US3275920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High voltage supply circuit
Assignee: Sony Corp
•
Filing: 1962-10-29
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Granted: 1966-09-27
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Shimada Satoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:21
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/42; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/068; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A HIGH VOLTAGE SUPPLY CIRCUIT, A TRANSFORMER HAVING A PRIMARY WINDING AND TWO SECONDARY WINDINGS EACH HAVING A PAIR OF END TERMINALS, A RECTIFIER CONNECTED BETWEEN ONE TERMINAL OF ONE OF SAID SECONDARY WINDINGS AND ONE TERMINAL OF THE OTHER OF SAID SECONDARY WINDINGS, THE OTHER TERMINALS OF SAID WINDINGS BEING EACH CONNECTED TO A RESPECTIVE SIDE OF A LOAD, THE PRODUCT OF THE INDUCTANCE AND STRAY CAPACITANCE TO GROUND OF EACH OF SAID SECONDARY WINDINGS BEING THEREBY SUBSTANTIALLY LESS THAN THE PRODUCT OF THE INDUCTANCE AND STRAP CAPACITANCE OF A WINDING HAVING A NUMBER OF TURNS EQUAL TO THE TOTAL OF THE NUMBER OF TURNS OF SAID SECONDARY WINDINGS, TO INCREASE THE FREQUENCY RANGE OF OPERATION AND EFFICIENCY OF THE CIRCUIT.
Claim 2
Dependent Claim
123 words
IN A HIGH VOLTAGE SUPPLY CIRCUIT, A TRANSFORMER HAVING A PRIMARY WINDING AND TWO SECONDARY WINDINGS EACH HAVING A PAIR OF END TERMINALS, A RECTIFIER CONNECTED BETWEEN ONE TERMINAL OF ONE OF SAID SECONDARY WINDINGS AND ONE TERMINAL OF THE OTHER OF SAID SECONDARY WINDINGS, THE OTHER TERMINALS OF SAID WINDINGS BEING EACH CONNECTED TO A RESPECTIVE SIDE OF A LOAD, THE PRODUCT OF THE INDUCTANCE AND STRAY CAPACITANCE TO GROUND OF EACH OF SAID SECONDARY WINDINGS BEING THEREBY SUBSTANTIALLY LESS THAN THE PRODUCT OF THE INDUCTANCE AND STRAP CAPACITANCE OF A WINDING HAVING A NUMBER OF TURNS EQUAL TO THE TOTAL OF THE NUMBER OF TURNS OF SAID SECONDARY WINDINGS, TO INCREASE THE FREQUENCY RANGE OF OPERATION AND EFFICIENCY OF THE CIRCUIT.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |