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
•
Expires: 1986-12-20
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)
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 |