US3363054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record disc and play-back apparatus
Assignee: Individual
•
Filing: 1964-06-05
•
Granted: 1968-01-09
•
Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Mason Colin John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:53
CPC Classifications
G; G03; G03B; G03B31/00; G03B31/02; H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N5/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A RECORD DISC OF PROGRAMME MATERIAL HAVING BOTH SOUND AND VIDEO CONTENTS, THE DISC HAVING TWO CONCENTRIC SPIRAL TRACKS, ONE OF SAID TRACKS CARRYING THE SOUND CONTENT AND THE OTHER TRACK CARRYING THE VIDEO CONTENT IN PHOTOGRAPHICALLY RECORDED FORM AS A PLURALITY OF PICTURE ELEMENTS ARRANGED IN LINES WHICH EXTEND, SIDE BY SIDE AND IN SPACED APART RELATION, OBLIQUELY ACROSS THE WIDTH OF SAID OTHER TRACK, THE SPACING BETWEEN ADJACENT LINES BEING SUCH THAT A LINE EXTENDING RADIALLY FROM THE CENTRE OF THE DISC WILL INTERSECT SEVERAL SUCH LINES OF ELEMENTS IN EACH TURN OF THE TRACK, EACH ELEMENT HAVING A DENSITY CORRESPONDING TO THE LIGHT INTENSITY OF AN ELEMENT AREA OF THE VIDEO MATERIAL TO BE REPRODUCED.
Claim 2
Dependent Claim
118 words
A RECORD DISC OF PROGRAMME MATERIAL HAVING BOTH SOUND AND VIDEO CONTENTS, THE DISC HAVING TWO CONCENTRIC SPIRAL TRACKS, ONE OF SAID TRACKS CARRYING THE SOUND CONTENT AND THE OTHER TRACK CARRYING THE VIDEO CONTENT IN PHOTOGRAPHICALLY RECORDED FORM AS A PLURALITY OF PICTURE ELEMENTS ARRANGED IN LINES WHICH EXTEND, SIDE BY SIDE AND IN SPACED APART RELATION, OBLIQUELY ACROSS THE WIDTH OF SAID OTHER TRACK, THE SPACING BETWEEN ADJACENT LINES BEING SUCH THAT A LINE EXTENDING RADIALLY FROM THE CENTRE OF THE DISC WILL INTERSECT SEVERAL SUCH LINES OF ELEMENTS IN EACH TURN OF THE TRACK, EACH ELEMENT HAVING A DENSITY CORRESPONDING TO THE LIGHT INTENSITY OF AN ELEMENT AREA OF THE VIDEO MATERIAL TO BE REPRODUCED.
References Cited (Backward Citations)
US1967882A
Cited
US3198880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |