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US3474261A Expired / Lapsed US ⏱️ 0.0 years remaining

Low voltage-low power multivibrator

Assignee: Westinghouse Electric Corp
•
Filing: 1966-12-20
•
Granted: 1969-10-21
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Expires: 1986-12-20
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Abstract

No abstract record available.

Inventors

  • 👤 Olaf R Ryerson
  • 👤 Dieter Doring

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:36
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/28; H; H03; H03K; H03K3/00; H03K3/01; H03K3/012; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/286

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 167 words
A LOW POWER LOGIC CIRCUIT COMPRISING: (A) A FIRST TRANSISTOR STAGE INCLUDING FIRST AND SECOND TRANSISTORS EACH HAVING AN ELECTRODE COMMONLY CONNECTED TO A FIRST CIRCUIT POINT; (B) A SECOND TRANSISTOR STAGE INCLUDING THIRD AND FORTH TRANSISTORS EACH HAVING AN ELECTRODE COMMONLY CONNECTED TO A SECOND CIRCUIT POINT; (C) SAID FIRST AND SECOND TRANSISTOR STAGES BEING CROSS CONNECTED FOR MULTIVIBRATOR ACTION; (D) A FIRST NORMALLY OFF TRANSISTOR; (E) A SECOND NORMALLY OFF TRANSISTOR; (F) THE COLLECTOR OF SAID FIRST NORMALLY OFF TRANSISTOR BEING CONNECTED TO THE BASE OF SAID FIRST TRANSISTOR; (G) THE COLLECTOR OF SAID SECOND NORMALLY OFF TRANSISTOR BEING CONNECTED TO THE BASE OF SAID THIRD TRANSISTOR; (H) THE BASE OF SAID FIRST AND SECOND NORMALLY OFF TRANSISTORS BEING FOR RECEIPT OF RESPECTIVE INPUT SIGNALS; (I) A SOURCE OF UNPUT TRIGGER PULSES FOR SELECTIVELY AND MOMENTARILY TURNING ON ONE OF SAID FIRST OR SECOND NORMALLY OFF TRANSISTORS FOR ESTABLISHING A CONDUCTIVE CURRENT PATH FOR THE TRANSISTOR TO WHICH THE SELECTIVELY TURNED ON TRANSISTOR IS CONNECTED;
Claim 2
Dependent Claim 167 words
A LOW POWER LOGIC CIRCUIT COMPRISING: (A) A FIRST TRANSISTOR STAGE INCLUDING FIRST AND SECOND TRANSISTORS EACH HAVING AN ELECTRODE COMMONLY CONNECTED TO A FIRST CIRCUIT POINT; (B) A SECOND TRANSISTOR STAGE INCLUDING THIRD AND FORTH TRANSISTORS EACH HAVING AN ELECTRODE COMMONLY CONNECTED TO A SECOND CIRCUIT POINT; (C) SAID FIRST AND SECOND TRANSISTOR STAGES BEING CROSS CONNECTED FOR MULTIVIBRATOR ACTION; (D) A FIRST NORMALLY OFF TRANSISTOR; (E) A SECOND NORMALLY OFF TRANSISTOR; (F) THE COLLECTOR OF SAID FIRST NORMALLY OFF TRANSISTOR BEING CONNECTED TO THE BASE OF SAID FIRST TRANSISTOR; (G) THE COLLECTOR OF SAID SECOND NORMALLY OFF TRANSISTOR BEING CONNECTED TO THE BASE OF SAID THIRD TRANSISTOR; (H) THE BASE OF SAID FIRST AND SECOND NORMALLY OFF TRANSISTORS BEING FOR RECEIPT OF RESPECTIVE INPUT SIGNALS; (I) A SOURCE OF UNPUT TRIGGER PULSES FOR SELECTIVELY AND MOMENTARILY TURNING ON ONE OF SAID FIRST OR SECOND NORMALLY OFF TRANSISTORS FOR ESTABLISHING A CONDUCTIVE CURRENT PATH FOR THE TRANSISTOR TO WHICH THE SELECTIVELY TURNED ON TRANSISTOR IS CONNECTED;

References Cited (Backward Citations)

US3010031A Cited
US3067336A Cited
US3237024A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-10-20 1973-04-21 1973-10-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-10-20 1977-04-21 1977-10-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-10-20 1981-04-21 1981-10-21 $7700.00 Window Closed / Lapsed

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