US3117183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying spot scanner with beam centering circuit
Assignee: 3M Co
•
Filing: 1961-01-16
•
Granted: 1964-01-07
•
Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 John T Mullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:02
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N5/843; H04N5/222; H04N5/257
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN COMBINATION IN APPARATUS FOR REPRODUCING INFORMATION REPRESENT BY THE FREQUENCY MODULATIONS IN SIGNALS RECORDED ON A MEDIUM MOVABLE IN A FIRST DIRECTIONS WHERE THE SIGNALS ARE RECORDED IN LINES TRANSVERSE TO THE FIRST DIRECTION, FIRST MEANS RESPONSIVE TO THE SIGNALS RECORDED IN EACH LINE FOR REPRODUCING THE INFORMATION REPRESENTED BY THE SIGNALS, MEANS OPERATIVELY COUPLED TO THE FIRST MEANS FOR PRODUCING CONTROL SIGNALS HAVING AT EACH INSTANT CHARACTERISTICS REPRESENTING INSTANTANEOUS DEVIATIONS IN THE FIRST DIRECTION OF THE POSITIONING OF THE FIRST MEANS RELATIVE TO THE LINE OF INFORMATION BEING REPRODUCED AT THAT INSTANT, AND MEANS RESPONSIVE TO THE CHARACTERISTICS OF THE CONTROL SIGNALS AT EACH INSTANT FOR VARYING THE POSITION IN THE FIRST DIRECTION OF THE FIRST MEANS RELATIVE TO THE LINE BEING SCANNED.
Claim 2
Dependent Claim
125 words
IN COMBINATION IN APPARATUS FOR REPRODUCING INFORMATION REPRESENT BY THE FREQUENCY MODULATIONS IN SIGNALS RECORDED ON A MEDIUM MOVABLE IN A FIRST DIRECTIONS WHERE THE SIGNALS ARE RECORDED IN LINES TRANSVERSE TO THE FIRST DIRECTION, FIRST MEANS RESPONSIVE TO THE SIGNALS RECORDED IN EACH LINE FOR REPRODUCING THE INFORMATION REPRESENTED BY THE SIGNALS, MEANS OPERATIVELY COUPLED TO THE FIRST MEANS FOR PRODUCING CONTROL SIGNALS HAVING AT EACH INSTANT CHARACTERISTICS REPRESENTING INSTANTANEOUS DEVIATIONS IN THE FIRST DIRECTION OF THE POSITIONING OF THE FIRST MEANS RELATIVE TO THE LINE OF INFORMATION BEING REPRODUCED AT THAT INSTANT, AND MEANS RESPONSIVE TO THE CHARACTERISTICS OF THE CONTROL SIGNALS AT EACH INSTANT FOR VARYING THE POSITION IN THE FIRST DIRECTION OF THE FIRST MEANS RELATIVE TO THE LINE BEING SCANNED.
References Cited (Backward Citations)
US2851521A
Cited
US2828478A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |