Patent US3233124A successfully refreshed from Google Patents.
US3233124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impulse counter employing blocking oscillator-transistor combination, and timing circuit for preventing false outputs
Assignee: AT&T Inc
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Filing: 1963-04-01
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Granted: 1966-02-01
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 David L Favin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:48
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/30; H03K21/00; H03K21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PULSE COUNTING CIRCUIT COMPRISING IN COMBINATION A PULSE GENERATOR INCLUDING A BLOCKING OSCILLATOR HAVING INPUT AND OUTPUT CIRCUITS, A TRANSISTOR HAVING INPUT AND OUTPUT CIRCUITS, SAID OSCILLATOR AND TRANSISTOR HAVING SAID INPUT CIRCUITS CONNECTED TO A COMMON TERMINAL, AND MEANS INTERCONNECTING SAID OSCILLATOR AND TRANSISTOR INPUT AND OUTPUT CIRCUITS TO BIAS SAID TRANSISTOR CONDUCTIVE AND SAID OSCILLATOR NONCONDUCTIVE, A SOURCE PROVIDING PULSES TO RENDER SAID OSCILLATOR CONDUCTIVE AND SAID TRANSISTOR NONCONDUCTIVE FOR PROVIDING A CORRESPONDING PULSE IN SAID TRANSISTOR OUTPUT CIRCUIT, MEANS TO COUNT THE CORRESPONDING PULSES PROVIDED IN SAID TRANSISTOR OUTPUT CIRCUIT, SAID COUNTING MEANS REQUIRING A FINITE TIME TO OPERATE IN RESPONSE
Claim 2
Dependent Claim
105 words
A PULSE COUNTING CIRCUIT COMPRISING IN COMBINATION A PULSE GENERATOR INCLUDING A BLOCKING OSCILLATOR HAVING INPUT AND OUTPUT CIRCUITS, A TRANSISTOR HAVING INPUT AND OUTPUT CIRCUITS, SAID OSCILLATOR AND TRANSISTOR HAVING SAID INPUT CIRCUITS CONNECTED TO A COMMON TERMINAL, AND MEANS INTERCONNECTING SAID OSCILLATOR AND TRANSISTOR INPUT AND OUTPUT CIRCUITS TO BIAS SAID TRANSISTOR CONDUCTIVE AND SAID OSCILLATOR NONCONDUCTIVE, A SOURCE PROVIDING PULSES TO RENDER SAID OSCILLATOR CONDUCTIVE AND SAID TRANSISTOR NONCONDUCTIVE FOR PROVIDING A CORRESPONDING PULSE IN SAID TRANSISTOR OUTPUT CIRCUIT, MEANS TO COUNT THE CORRESPONDING PULSES PROVIDED IN SAID TRANSISTOR OUTPUT CIRCUIT, SAID COUNTING MEANS REQUIRING A FINITE TIME TO OPERATE IN RESPONSE
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |