US3139587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amplitude limiting circuit
Assignee: RTX Corp
•
Filing: 1960-10-17
•
Granted: 1964-06-30
•
Expires: 1980-10-17
Abstract
No abstract record available.
Inventors
- 👤 William C Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:14
CPC Classifications
H; H03; H03G; H03G11/00; H03G11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A CONTROL CIRCUIT FOR PASSING SIGNALS ONLY WHEN THE SIGNALS ARE BELOW A PRESELECTED MAGNITUDE COMPRISING MEANS TO SUPPLY AN INPUT SIGNAL OF VARYING AMPLITUDE, AN OUTPUT CIRCUIT, A FIRST CIRCUIT PATH INCLUDING A PAIR OF BACK-TO-BACK SERIES DIODES FOR CONDUCTING SAID INPUT SIGNAL TO SAID OUTPUT CIRCUIT, MEANS FOR SUPPLYING A BIASING SIGNAL TO THE JUNCTION BETWEEN SAID DIODES TO RENDER SAID
Claim 2
Dependent Claim
63 words
A CONTROL CIRCUIT FOR PASSING SIGNALS ONLY WHEN THE SIGNALS ARE BELOW A PRESELECTED MAGNITUDE COMPRISING MEANS TO SUPPLY AN INPUT SIGNAL OF VARYING AMPLITUDE, AN OUTPUT CIRCUIT, A FIRST CIRCUIT PATH INCLUDING A PAIR OF BACK-TO-BACK SERIES DIODES FOR CONDUCTING SAID INPUT SIGNAL TO SAID OUTPUT CIRCUIT, MEANS FOR SUPPLYING A BIASING SIGNAL TO THE JUNCTION BETWEEN SAID DIODES TO RENDER SAID
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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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |