US3209347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gray code generator
Assignee: International Business Machines Corp
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Filing: 1962-09-20
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Granted: 1965-09-28
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 Cutaia Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:55
CPC Classifications
H; H03; H03M; H03M7/00; H03M7/14; H03M7/16
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
170 words
A CODE GENERATOR FOR PRODUCING CODED OUTPUT SIGNALS WITH ONLY ONE VARIABLE CHANGE IN RESPONSE TO EACH APPLIED ELECTRICAL IMPULSE COMPRISING: N BISTABLE ELEMENTS ONE FOR EACH ELEMENT OF THE CODE EACH HAVING A PAIR OF A.C. INPUTS, THE FIRST AND SECOND BISTABLE ELEMENTS OF SAID N BISTABLE ELEMENTS HAVING A PAIR AND TWO PAIRS OF D.C. INPUTS, RESPECTIVELY, THE OTHER BISTABLE ELEMENTS OF SAID N BISTABLE ELEMENTS EACH HAVING THREE PAIRS OF D.C. INPUTS A BISTABLE CONTROL ELEMENT HAVING AN INPUT FOR RECEIVING A SERIES OF SEQUENTIALLY OCCURRING ELECTRICAL IMPULSES AND ONE OUTPUT CONNECTED TO THE PAIR OF A.C. INPUTS OF SAID FIRST BISTABLE ELEMENT AND ANOTHER OUTPUT CONNECTED TO THE PAIRS OF A.C. INPUTS OF SAID SECOND AND SAID OTHER BISTABLE ELEMENTS; AND MEANS FOR INTERCONNECTING THE PAIRS OF SAID D.C. INPUTS OF SAID N BISTABLE ELEMENTS WHEREBY THE STEADY STATES OF SAID N BISTABLE ELEMENT CONDITION EACH OTHER SO THAT ONLY ONE OF SAID N BISTABLE ELEMENT CHANGES STATE IN RESPONE TO SAID CONTROL ELEMENT CHANGING STATE.
References Cited (Backward Citations)
US2888556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |