US3308712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transducer for spectrum analysis applicable to closed loop control
Assignee: International Business Machines Corp
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Filing: 1963-11-06
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Granted: 1967-03-14
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Ronald H Kay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:13
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/12; G01J3/26; G01J3/1256; G01J2003/1226; G01J2003/1234; G01J3/02; G01J3/0205; G01J3/0213; G01J3/0229
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A SPECTRUM ANALYZER FOR DETECTING THE ABSORPTION SPECTRUM OF A SAMPLE COMPRISING: AN ACOUSTICAL DELAY LINE, MEANS FOR DIRECTING COLLIMIATED LIGHT THROUGH SAID ACOUSTICAL DELAY LINE, A WEDGE INTERFERENCE FILTER POSITIONED TO INTERCEPT THE LIGHT PASSING THROUGH SAID DELAY LINE, MEANS FOR DIRECTING THE LIGHT WHICH PASSES THROUGH SAID DELAY LINE AND THROUGH SAID WEDGE INTERFERENCE FILTER THROUGH SAID SAMPLE, INCLUDING A MASK POSITIONED TO BLOCK LIGHT WHICH PASSES DIRECTLY THROUGH SAID DELAY LINE, WHEREBY ONLY LIGHT WHICH IS DIFFRACTED BY A PULSE IN SAID DELAY LINE REACHES SAID SAMPLE, AND MEANS FOR DETECTING THE LIGHT PASSING THROUGH SAID SAMPLE.
Claim 2
Dependent Claim
100 words
A SPECTRUM ANALYZER FOR DETECTING THE ABSORPTION SPECTRUM OF A SAMPLE COMPRISING: AN ACOUSTICAL DELAY LINE, MEANS FOR DIRECTING COLLIMIATED LIGHT THROUGH SAID ACOUSTICAL DELAY LINE, A WEDGE INTERFERENCE FILTER POSITIONED TO INTERCEPT THE LIGHT PASSING THROUGH SAID DELAY LINE, MEANS FOR DIRECTING THE LIGHT WHICH PASSES THROUGH SAID DELAY LINE AND THROUGH SAID WEDGE INTERFERENCE FILTER THROUGH SAID SAMPLE, INCLUDING A MASK POSITIONED TO BLOCK LIGHT WHICH PASSES DIRECTLY THROUGH SAID DELAY LINE, WHEREBY ONLY LIGHT WHICH IS DIFFRACTED BY A PULSE IN SAID DELAY LINE REACHES SAID SAMPLE, AND MEANS FOR DETECTING THE LIGHT PASSING THROUGH SAID SAMPLE.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |