US3329915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanent magnet system for the bundled guidance of an electron beam over a relatively long path, especially for traveling wave tubes
Assignee: Siemens and Halske AG
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Filing: 1965-08-06
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Granted: 1967-07-04
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Expires: 1985-08-06
Abstract
No abstract record available.
Inventors
- 👤 Meyerer Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:45
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/08; H01J23/087; H01J23/0873; H01F; H01F7/00; H01F7/02; H01F7/0273; H01F7/0278
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PERMANENT MAGNET SYSTEM FOR THE BUNDLED GUIDANCE OF AN ELECTRON BEAM OVER A RELATIVELY LONG DISTANCE, ESPECIALLY FOR TRAVELING WAVE TUBES, COMPRISING PERMANENT MAGNETS ARRANGED AXIALLY SYMMETRICALLY TO THE ELECTRON PATH AND POLE PIECES, WHICH ARE ARRANGED SUCCESSIVELY IN ELECTRON BEAM DIRECTION AND ARE TRAVERSED BY THE ELECTRON BEAM, MAGNETICALLY CONNECTING OPPOSITELY DISPOSED LIKE POLES OF THE PERMANENT MAGNETS WHEREBY THERE ARISES ALONG THE ELECTRON PATH A MAGNETIC FIELD ALTERNATING IN DIRECTION, WITH APPROXIMATELY SINE-SHAPED COURSE OF THE
Claim 2
Dependent Claim
79 words
A PERMANENT MAGNET SYSTEM FOR THE BUNDLED GUIDANCE OF AN ELECTRON BEAM OVER A RELATIVELY LONG DISTANCE, ESPECIALLY FOR TRAVELING WAVE TUBES, COMPRISING PERMANENT MAGNETS ARRANGED AXIALLY SYMMETRICALLY TO THE ELECTRON PATH AND POLE PIECES, WHICH ARE ARRANGED SUCCESSIVELY IN ELECTRON BEAM DIRECTION AND ARE TRAVERSED BY THE ELECTRON BEAM, MAGNETICALLY CONNECTING OPPOSITELY DISPOSED LIKE POLES OF THE PERMANENT MAGNETS WHEREBY THERE ARISES ALONG THE ELECTRON PATH A MAGNETIC FIELD ALTERNATING IN DIRECTION, WITH APPROXIMATELY SINE-SHAPED COURSE OF THE
References Cited (Backward Citations)
US2956193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |