US3411059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse motor and control system therefor
Assignee: Fujitsu Ltd
•
Filing: 1966-04-18
•
Granted: 1968-11-12
•
Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Kaiwa Toshimasa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:16
CPC Classifications
H; H02; H02K; H02K37/00; H02K37/10; H02K37/12; H02K37/14; H02K37/18; H02P; H02P8/00; H02P8/04; H02P8/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
PULSE MOTOR COMPRISING A ROTOR MEMBER AND A STATOR MEMBER, EACH OF SAID MEMBERS HAVING A PLURALITY OF POLES ARRANGED IN COAXIAL CIRCLES, AT LEAST SOME OF THE POLES OF ONE OF SAID MEMBERS BEING FORMED AT LEAST PARTLY OF MAGNETIC MATERIAL AND BEING ELECTRICALLY CONDUCTIVE, MEANS FOR PRODUCING A MAGNETIC FIELD IN THE POLES FORMED WITH MAGNETIC MATERIAL, MEANS FOR PASSING A CURRENT THROUGH THE POLES FORMED WITH MAGNETIC MATERIAL IN A DIRECTION TRANSVERSE TO SAID MAGNETIC FIELD WHEREBY A TORQUE IS APPLIED TO SAID ROTOR MEMBER FOR TURNING SAID ROTOR MEMBER THROUGH A PREDETERMINED ANGLE.
Claim 2
Dependent Claim
97 words
PULSE MOTOR COMPRISING A ROTOR MEMBER AND A STATOR MEMBER, EACH OF SAID MEMBERS HAVING A PLURALITY OF POLES ARRANGED IN COAXIAL CIRCLES, AT LEAST SOME OF THE POLES OF ONE OF SAID MEMBERS BEING FORMED AT LEAST PARTLY OF MAGNETIC MATERIAL AND BEING ELECTRICALLY CONDUCTIVE, MEANS FOR PRODUCING A MAGNETIC FIELD IN THE POLES FORMED WITH MAGNETIC MATERIAL, MEANS FOR PASSING A CURRENT THROUGH THE POLES FORMED WITH MAGNETIC MATERIAL IN A DIRECTION TRANSVERSE TO SAID MAGNETIC FIELD WHEREBY A TORQUE IS APPLIED TO SAID ROTOR MEMBER FOR TURNING SAID ROTOR MEMBER THROUGH A PREDETERMINED ANGLE.
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |