US3233228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planar-hall device
Assignee: North American Aviation Corp
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Filing: 1961-07-10
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Granted: 1966-02-01
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Expires: 1981-07-10
Abstract
No abstract record available.
Inventors
- 👤 Kaspar Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:20
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/80; H03K17/84; G; G06; G06G; G06G7/00; G06G7/12; G06G7/22; G11; G11B; G11B5/00; G11B5/62; G11C; G11C11/00; G11C11/18; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/14; H03K17/90; H03K19/00; H03K19/02; H03K19/16; H03K19/168; H03K3/00; H03K3/02; H03K3/45
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
IN COMBINATION: MEANS FOR APPLYING A PAIR OF PERPENDICULAR MAGNETIC FIELDS IN THE PLANE OF A CONDUCTIVE FERROMAGNETIC FILM, SAID FIELDS HAVING SUITABLE INTENSITIES WHEN COMBINED TO POINT THE INTERNAL MAGNETIZATION OF SAID FILM AT AN ANGLE RELATIVE TO THE INDIVIDUAL SAID FIELDS; MEANS FOR CAUSING CURRENT TO FLOW IN SAID FILM PARALLEL TO ONE OF SAID FIELDS TO CAUSE A PLANAR HALL-EFFECT VOLTAGE TO BE GENERATED IN SAID FILM ALONG AN AXIS PERPENDICULAR TO SAID CURRENT FLOW, THE PRESENCE OF SAID VOLTAGE SIGNIFYING THE SIMULTANEOUS EXISTENCE OF SAID APPLIED FIELDS, THE ABSENCE OF SAID VOLTAGE SIGNIFYING THE ABSENCE OF ONE OR
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |