US3155772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for measuring data signal impairment
Assignee: AT&T Inc
•
Filing: 1962-02-07
•
Granted: 1964-11-03
•
Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Richard A Gibby
- 👤 Kahl Henry
- 👤 Jr John J Mahoney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:58
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/24; H04L1/248
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A SYSTEM FOR TRANSMITTING POSITIVE-GOING AND NEGATIVE-GOING VOLTAGE PULSES OF PREDETERMINED REFERENCE CONFIGURATIONS, THE METHOD FOR DETERMINING TRANSMISSION IMPAIRMENT OF SAID PULSES IN TERMS OF THE PROBABILITY OF PREDETERMINED VOLTAGE EXCURSIONS FROM SAID REFERENCE CONFIGURATIONS, COMPRISING THE STEPS OF TRANSMITTING SAID PULSES OVER A SYSTEM TO BE MEASURED, RECEIVING SAID PULSES WITH THEIR CHARACTERISTIC SYSTEM TRANSMISSION IMPAIRMENTS, SAMPLING A PREDETERMINED VOLTAGE RANGE OF EACH PULSE AT A PREDETERMINED TIME INTERVAL THEREOF, AND MEASURING THE PROBABILITY OF DATA WAVE EXCURSION WITH RESPECT TO SAID RANGE DURING SAID TIME INTERVAL.
Claim 2
Dependent Claim
89 words
IN A SYSTEM FOR TRANSMITTING POSITIVE-GOING AND NEGATIVE-GOING VOLTAGE PULSES OF PREDETERMINED REFERENCE CONFIGURATIONS, THE METHOD FOR DETERMINING TRANSMISSION IMPAIRMENT OF SAID PULSES IN TERMS OF THE PROBABILITY OF PREDETERMINED VOLTAGE EXCURSIONS FROM SAID REFERENCE CONFIGURATIONS, COMPRISING THE STEPS OF TRANSMITTING SAID PULSES OVER A SYSTEM TO BE MEASURED, RECEIVING SAID PULSES WITH THEIR CHARACTERISTIC SYSTEM TRANSMISSION IMPAIRMENTS, SAMPLING A PREDETERMINED VOLTAGE RANGE OF EACH PULSE AT A PREDETERMINED TIME INTERVAL THEREOF, AND MEASURING THE PROBABILITY OF DATA WAVE EXCURSION WITH RESPECT TO SAID RANGE DURING SAID TIME INTERVAL.
References Cited (Backward Citations)
US2856457A
Cited
US2938077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |