US3333053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical system for color television camera
Assignee: Individual
•
Filing: 1964-05-27
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Granted: 1967-07-25
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Frank G Back
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:11
CPC Classifications
G; G02; G02B; G02B9/00; G02B9/04; H; H04; H04N; H04N23/00; H04N23/10; H04N23/13; H04N23/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN OPTICAL SYSTEM FOR A COLOR TELEVISION CAMERA HAVING BLACK AND WHITE AND COLOR IMAGE TRANSMITTING TUBES THEREIN COMPRISING IN COMBINATION, A CAMERA LENS OF LONG BACK FOCAL LENGTH, A BEAM SPLITTER TO RECEIVE THE LIGHT FROM THE LENS AND CONVERT IT INTO A FIRST AND SECOND COMPONENT, A BLACK AND WHITE IMAGE TRAMSMITTING TUBE DISPOSED ADJACENT AND SUBSTANTIALLY PARALLEL TO THE LENS, LIGHT REFLECTING MEANS TO RECEIVE THE FIRST LIGHT COMPONENT FROM THE BEAM SPLITTER AND DIRECT IT INTO THE BLACK AND WHITE IMAGE TRANSMITTING TUBE, A PRISM BLOCK TO RECEIVE THE SECOND COMPONENT FROM THE BEAM SPLITTER, MEANS CARRIED BY THE PRISM BLOCK TO SEPARATE THE SECOND COMPONENT INTO A PLURALITY OF DISTINCT COLOR COMPONENTS, A MODIFIED PETZVAL LENS SYSTEM COMPRISING A FIRST DOUBLET AND A SECOND DOUBLET AIR SPACED FROM SAID FIRST DOUBLET, SAID PRISM
Claim 2
Dependent Claim
138 words
AN OPTICAL SYSTEM FOR A COLOR TELEVISION CAMERA HAVING BLACK AND WHITE AND COLOR IMAGE TRANSMITTING TUBES THEREIN COMPRISING IN COMBINATION, A CAMERA LENS OF LONG BACK FOCAL LENGTH, A BEAM SPLITTER TO RECEIVE THE LIGHT FROM THE LENS AND CONVERT IT INTO A FIRST AND SECOND COMPONENT, A BLACK AND WHITE IMAGE TRAMSMITTING TUBE DISPOSED ADJACENT AND SUBSTANTIALLY PARALLEL TO THE LENS, LIGHT REFLECTING MEANS TO RECEIVE THE FIRST LIGHT COMPONENT FROM THE BEAM SPLITTER AND DIRECT IT INTO THE BLACK AND WHITE IMAGE TRANSMITTING TUBE, A PRISM BLOCK TO RECEIVE THE SECOND COMPONENT FROM THE BEAM SPLITTER, MEANS CARRIED BY THE PRISM BLOCK TO SEPARATE THE SECOND COMPONENT INTO A PLURALITY OF DISTINCT COLOR COMPONENTS, A MODIFIED PETZVAL LENS SYSTEM COMPRISING A FIRST DOUBLET AND A SECOND DOUBLET AIR SPACED FROM SAID FIRST DOUBLET, SAID PRISM
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |