US3389266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring minute velocity fluctuations
Assignee: Exedy Corp
•
Filing: 1964-01-20
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Granted: 1968-06-18
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Okuno Yoshihiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:05
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/481; G01P3/486; G01P3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
APPARATUS FOR MEASURING MINUTE VELOCITY FLUCTUATIONS OF A MOVING BODY COMPRISING ELECTRICAL PHOTOSENSITIVE MEANS, MEANS FOR PROJECTING A NARROW BEAM OF LIGHT ON SAID PHOTOSENSITIVE MEANS, SAID PHOTOSENSITIVE MEANS HAVING MEANS CONNECTABLE TO ELECTRICAL CIRCUITRY FOR IMPRESSING A VOLTAGE ON SAID PHOTOSENSITIVE MEANS, SAID CIRCUITRY INCLUDING MEANS FOR AMPLIFYING, DIFFERENTIATING AND RECORDING THE CURRENT PASSING THROUGH SAID PHOTOSENSITIVE MEANS AND MEANS MOUNTABLE FOR MOVEMENT WITH SAID BODY, MOVABLE ALONG A LINE OF TRAVEL INTERSECTING SAID LIGHT BEAM, SAID MOVABLE MEANS HAVING AT LEAST ONE OPENING EXTENDING ALONG THE LINE OF TRAVEL THEREOF AND SAID OPENING HAVING DIVERGING OPPOSED SIDE EDGES INTERSECTING SAID LIGHT BEAM WHEREBY THE EFFECTIVE LENGTH OF SAID LIGHT BEAM INCIDENT UPON SAID PHOTOSENSITIVE MEANS VARIES CORRESPONDING TO THE MOVEMENT OF SAID MOVABLE MEANS ALONG THE LINE OF TRAVEL THEREOF.
Claim 2
Dependent Claim
132 words
APPARATUS FOR MEASURING MINUTE VELOCITY FLUCTUATIONS OF A MOVING BODY COMPRISING ELECTRICAL PHOTOSENSITIVE MEANS, MEANS FOR PROJECTING A NARROW BEAM OF LIGHT ON SAID PHOTOSENSITIVE MEANS, SAID PHOTOSENSITIVE MEANS HAVING MEANS CONNECTABLE TO ELECTRICAL CIRCUITRY FOR IMPRESSING A VOLTAGE ON SAID PHOTOSENSITIVE MEANS, SAID CIRCUITRY INCLUDING MEANS FOR AMPLIFYING, DIFFERENTIATING AND RECORDING THE CURRENT PASSING THROUGH SAID PHOTOSENSITIVE MEANS AND MEANS MOUNTABLE FOR MOVEMENT WITH SAID BODY, MOVABLE ALONG A LINE OF TRAVEL INTERSECTING SAID LIGHT BEAM, SAID MOVABLE MEANS HAVING AT LEAST ONE OPENING EXTENDING ALONG THE LINE OF TRAVEL THEREOF AND SAID OPENING HAVING DIVERGING OPPOSED SIDE EDGES INTERSECTING SAID LIGHT BEAM WHEREBY THE EFFECTIVE LENGTH OF SAID LIGHT BEAM INCIDENT UPON SAID PHOTOSENSITIVE MEANS VARIES CORRESPONDING TO THE MOVEMENT OF SAID MOVABLE MEANS ALONG THE LINE OF TRAVEL THEREOF.
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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) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |