US3274515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulser for modulated anode tubes
Assignee: Varian Medical Systems Inc
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Filing: 1962-12-31
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Granted: 1966-09-20
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 George M W Badger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:30
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/78; H01; H01J; H01J31/00; H01J31/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PULSER FOR MODULATING ANODE TUBE OF THE TYPE INCLUDING A CATHODE, AN ANODE AND A MODULATING MEANS COMPRISING MEANS FOR APPLYING A SOURCE OF ACCELERATING VOLTAGE BETWEEN THE CATHODE AND ANODE, A FIRST SERIES COMBINATION INCLUDING A SWITCHING TRANSFORMER AND A DIODE CONNECTED BETWEEN THE CATHODE AND MODULATING MEANS, A SECOND SERIES COMBINATION INCLUDING A SECOND SWITCHING TRANSFORMER AND DIODE CONNECTED BETWEEN THE MODULATING MEANS AND A SOURCE OF POTENTIAL POSITIVE WITH RESPECT TO THE CATHODE, AND MEANS FOR SELECTIVELY APPLYING SWITCHING PULSES TO SAID TRANSFORMERS WHEREBY THE MODULATING ANODE TUBE MAY BE SELECTIVELY TURNED "ON" OR "OFF."
Claim 2
Dependent Claim
99 words
A PULSER FOR MODULATING ANODE TUBE OF THE TYPE INCLUDING A CATHODE, AN ANODE AND A MODULATING MEANS COMPRISING MEANS FOR APPLYING A SOURCE OF ACCELERATING VOLTAGE BETWEEN THE CATHODE AND ANODE, A FIRST SERIES COMBINATION INCLUDING A SWITCHING TRANSFORMER AND A DIODE CONNECTED BETWEEN THE CATHODE AND MODULATING MEANS, A SECOND SERIES COMBINATION INCLUDING A SECOND SWITCHING TRANSFORMER AND DIODE CONNECTED BETWEEN THE MODULATING MEANS AND A SOURCE OF POTENTIAL POSITIVE WITH RESPECT TO THE CATHODE, AND MEANS FOR SELECTIVELY APPLYING SWITCHING PULSES TO SAID TRANSFORMERS WHEREBY THE MODULATING ANODE TUBE MAY BE SELECTIVELY TURNED "ON" OR "OFF."
References Cited (Backward Citations)
US2881349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |