US3269254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical apparatus for indicating and measuring the roll angular orientation of a movable body
Assignee: International Business Machines Corp
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Filing: 1962-12-31
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Granted: 1966-08-30
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Cooper Lawrence
- 👤 Richard W Kern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:26
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/36; G01D5/38; G02; G02B; G02B27/00; G02B27/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
OPTICAL APPARATUS FOR INDICATING THE ROLL ANGULAR ORIENTATION OF A MOVABLE BODY COMPRISING: (A) A COLLIMATOR DEVICE HAVING A COLLIMATING OBJECT LENS AND A RETICLE IN OPTICAL ALIGNMENT WITH THE OPTICAL AXIS OF SAID LENS, (B) SAID RETICLE BEING LOCATED AT THE FOCAL POINT AT SAID OBJECT LENS FOR DISPLAYING IMAGES TRANSMITTED THERETO BY SAID OBJECT LENS; (C) MEANS OPERABLE WITH SAID COLLIMATOR LENS FOR PRODUCING A LINE IMAGE ON SAID RETICLE FOR INDICATING THE ROLL ANGULAR ORIENTATION OF A BODY HAVING ITS ROLLS AXIS IN OPTICAL ALIGNMENT WITH SAID OBJECT LENS COMPRISING, (D) A DIFFRACTION GRATING FIXEDLY ATTACHED TO SAID BODY SO AS TO BE OPTICALLY ALIGNED WITH SAID COLLIMATING OBJECT LENS, (E) SAID DIFFRACTION GRATING HAVING A PLURALITY OF PARALLEL STRAIGHT LINE DIFFRACTION RULINGS, (F) SAID RULINGS HAVING A PREDETERMINED CO-ORDINATE ORIENTATION WHEN MOUNTED ON SAID BODY, (G) PARALLEL BEAM LIGHT SOURCE FOR PRODUCING A DIFFRACTION PATTERN FROM SAID DIFFRACTION GRATING FOR TRANSMISSION BY SAID OBJECT LENS TO SAID RETICLE,
Claim 2
Dependent Claim
162 words
OPTICAL APPARATUS FOR INDICATING THE ROLL ANGULAR ORIENTATION OF A MOVABLE BODY COMPRISING: (A) A COLLIMATOR DEVICE HAVING A COLLIMATING OBJECT LENS AND A RETICLE IN OPTICAL ALIGNMENT WITH THE OPTICAL AXIS OF SAID LENS, (B) SAID RETICLE BEING LOCATED AT THE FOCAL POINT AT SAID OBJECT LENS FOR DISPLAYING IMAGES TRANSMITTED THERETO BY SAID OBJECT LENS; (C) MEANS OPERABLE WITH SAID COLLIMATOR LENS FOR PRODUCING A LINE IMAGE ON SAID RETICLE FOR INDICATING THE ROLL ANGULAR ORIENTATION OF A BODY HAVING ITS ROLLS AXIS IN OPTICAL ALIGNMENT WITH SAID OBJECT LENS COMPRISING, (D) A DIFFRACTION GRATING FIXEDLY ATTACHED TO SAID BODY SO AS TO BE OPTICALLY ALIGNED WITH SAID COLLIMATING OBJECT LENS, (E) SAID DIFFRACTION GRATING HAVING A PLURALITY OF PARALLEL STRAIGHT LINE DIFFRACTION RULINGS, (F) SAID RULINGS HAVING A PREDETERMINED CO-ORDINATE ORIENTATION WHEN MOUNTED ON SAID BODY, (G) PARALLEL BEAM LIGHT SOURCE FOR PRODUCING A DIFFRACTION PATTERN FROM SAID DIFFRACTION GRATING FOR TRANSMISSION BY SAID OBJECT LENS TO SAID RETICLE,
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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |