US3125707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
culbertson
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:43
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A TIME DELAY CIRCUIT COMPRISING A FLIP-FLOP HAVING A FIRST AND A SECOND ENERGY TRANSLATING DEVICE EACH WITH AN INPUT, OUTPUT AND CONTROL ELECTRODE, INPUT SWITCHING MEANS, MEANS CAUSING SAID FIRST RATHER THAN SAID SECOND ENERGY TRANSLATING DEVICE TO CONDUCT UPON OPERATION OF SAID INPUT SWITCHING MEANS, COUPLING MEANS FROM THE OUTPUT ELECTRODE OF SAID FIRST TO THE CONTROL ELECTRODE OF SAID SECOND ENERGY TRANSLATING DEVICE FOR MAINTAINING SAID SECOND DEVICE NON-CONDUCTING, OUTPUT CIRCUIT MEANS RESPONSIVE TO THE RESPECTIVE CONDUCTION STATES OF SAID FIRST AND SECOND DEVICES, A TIMING CAPACITOR, MEANS FOR CHARGING SAID TIMING CAPACITOR RESPONSIVE TO THE OPERATION OF SAID INPUT SWITCHING MEANS, A DOUBLE-BASE DIODE HAVING A FIRST AND SECOND BASE ELECTRODE AND AN EMITTER ELECTRODE, MEANS CAUSING CONDUCTION BETWEEN SAID EMITTER ELECTRODE AND SAID FIRST BASE ELECTRODE ONLY WHEN SAID TIMING CAPACITOR REACHES A PREDETERMINED VOLTAGE THEREBY CAUSING SAID DOUBLE-BASE DIODE TO INSTANTLY ENTER A NEGATIVE RESISTANCE REGION, AND TRIGGERING MEANS CONNECTED TO SAID FLIP-FLOP
Claim 2
Dependent Claim
159 words
A TIME DELAY CIRCUIT COMPRISING A FLIP-FLOP HAVING A FIRST AND A SECOND ENERGY TRANSLATING DEVICE EACH WITH AN INPUT, OUTPUT AND CONTROL ELECTRODE, INPUT SWITCHING MEANS, MEANS CAUSING SAID FIRST RATHER THAN SAID SECOND ENERGY TRANSLATING DEVICE TO CONDUCT UPON OPERATION OF SAID INPUT SWITCHING MEANS, COUPLING MEANS FROM THE OUTPUT ELECTRODE OF SAID FIRST TO THE CONTROL ELECTRODE OF SAID SECOND ENERGY TRANSLATING DEVICE FOR MAINTAINING SAID SECOND DEVICE NON-CONDUCTING, OUTPUT CIRCUIT MEANS RESPONSIVE TO THE RESPECTIVE CONDUCTION STATES OF SAID FIRST AND SECOND DEVICES, A TIMING CAPACITOR, MEANS FOR CHARGING SAID TIMING CAPACITOR RESPONSIVE TO THE OPERATION OF SAID INPUT SWITCHING MEANS, A DOUBLE-BASE DIODE HAVING A FIRST AND SECOND BASE ELECTRODE AND AN EMITTER ELECTRODE, MEANS CAUSING CONDUCTION BETWEEN SAID EMITTER ELECTRODE AND SAID FIRST BASE ELECTRODE ONLY WHEN SAID TIMING CAPACITOR REACHES A PREDETERMINED VOLTAGE THEREBY CAUSING SAID DOUBLE-BASE DIODE TO INSTANTLY ENTER A NEGATIVE RESISTANCE REGION, AND TRIGGERING MEANS CONNECTED TO SAID FLIP-FLOP
References Cited (Backward Citations)
US2845548A
Cited
US2949582A
Cited
US2875382A
Cited
US3005935A
Cited
US2970228A
Cited
US3047745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |