US3202864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam device having divergent emission electron gun
Assignee: AT&T Inc
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Filing: 1961-05-26
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Granted: 1965-08-24
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Merton H Crowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:06
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/02; H01J31/06; H01J3/00; H01J3/02; H01J3/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN ELECTRON BEAM DEVICE COMPRISING, IN COMBINATION, A BEAM TARGET, A DIVERGENT EMISSION ELECTRON GUN FOR PROJECTING AN ELECTRON BEAM TOWARD SAID TARGET, THE ELECTRONS OF SAID BEAM HAVING TRAJECTORIES WHICH DIVERGE FROM A VIRTUAL SOURCE, MEANS BETWEEN SAID GUN AND SAID TARGET FOR CAUSIGN THE ELECTRON TRAJECTORIES TO CONVERGE TOWARD SAID TARGET, PULSE DEFLECTION MEANS ADJACENT SAID TARGET ON THE SIDE THREOF FACING SAID GUN FOR DEFLECTING SAID BEAM AWAY FROM SAID TARGET AND ONTO SAID PULSE DEFLECTION MEANS IN RESPONSE TO SIGNALS APPLIED TO SAID PULSE DEFLECTION MEANS, AND MEANS FOR APPLYING SAID SIGNALS TO SAID PULSE DEFLECTION MEANS.
Claim 2
Dependent Claim
101 words
AN ELECTRON BEAM DEVICE COMPRISING, IN COMBINATION, A BEAM TARGET, A DIVERGENT EMISSION ELECTRON GUN FOR PROJECTING AN ELECTRON BEAM TOWARD SAID TARGET, THE ELECTRONS OF SAID BEAM HAVING TRAJECTORIES WHICH DIVERGE FROM A VIRTUAL SOURCE, MEANS BETWEEN SAID GUN AND SAID TARGET FOR CAUSIGN THE ELECTRON TRAJECTORIES TO CONVERGE TOWARD SAID TARGET, PULSE DEFLECTION MEANS ADJACENT SAID TARGET ON THE SIDE THREOF FACING SAID GUN FOR DEFLECTING SAID BEAM AWAY FROM SAID TARGET AND ONTO SAID PULSE DEFLECTION MEANS IN RESPONSE TO SIGNALS APPLIED TO SAID PULSE DEFLECTION MEANS, AND MEANS FOR APPLYING SAID SIGNALS TO SAID PULSE DEFLECTION MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |