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US3440436A Expired / Lapsed US ⏱️ 0.0 years remaining

Parametron using hollow tubular ferromagnetic thin film cores

Assignee: KDDI Corp
•
Filing: 1966-04-12
•
Granted: 1969-04-22
•
Expires: 1986-04-12
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Abstract

No abstract record available.

Inventors

  • 👤 Shintaro Oshima
  • 👤 Tetsusaburo Kamibayashi
  • 👤 Kitsutaro Amano

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 12:01
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45; H03K3/47

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 182 words
A PARAMETRON ELEMENT, COMPRISING: A PAIR OF HOLLOW TUBULAR THIN FILMS OF HIGH PERMEABILITY MATERIAL ARRANGED IN PARALLEL EACH HAVING AN EASY DIRECTION OF MAGNETIZATION; A PAIR OF FIRST CONDUCTORS EACH THREADED THROUGH SAID HOLLOW FILMS; A SECOND CONDUCTOR CONSISTING OF A WINDING WOUND ON SAID HOLLOW FILMS; TUNING MEANS CONNECTED TO THE SECOND CONDUCTOR TO FORM A PARALLEL RESONANCE CIRCUIT HAVING A RESONANCE FREQUENCY F0; MEANS FOR PASSING AN ENERGIZING ALTERNATING CURRENT HAVING A FREQUENCY SUBSTANTIALLY EQUAL TO 2F0 THROUGH THE FIRST CONDUCTORS IN REVERSE DIRECTION TO EACH OTHER, THEREBY TO CAUSE VOLTAGES OF THE FREQUENCY 2F0 INDUCED IN THE SECOND CONDUCTOR BY THE ENERGIZING ALTERNATING CURRENT FLOWING THROUGH THE FIRST CONDUCTORS TO NULLIFY EACH OTHER IN THE RESONANCE CIRCUIT; INPUT MEANS FOR APPLYING TO THE RESONANCE CIRCUIT AT LEAST ONE INFORMATION SIGNAL HAVING THE FREQUENCY F0 AND EITHER OF OPPOSITE PHASE POSITIONS IN ACCORDANCE WITH BINARY INFORMATION; AND OUTPUT MEANS FOR DERIVING FROM THE RESONANCE CIRCUIT AN OUTPUT SIGNAL WHICH HAS THE FREQUENCY F0 AND EITHER OF OPPOSITE PHASE POSITIONS IN ACCORDANCE WITH THE PHASE POSITION OF THE INFORMATION SIGNAL.
Claim 2
Dependent Claim 182 words
A PARAMETRON ELEMENT, COMPRISING: A PAIR OF HOLLOW TUBULAR THIN FILMS OF HIGH PERMEABILITY MATERIAL ARRANGED IN PARALLEL EACH HAVING AN EASY DIRECTION OF MAGNETIZATION; A PAIR OF FIRST CONDUCTORS EACH THREADED THROUGH SAID HOLLOW FILMS; A SECOND CONDUCTOR CONSISTING OF A WINDING WOUND ON SAID HOLLOW FILMS; TUNING MEANS CONNECTED TO THE SECOND CONDUCTOR TO FORM A PARALLEL RESONANCE CIRCUIT HAVING A RESONANCE FREQUENCY F0; MEANS FOR PASSING AN ENERGIZING ALTERNATING CURRENT HAVING A FREQUENCY SUBSTANTIALLY EQUAL TO 2F0 THROUGH THE FIRST CONDUCTORS IN REVERSE DIRECTION TO EACH OTHER, THEREBY TO CAUSE VOLTAGES OF THE FREQUENCY 2F0 INDUCED IN THE SECOND CONDUCTOR BY THE ENERGIZING ALTERNATING CURRENT FLOWING THROUGH THE FIRST CONDUCTORS TO NULLIFY EACH OTHER IN THE RESONANCE CIRCUIT; INPUT MEANS FOR APPLYING TO THE RESONANCE CIRCUIT AT LEAST ONE INFORMATION SIGNAL HAVING THE FREQUENCY F0 AND EITHER OF OPPOSITE PHASE POSITIONS IN ACCORDANCE WITH BINARY INFORMATION; AND OUTPUT MEANS FOR DERIVING FROM THE RESONANCE CIRCUIT AN OUTPUT SIGNAL WHICH HAS THE FREQUENCY F0 AND EITHER OF OPPOSITE PHASE POSITIONS IN ACCORDANCE WITH THE PHASE POSITION OF THE INFORMATION SIGNAL.

References Cited (Backward Citations)

US3348061A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-04-21 1972-10-21 1973-04-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-04-21 1976-10-21 1977-04-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-04-21 1980-10-21 1981-04-22 $7700.00 Window Closed / Lapsed

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