US3453551A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse sequence detector employing a shift register controlling a reversible counter
Assignee: International Standard Electric Corp
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Filing: 1966-11-02
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Granted: 1969-07-01
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Expires: 1986-11-02
Abstract
No abstract record available.
Inventors
- 👤 Heinz Haberle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:33
CPC Classifications
H; H04; H04L; H04L7/00; H04L7/04; H04L7/041; H04L7/042
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN ARRANGEMENT TO DETECT A SEQUENCE OF N PULSES OF THE SAME BINARY TYPE IN A BINARY CODED PULSE TRAIN COMPRISING: A SOURCE OF SAID CODED PULSE TRAIN; A SHIFT REGISTER HAVING AT LEAST N STAGES COUPLED TO SAID SOURCE; A REVERSIBLE COUNTER HAVING (N+1) STAGES; FIRST MEANS COUPLED TO THE FIRST AND LAST STAGES OF SAID REGISTEE AND SAID COUNTER TO CONTROL THE FORWARD AND REVERSE COUNTING OF SAID COUNTER; AND SECOND MEANS COUPLED TO THE LAST STAGE OF SAID COUNTER TO PROVIDE A FIRST OUTPUT SIGNAL INDICATING THE DETECTION OF SAID SEQUENCE OF N PULSES.
Claim 2
Dependent Claim
97 words
AN ARRANGEMENT TO DETECT A SEQUENCE OF N PULSES OF THE SAME BINARY TYPE IN A BINARY CODED PULSE TRAIN COMPRISING: A SOURCE OF SAID CODED PULSE TRAIN; A SHIFT REGISTER HAVING AT LEAST N STAGES COUPLED TO SAID SOURCE; A REVERSIBLE COUNTER HAVING (N+1) STAGES; FIRST MEANS COUPLED TO THE FIRST AND LAST STAGES OF SAID REGISTEE AND SAID COUNTER TO CONTROL THE FORWARD AND REVERSE COUNTING OF SAID COUNTER; AND SECOND MEANS COUPLED TO THE LAST STAGE OF SAID COUNTER TO PROVIDE A FIRST OUTPUT SIGNAL INDICATING THE DETECTION OF SAID SEQUENCE OF N PULSES.
References Cited (Backward Citations)
US3147342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |