US3287567A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lower-value voltage limiter
Assignee: North American Aviation Corp
•
Filing: 1963-09-30
•
Granted: 1966-11-22
•
Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Bernard N Gaon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:51
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A LOWER VALUE VOLTAGE LIMITER COMPRISING ONE PAIR OF UNIDIRECTIONAL CONDUCTING DEVICES CONNECTED TO ONE COMMON JUNCTION, EACH DEVICE HAVING TWO TERMINALS AND BEING POLED FOR FORWARD CONDUCTION IN THE SAME DIRECTION WITH RESPECT TO SAID ONE JUNCTION, A CURRENT LIMITING RESISTOR COUPLING SAID COMMON JUNCTION TO A LOAD, ONE OF SAID DEVICES ADAPTED TO BE CONNECTED TO AN INPUT SIGNAL SOURCE TENDING TO PROVIDE CONDUCTION OF CURRENT THERETHROUGH AT LEAST PART OF THE TIME, AND A REFERENCE SIGNAL SOURCE CONNECTED TO THE OTHER OF SAID DEVICES TENDING TO PROVIDE CURRENT THERETHROUGH AT LEAST DURING THE TIME SAID INPUT SIGNAL TENDS TO PROVIDE CURRENT THROUGH SAID ONE DEVICE, WHEREBY CURRENT IS PROVIDED TO SAID LOW IMPEDANCE SUMMING NETWORK FROM SAID INPUT SIGNAL SOURCE OR SAID REFERENCE SIGNAL SOURCE, WHICHEVER IS GREATER IN AMPLITUDE.
Claim 2
Dependent Claim
133 words
A LOWER VALUE VOLTAGE LIMITER COMPRISING ONE PAIR OF UNIDIRECTIONAL CONDUCTING DEVICES CONNECTED TO ONE COMMON JUNCTION, EACH DEVICE HAVING TWO TERMINALS AND BEING POLED FOR FORWARD CONDUCTION IN THE SAME DIRECTION WITH RESPECT TO SAID ONE JUNCTION, A CURRENT LIMITING RESISTOR COUPLING SAID COMMON JUNCTION TO A LOAD, ONE OF SAID DEVICES ADAPTED TO BE CONNECTED TO AN INPUT SIGNAL SOURCE TENDING TO PROVIDE CONDUCTION OF CURRENT THERETHROUGH AT LEAST PART OF THE TIME, AND A REFERENCE SIGNAL SOURCE CONNECTED TO THE OTHER OF SAID DEVICES TENDING TO PROVIDE CURRENT THERETHROUGH AT LEAST DURING THE TIME SAID INPUT SIGNAL TENDS TO PROVIDE CURRENT THROUGH SAID ONE DEVICE, WHEREBY CURRENT IS PROVIDED TO SAID LOW IMPEDANCE SUMMING NETWORK FROM SAID INPUT SIGNAL SOURCE OR SAID REFERENCE SIGNAL SOURCE, WHICHEVER IS GREATER IN AMPLITUDE.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |