US3341789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latching ferrite circulator having the ferrite symmetrically located with respect toeach rf signal carrying arm
Assignee: Bendix Corp
•
Filing: 1965-04-19
•
Granted: 1967-09-12
•
Expires: 1985-04-19
Abstract
No abstract record available.
Inventors
- 👤 Paul C Goodman
- 👤 Milford C Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:10
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/32; H01P1/38; H01P1/383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
APPARATUS COMPRISING AT LEAST THREE R-F SIGNAL CARRYING MEMBERS EACH HAVING AN ELECTRO-MAGNETIC FIELD IN THE SPACE ADJACENT THERETO WHEN A SIGNAL IS FLOWING THERETHROUGH, FERRIMAGNETIC MEANS BEING IN THE ELECTROMAGNETIC FIELD OF EACH OF SAID SIGNAL CARRYING MEMBERS, GROUND PLANE MEANS BEING POSITIONED EXTERNALLY OF SAID FERRIMAGNETIC MEANS, SAID FERRIMAGNETIC MEANS WHEN MAGNETIZED PRODUCING INTERACTING FIELD LINES WHICH INTERACT WITH SAID FIELD OF SAID SIGNAL CARRYING MEMBERS SO THAT EACH SIGNAL CARRYING MEMBER PASSES IT SIGNAL ONLY TO ONE SIGNAL CARRYING MEMBER AND RECEIVES ONLY THE SIGNAL BEING CARRIED BY ANOTHER SIGNAL CARRYING MEMBER, SAID FERRIMAGNETIC MEANS HAVING A HOLE FORMATION THEREIN FOR RECEIVING CONDUCTOR MEANS CARRYING A DIRECT CURRENT SIGNAL FOR GENERATING A MAGNETIC FIELD DIRECTLY WITHIN SAID FERRIMAGNETIC MEANS TO PLACE SAID FERRIMAGNETIC MEANS IN A STATE OF MAGNETIZATION WHEREBY SAID MAGNETIC FIELD HAS AN UNBROKEN PATH THEREBY ELIMINATING AIR GAPS IN THE MAGNETIC PATH AND EDDY CURRENTS IN SAID GROUND PLANE MEANS, SAID FERRIMAGNETIC MEANS HAVING SUBSTANTIALLY THE SAME CONFIGURATION AND DISPOSITION RELATIVE TO EACH R-F SIGNAL CARRYING MEMBER SO THAT THE EACH OF THE ARMS HAS FERRIMAGNETIC MATERIAL POSITIONED RELATIVE THERETO IN THE SAME WAY AS EVERY OTHER ARM, THEREBY IMPROVIDING ELECTRICAL CHARACTERISTICS.
Claim 2
Dependent Claim
198 words
APPARATUS COMPRISING AT LEAST THREE R-F SIGNAL CARRYING MEMBERS EACH HAVING AN ELECTRO-MAGNETIC FIELD IN THE SPACE ADJACENT THERETO WHEN A SIGNAL IS FLOWING THERETHROUGH, FERRIMAGNETIC MEANS BEING IN THE ELECTROMAGNETIC FIELD OF EACH OF SAID SIGNAL CARRYING MEMBERS, GROUND PLANE MEANS BEING POSITIONED EXTERNALLY OF SAID FERRIMAGNETIC MEANS, SAID FERRIMAGNETIC MEANS WHEN MAGNETIZED PRODUCING INTERACTING FIELD LINES WHICH INTERACT WITH SAID FIELD OF SAID SIGNAL CARRYING MEMBERS SO THAT EACH SIGNAL CARRYING MEMBER PASSES IT SIGNAL ONLY TO ONE SIGNAL CARRYING MEMBER AND RECEIVES ONLY THE SIGNAL BEING CARRIED BY ANOTHER SIGNAL CARRYING MEMBER, SAID FERRIMAGNETIC MEANS HAVING A HOLE FORMATION THEREIN FOR RECEIVING CONDUCTOR MEANS CARRYING A DIRECT CURRENT SIGNAL FOR GENERATING A MAGNETIC FIELD DIRECTLY WITHIN SAID FERRIMAGNETIC MEANS TO PLACE SAID FERRIMAGNETIC MEANS IN A STATE OF MAGNETIZATION WHEREBY SAID MAGNETIC FIELD HAS AN UNBROKEN PATH THEREBY ELIMINATING AIR GAPS IN THE MAGNETIC PATH AND EDDY CURRENTS IN SAID GROUND PLANE MEANS, SAID FERRIMAGNETIC MEANS HAVING SUBSTANTIALLY THE SAME CONFIGURATION AND DISPOSITION RELATIVE TO EACH R-F SIGNAL CARRYING MEMBER SO THAT THE EACH OF THE ARMS HAS FERRIMAGNETIC MATERIAL POSITIONED RELATIVE THERETO IN THE SAME WAY AS EVERY OTHER ARM, THEREBY IMPROVIDING ELECTRICAL CHARACTERISTICS.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |