US3263087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-optical distance gage
Assignee: General Electric Co
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Filing: 1963-03-27
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Granted: 1966-07-26
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Expires: 1983-03-27
Abstract
No abstract record available.
Inventors
- 👤 Richard G Goldman
- 👤 William R Marklein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:16
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/02; G01B11/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A DEVICE FOR INDICATING DISPLACEMENT OF A SURFACE FROM A REFERENCE POSITION COMPRISING: (A) MEANS PROVIDING A CONCENTRATED BEAM OF RADIATION EMANATING FROM SAID SURFACE WHICH VARIES IN SIZE AS THE SURFACE IS DISPLACED FROM SAID REFERENCE POSITION; (B) LENS MEANS FOR MAGNIFYING THE VARYING SIZE OF SAID BEAM; (C) RADIATION-SENSITIVE MEANS DISPOSED IN THE PATH OF THE MAGNIFIED BEAM FOR DETECTING CHANGES IN THE AMOUNT OF RADIATION INCIDENT THEREON; AND (D) MEANS DEFINING AN APERTURE DISPOSED IN THE PATH OF SAID BEAM BETWEEN SAID MAGNIFYING MEANS AND SAID RADIATION-SENSITIVE MEANS FOR LIMITING THE PORTION OF SAID MAGNIFIED BEAM WHICH REACHES SAID RADIATIONSENSITIVE MEANS, (E) THE SIZE OF SAID APERTURE BEING SMALLER THAN THE SMALLEST SIZE OF THE MAGNIFIED BEAM AT THE LOCATION OF THE APERTURE-DEFINING MEANS.
Claim 2
Independent Claim
127 words
A DEVICE FOR INDICATING DISPLACEMENT OF A SURFACE FROM A REFERENCE POSITION COMPRISING: (A) MEANS PROVIDING A CONCENTRATED BEAM OF RADIATION EMANATING FROM SAID SURFACE WHICH VARIES IN SIZE AS THE SURFACE IS DISPLACED FROM SAID REFERENCE POSITION; (B) LENS MEANS FOR MAGNIFYING THE VARYING SIZE OF SAID BEAM; (C) RADIATION-SENSITIVE MEANS DISPOSED IN THE PATH OF THE MAGNIFIED BEAM FOR DETECTING CHANGES IN THE AMOUNT OF RADIATION INCIDENT THEREON; AND (D) MEANS DEFINING AN APERTURE DISPOSED IN THE PATH OF SAID BEAM BETWEEN SAID MAGNIFYING MEANS AND SAID RADIATION-SENSITIVE MEANS FOR LIMITING THE PORTION OF SAID MAGNIFIED BEAM WHICH REACHES SAID RADIATIONSENSITIVE MEANS, (E) THE SIZE OF SAID APERTURE BEING SMALLER THAN THE SMALLEST SIZE OF THE MAGNIFIED BEAM AT THE LOCATION OF THE APERTURE-DEFINING 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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |