US3267440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangement for reading digital signals
Assignee: Siemens and Halske AG
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Filing: 1962-08-06
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Granted: 1966-08-16
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Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Piening Jens
- 👤 Girke Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:50
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A CIRCUIT ARRANGEMENT FOR RECOGNIZING DISTURBANCES IN THE READING SIGNAL OF MAGNETIC CORE MATRICES WHICH ARE USED FOR READING OUT DIGITAL SIGNALS SUPPLIED STATICALLY THERETO AT ANY TIME, COMPRISING A DIFFERENTIATING CIRCUIT CONNECTED WITH THE OUTPUT WINDING OF THE MATRIX, AND A BISTABLE FLIP-FLOP CIRCUIT OPERATIVELY CONNECTED WITH SAID DIFFERENTIATING CIRCUIT, MEANS FOR TRIGGERING SAID FLIP-FLOP CIRCUIT DURING A RISING PORTION OF THE CURVE OF THE READING SIGNAL, SAID MEANS BEING OPERATIVELY RESPONSIVE TO AN OUTPUT OF SAID DIFFERENTIATING CIRCUIT WHEN THE RISING SLOPE OF THE CURVE OF THE READING SIGNAL EXCEEDS A PREDETERMINED VALUE.
Claim 2
Dependent Claim
95 words
A CIRCUIT ARRANGEMENT FOR RECOGNIZING DISTURBANCES IN THE READING SIGNAL OF MAGNETIC CORE MATRICES WHICH ARE USED FOR READING OUT DIGITAL SIGNALS SUPPLIED STATICALLY THERETO AT ANY TIME, COMPRISING A DIFFERENTIATING CIRCUIT CONNECTED WITH THE OUTPUT WINDING OF THE MATRIX, AND A BISTABLE FLIP-FLOP CIRCUIT OPERATIVELY CONNECTED WITH SAID DIFFERENTIATING CIRCUIT, MEANS FOR TRIGGERING SAID FLIP-FLOP CIRCUIT DURING A RISING PORTION OF THE CURVE OF THE READING SIGNAL, SAID MEANS BEING OPERATIVELY RESPONSIVE TO AN OUTPUT OF SAID DIFFERENTIATING CIRCUIT WHEN THE RISING SLOPE OF THE CURVE OF THE READING SIGNAL EXCEEDS A PREDETERMINED VALUE.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |