Patent US3293555A successfully refreshed from Google Patents.
US3293555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for controlling the sampling of serially received signal elements
Assignee: International Business Machines Corp
•
Filing: 1963-06-25
•
Granted: 1966-12-20
•
Expires: 1983-06-25
Abstract
No abstract record available.
Inventors
- 👤 Mazure Alexander
- 👤 Albert C Ruocchio
- 👤 Larry L Stickler
- 👤 Lawrence A Tate
- 👤 Jr Walter D Van Gieson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:44
CPC Classifications
H; H04; H04L; H04L7/00; H04L7/02; H04L7/033; H03; H03K; H03K5/00; H03K5/153; H03K5/156
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A SYSTEM FOR CONTROLLING THE GENERATION OF A REFERENCE WAVE USED TO SAMPLE AT AN OPTIMUM TIME SERIALLY RECEIVED SIGNAL ELEMENTS TRANSMITTED AT A PREDETERMINED FREQUENCY, SAID SYSTEM INCLUDING IN COMBINATION: MEANS PRODUCING A REFERENCE SIGNAL HAVING AN ADJUSTABLE FREQUENCY SUBSTANTIALLY EQUAL TO SAID PREDETERMINED FREQUENCY; MEANS RESPONSIVE TO SAID REFERENCE SIGNAL AND RECEIVED SIGNAL ELEMENTS FOR PRODUCING A SIGNAL WHICH IS IN RECONSTRUCTION OF SAID RECEIVED ELEMENTS SIGNAL; IS DISTORTION-FREE WITH RESPECT TO SAID REFERENCE SIGNAL; LOGIC MEANS, RESPONSIVE TO SAID RECEIVED SIGNAL ELEMENTS, SAID REFERENCE SIGNAL, AND SAID DISTORTION-FREE SIGNAL FOR PRODUCING AN OUTPUT REPRESENTING THE PHASE RELATIONSHIP BETWEEN SAID THREE INPTUS; AND MEANS, RESPONSIVE TO THE OUTPUT OF SAID LOGIC MEANS, CONNECTED TO SAID REFERENCE SIGNAL PRODUCING MEANS, FOR ADJUSTING THE GENERATION OF SAID REFERENCE SIGNAL TO SAMPLE THE RECEIVED ELEMTNS AT THE OPTIMUM TIME.
Claim 2
Independent Claim
138 words
A SYSTEM FOR CONTROLLING THE GENERATION OF A REFERENCE WAVE USED TO SAMPLE AT AN OPTIMUM TIME SERIALLY RECEIVED SIGNAL ELEMENTS TRANSMITTED AT A PREDETERMINED FREQUENCY, SAID SYSTEM INCLUDING IN COMBINATION: MEANS PRODUCING A REFERENCE SIGNAL HAVING AN ADJUSTABLE FREQUENCY SUBSTANTIALLY EQUAL TO SAID PREDETERMINED FREQUENCY; MEANS RESPONSIVE TO SAID REFERENCE SIGNAL AND RECEIVED SIGNAL ELEMENTS FOR PRODUCING A SIGNAL WHICH IS IN RECONSTRUCTION OF SAID RECEIVED ELEMENTS SIGNAL; IS DISTORTION-FREE WITH RESPECT TO SAID REFERENCE SIGNAL; LOGIC MEANS, RESPONSIVE TO SAID RECEIVED SIGNAL ELEMENTS, SAID REFERENCE SIGNAL, AND SAID DISTORTION-FREE SIGNAL FOR PRODUCING AN OUTPUT REPRESENTING THE PHASE RELATIONSHIP BETWEEN SAID THREE INPTUS; AND MEANS, RESPONSIVE TO THE OUTPUT OF SAID LOGIC MEANS, CONNECTED TO SAID REFERENCE SIGNAL PRODUCING MEANS, FOR ADJUSTING THE GENERATION OF SAID REFERENCE SIGNAL TO SAMPLE THE RECEIVED ELEMTNS AT THE OPTIMUM TIME.
References Cited (Backward Citations)
US3096506A
Cited
US3116458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |