US3350600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rc circuit means to compensate for defocusing of a pulsed image intensifier
Assignee: Individual
•
Filing: 1965-05-24
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Granted: 1967-10-31
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 William J Hannan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:28
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/501; H01J31/502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A FOUCUS COMPENSATION CIRCUIT FOR A PULSED IMAGE INTENSIFIER TUBE COMPRISING A PULSED IAMGE INTENSIFIER TUBE HAVING PHOTO-CATHODE AND FOCUS ELECTRODES, AND A HIGH VOLTAGE POWER SUPPLY CONNECTED TO SAID PHOTO-CATHODE ELECTRODE BY WAY OF A SWITCH AND SIMULTANEOUSLY CONNECTED TO SAID FOCUS ELECTRODE BY WAY OF SAID SWITCH AND A FOCUS COMPENSATION NETWORK INCLUDING A VOLTAGE DIVIDER NETWORK COMPENSATED FOR STRAY CAPACITANCE.
Claim 2
Dependent Claim
63 words
A FOUCUS COMPENSATION CIRCUIT FOR A PULSED IMAGE INTENSIFIER TUBE COMPRISING A PULSED IAMGE INTENSIFIER TUBE HAVING PHOTO-CATHODE AND FOCUS ELECTRODES, AND A HIGH VOLTAGE POWER SUPPLY CONNECTED TO SAID PHOTO-CATHODE ELECTRODE BY WAY OF A SWITCH AND SIMULTANEOUSLY CONNECTED TO SAID FOCUS ELECTRODE BY WAY OF SAID SWITCH AND A FOCUS COMPENSATION NETWORK INCLUDING A VOLTAGE DIVIDER NETWORK COMPENSATED FOR STRAY CAPACITANCE.
References Cited (Backward Citations)
US2494457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |