US3263090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data stretching circuit
Assignee: Westinghouse Air Brake Co
•
Filing: 1962-04-20
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Granted: 1966-07-26
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas J Blocher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:12
CPC Classifications
B; B61; B61L; B61L1/00; B61L1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A CIRCUIT FOR STRETCHING A SIGNAL FROM A SOURCE FOR A PREDETERMINED PERIOD BEYOND THE DURATION OF SAID SIGNAL COMPRISING, AN AMPLIFIER HAVING A FIRST AND SECOND STAGE WITH INPUT AND OUTPUT TERMINALS TO EACH STAGE, A PULSE SOURCE FOR PROVIDING A PULSE HAVING A LEADING EDGE AND A TRAILING EDGE, A FIRST GATE ACTUATED A LEADING EDGE EDGE OF SAID PULSE FOR ADMITTING SAID SIGNAL INTO SAID FIRST AMPLIFIER STAGE, STORAGE MEANS FOR RECEIVING AND STORING SAID SIGNAL AND FOR APPLYING SAID SIGNAL TO SAID SECOND STAGE TO PROVIDE A CONTINUOUS OUTPUT REPRESENTATIVE OF THE AMPLITUDE OF SAID SIGNAL, A SECOND GATE CONNECTED TO A JUNCTION BETWEEN THE OUTPUT TERMINAL OF SAID FIRST AMPLIFIER
Claim 2
Dependent Claim
115 words
A CIRCUIT FOR STRETCHING A SIGNAL FROM A SOURCE FOR A PREDETERMINED PERIOD BEYOND THE DURATION OF SAID SIGNAL COMPRISING, AN AMPLIFIER HAVING A FIRST AND SECOND STAGE WITH INPUT AND OUTPUT TERMINALS TO EACH STAGE, A PULSE SOURCE FOR PROVIDING A PULSE HAVING A LEADING EDGE AND A TRAILING EDGE, A FIRST GATE ACTUATED A LEADING EDGE EDGE OF SAID PULSE FOR ADMITTING SAID SIGNAL INTO SAID FIRST AMPLIFIER STAGE, STORAGE MEANS FOR RECEIVING AND STORING SAID SIGNAL AND FOR APPLYING SAID SIGNAL TO SAID SECOND STAGE TO PROVIDE A CONTINUOUS OUTPUT REPRESENTATIVE OF THE AMPLITUDE OF SAID SIGNAL, A SECOND GATE CONNECTED TO A JUNCTION BETWEEN THE OUTPUT TERMINAL OF SAID FIRST AMPLIFIER
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |