR WILL BE ACCOMPANIED BY A ROTATIONAL ADJUSTMENT OF THE OTHER RING OF SAID PAIR OF EQUAL EXTENT BUT OF OPPOSITE ROTATIONAL DIRECTION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |