US3218913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for electro-optically aligning a remote object
Assignee: American Optical Corp
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Filing: 1960-06-10
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Granted: 1965-11-23
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Expires: 1980-06-10
Abstract
No abstract record available.
Inventors
- 👤 Paul T Kaestner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:31
CPC Classifications
G; G01; G01B; G01B11/00; G01B11/14; G01B11/26; G01B11/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
205 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING AN OPTICAL SYSTEM HAVING AN ESTABLISHED OPTICAL SIGHT LINE, A SOURCE OF LIGHT POSITIONED ON SAID SIGHT LINE, FIXED LIGHT OCCLUDING MEANS HAVING AN ELONGATED TRANSPARENT SLIT DISPOSED SUBSTANTIALLY PERPENDICULARLY TO AND CENTERED ON SAID SIGHT LINE, MEANS FOR DIRECTING LIGHT FROM SAID SOURCE ONTO A FIRST SIDE OF SAID OCCLUDING MEANS TO ILLUMINATE SAID SLIT THEREBY CAUSING A NARROW BEAM OF LIGHT TO BE PROJECTED AWAY FROM THE OPPOSITE SIDE OF SAID OCCLUDING MEANS ALONG SAID SIGHT LINE, REFRACTING MEANS FOR SCANNING SAID BEAM OF LIGHT ACROSS SAID LINE OF SIGHT AT A PREDETERMINED FREQUENCY WHILE MAINTAINING THE AXIS OF SAID BEAM PARALLEL TO SAID LINE OF SIGHT, A LIGHT COLLIMATING OBJECTIVE ELEMENT CENTERED ON SAID SIGHT LINE FOR RECEIVING SAID BEAM OF LIGHT AND FOR DIRECTING THE SAME TO A REMOTE OBJECT WHOSE ORIENTATION RELATIVE TO SAID SIGHT LINE IS TO BE DETERMINED, SAID OBJECT BEING CHARACTERIZED TO RETURN AT LEAST A PORTION OF SAID BEAM OF LIGHT REVERSELY ALONG A PATH HAVING A DIRECTION INDICATIVE OF THE ORIENTATION OF SAID OBJECT RELATIVE TO SAID SIGHT LINE, SAID RETURNED BEAM OF LIGHT BEING REVERSELY DIRECTLY THROUGH SAID OBJECTIVE ELEMENT, LIGHT REFRACTING MEANS AND SAID SLIT AND
Claim 2
Independent Claim
205 words
A DEVICE OF THE CHARACTER DESCRIBED COMPRISING AN OPTICAL SYSTEM HAVING AN ESTABLISHED OPTICAL SIGHT LINE, A SOURCE OF LIGHT POSITIONED ON SAID SIGHT LINE, FIXED LIGHT OCCLUDING MEANS HAVING AN ELONGATED TRANSPARENT SLIT DISPOSED SUBSTANTIALLY PERPENDICULARLY TO AND CENTERED ON SAID SIGHT LINE, MEANS FOR DIRECTING LIGHT FROM SAID SOURCE ONTO A FIRST SIDE OF SAID OCCLUDING MEANS TO ILLUMINATE SAID SLIT THEREBY CAUSING A NARROW BEAM OF LIGHT TO BE PROJECTED AWAY FROM THE OPPOSITE SIDE OF SAID OCCLUDING MEANS ALONG SAID SIGHT LINE, REFRACTING MEANS FOR SCANNING SAID BEAM OF LIGHT ACROSS SAID LINE OF SIGHT AT A PREDETERMINED FREQUENCY WHILE MAINTAINING THE AXIS OF SAID BEAM PARALLEL TO SAID LINE OF SIGHT, A LIGHT COLLIMATING OBJECTIVE ELEMENT CENTERED ON SAID SIGHT LINE FOR RECEIVING SAID BEAM OF LIGHT AND FOR DIRECTING THE SAME TO A REMOTE OBJECT WHOSE ORIENTATION RELATIVE TO SAID SIGHT LINE IS TO BE DETERMINED, SAID OBJECT BEING CHARACTERIZED TO RETURN AT LEAST A PORTION OF SAID BEAM OF LIGHT REVERSELY ALONG A PATH HAVING A DIRECTION INDICATIVE OF THE ORIENTATION OF SAID OBJECT RELATIVE TO SAID SIGHT LINE, SAID RETURNED BEAM OF LIGHT BEING REVERSELY DIRECTLY THROUGH SAID OBJECTIVE ELEMENT, LIGHT REFRACTING MEANS AND SAID SLIT AND
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |