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US3134912A
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US
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Multivibrator employing field effect devices as transistors and voltage variable resistors in integrated semiconductive structure
Assignee: Texas Instruments Inc
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Filing: 1960-05-02
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Granted: 1964-05-26
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur D Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:05
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/353; H03K3/356; H10; H10D; H10D84/00; H10D84/80; H10D84/811; H10D84/817; Y; Y10; Y10S; Y10S257/00; Y10S257/903; Y10S257/904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
IN A MULTIVIBRATOR CIRCUIT, A FIRST AMPLIFYING DEVICE HAVING A CONTROL ELECTRODE AND A PAIR OF OUTPUT ELECTRODES, A SECOND AMPLYFING DEVICE HAVING A CONTROL ELECTRODE AND A PAIR OF OUTPUT ELECTRODES, A FIRST SERIES CIRCUIT INCLUDING THE OUTPUT ELECTRODES OF SAID FIRST AMPLIFYING DEVICE AND FIRST LOAD IMPEDANCE MEANS ALONG WITH A VOLTAGE SOURCE, A SECOND SERIES CIRCUIT INCLUDING THE OUTPUT ELECTRODES OF SAID SECOND AMPLIFYING DEVICE AND SECOND LOAD IMPEDANCE MEANS ALONG WITH SAID VOLTAGE SOURCE, SAID FIRST AND SECOND LOAD IMPEDANCE MEANS INCLUDING CURRENT LIMITER MEANS, FIRST COUPLING MEANS CONNECTING SAID FIRST LOAD IMPEDANCE MEANS TO SAID CONTROL ELECTRODE OF SAID SECOND AMPLIFYING DEVICE, AND SECOND COUPLING MEANS CONNECTING SAID SECOND LOAD IMPEDANCE MEANS TO SAID CONTROL ELECTRODE OF SAID FIRST AMPLIFYING DEVICE, THE CURRENT LIMITER MEANS EXHIBITING HIGH IMPEDANCE FOR LARGE IMPRESSED VOLTAGE AND LOW
Claim 2
Dependent Claim
139 words
IN A MULTIVIBRATOR CIRCUIT, A FIRST AMPLIFYING DEVICE HAVING A CONTROL ELECTRODE AND A PAIR OF OUTPUT ELECTRODES, A SECOND AMPLYFING DEVICE HAVING A CONTROL ELECTRODE AND A PAIR OF OUTPUT ELECTRODES, A FIRST SERIES CIRCUIT INCLUDING THE OUTPUT ELECTRODES OF SAID FIRST AMPLIFYING DEVICE AND FIRST LOAD IMPEDANCE MEANS ALONG WITH A VOLTAGE SOURCE, A SECOND SERIES CIRCUIT INCLUDING THE OUTPUT ELECTRODES OF SAID SECOND AMPLIFYING DEVICE AND SECOND LOAD IMPEDANCE MEANS ALONG WITH SAID VOLTAGE SOURCE, SAID FIRST AND SECOND LOAD IMPEDANCE MEANS INCLUDING CURRENT LIMITER MEANS, FIRST COUPLING MEANS CONNECTING SAID FIRST LOAD IMPEDANCE MEANS TO SAID CONTROL ELECTRODE OF SAID SECOND AMPLIFYING DEVICE, AND SECOND COUPLING MEANS CONNECTING SAID SECOND LOAD IMPEDANCE MEANS TO SAID CONTROL ELECTRODE OF SAID FIRST AMPLIFYING DEVICE, THE CURRENT LIMITER MEANS EXHIBITING HIGH IMPEDANCE FOR LARGE IMPRESSED VOLTAGE AND LOW
References Cited (Backward Citations)
US2954484A
Cited
US2968770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |