US3268732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multivibrator radiation sensor
Assignee: Individual
•
Filing: 1963-03-04
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Granted: 1966-08-23
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Expires: 1983-03-04
Abstract
No abstract record available.
Inventors
- 👤 William F Grieder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/282; H03K3/2823; G; G01; G01J; G01J1/00; G01J1/42; G01J1/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN APPARATUS FOR GENERATING AN ERROR SIGNAL FOR CONTROLLING VERTICAL ATTITUDE OF A SPACE VEHICLE COMPRISING TWO RADIATION DETECTORS LOCATED AT OPPOSING ENDS OF SAID SPACE VEHICLE, AN ASTABLE MULTIVIBRATOR HAVING SAID RADIATION DETECTORS AS INTEGRAL CIRCUIT ELEMENTS AND HAVING A FREQUENCY DEPENDENT UPON THE RADIATION UPON SAID RADIATION DETECTORS, MEANS FOR PROCESSING OUTPUT OF SAID ASTABLE MULTIVIBRATOR INTO TWO PULSE TRAINS, MEANS FOR CONVERTING SAID PULSE TRAIN INTO TWO SINUSOIDS, MEANS FOR COMPARING PHASE OF SAID SINUSOIDS.
Claim 2
Independent Claim
78 words
AN APPARATUS FOR GENERATING AN ERROR SIGNAL FOR CONTROLLING VERTICAL ATTITUDE OF A SPACE VEHICLE COMPRISING TWO RADIATION DETECTORS LOCATED AT OPPOSING ENDS OF SAID SPACE VEHICLE, AN ASTABLE MULTIVIBRATOR HAVING SAID RADIATION DETECTORS AS INTEGRAL CIRCUIT ELEMENTS AND HAVING A FREQUENCY DEPENDENT UPON THE RADIATION UPON SAID RADIATION DETECTORS, MEANS FOR PROCESSING OUTPUT OF SAID ASTABLE MULTIVIBRATOR INTO TWO PULSE TRAINS, MEANS FOR CONVERTING SAID PULSE TRAIN INTO TWO SINUSOIDS, MEANS FOR COMPARING PHASE OF SAID SINUSOIDS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |