US3336810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifriction support means for gyroscopes
Assignee: Unisys Corp
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Filing: 1964-04-28
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Granted: 1967-08-22
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Expires: 1984-04-28
Abstract
No abstract record available.
Inventors
- 👤 Max A Schaffer
- 👤 Ronald H Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:02
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1229; Y10T74/1232; Y10T74/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
GYROSCOPIC APPARATUS HAVING BEARING MEANS SUPPORTING THE SENSITIVE ELEMENT THEREOF FOR ROTATIONABLE MOVEMENT ABOUT A PRECESSION AXIS, SAID BEARING MEANS INCLUDING INNER AND OUTER RACES AND AT LEAST ONE INTERMEDIATE RACE SUPPORTING ROLLING MEMBERS THEREBETWEEN, ELECTROMAGNETIC MOTIVE MEANS COUPLED IN DRIVING RELATION WITH SAID INTERMEDIATE RACE AND ADAPTED TO ROTATE THE SAME THROUGH DISCRETE ANGLES IN RESPONSE TO DISCRETE ELECTRICAL PULSES, AND CIRCUIT MEANS INCLUDING A SOURCE OF DISCRETE ELECTRICAL PULSES COUPLED WITH SAID MOTIVE MEANS FOR SUCCESSIVELY SUPPLYING FIRST AND SECOND PREDETERMINED PLURALITIES OF SAID DISCRETE ELECTRICAL PULSES TO SAID MOTIVE MEANS IN SENSES TO CAUSE ROTATION OF SAID MOTIVE MEANS THROUGH A CORRESPONDING PLURALITY OF DISCRETE ANGLES IN ONE DIRECTION OR THE OPPOSITE DIRECTION RESPECTIVELY THROUGH A TOTAL ANGLE PROPORTIONAL TO THE TOTAL NUMBER OF PULSES IN EACH OF SAID FIRST AND SECOND PLURALITY OF PULSES.
Claim 2
Dependent Claim
138 words
GYROSCOPIC APPARATUS HAVING BEARING MEANS SUPPORTING THE SENSITIVE ELEMENT THEREOF FOR ROTATIONABLE MOVEMENT ABOUT A PRECESSION AXIS, SAID BEARING MEANS INCLUDING INNER AND OUTER RACES AND AT LEAST ONE INTERMEDIATE RACE SUPPORTING ROLLING MEMBERS THEREBETWEEN, ELECTROMAGNETIC MOTIVE MEANS COUPLED IN DRIVING RELATION WITH SAID INTERMEDIATE RACE AND ADAPTED TO ROTATE THE SAME THROUGH DISCRETE ANGLES IN RESPONSE TO DISCRETE ELECTRICAL PULSES, AND CIRCUIT MEANS INCLUDING A SOURCE OF DISCRETE ELECTRICAL PULSES COUPLED WITH SAID MOTIVE MEANS FOR SUCCESSIVELY SUPPLYING FIRST AND SECOND PREDETERMINED PLURALITIES OF SAID DISCRETE ELECTRICAL PULSES TO SAID MOTIVE MEANS IN SENSES TO CAUSE ROTATION OF SAID MOTIVE MEANS THROUGH A CORRESPONDING PLURALITY OF DISCRETE ANGLES IN ONE DIRECTION OR THE OPPOSITE DIRECTION RESPECTIVELY THROUGH A TOTAL ANGLE PROPORTIONAL TO THE TOTAL NUMBER OF PULSES IN EACH OF SAID FIRST AND SECOND PLURALITY OF PULSES.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |