US3222614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise generator for microwaves comprising a gas discharge tube within a waveguide
Assignee: US Philips Corp
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Filing: 1962-03-09
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Granted: 1965-12-07
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Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
- 👤 Hart Paul Anton Herman
- 👤 Plantinga Gerrit Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:19
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/36; B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203; B01L3/0206; H01; H01J; H01J17/00; H01J17/005; H03B; H03B29/00; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/48; H03K4/60; H03K4/69; H03K4/72; H03K6/00; H03K6/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A MICROWAVE NOISE GENERATOR COMPRISING A WAVEGUIDE CLOSED AT ONE END BY A MICROWAVE ENERGY TRANSMISSIBLE WINDOW, AN IONIZABLE MEDIUM AT LEAST PARTLY CONTAINED WITHIN THE WAVE-GUIDE, AND MEANS TO PRODUCE A POSITIVE COLUMN DISCHARGE IN SAID IONIZABLE MEDIUM COMPRISING A TUBULAR INSULATING MEMBER HAVING AN OPEN END IN THE WAVE-GUIDE SPACED FROM THE WINDOW AND EXTENDING PARTLY WITHIN A PORTION OF THE WAVE-GUIDE SURROUNDING THE IONIZABLE MEDIUM, A CATHODE WITHIN THE TUBULAR INSULATING MEMBER ADJACENT THE OTHER END OF THE WAVE-GUIDE, AND AN ANODE ADJACENT THE END OF THE TUBULAR INSULATING MEMBER AND WITHIN THE WAVE-GUIDE.
Claim 2
Dependent Claim
97 words
A MICROWAVE NOISE GENERATOR COMPRISING A WAVEGUIDE CLOSED AT ONE END BY A MICROWAVE ENERGY TRANSMISSIBLE WINDOW, AN IONIZABLE MEDIUM AT LEAST PARTLY CONTAINED WITHIN THE WAVE-GUIDE, AND MEANS TO PRODUCE A POSITIVE COLUMN DISCHARGE IN SAID IONIZABLE MEDIUM COMPRISING A TUBULAR INSULATING MEMBER HAVING AN OPEN END IN THE WAVE-GUIDE SPACED FROM THE WINDOW AND EXTENDING PARTLY WITHIN A PORTION OF THE WAVE-GUIDE SURROUNDING THE IONIZABLE MEDIUM, A CATHODE WITHIN THE TUBULAR INSULATING MEMBER ADJACENT THE OTHER END OF THE WAVE-GUIDE, AND AN ANODE ADJACENT THE END OF THE TUBULAR INSULATING MEMBER AND WITHIN THE WAVE-GUIDE.
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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |