Patent US3240958A successfully refreshed from Google Patents.
US3240958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doubler circuit
Assignee: RCA Corp
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Filing: 1963-10-14
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Granted: 1966-03-15
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Expires: 1983-10-14
Abstract
No abstract record available.
Inventors
- 👤 Kerios Pan
- 👤 Troiano Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:46
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2823; H02; H02M; H02M3/00; H02M3/02; H02M3/04; H02M3/06; H02M3/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
255 words
A VOLTAGE DOUBLER CIRCUIT COMPRISING (A) A PAIR OF INPUT TERMINALS FOR APPLYING A SOURCE OF VOLTAGE THEREBETWEEN, (B) A PAIR OF OUTPUT TERMINALS FOR DERIVING AN OUTPUT VOLTAGE THEREBETWEEN, (C) A FIRST CAPACITOR, (D) AN OSCILLATOR CIRCUIT HAVING AN INPUT AND TWO OUTPUTS, (E) MEANS CONNECTING SAID INPUT OF SAID OSCILLATOR CIRCUIT TO SAID INPUT TERMINALS FOR ENERGIZING SAID OSCILLATOR CIRCUIT, SAID OSCILLATOR CIRCUIT PROVIDING, WHEN ENERGIZED, PERIODIC OUTPUT SIGNALS AT SAID TWO OUTPUTS, RESPECTIVELY, THAT ARE OUT OF PHASE WITH EACH OTHER, (F) A FIRST DIODE, (G) MEANS CONNECTIN SAID FIRST DIODE AND SAID FIRST CAPACITOR IN SERIES BETWEEN ONE OF SAID INPUT TERMINALS AND ONE OF SAID OUTPUTS OF SAID OSCILLATOR CIRCUIT, SAID FIRST DIODE BEING POLED SO THAT CURRENT MAY FLOW TO SAID FIRST CAPACITOR, (H) A SWITCHING TRANSISTOR HAVING AN EMITTER-COLLECTOR PATH AND A BASE, (I) MEANS CONNECTING THE OTHER OF SAID TWO OUTPUTS OF SAID OSCILLATOR CIRCUIT TO SAID BASE OF SAID SWITCHING TRANSISTOR TO GATE SAID TRANSISTOR "ON" AND "OFF" PERIODICALLY BY ONE OF SAID OUTPUT SIGNALS, (J) MEANS CCONNECTING SAID EMITTER-COLLECTOR PATH OF SAID SWITCHING TRANSISTOR BETWEEN SAID FIRST CAPACITOR AND THE OTHER OF SAID INPUT TERMINALS, (K) A SECOND CAPACITOR, (L) A SECOND DIODE, (M) MEANS CONNECTING SAID FIRST AND SAID SECOND DIODES AND SAID SECOND CAPACITOR IN SERIES BETWEEN SAID INPUT TERMINALS, SAID SECOND DIODE BEING POLED SO THAT CURRENT MAY FLOW FROM SAID FIRST CAPACITOR TO SAID SECOND CAPACITOR, AND (N) MEANS CONNECTING SAID OUTPUT TERMINALS TO OPPOSITE SIDES, RESPECTIVELY, OF SAID SECOND CAPACITOR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |