Patent US3346746A successfully refreshed from Google Patents.
US3346746A
Expired / Lapsed
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Monostable multivibrator circuit having variable timing interval
Assignee: AT&T Inc
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Filing: 1965-10-20
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Granted: 1967-10-10
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Expires: 1985-10-20
Abstract
No abstract record available.
Inventors
- 👤 Alan M Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:39
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A GENERATOR OF VARIABLE DURATION PULSES WHICH COMPRISES A MONOSTABLE MULTIVIBRATOR HAVING A STABLE STATE, A QUASI-STABLE STATE, A TRIGGER INPUT, AND A TIMING IMPEDANCE FOR FIXING THE DURATION OF SAID QUASI-STABLE STATE, MEANS TO GENERATE INPUT PULSES, SAID INPUT PULSES BEING ROUTED TO SAID TRIGGER IMPUT TO TRIGGER SAID MULTIVIBRATOR FROM ITS STABLE STATE TO ITS QUASI-STABLE STATE, AND MEANS RESPONSIVE TO SAID PULSES TO SELECTIVELY SHORT OUT RESPECTIVELY DIFFERENT PORTIONS OF SAID TIMING IMPEDANCE, WHEREBY THE DURATION OF EACH PULSE GENERATED BY SAID MULTIVIBRATOR IS DEPENDENT UPON WHICH PORTION OF SAID TIMING IMPEDANCE IS SHORTED OUT.
Claim 2
Dependent Claim
98 words
A GENERATOR OF VARIABLE DURATION PULSES WHICH COMPRISES A MONOSTABLE MULTIVIBRATOR HAVING A STABLE STATE, A QUASI-STABLE STATE, A TRIGGER INPUT, AND A TIMING IMPEDANCE FOR FIXING THE DURATION OF SAID QUASI-STABLE STATE, MEANS TO GENERATE INPUT PULSES, SAID INPUT PULSES BEING ROUTED TO SAID TRIGGER IMPUT TO TRIGGER SAID MULTIVIBRATOR FROM ITS STABLE STATE TO ITS QUASI-STABLE STATE, AND MEANS RESPONSIVE TO SAID PULSES TO SELECTIVELY SHORT OUT RESPECTIVELY DIFFERENT PORTIONS OF SAID TIMING IMPEDANCE, WHEREBY THE DURATION OF EACH PULSE GENERATED BY SAID MULTIVIBRATOR IS DEPENDENT UPON WHICH PORTION OF SAID TIMING IMPEDANCE IS SHORTED OUT.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |