US3293483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation controlled electron radiation source
Assignee: Siemens and Halske AG
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Filing: 1962-01-08
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Granted: 1966-12-20
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Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Engel Albrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:59
CPC Classifications
H; H01; H01J; H01J3/00; H01J3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN ELECTRON RADIATION SOURCE COMPRISING THE COMBNATION OF A CATHODE AND A CONTROL DIAPHRAGM, AN ADJUSTING MEMBER WITH VARIABLE RESISTANCE VALUE DISPOSED IN A LEAD EXTENDING TO THE CATHODE, SAID ADJUSTING MEMBER EFFECTING BY ALTERATION OF THE POTENTIAL OF THE CATHODE, WHICH IS POSITIVE WITH RESPECT TO THE POTENTIAL OF THE CONTROL DIAPHRAGM, CONTROL OF THE POWER AND OF THE FOCUSING OF THE ELECTRON BEAM EMITTED FRM THE CATHODE, SAID ADJUSTING MEMBER BEING SENSITIVE TO RADIATION WHEREBY THE RESISTANCE THEREOF IS VARIABLE RESPONSIVE TO INCIDENT RADIATION DIRECTED THEREAGAINST, MEANS, ASSOCIATED WITH AND FORMING A PART OF SAID SOURCE, FOR RESPECTIVELY PRODUCING THE INCIDENT RADIATION AND MEANS, LIKEWISE ASSOCIATED WITH AND FORMING A PART OF SAID SOURCE, FOR ALTERING THE VALUES WHICH CHARACTERIZE THE INCIDENT RADIATION AND THEREBY AFFECT THE RESISTANCE VALUE OF THE RADIATION SENSITIVE ADJUSTING MEMBER.
Claim 2
Dependent Claim
137 words
AN ELECTRON RADIATION SOURCE COMPRISING THE COMBNATION OF A CATHODE AND A CONTROL DIAPHRAGM, AN ADJUSTING MEMBER WITH VARIABLE RESISTANCE VALUE DISPOSED IN A LEAD EXTENDING TO THE CATHODE, SAID ADJUSTING MEMBER EFFECTING BY ALTERATION OF THE POTENTIAL OF THE CATHODE, WHICH IS POSITIVE WITH RESPECT TO THE POTENTIAL OF THE CONTROL DIAPHRAGM, CONTROL OF THE POWER AND OF THE FOCUSING OF THE ELECTRON BEAM EMITTED FRM THE CATHODE, SAID ADJUSTING MEMBER BEING SENSITIVE TO RADIATION WHEREBY THE RESISTANCE THEREOF IS VARIABLE RESPONSIVE TO INCIDENT RADIATION DIRECTED THEREAGAINST, MEANS, ASSOCIATED WITH AND FORMING A PART OF SAID SOURCE, FOR RESPECTIVELY PRODUCING THE INCIDENT RADIATION AND MEANS, LIKEWISE ASSOCIATED WITH AND FORMING A PART OF SAID SOURCE, FOR ALTERING THE VALUES WHICH CHARACTERIZE THE INCIDENT RADIATION AND THEREBY AFFECT THE RESISTANCE VALUE OF THE RADIATION SENSITIVE ADJUSTING MEMBER.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |