Patent US3146438A successfully refreshed from Google Patents.
US3146438A
Expired / Lapsed
US
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Decoding system
Assignee: Digitech Inc
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Filing: 1963-05-23
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Granted: 1964-08-25
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Expires: 1983-05-23
Abstract
No abstract record available.
Inventors
- 👤 Norman E Peterson
- 👤 Jr Ernest E Courchene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:58
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A DECODING SYSTEM FOR CONVERTING BINARY CODED INFORMATION REPRESENTED BY A TWO LEVEL VOLTAGE OUTPUT TO A PREDETERMINED CURRENT COMPRISING THE COMBINATION OF A TRANSISTOR HAVING AN EMITTER AND A COLLECTOR AND A BASE, SAID EMITTER BEING GROUNDED, A CURRENT INDICATOR, ONE SIDE OF SAID INDICATOR ADAPTED FOR BEING COUPLED TO A VOLTAGE SOURCE, MEANS CONNECTING THE OTHER SIDE OF SAID INDICATOR TO THE COLLECTOR FOR PERMITTING CURRENT FLOW THROUGH THE INDICATOR ONLY WHEN THE COLLECTOR VOLTAGE IS
Claim 2
Dependent Claim
78 words
A DECODING SYSTEM FOR CONVERTING BINARY CODED INFORMATION REPRESENTED BY A TWO LEVEL VOLTAGE OUTPUT TO A PREDETERMINED CURRENT COMPRISING THE COMBINATION OF A TRANSISTOR HAVING AN EMITTER AND A COLLECTOR AND A BASE, SAID EMITTER BEING GROUNDED, A CURRENT INDICATOR, ONE SIDE OF SAID INDICATOR ADAPTED FOR BEING COUPLED TO A VOLTAGE SOURCE, MEANS CONNECTING THE OTHER SIDE OF SAID INDICATOR TO THE COLLECTOR FOR PERMITTING CURRENT FLOW THROUGH THE INDICATOR ONLY WHEN THE COLLECTOR VOLTAGE IS
References Cited (Backward Citations)
US2956272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |