US3293595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemetering system
Assignee: Hitachi Ltd
•
Filing: 1963-12-06
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Granted: 1966-12-20
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Expires: 1983-12-06
Abstract
No abstract record available.
Inventors
- 👤 Takami Katsumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/0002; A61B5/0031; A61B5/07; A61B5/073; A61B8/00; G; G08; G08C; G08C23/00; G08C23/02; A61B8/44; A61B8/4444; A61B8/4472
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A TELEMETERING SYSTEM COMPRISING MEANS FOR EMITTING COMPRESSIONAL WAVE ENERGY AND VARYING THE FREQUENCY OF SAID WAVE; VIBRATOR MEANS AS SOLE POWER SOURCE FOR RECEIVING SAID COMPRESSIONAL WAVE AND TRANSDUCING SAID COMPRESSIONAL WAVE ENERGY INTO ELECTRICAL ENERGY; A RESONANCE CIRCUIT, THE RESONANCE FREQUENCY OF WHICH VARIES IN RESPONSE TO VARIATION IN A VALUE TO BE MEASURED, FOR CONVERTING THE ELECTRIC ENERGY SUPPLIED FROM SAID VIBRATOR MEANS INTO AN ELECTROMAGNETIC WAVE WHOSE FREQUENCY VARIES IN RESPONSE TO THE VARIATION OF SAID RESONANCE FREQUENCY AND EMITTING SAID ELECTROMAGNETIC WAVE; AND MEANS FOR RECEIVING SAID ELECTROMAGNETIC WAVE AND DETECTING SAID RESONANCE FREQUENCY.
Claim 2
Dependent Claim
99 words
A TELEMETERING SYSTEM COMPRISING MEANS FOR EMITTING COMPRESSIONAL WAVE ENERGY AND VARYING THE FREQUENCY OF SAID WAVE; VIBRATOR MEANS AS SOLE POWER SOURCE FOR RECEIVING SAID COMPRESSIONAL WAVE AND TRANSDUCING SAID COMPRESSIONAL WAVE ENERGY INTO ELECTRICAL ENERGY; A RESONANCE CIRCUIT, THE RESONANCE FREQUENCY OF WHICH VARIES IN RESPONSE TO VARIATION IN A VALUE TO BE MEASURED, FOR CONVERTING THE ELECTRIC ENERGY SUPPLIED FROM SAID VIBRATOR MEANS INTO AN ELECTROMAGNETIC WAVE WHOSE FREQUENCY VARIES IN RESPONSE TO THE VARIATION OF SAID RESONANCE FREQUENCY AND EMITTING SAID ELECTROMAGNETIC WAVE; AND MEANS FOR RECEIVING SAID ELECTROMAGNETIC WAVE AND DETECTING SAID RESONANCE FREQUENCY.
References Cited (Backward Citations)
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Cited
US2999926A
Cited
GB790235A
Cited
US2958781A
Cited
US2996611A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |