Patent US3098158A successfully refreshed from Google Patents.
US3098158A
Expired / Lapsed
US
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Multivibrator circuits employing voltage break-down devices
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1955-06-06
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Granted: 1963-07-16
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Expires: 1975-06-06
Abstract
No abstract record available.
Inventors
- 👤 Cravens L Wanlass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:13
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/01; H03K3/012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A MULTIVIBRATOR CIRCUIT COMPRISING: FIRST AND SECOND AMPLIFIERS EACH OPERABLE BETWEEN HIGH AND LOW VOLTAGE OUTPUT CONDITIONS, EACH AMPLIFIER HAVING A RELATIVELY LOW IMPEDANCE INPUT CIRCUIT AND A RELATIVELY HIGH IMPEDANCE OUTPUT CIRCUIT THAT INCLUDES A RESPECTIVE LOAD IMPEDANCE; AND AT LEAST ONE VOLTAGE BREAK-DOWN ELEMENT CONDUCTIVELY COUPLED BETWEEN THE LOAD IMPEDANCE OF SAID FIRST AMPLIFIER AND THE INPUT CIRCUIT OF SAID SECOND AMPLIFIER, THE LOAD IMPEDANCE OF SAID SECOND AMPLIFIER BEING COUPLED TO THE INPUT CIRCUIT OF SAID FIRST AMPLIFIER, SAID BREAK-DOWN ELEMENT COMPRISING A DIODE, BIAS MEANS CONNECTED TO SAID FIRST AMPLIFIER LOAD IMPDANCE BACK-BIASING SAID DIODE, SUCH THAT IS SUBSTANTIALLY INHIBITS THE PASSAGE OF ANY CURRENT THERETHROUGH FOR ONE CONDITION OF SAID FIRST AMPLIFIER AND PASSES SUBSTANTIALLY ALL OF THE CURRENT APPLIED THERETO TO THE INPUT CIRCUIT OF THE SECOND AMPLIFIER IN RESPONSE TO THE OTHER CONDITION OF SAID FIRST AMPLIFIER.
Claim 2
Dependent Claim
144 words
A MULTIVIBRATOR CIRCUIT COMPRISING: FIRST AND SECOND AMPLIFIERS EACH OPERABLE BETWEEN HIGH AND LOW VOLTAGE OUTPUT CONDITIONS, EACH AMPLIFIER HAVING A RELATIVELY LOW IMPEDANCE INPUT CIRCUIT AND A RELATIVELY HIGH IMPEDANCE OUTPUT CIRCUIT THAT INCLUDES A RESPECTIVE LOAD IMPEDANCE; AND AT LEAST ONE VOLTAGE BREAK-DOWN ELEMENT CONDUCTIVELY COUPLED BETWEEN THE LOAD IMPEDANCE OF SAID FIRST AMPLIFIER AND THE INPUT CIRCUIT OF SAID SECOND AMPLIFIER, THE LOAD IMPEDANCE OF SAID SECOND AMPLIFIER BEING COUPLED TO THE INPUT CIRCUIT OF SAID FIRST AMPLIFIER, SAID BREAK-DOWN ELEMENT COMPRISING A DIODE, BIAS MEANS CONNECTED TO SAID FIRST AMPLIFIER LOAD IMPDANCE BACK-BIASING SAID DIODE, SUCH THAT IS SUBSTANTIALLY INHIBITS THE PASSAGE OF ANY CURRENT THERETHROUGH FOR ONE CONDITION OF SAID FIRST AMPLIFIER AND PASSES SUBSTANTIALLY ALL OF THE CURRENT APPLIED THERETO TO THE INPUT CIRCUIT OF THE SECOND AMPLIFIER IN RESPONSE TO THE OTHER CONDITION OF SAID FIRST AMPLIFIER.
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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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |