US3278750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectric scanner for control of fabricating machinery
Assignee: Siemens Schuckertwerke AG
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Filing: 1964-12-18
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Granted: 1966-10-11
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Expires: 1984-12-18
Abstract
No abstract record available.
Inventors
- 👤 Eissfeldt Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:25
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/24; B23Q35/38; B23Q35/40
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
A PHOTOELECTRIC SCANNER FOR CONTROLLING THE TRAVEL OF MACHINERY ACCORDING TO A GIVEN CURVE, COMPRISING A SUPPORTING STRUCTURE TO MOVE WITH THE TRAVEL TO BE CONTROLLED, A PHOTOCELL FIXEDLY MOUNTED ON SAID STRUCTURE, AN OPTICAL IMAGING SYSTEM HAVING AN OPTICAL AXIS TO BE DIRECTED TOWARD THE CURVE TO BE SCANNED AND BEING ROTATABLY MOUNTED ON SAID STRUCTURE FOR ROTATION ABOUT SAID AXIS, SAID OPTICAL IMAGING SYSTEM HAVING REVERSING MEANS FOR DIRECTIONALLY REVERSING THE DIRECTION OF ONE OF THE TWO COORDINATES OF THE CURVE, AN OSCILLATORY REFLECTOR FIXEDLY MOUNTED ON SAID STRUCTURE OPTICALLY INTERMEDIATE SAID SYSTEM AND SAID PHOTOCELL FOR PERIODICALLY REFLECTING AN IMAGE OF RESPECTIVE CURVE ELEMENTS UPON SAID CELL TO PRODUCE CELL PULSES HAVING A VARIABLE TIME SPACING DEPENDENT UPON DEPARTURE OF SAID TRAVEL FROM SAID CURVE, A REVERSIBLE DRIVE MECHANICALLY CONNECTED WITH SAID SYSTEM FOR ROTATING IT ABOUT SAID AXIS AND ELECTRICALLY CONNECTED TO SAID PHOTO-
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |