Patent US4048071A successfully refreshed from Google Patents.
Patent US3190131A successfully refreshed from Google Patents.
US3190131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photo-electric pickoff and resolver for gyroscopes
Assignee: Lear Siegler Inc
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Filing: 1960-06-30
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Granted: 1965-06-22
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry C Daubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:38
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/28; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A VERTICAL GYROSCOPE SUPPORTED UPON AT LEAST A PAIR OF AXES WHICH ARE NORMAL TO THE VERTICAL REFERENCE AXIS OF SAID GYROSCOPE AND NORMAL TO EACH OTHER AND WHICH FORM WITH THE VERTICAL AXIS A FIRST COORDINATE SYSTEM; A PENDULUM SUPPORTED RELATIVE TO A SECOND COORDINATE SYSTEM WHICH HAS ONE AXIS COAXIAL WITH SAID VERTICAL AXIS OF SAID FIRST COORDINATE SYSTEM; ILLUMINATION MEANS POSITIONED UPON SAID PENDULUM AND HAVING AN ILLUMINATION PATTERN SYMMETRICAL WITH THE AXIS OF SAID PENDULUM; A FIRST PAIR OF IN-LINE PHOTO-ELECTRIC DEVICES MOUNTED UPON SAID VERTICAL GYROSCOPE, POSITIONED SYMMETRICALLY WITH RESPECT TO SAID VERTICAL AXIS AND ORIENTED TO DETECT MOTION OF SAID ILLUMINATION SOURCE RELATIVE TO SAID VERTICAL GYROSCOPE ALONG SAID DEVICES; A SECOND PAIR OF IN-LINE PHOTOELECTRIC DEVICES MOUNTED UPON SAID GYROSCOPE, POSITIONED WITH THEIR IN-LINE DIRECTION NORMAL TO SAID FIRST PAIR OF PHOTO-ELECTRIC DEVICES AND SYMMETRICALLY WITH RESPECT TO SAID VERTICAL AXIS AND ORIENTED TO DETECT MOTION OF SAID ILLUMINATION SOURCE ALONG SAID SECOND PAIR OF DEVICES; SAID ILLUMINATION SOURCE HAVING A UNIFORM ILLUMINATION PATTERN ABOUT ITS AXIS TO CAUSE EACH OF SAID PHOTO-ELECTRIC DEVICES TO BE EQUALLY ILLUMINATED WHEN THE AXIS OF SAID PENDULUM IS IN A PREDETERMINED NO-SIGNAL POSITION COAXIAL WITH SAID VERTICAL AXIS.
Claim 2
Dependent Claim
202 words
A VERTICAL GYROSCOPE SUPPORTED UPON AT LEAST A PAIR OF AXES WHICH ARE NORMAL TO THE VERTICAL REFERENCE AXIS OF SAID GYROSCOPE AND NORMAL TO EACH OTHER AND WHICH FORM WITH THE VERTICAL AXIS A FIRST COORDINATE SYSTEM; A PENDULUM SUPPORTED RELATIVE TO A SECOND COORDINATE SYSTEM WHICH HAS ONE AXIS COAXIAL WITH SAID VERTICAL AXIS OF SAID FIRST COORDINATE SYSTEM; ILLUMINATION MEANS POSITIONED UPON SAID PENDULUM AND HAVING AN ILLUMINATION PATTERN SYMMETRICAL WITH THE AXIS OF SAID PENDULUM; A FIRST PAIR OF IN-LINE PHOTO-ELECTRIC DEVICES MOUNTED UPON SAID VERTICAL GYROSCOPE, POSITIONED SYMMETRICALLY WITH RESPECT TO SAID VERTICAL AXIS AND ORIENTED TO DETECT MOTION OF SAID ILLUMINATION SOURCE RELATIVE TO SAID VERTICAL GYROSCOPE ALONG SAID DEVICES; A SECOND PAIR OF IN-LINE PHOTOELECTRIC DEVICES MOUNTED UPON SAID GYROSCOPE, POSITIONED WITH THEIR IN-LINE DIRECTION NORMAL TO SAID FIRST PAIR OF PHOTO-ELECTRIC DEVICES AND SYMMETRICALLY WITH RESPECT TO SAID VERTICAL AXIS AND ORIENTED TO DETECT MOTION OF SAID ILLUMINATION SOURCE ALONG SAID SECOND PAIR OF DEVICES; SAID ILLUMINATION SOURCE HAVING A UNIFORM ILLUMINATION PATTERN ABOUT ITS AXIS TO CAUSE EACH OF SAID PHOTO-ELECTRIC DEVICES TO BE EQUALLY ILLUMINATED WHEN THE AXIS OF SAID PENDULUM IS IN A PREDETERMINED NO-SIGNAL POSITION COAXIAL WITH SAID VERTICAL AXIS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |