US3215787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunnel effect transducer amplifier
Assignee: Verizon Laboratories Inc
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Filing: 1961-06-15
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Granted: 1965-11-02
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Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 Robert M Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:08
CPC Classifications
H; H04; H04R; H04R23/00; H04R23/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A TRANSDUCER AMPLIFIER ADAPTED TO PRODUCE AN ELECTRICAL SIGNAL IN RESPONSE TO A CONDITION, COMPRISING FIRST AND SECOND SPACED APART PLANAR ELECTRODES, AND A THIN LAYER OF DIELECTRIC MATERIAL INTERPOSED BETWEEN AND HELD IN CLOSE CONTACT WITH THE ADJACENT SURFACES OF SAID ELECTRODES TO FORM A SANDWICH-LIKE STRUCTURE, A SOURCE OF UNIDIRECTIONAL VOLTAGE CONNECTED TO SAID ELECTRODES AND APPLYING A BIASING VOLTAGE ACROSS SID DIELECTRIC LAYER,
Claim 2
Dependent Claim
66 words
A TRANSDUCER AMPLIFIER ADAPTED TO PRODUCE AN ELECTRICAL SIGNAL IN RESPONSE TO A CONDITION, COMPRISING FIRST AND SECOND SPACED APART PLANAR ELECTRODES, AND A THIN LAYER OF DIELECTRIC MATERIAL INTERPOSED BETWEEN AND HELD IN CLOSE CONTACT WITH THE ADJACENT SURFACES OF SAID ELECTRODES TO FORM A SANDWICH-LIKE STRUCTURE, A SOURCE OF UNIDIRECTIONAL VOLTAGE CONNECTED TO SAID ELECTRODES AND APPLYING A BIASING VOLTAGE ACROSS SID DIELECTRIC LAYER,
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |