US3215032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for projecting a configuration on a flat carrier simultaneously onto projection screen and a pick-up tube of a television camera with the aid of the same projection objective
Assignee: US Philips Corp
•
Filing: 1961-06-05
•
Granted: 1965-11-02
•
Expires: 1981-06-05
Abstract
No abstract record available.
Inventors
- 👤 Lang Hendrik De
- 👤 Valeton Josue Jean Philippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:16
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/74; G; G03; G03B; G03B21/00; G03B21/001; H04N23/00; H04N23/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A DEVICE FOR PROJECTING THE VONFIGURATION ON A CARRIER SIMULTANEOUSLY ON A PROJECTION SCREEN AND A PICK-UP TUBE OF A TELEVISION CAMERA WITH THE SAME PROJECTION OBJECTIVE, COMPRISING A PROJECTION OBJECTIVE LOCATED AT A DISTANCE FROMS AID CARRIER AT LEAST EQUAL TOTHE FOCAL LENGTH OF SAID PROJECTION OBJECTIVE, A TELEVISION CAMERA OBJECTIVE ARRANGED IN FRONT OF THE PICK-UP TUBE OF SAID TELEVISION CAMERA, A CONCAVE SPHERICAL MIROE BEING CONSTITUTED OF OPTICALLY CLEAR MATERIALS WHEREBY THE PROJECTION BEAMS DIRECTED TOWARD SAID PROJECTION SCREEN PASS THROUGH SAID MIRROR, SAID PROJECTION OBJECTIVE AND SAID CAMERA OBJECTIVE HAVING CONJUGATED POSITIONS RELATIVE TO SAID SHPERICAL MIRROE, AND THE DISTANCE BETWEEN EACH OF SAID OBJECTIVES AND SAID CONCAVE SPHERICAL MIRROR AS MEASURED ALONG THE OPTICAL AXES CORRESPONDING AT LEAT SUBSTANTIALLY TO THE RADIUS OF CURVATURE OF SID CONCAVE SPHERICAL MIRROR.
Claim 2
Independent Claim
134 words
A DEVICE FOR PROJECTING THE VONFIGURATION ON A CARRIER SIMULTANEOUSLY ON A PROJECTION SCREEN AND A PICK-UP TUBE OF A TELEVISION CAMERA WITH THE SAME PROJECTION OBJECTIVE, COMPRISING A PROJECTION OBJECTIVE LOCATED AT A DISTANCE FROMS AID CARRIER AT LEAST EQUAL TOTHE FOCAL LENGTH OF SAID PROJECTION OBJECTIVE, A TELEVISION CAMERA OBJECTIVE ARRANGED IN FRONT OF THE PICK-UP TUBE OF SAID TELEVISION CAMERA, A CONCAVE SPHERICAL MIROE BEING CONSTITUTED OF OPTICALLY CLEAR MATERIALS WHEREBY THE PROJECTION BEAMS DIRECTED TOWARD SAID PROJECTION SCREEN PASS THROUGH SAID MIRROR, SAID PROJECTION OBJECTIVE AND SAID CAMERA OBJECTIVE HAVING CONJUGATED POSITIONS RELATIVE TO SAID SHPERICAL MIRROE, AND THE DISTANCE BETWEEN EACH OF SAID OBJECTIVES AND SAID CONCAVE SPHERICAL MIRROR AS MEASURED ALONG THE OPTICAL AXES CORRESPONDING AT LEAT SUBSTANTIALLY TO THE RADIUS OF CURVATURE OF SID CONCAVE SPHERICAL MIRROR.
References Cited (Backward Citations)
US1783998A
Cited
DE663239C
Cited
US2076103A
Cited
US2553903A
Cited
US2727427A
Cited
US2742817A
Cited
US2727429A
Cited
US2874605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |