Patent US2895618A successfully refreshed from Google Patents.
Patent US3231882A successfully refreshed from Google Patents.
US3231882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal generator and electrical resolver
Assignee: Individual
•
Filing: 1960-07-25
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Granted: 1966-01-25
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Company The Northern Trust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/243; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A SIGNAL GENERATING ASSEMBLY INCLUDING AN ELONGATED MAGNETIC STORAGE MEMBER AND A SCANNING ASSEMBLY, SAID STORAGE MEMBER BEING MOVABLE WITH RELATION TO SAID SCANNING ASSEMBLY, SAID STORAGE MEMBER INCLUDING AREAS OF DIFFERENTIAL FLUX TRANSMISSIVE CHARACTERISTICS ALONG THE LENGTH THEREOF, SAID SCANNING ASSEMBLY INCLUDING MEANS FOR TRAVERSING SAID AREAS AT A PREDETERMINED RATE RELATIVE TO A BASE FREQUENCY TO VARY THE FLUX PATTERN AT A PREDETERMINED FREQUENCY WHEN THE STORAGE MEMBER AND SCANNING ASSEMBLY ARE STATIONARY, MOVEMENT OF SAID STORAGE MEMBER WITH RELATION TO SAID SCANNING ASSEMBLY BEING EFFECTIVE TO PRODUCE A PHASE CHANGE IN THE FREQUENCY OF SAID FLUX PATTERN RELATIVE TO THE BASE FREQUENCY.
Claim 2
Dependent Claim
105 words
A SIGNAL GENERATING ASSEMBLY INCLUDING AN ELONGATED MAGNETIC STORAGE MEMBER AND A SCANNING ASSEMBLY, SAID STORAGE MEMBER BEING MOVABLE WITH RELATION TO SAID SCANNING ASSEMBLY, SAID STORAGE MEMBER INCLUDING AREAS OF DIFFERENTIAL FLUX TRANSMISSIVE CHARACTERISTICS ALONG THE LENGTH THEREOF, SAID SCANNING ASSEMBLY INCLUDING MEANS FOR TRAVERSING SAID AREAS AT A PREDETERMINED RATE RELATIVE TO A BASE FREQUENCY TO VARY THE FLUX PATTERN AT A PREDETERMINED FREQUENCY WHEN THE STORAGE MEMBER AND SCANNING ASSEMBLY ARE STATIONARY, MOVEMENT OF SAID STORAGE MEMBER WITH RELATION TO SAID SCANNING ASSEMBLY BEING EFFECTIVE TO PRODUCE A PHASE CHANGE IN THE FREQUENCY OF SAID FLUX PATTERN RELATIVE TO THE BASE FREQUENCY.
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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |