Patent US3098933A successfully refreshed from Google Patents.
US3098933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive electronic tracking head
Assignee: Republic Aviation Corp
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Filing: 1957-10-23
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Granted: 1963-07-23
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Expires: 1977-10-23
Abstract
No abstract record available.
Inventors
- 👤 Hans P Barasch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:41
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786; G01S3/7864
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN OPTICAL TRACKING DEVICE COMPRISING A CLOSED CASE HAVING A WALL WITH AN OPENING THERETHROUGH, AN OPTICAL SYSTEM MOUNTED IN SAID OPENING AND HAVING A FIXED FIELD OF VIEW ABOUT ITS OPTICAL AXIS, SAID OPTICAL SYSTEM BEING ADAPTED TO RECEIVE LIGHT RAYS FROM AN OPTICALLY PERCEPTIBLE OBJECT WITHIN SAID FIELD OF VIEW AND TO FOCUS THE LIGHT RAYS WITHIN SAID CASE, A DIAPHRAGM WITHIN SAID CASE HAVING AN APERTURE THE CENTER OF WHICH IS COINCIDENT WITH THE OPTICAL AXIS OF SAID OPTICAL SYSTEM, AN IMAGE CONVERTER TUBE IN SAID CASE CONSTRUCTED AND ARRANGED TO RECEIVE THE FOCUSED LIGHT RAYS FROM SAID OPTICAL SYSTEM AND IN RESPONSE THERETO TO PROJECT A LIGHT IMAGE ONTO SAID DIAPHRAGM, MEANS ASSOCIATED WITH SAID IMAGE CONVERTER TUBE FOR MOVING THE LIGHT IMAGE IN A DECREASING SPIRAL PATH ON SAID DIAPHRAGM WHEREBY AT SOME POINT IN ITS
Claim 2
Dependent Claim
141 words
AN OPTICAL TRACKING DEVICE COMPRISING A CLOSED CASE HAVING A WALL WITH AN OPENING THERETHROUGH, AN OPTICAL SYSTEM MOUNTED IN SAID OPENING AND HAVING A FIXED FIELD OF VIEW ABOUT ITS OPTICAL AXIS, SAID OPTICAL SYSTEM BEING ADAPTED TO RECEIVE LIGHT RAYS FROM AN OPTICALLY PERCEPTIBLE OBJECT WITHIN SAID FIELD OF VIEW AND TO FOCUS THE LIGHT RAYS WITHIN SAID CASE, A DIAPHRAGM WITHIN SAID CASE HAVING AN APERTURE THE CENTER OF WHICH IS COINCIDENT WITH THE OPTICAL AXIS OF SAID OPTICAL SYSTEM, AN IMAGE CONVERTER TUBE IN SAID CASE CONSTRUCTED AND ARRANGED TO RECEIVE THE FOCUSED LIGHT RAYS FROM SAID OPTICAL SYSTEM AND IN RESPONSE THERETO TO PROJECT A LIGHT IMAGE ONTO SAID DIAPHRAGM, MEANS ASSOCIATED WITH SAID IMAGE CONVERTER TUBE FOR MOVING THE LIGHT IMAGE IN A DECREASING SPIRAL PATH ON SAID DIAPHRAGM WHEREBY AT SOME POINT IN ITS
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |