US3343493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arming and firing circuit
Assignee: Individual
•
Filing: 1966-01-11
•
Granted: 1967-09-26
•
Expires: 1986-01-11
Abstract
No abstract record available.
Inventors
- 👤 Darrell D Aulds
- 👤 Jr Harold R Scheibe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:45
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; H03K17/73; F; F42; F42C; F42C11/00; F42C11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A CIRCUIT FOR CONTROLLING A LOAD COMPRISING ELECTRICAL GROUND MEANS; A FIRST AND SECOND SILICON CONTROLLED RECTIFIER, EACH OF SAID RECTIFIERS HAVING AN ANODE, A CATHODE AND A CONTROL GATE, SAID CATHODE, OF SAID FIRST RECTIFIER CONNECTED TO SAID GATE OF SAID SECOND RECTIFIER, THE ANODES OF SAID FIRST AND SECOND RECTIFIERS ELECTRICALLY COUPLED TO SAID GROUND MEANS; A FIRING CAPACITOR ELECTRICALLY CONNECTED TO SAID ANODE OF SAID SECOND RECTIFIER; A ZENER DIODE ELECTRICALLY CONNECTED TO SAID CONTROL GATE OF SAID FIRST RECTIFIER; A RESISTANCE-CAPACITANCE NETWORK MEANS ELECTRICALLY CONNECTED IN PARALLEL BETWEEN SAID ZENER DIODE AND SAID ANODE OF SAID FIRST RECTIFIER; A POTENTIAL SOURCE MEANS ELECTRICALLY COUPLED TO SAID CIRCUIT FOR CHARING BOTH THE CAPACITANCE OF SAID NETWORK MEANS AND SAID FIRING CAPACITOR WHEREBY IF THE CIRCUIT IS DISCONNECTED FROM BOTH SAID POTENTIAL SOURCE MEANS AND SAID ELECTRICAL GROUND MEANS THE CAPACITANCE DISCHARGES THROUGH THE RESISTANCE OF SAID NETWORK MEANS AND CAUSES SAID ZENER DIODE TO CONDUCT AFTER A PREDETERMINED TIME LAG WHICH IN TURN ALLOWS THE FIRST AND SECOND RECTIFIERS TO CONDUCT AND THUS PERMITS THE FIRING CAPACITOR TO DISCHARGE THROUGH SAID SECOND RECTIFIER TO A LOAD TO BE CONTROLLED.
Claim 2
Dependent Claim
192 words
A CIRCUIT FOR CONTROLLING A LOAD COMPRISING ELECTRICAL GROUND MEANS; A FIRST AND SECOND SILICON CONTROLLED RECTIFIER, EACH OF SAID RECTIFIERS HAVING AN ANODE, A CATHODE AND A CONTROL GATE, SAID CATHODE, OF SAID FIRST RECTIFIER CONNECTED TO SAID GATE OF SAID SECOND RECTIFIER, THE ANODES OF SAID FIRST AND SECOND RECTIFIERS ELECTRICALLY COUPLED TO SAID GROUND MEANS; A FIRING CAPACITOR ELECTRICALLY CONNECTED TO SAID ANODE OF SAID SECOND RECTIFIER; A ZENER DIODE ELECTRICALLY CONNECTED TO SAID CONTROL GATE OF SAID FIRST RECTIFIER; A RESISTANCE-CAPACITANCE NETWORK MEANS ELECTRICALLY CONNECTED IN PARALLEL BETWEEN SAID ZENER DIODE AND SAID ANODE OF SAID FIRST RECTIFIER; A POTENTIAL SOURCE MEANS ELECTRICALLY COUPLED TO SAID CIRCUIT FOR CHARING BOTH THE CAPACITANCE OF SAID NETWORK MEANS AND SAID FIRING CAPACITOR WHEREBY IF THE CIRCUIT IS DISCONNECTED FROM BOTH SAID POTENTIAL SOURCE MEANS AND SAID ELECTRICAL GROUND MEANS THE CAPACITANCE DISCHARGES THROUGH THE RESISTANCE OF SAID NETWORK MEANS AND CAUSES SAID ZENER DIODE TO CONDUCT AFTER A PREDETERMINED TIME LAG WHICH IN TURN ALLOWS THE FIRST AND SECOND RECTIFIERS TO CONDUCT AND THUS PERMITS THE FIRING CAPACITOR TO DISCHARGE THROUGH SAID SECOND RECTIFIER TO A LOAD TO BE CONTROLLED.
References Cited (Backward Citations)
US3200258A
Cited
US3179818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |