Patent US3071739A successfully refreshed from Google Patents.
US3071739A
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US
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Digital phase equalizer, automatically operative, in accordance with time-inverted impulse response of the transmission circuit
Assignee: AT&T Inc
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Filing: 1961-04-21
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Granted: 1963-01-01
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Expires: 1981-04-21
Abstract
No abstract record available.
Inventors
- 👤 John P Runyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:32
CPC Classifications
H; H04; H04L; H04L25/00; H04L25/02; H04L25/03; H04L25/03006; H04L25/03012; H04L25/03114; H04L25/03133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN AUTOMATIC PHASE EQUALIZING CIRCUIT FOR IMPULSE TRANSMISSION SYSTEMS WHICH COMPRISES MEANS OBTAINING PLURAL SAMPLES OF EACH IMPULSE, AN ENCODER TRANSLATING THE MAGNITUDES OF SAID SAMPLES INTO A CORRESPONDING PLURALITY OF BINARY WORDS, MEANS STORING PLURAL BINARY WORDS WHICH ARE CHARACTERISTIC OF THE TYPICAL IMPULSE PHASE RESPONSE OF SAID SYSTEM, AN ARITHMETIC UNIT FIRST MULTIPLYING EACH
Claim 2
Dependent Claim
56 words
AN AUTOMATIC PHASE EQUALIZING CIRCUIT FOR IMPULSE TRANSMISSION SYSTEMS WHICH COMPRISES MEANS OBTAINING PLURAL SAMPLES OF EACH IMPULSE, AN ENCODER TRANSLATING THE MAGNITUDES OF SAID SAMPLES INTO A CORRESPONDING PLURALITY OF BINARY WORDS, MEANS STORING PLURAL BINARY WORDS WHICH ARE CHARACTERISTIC OF THE TYPICAL IMPULSE PHASE RESPONSE OF SAID SYSTEM, AN ARITHMETIC UNIT FIRST MULTIPLYING EACH
References Cited (Backward Citations)
US2908873A
Cited
US2908874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |