Patent US5318515A successfully refreshed from Google Patents.
US3144609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal to noise enhancement technique for binary transmission
Assignee: International Business Machines Corp
•
Filing: 1960-12-30
•
Granted: 1964-08-11
•
Expires: 1980-12-30
Abstract
No abstract record available.
Inventors
- 👤 Dale H Rumble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:19
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/12; H04L1/16; H04B; H04B14/00; H04B14/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PULSE GENERATING COMBINATION COMPRISING: MEANS FOR GENERATING INFORMATION PULSES, MEANS FOR VARYING THE PULSE GENERATION RATE, MEANS RESPONSIVE TO A FIRST PULSE RATE VALUE FOR MODULATING SAID INFORMATION PULSES SO THAT SAID PULSES CONTAIN INFORMATION REPRESENTED BY A FIRST PARAMETER, MEANS RESPONSIVE TO A SECOND PULSE RATE VALUE LOWER THAN THE FIRST FOR GENERATING PULSES EACH MODULATED IN ACCORDANCE WITH SAID PARAMETER AND A SECOND PARAMETER.
Claim 2
Dependent Claim
67 words
A PULSE GENERATING COMBINATION COMPRISING: MEANS FOR GENERATING INFORMATION PULSES, MEANS FOR VARYING THE PULSE GENERATION RATE, MEANS RESPONSIVE TO A FIRST PULSE RATE VALUE FOR MODULATING SAID INFORMATION PULSES SO THAT SAID PULSES CONTAIN INFORMATION REPRESENTED BY A FIRST PARAMETER, MEANS RESPONSIVE TO A SECOND PULSE RATE VALUE LOWER THAN THE FIRST FOR GENERATING PULSES EACH MODULATED IN ACCORDANCE WITH SAID PARAMETER AND A SECOND PARAMETER.
References Cited (Backward Citations)
US2662116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |