Patent US3145865A successfully refreshed from Google Patents.
Patent US3043635A successfully refreshed from Google Patents.
Patent US3121849A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3121849A Expired / Lapsed US ⏱️ 0.0 years remaining

Isolator having magnetically controlled acoustogyric material coupling elastically dichroic input and output polarizing elements

Assignee: AT&T Inc
•
Filing: 1962-12-07
•
Granted: 1964-02-18
•
Expires: 1982-12-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Matthews Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 13:42
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/30; H03H7/00; H03H7/002

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 82 words
IN COMBINATION, A FIRST ELONGATED CRYSTAL HAVING ELASTICALLY DICHROIC PROPERTIES, A SOURCE OF ELECTRICAL OSCILLATIONS, MEANS FOR CONVERTING SAID OSCILLATIONS INTO MECHANICAL VIBRATORY ENERGY IN THE FORM OF TRANSVERSE WAVES OF A FIRST POLARITY AND FOR LAUNCHING SAID ENERGY INTO SAID FIRST CRYSTAL, SAID FIRST CRYSTAL BEING ORIENTED SUCH THAT SAID ENERGY PASSES THERETHROUGH WITH SUBSTANTIALLY MINIMUM ATTENUATION, A NONRECIPROCAL ROTATOR FOR ROTATING THE POPOLARITY, AND UTILIZATION MEANS RESPONSIVE TO WAVES OF SAID SECOND POLARITY POSITIONED TO RECEIVE ENERGY FROM SAID ROTATOR.
Claim 2
Dependent Claim 82 words
IN COMBINATION, A FIRST ELONGATED CRYSTAL HAVING ELASTICALLY DICHROIC PROPERTIES, A SOURCE OF ELECTRICAL OSCILLATIONS, MEANS FOR CONVERTING SAID OSCILLATIONS INTO MECHANICAL VIBRATORY ENERGY IN THE FORM OF TRANSVERSE WAVES OF A FIRST POLARITY AND FOR LAUNCHING SAID ENERGY INTO SAID FIRST CRYSTAL, SAID FIRST CRYSTAL BEING ORIENTED SUCH THAT SAID ENERGY PASSES THERETHROUGH WITH SUBSTANTIALLY MINIMUM ATTENUATION, A NONRECIPROCAL ROTATOR FOR ROTATING THE POPOLARITY, AND UTILIZATION MEANS RESPONSIVE TO WAVES OF SAID SECOND POLARITY POSITIONED TO RECEIVE ENERGY FROM SAID ROTATOR.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-02-17 1967-08-19 1968-02-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-02-17 1971-08-19 1972-02-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-02-17 1975-08-19 1976-02-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag