Patent US3346738A successfully refreshed from Google Patents.
US3346738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation sensitive high resolution optical tracker
Assignee: Individual
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Filing: 1964-11-10
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Granted: 1967-10-10
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Expires: 1984-11-10
Abstract
No abstract record available.
Inventors
- 👤 James G Rogers
- 👤 Norbert L Moulin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:54
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A TRACKING SYSTEM COMPRISING FIRST AND SECOND MIRROR MEANS; AND FIRST MIRROR MEANS ADAPTED TO BE ROTATABLE ABOUT A FIRST AXIS; SAID SECOND MIRROR MEANS ADAPTED TO BE ROTATABLE ABOUT A SECOND AXIS; A SOURCE OF ELECTROMAGNETIC ENERGY ON A TARGET TO BE TRACKED; SAID MIRRORS REFLECTING SAID ENERGY INTO A BEAM TO A SENSING DEVICE OF A POSITION DETECTING MEANS; SAID POSITION DETECTING MEANS HAVING AN OUTPUET VOLTAGE WHICH REPRESENTS A DIRECTION VECTOR OF A TARGET; CONVERTER MEANS IN CIRCUIT WITH THE OUTPUT VOLTAGE OF SAID POSITION DETECTING MEANS FOR CONVERTING SAID VOLTAGE INTO FIRST AND SECOND QUADRATURE VOLTAGES WHICH REPRESENT SAID VECTOR; FIRST AND SECOND SERVO MEANS FOR MOVING SAID FIRST AND SECOND MIRRORS RESPECTIVELY; SAID FIRST QUADRATURE VOLTAGE BEING IN CIRCUIT WITH THE FIRST SERVO MEANS FOR CONTROLLING THE ROTATION OF SAID FIRST MIRROR MEANS; AND SAID SECOND QUADRATURE VOLTAGE BEING IN CIRCUIT WITH THE SECOND SERVO MEANS FOR CONTROLLING THE ROTATION OF SAID SECOND MIRROR MEANS.
Claim 2
Dependent Claim
160 words
A TRACKING SYSTEM COMPRISING FIRST AND SECOND MIRROR MEANS; AND FIRST MIRROR MEANS ADAPTED TO BE ROTATABLE ABOUT A FIRST AXIS; SAID SECOND MIRROR MEANS ADAPTED TO BE ROTATABLE ABOUT A SECOND AXIS; A SOURCE OF ELECTROMAGNETIC ENERGY ON A TARGET TO BE TRACKED; SAID MIRRORS REFLECTING SAID ENERGY INTO A BEAM TO A SENSING DEVICE OF A POSITION DETECTING MEANS; SAID POSITION DETECTING MEANS HAVING AN OUTPUET VOLTAGE WHICH REPRESENTS A DIRECTION VECTOR OF A TARGET; CONVERTER MEANS IN CIRCUIT WITH THE OUTPUT VOLTAGE OF SAID POSITION DETECTING MEANS FOR CONVERTING SAID VOLTAGE INTO FIRST AND SECOND QUADRATURE VOLTAGES WHICH REPRESENT SAID VECTOR; FIRST AND SECOND SERVO MEANS FOR MOVING SAID FIRST AND SECOND MIRRORS RESPECTIVELY; SAID FIRST QUADRATURE VOLTAGE BEING IN CIRCUIT WITH THE FIRST SERVO MEANS FOR CONTROLLING THE ROTATION OF SAID FIRST MIRROR MEANS; AND SAID SECOND QUADRATURE VOLTAGE BEING IN CIRCUIT WITH THE SECOND SERVO MEANS FOR CONTROLLING THE ROTATION OF SAID SECOND MIRROR 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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |