US3226635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Testing apparatus and method for measuring dielectric constant of materials by null-balancing a tuned oscillator to a standard radio frequency
Assignee: F H PEAVEY AND CO
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Filing: 1962-01-25
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Granted: 1965-12-28
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Expires: 1982-01-25
Abstract
No abstract record available.
Inventors
- 👤 Lowell A Moe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:23
CPC Classifications
G; G01; G01N; G01N22/00; G01N22/04; G01N27/00; G01N27/02; G01N27/22; G01N27/223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
THE METHOD OF DETERMINING THE INGREDIENT CONTENT OF MATERIALS TO BE TESTED AT DIVERSE AND REMOTELY DISPOSED LOCATIONS WHICH COMPRISES THE STEPS OF: (A) ESTABLISHING A SIGNLE SOURCE OF REFERENCE SIGNAL; (B) UNI-DIRECTIONALLY TRANSMITTING A RADIO SIGNAL PROPORTIONALLY RELATED TO SAID SOURCE OF REFERENCE SIGNAL; (B) PROVIDING A PLURALITY OF REMOTELY DISPOSED RECEIVERS; (C) RECEIVING SAID SIGNAL AT A PLURALITYOF REMOTELY DISPOSED LOCATIONS; (D) PROVIDING A VARIABLE FREQUENCY OSCILLATOR AT EACH REMOTELY DISPOSED LOCATION AT WHICH MATERIAL IS TO BE TESTED; (E) APPLYING THE OUTPUT OF A OSCILLATOR TO THE RECEIVER FOR SAID REFERENCE SIGNAL; (E) PROVIDING A SAMPLE RECEIVING IMPEDANCE; (F) CONNECTING THE SAMPLE RECEIVING IMPEDANCE CONTAINING A SAMPLE OF MATERIAL TO BE TESTED IN FREQUENCY CONTROLLING RELATIONSHIP TO THE OSCIALLATOR; AND
Claim 2
Independent Claim
123 words
THE METHOD OF DETERMINING THE INGREDIENT CONTENT OF MATERIALS TO BE TESTED AT DIVERSE AND REMOTELY DISPOSED LOCATIONS WHICH COMPRISES THE STEPS OF: (A) ESTABLISHING A SIGNLE SOURCE OF REFERENCE SIGNAL; (B) UNI-DIRECTIONALLY TRANSMITTING A RADIO SIGNAL PROPORTIONALLY RELATED TO SAID SOURCE OF REFERENCE SIGNAL; (B) PROVIDING A PLURALITY OF REMOTELY DISPOSED RECEIVERS; (C) RECEIVING SAID SIGNAL AT A PLURALITYOF REMOTELY DISPOSED LOCATIONS; (D) PROVIDING A VARIABLE FREQUENCY OSCILLATOR AT EACH REMOTELY DISPOSED LOCATION AT WHICH MATERIAL IS TO BE TESTED; (E) APPLYING THE OUTPUT OF A OSCILLATOR TO THE RECEIVER FOR SAID REFERENCE SIGNAL; (E) PROVIDING A SAMPLE RECEIVING IMPEDANCE; (F) CONNECTING THE SAMPLE RECEIVING IMPEDANCE CONTAINING A SAMPLE OF MATERIAL TO BE TESTED IN FREQUENCY CONTROLLING RELATIONSHIP TO THE OSCIALLATOR; AND
References Cited (Backward Citations)
US2309481A
Cited
US2489296A
Cited
US2516768A
Cited
US2759148A
Cited
US2693575A
Cited
US3090004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |