US3178592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking read amplifier with binary storage
Assignee: Raytheon Co
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Filing: 1962-04-10
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Granted: 1965-04-13
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Expires: 1982-04-10
Abstract
No abstract record available.
Inventors
- 👤 Charles H Fischer
- 👤 Donald S Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:52
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286; H03K3/01; H03K3/013; H03K5/00; H03K5/01; H03K5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A CIRCUIT COMPRISING: FIRST AND SECOND TRANSISTORS EACH HAVING AN EMITTER ELECTRODE, A BASE ELECTRODE, AND A COLLECTOR ELECTRODE; TRIGGER MEANS COUPLED TO THE BASE ELECTRODE OF AT LEAST SAID FIRST TRANSISTOR FOR APPLYING A TRIGGER SIGNAL THERETO; FIRST IMPEDANCE MEANS COUPLED BETWEEN THE BASE ELECTRODE OF SAID FIRST TRANSISTOR AND THE COLLECTOR ELECTRODE OF SAID SECOND TRANSISTOR; SECOND IMPEDANCE MEANS COUPLED BETWEEN THE BASE ELECTRODE OF SAID SECOND TRANSISTOR AND THE COLLECTOR ELECTRODE OF SAID FIRST TRANSISTOR; THE EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS BEING COUPLED TOGETHER; ENABLING MEANS INCLUDING A DIODE COUPLED TO THE COMMON EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS FOR SELECTIVELY BIASING SAID TRANSISTORS TO A STEADY STATE CONDITION IN WHICH BOTH TRANSISTORS ARE NON-CONDUCTIVE WHEN SAID DIODE IS CONDUCTIVE AND TO A TRANSIENT CONDITION IN WHICH EITHER ONE OF SAID TRANSISTORS IS CAPABLE OF BEING RENDERED CONDUCTIVE BY
Claim 2
Dependent Claim
147 words
A CIRCUIT COMPRISING: FIRST AND SECOND TRANSISTORS EACH HAVING AN EMITTER ELECTRODE, A BASE ELECTRODE, AND A COLLECTOR ELECTRODE; TRIGGER MEANS COUPLED TO THE BASE ELECTRODE OF AT LEAST SAID FIRST TRANSISTOR FOR APPLYING A TRIGGER SIGNAL THERETO; FIRST IMPEDANCE MEANS COUPLED BETWEEN THE BASE ELECTRODE OF SAID FIRST TRANSISTOR AND THE COLLECTOR ELECTRODE OF SAID SECOND TRANSISTOR; SECOND IMPEDANCE MEANS COUPLED BETWEEN THE BASE ELECTRODE OF SAID SECOND TRANSISTOR AND THE COLLECTOR ELECTRODE OF SAID FIRST TRANSISTOR; THE EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS BEING COUPLED TOGETHER; ENABLING MEANS INCLUDING A DIODE COUPLED TO THE COMMON EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS FOR SELECTIVELY BIASING SAID TRANSISTORS TO A STEADY STATE CONDITION IN WHICH BOTH TRANSISTORS ARE NON-CONDUCTIVE WHEN SAID DIODE IS CONDUCTIVE AND TO A TRANSIENT CONDITION IN WHICH EITHER ONE OF SAID TRANSISTORS IS CAPABLE OF BEING RENDERED CONDUCTIVE BY
References Cited (Backward Citations)
US2920215A
Cited
US2898479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |