US3184653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switching circuits
Assignee: Texas Instruments Inc
•
Filing: 1960-10-06
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Granted: 1965-05-18
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Expires: 1980-10-06
Abstract
No abstract record available.
Inventors
- 👤 Jearld L Hutson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:21
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/72; F; F02; F02P; F02P3/00; F02P3/02; F02P3/04; F02P3/0407; F02P3/0435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A SWITCHING CIRCUIT HAVING A SOURCE OF ENERGIZING POTENTIAL, AN ELECTRONIC SWITCHING ELEMENT HAVING A PAIR OF SWITCHING TERMINALS AND A CONTROL TERMINAL, A CAPACITOR INTERCONNECTED BETWEEN SAID CONTROL TERMINAL AND SAID SOURCE, MEANS EFFECTIVE FOR APPLYING AN ACTIVATING POTENTIAL TO SAID CONTROL TERMINAL AND CHARGING SAID CAPACITOR TO CONDITION SAID ELEMENT TO A CONDUCTIVE STATE AT ONE TIME, AND MEANS IN SAID CIRCUIT EFFECTIVE AT ANOTHER TIME FOR IMPRESSING THE VOLTAGE PRODUCED BY THE CHARGE ON SAID CAPACITOR UPON SAID CONTROL TERMINAL IN A POLARITY TO RENDER SAID ELEMENT NON-CONDUCTIVE.
Claim 2
Dependent Claim
92 words
IN A SWITCHING CIRCUIT HAVING A SOURCE OF ENERGIZING POTENTIAL, AN ELECTRONIC SWITCHING ELEMENT HAVING A PAIR OF SWITCHING TERMINALS AND A CONTROL TERMINAL, A CAPACITOR INTERCONNECTED BETWEEN SAID CONTROL TERMINAL AND SAID SOURCE, MEANS EFFECTIVE FOR APPLYING AN ACTIVATING POTENTIAL TO SAID CONTROL TERMINAL AND CHARGING SAID CAPACITOR TO CONDITION SAID ELEMENT TO A CONDUCTIVE STATE AT ONE TIME, AND MEANS IN SAID CIRCUIT EFFECTIVE AT ANOTHER TIME FOR IMPRESSING THE VOLTAGE PRODUCED BY THE CHARGE ON SAID CAPACITOR UPON SAID CONTROL TERMINAL IN A POLARITY TO RENDER SAID ELEMENT NON-CONDUCTIVE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |