US3329962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid state electron transducer apparatus
Assignee: Unisys Corp
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Filing: 1963-06-10
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Granted: 1967-07-04
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Rudolph A Cola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:11
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/14; G; G03; G03G; G03G15/00; G03G15/22; G03G15/32; G03G15/321; G11; G11B; G11B11/00; G11B11/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
170 words
SOLID STATE ELECTRON TRANSDUCER APPARATUS COMPRISING, (A) AN INSULATING DIELECTRIC SUBSTRATE, (B) A PLURALITY OF CONDUCTIVE VACUUM DEPOSITED THIN FILM MEMBERS OF METALLIC ALUMINUM DISPOSED ON SAID SUBSTRATE IN SPACED APART PARALLEL COLUMNS, (C) AN INSULATING LAYER COMPOSED OF AN OXIDE OF SAID METALLIC ALUMINUM OVERLYING SAID CONDUCTIVE MEMBERS, (D) A PLURALITY OF CONDUCTIVE VACUUM DEPOSITED THIN FILM MEMBERS OF METALLIC ALUMINUM DISPOSED ON SAID INSULATING LAYER IN SPACED APART PARALLEL ROWS ORTHOGONALLY TO SAID FIRST NAMED MEMBERS, (E) A FLAT, THIN, PLAT-LIKE PLANAR ALUMINUM COLLECTING MEMBER ARRNGED IN SUPERPOSITON TO SAID LAST NAMED CONDUCTIVE MEMBERS FORMING AN AIR GAP THEREBETWEEN, (F) OPPOSITELY DISPOSED PAIRS OF ROLLER MEANS EFFECTIVE TO ADVANCE A RECORD MEMBER THROUGH SAID AIR GAP IN ONE DIRECTION, (G) MEANS FOR APPLYING A CONSTANT ELECTRIC POTENTIAL TO SAID PLANAR CONDUCTIVE MEMBER TO PROVIDE AN ELECTRIC FIELD IN SAID AIR GAP, (H) MEANS FOR SELECTING CERTAIN ONES OF SAID FIRST AND SECOND NAMED CONDUCTIVE THIN FILM MEMBERS IN RESPONSE TO INFORMATION TO BE RECORDED ON SAID RECORD MEMBER,
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |