Patent US3135903A successfully refreshed from Google Patents.
US3135903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling means for control systems
Assignee: International Business Machines Corp
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Filing: 1961-02-08
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Granted: 1964-06-02
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Expires: 1981-02-08
Abstract
No abstract record available.
Inventors
- 👤 Reinhold E Tomek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:11
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A COUPLING MEANS FOR CONNECTING SPACED FIRST AND SECOND MOVABLE MEMBERS TO CAUSE ONE OF SAID MEMBERS TO MOVE IN THE SAME DIRECTION AS THE OTHER OF SAID MEMBERS COMPRISING; A SOURCE OF RADIATION, A PAIR OF RADIATION RESPONSIVE DEVICES, SAID RADIATION RESPONSIVE DEVICES BEING MOVABLE WITH ONE OF SAID MEMBERS, EACH OF SAID RADIATION RESPONSIVE DEVICES DEFINING A PORTION OF AN AREA, MEANS TO DRIVE SAID ONE OF SAID MEMBERS IN RESPONSE TO THE COMPARATIVE AMOUNT OF RADIATION RECEIVED BY SAID RADIATION RESPONSIVE DEVICES, SHUTTER MEANS ROTATABLE WITH THE OTHER OF SAID MEMBERS, SAID SHUTTER MEANS BEING DISPOSED BETWEEN SAID SOURCE OF RADIATION AND SAID RADIATION RESPONSIVE DEVICES, AND SAID SHUTTER MEANS HAVING AREAS TRANSPARENT AND OPAQUE TO RADIATION FROM SAID SOURCE SUCH THAT RELATIVE MOVEMENT BETWEEN SAID MEMBERS CAUSES MORE RADIATION TO IMPINGE ON ONE OF SAID DEVICES AND LESS RADIATION TO IMPINGE ON THE OTHER OF SAID DEVICES TO ACTUATE SAID MEANS TO DRIVE.
Claim 2
Dependent Claim
157 words
A COUPLING MEANS FOR CONNECTING SPACED FIRST AND SECOND MOVABLE MEMBERS TO CAUSE ONE OF SAID MEMBERS TO MOVE IN THE SAME DIRECTION AS THE OTHER OF SAID MEMBERS COMPRISING; A SOURCE OF RADIATION, A PAIR OF RADIATION RESPONSIVE DEVICES, SAID RADIATION RESPONSIVE DEVICES BEING MOVABLE WITH ONE OF SAID MEMBERS, EACH OF SAID RADIATION RESPONSIVE DEVICES DEFINING A PORTION OF AN AREA, MEANS TO DRIVE SAID ONE OF SAID MEMBERS IN RESPONSE TO THE COMPARATIVE AMOUNT OF RADIATION RECEIVED BY SAID RADIATION RESPONSIVE DEVICES, SHUTTER MEANS ROTATABLE WITH THE OTHER OF SAID MEMBERS, SAID SHUTTER MEANS BEING DISPOSED BETWEEN SAID SOURCE OF RADIATION AND SAID RADIATION RESPONSIVE DEVICES, AND SAID SHUTTER MEANS HAVING AREAS TRANSPARENT AND OPAQUE TO RADIATION FROM SAID SOURCE SUCH THAT RELATIVE MOVEMENT BETWEEN SAID MEMBERS CAUSES MORE RADIATION TO IMPINGE ON ONE OF SAID DEVICES AND LESS RADIATION TO IMPINGE ON THE OTHER OF SAID DEVICES TO ACTUATE SAID MEANS TO DRIVE.
References Cited (Backward Citations)
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |