US3293357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal focusing color television camera
Assignee: Fujinon Corp
•
Filing: 1963-07-30
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Granted: 1966-12-20
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Doi Yoshikazu
- 👤 Hosaka Syusaku
- 👤 Nomura Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:27
CPC Classifications
G; G02; G02B; G02B13/00; H; H04; H04N; H04N23/00; H04N23/10; H04N23/13; H04N23/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A COLOR TELEVISION CAMERA COMPRISING AN OBJECT LENS MEANS, TRANSDUCING MEANS FOR TRANSLATING VISUAL IMAGES INTO ELECTRICAL SIGNALS REPRESENTATIVE OF THE COLOR CHARACTERISTICS OF SAID IMAGES, A FRONT AND A REAR RELAY LENS MEANS WHICH ARE INTERPOSED BETWEEN SAID OBJECT LENS MEANS AND SAID TRANSDUCING MEANS FOR PASSING LIGHT RAYS PARALLELLY FROM SAID FRONT RELAY LENS MEANS TO SAID REAR RELAY LENS MEANS, SAID FRONT RELAY LENS MEANS BEING MOUNTED FOR MOVEMENT RELATIVE TO SAID OBJECT LENS MEANS ALONG THE PATH TAKEN BY SAID LIGHT RAYS, TO ENABLE SAID CAMERA TO BE FOCUSED, THE DICHROIC MIRRORS ARRANGED BETWEEN SAID FRONT AND REAR RELAY LENS MEANS FOR RESOLVING LIGHT FRONT SAID FRONT RELAY MEANS INTO THREE PRIMARY COLORS, SAID FRONT RELAY MEANS BEING DIVIDED INTO TWO PARTS, OF WHICH THE FRONT PART IS THE NEGATIVE ONE AND THE REAR PART IS THE POSITIVE ONE SO THAT ANY ABERRATION MAY BE EFFECTIVELY CORRECTED IN THE OLD FOCUSING RANGE.
Claim 2
Dependent Claim
156 words
A COLOR TELEVISION CAMERA COMPRISING AN OBJECT LENS MEANS, TRANSDUCING MEANS FOR TRANSLATING VISUAL IMAGES INTO ELECTRICAL SIGNALS REPRESENTATIVE OF THE COLOR CHARACTERISTICS OF SAID IMAGES, A FRONT AND A REAR RELAY LENS MEANS WHICH ARE INTERPOSED BETWEEN SAID OBJECT LENS MEANS AND SAID TRANSDUCING MEANS FOR PASSING LIGHT RAYS PARALLELLY FROM SAID FRONT RELAY LENS MEANS TO SAID REAR RELAY LENS MEANS, SAID FRONT RELAY LENS MEANS BEING MOUNTED FOR MOVEMENT RELATIVE TO SAID OBJECT LENS MEANS ALONG THE PATH TAKEN BY SAID LIGHT RAYS, TO ENABLE SAID CAMERA TO BE FOCUSED, THE DICHROIC MIRRORS ARRANGED BETWEEN SAID FRONT AND REAR RELAY LENS MEANS FOR RESOLVING LIGHT FRONT SAID FRONT RELAY MEANS INTO THREE PRIMARY COLORS, SAID FRONT RELAY MEANS BEING DIVIDED INTO TWO PARTS, OF WHICH THE FRONT PART IS THE NEGATIVE ONE AND THE REAR PART IS THE POSITIVE ONE SO THAT ANY ABERRATION MAY BE EFFECTIVELY CORRECTED IN THE OLD FOCUSING RANGE.
References Cited (Backward Citations)
US3126446A
Cited
US2578420A
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US2672072A
Cited
US2632370A
Cited
US2808456A
Cited
US2909097A
Cited
US3207841A
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 |