US3073962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric tracer apparatus employing a second photoelectric cell for path reversal
Assignee: American Messer Corp
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Filing: 1959-06-30
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Granted: 1963-01-15
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Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Neander Erich
- 👤 Roder Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:01
CPC Classifications
B; B23; B23K; B23K7/00; B23K7/002; B23K7/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN COMBINATION, A SENSOR COMPRISING A FIRST AND SECOND PHOTOELECTRIC CELL MOVABLY MOUNTED OVER A DRAWING IN SCANNING RELATIONSHIP THERETO, EACH OF SAID PHOTOELECTRIC CELLS ADAPTED TO GENERATE AN OUTPUT SIGNAL THE AMPLITUDE OF WHICH VARIES WITH THE DEVIATION OF SAID CELL FROM A PREDETERMINED PATH ON SAID DRAWING, MEANS FOR MOVING SAID SENSOR OVER SAID DRAWING, MEANS RESPONSIVE TO AN OUTPUT SIGNAL FOR TURNING SAID MEANS ABOUT A ROTATIONAL AXIS, MEANS FOR COUPLING SAID OUTPUT SIGNAL FROM SAID FIRST PHOTOELECTRIC CELL TO SAID SIGNAL RESPONSIVE TURNING MEANS, MEANS FOR SIMULTANEOUSLY COUPLING SAID OUTPUT SIGNAL FROM SAID SECOND PHOTOELECTRIC CELL TO SAID SIGNAL RESPONSIVE MEANS AND DISABLING THE COUPLING OF SAID OUTPUT SIGNAL OF SAID FIRST PHOTOELECTRIC CELL THEREFROM, AND MEANS SIMULTANEOUSLY OPERABLE WITH SAID LAST NAMED MEANS FOR REVERSING THE DIRECTION OF MOVEMENT OF SAID MOVING MEANS.
Claim 2
Dependent Claim
138 words
IN COMBINATION, A SENSOR COMPRISING A FIRST AND SECOND PHOTOELECTRIC CELL MOVABLY MOUNTED OVER A DRAWING IN SCANNING RELATIONSHIP THERETO, EACH OF SAID PHOTOELECTRIC CELLS ADAPTED TO GENERATE AN OUTPUT SIGNAL THE AMPLITUDE OF WHICH VARIES WITH THE DEVIATION OF SAID CELL FROM A PREDETERMINED PATH ON SAID DRAWING, MEANS FOR MOVING SAID SENSOR OVER SAID DRAWING, MEANS RESPONSIVE TO AN OUTPUT SIGNAL FOR TURNING SAID MEANS ABOUT A ROTATIONAL AXIS, MEANS FOR COUPLING SAID OUTPUT SIGNAL FROM SAID FIRST PHOTOELECTRIC CELL TO SAID SIGNAL RESPONSIVE TURNING MEANS, MEANS FOR SIMULTANEOUSLY COUPLING SAID OUTPUT SIGNAL FROM SAID SECOND PHOTOELECTRIC CELL TO SAID SIGNAL RESPONSIVE MEANS AND DISABLING THE COUPLING OF SAID OUTPUT SIGNAL OF SAID FIRST PHOTOELECTRIC CELL THEREFROM, AND MEANS SIMULTANEOUSLY OPERABLE WITH SAID LAST NAMED MEANS FOR REVERSING THE DIRECTION OF MOVEMENT OF SAID MOVING MEANS.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |