US3256475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectifier circuit
Assignee: Weston Instruments Inc
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Filing: 1962-01-08
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Granted: 1966-06-14
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Expires: 1982-01-08
Abstract
No abstract record available.
Inventors
- 👤 Austin T Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:21
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/04; H02M7/06; H02M7/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A RECTIFIER COMPRISING, A BRIDGE NETWORK HAVING A PAIR OF INPUT TERMINALS ADAPTED FOR CONNECTION TO A SOURCE OF ALTERNATING POTENTIAL, SAID BRIDGE INCLUDING A FIRST SERIES CIRCUIT AND A SECOND SERIES CIRCUIT CONNECTED IN PARALLEL BETWEEN SAID INPUT TERMINALS, SAID FIRST AND SECOND CIRCUITS EACH INCLUDING A DIODE CONNECTED IN SERIES WITH A RESISTOR, THE ANODE OF ONE OF SAID DIODES AND THE CATHODE OF THE OTHER OF SAID DIODES BEING CONNECTED TO A COMMON POINT SERVING AS ONE OF SAID INPUT TERMINALS, SAID DIODES HAVING A ROTIO OF FORWARD-TO-REVERSE IMPEDANCE WHICH VARIES ASYMMETRICALLY FROM SUBSTANTIALLY GREATER THAN ONE TO SUBSTANTIALLY LESS THAN ONE WITH CHANGES IN THE APPLIED ALTERNATING POTENTIAL, THE JUNCTION BETWEEN THE DIODE AND RESISTOR IN EACH OF SAID SERIES CIRCUITS EACH FORMING AN OUTPUT TERMINAL FOR SAID BRIDGE, WHEREBY SUBSTANTIALLY NO OUTPUT SIGNALE IS PRODUCED BETWEEN SAID OUTPUT TERMINALS WHEN A GIVEN VALUE OF ALTERNATING POTENTIAL IS APPLIED TO SAID INPUT TERMINALS.
Claim 2
Dependent Claim
157 words
A RECTIFIER COMPRISING, A BRIDGE NETWORK HAVING A PAIR OF INPUT TERMINALS ADAPTED FOR CONNECTION TO A SOURCE OF ALTERNATING POTENTIAL, SAID BRIDGE INCLUDING A FIRST SERIES CIRCUIT AND A SECOND SERIES CIRCUIT CONNECTED IN PARALLEL BETWEEN SAID INPUT TERMINALS, SAID FIRST AND SECOND CIRCUITS EACH INCLUDING A DIODE CONNECTED IN SERIES WITH A RESISTOR, THE ANODE OF ONE OF SAID DIODES AND THE CATHODE OF THE OTHER OF SAID DIODES BEING CONNECTED TO A COMMON POINT SERVING AS ONE OF SAID INPUT TERMINALS, SAID DIODES HAVING A ROTIO OF FORWARD-TO-REVERSE IMPEDANCE WHICH VARIES ASYMMETRICALLY FROM SUBSTANTIALLY GREATER THAN ONE TO SUBSTANTIALLY LESS THAN ONE WITH CHANGES IN THE APPLIED ALTERNATING POTENTIAL, THE JUNCTION BETWEEN THE DIODE AND RESISTOR IN EACH OF SAID SERIES CIRCUITS EACH FORMING AN OUTPUT TERMINAL FOR SAID BRIDGE, WHEREBY SUBSTANTIALLY NO OUTPUT SIGNALE IS PRODUCED BETWEEN SAID OUTPUT TERMINALS WHEN A GIVEN VALUE OF ALTERNATING POTENTIAL IS APPLIED TO SAID INPUT TERMINALS.
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) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |