Patent US3275745A successfully refreshed from Google Patents.
US3275745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three-dimensional television system
Assignee: Individual
•
Filing: 1963-12-23
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Granted: 1966-09-27
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Robert E Var
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:07
CPC Classifications
H; H04; H04N; H04N13/00; H04N13/30; H04N13/332; H04N13/341; H04N13/10; H04N13/106; H04N13/161; H04N13/194; H04N13/337; H04N13/398
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
131 words
A THREE-DIMENSIONAL TELEVISION TRANSMISSION SYSTEM COMPRISING IN COMBINATION A RIGHT AND LEFT TELEVISION CAMERA, A CIRCUIT MEANS WIRED TO EACH OF SAID CAMERAS, EACH OF SAID CAMERAS BEING ADAPTED TO PRODUCE AN A AND B TRANSMISSION FIELD, SAID CIRCUIT MEANS BEING ADAPTED TO DISTINGUISH BETWEEN THE A AND B TRANSMISSION FIELDS PRODUCED BY EACH CAMERA AND MEANS FOR BLANKING OUT THE SIGNAL FROM EACH CAMERA IN ALTERNATE SEQUENCE CORRESPONDING TO THE PRESENTATION OF THE RESPECTIVE TRANSMISSION FIELDS WHEREBY ONE CAMERAS TRANSMITS ONLY FIELD A AND THE OTHER FIELD B AND A PICTURE TUBE WITH A FIRST POLARIZING MEANS FOR POLARIZING LIGHT IN DIFFERENT PLANES FROM PORTIONS OF THE PICTURES DISPLAYED ON THE TUBE AND A SECOND POLARIZING MEANS FOR POLARIZING LIGHT IN A DIFFERENT PLANE FOR EACH EYE OF THE VIEWER
References Cited (Backward Citations)
US2301524A
Cited
US2578298A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |