US3360732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gated circuit for producing oscillatory waveform across capacitor having twice the preselected gating frequency
Assignee: International Business Machines Corp
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Filing: 1965-02-26
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Granted: 1967-12-26
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Expires: 1985-02-26
Abstract
No abstract record available.
Inventors
- 👤 Connor F Haugh
- 👤 George A Hellwarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:01
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/156; G; G02; G02F; G02F1/00; G02F1/01; G02F1/03; G02F1/0327; H03K17/00; H03K17/51; H03K17/56; H03K17/60; H03K17/66; H03K17/665; H03K17/666; H03K5/01; H03K5/04; H03K5/07; H04; H04B; H04B10/00; H04J; H04J3/00; H04J3/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A CIRCUIT FOR CHARGING A CAPACITOR COMPRISING: A FIRST AND A SECOND BIDIRECTIONAL SWITCH AND A FIRST AND A SECOND POWER SUPPLY, AND AN INDUCTOR; SAID FIRST SWITCH AND SAID FIRST POWER SUPPLY BEING CONNECTED WITH SAID CAPACITOR IN A FIRST LOOP TO CHARGE SAID CAPACITOR IN ONE POLARITY; SAID CAPACITOR IN THE OPPOSITE POLARITY; SAID SECOND SWITCH AND SAID SECOND POWER SUPPLY DURING CONNECTED WITH SAID CAPACITOR IN A SECOND LOOP TO CHARGE SAID CAPACITOR IN SAID OPPOSITE POLARITY AND DISCHARGE SAID CAPACITOR IN SAID ONE POLARITY;
Claim 2
Dependent Claim
88 words
A CIRCUIT FOR CHARGING A CAPACITOR COMPRISING: A FIRST AND A SECOND BIDIRECTIONAL SWITCH AND A FIRST AND A SECOND POWER SUPPLY, AND AN INDUCTOR; SAID FIRST SWITCH AND SAID FIRST POWER SUPPLY BEING CONNECTED WITH SAID CAPACITOR IN A FIRST LOOP TO CHARGE SAID CAPACITOR IN ONE POLARITY; SAID CAPACITOR IN THE OPPOSITE POLARITY; SAID SECOND SWITCH AND SAID SECOND POWER SUPPLY DURING CONNECTED WITH SAID CAPACITOR IN A SECOND LOOP TO CHARGE SAID CAPACITOR IN SAID OPPOSITE POLARITY AND DISCHARGE SAID CAPACITOR IN SAID ONE POLARITY;
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |