Patent US3300779A successfully refreshed from Google Patents.
US3300779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three dimensional pictorial displays
Assignee: Technion Research and Development Foundation Ltd
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Filing: 1963-03-15
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Granted: 1967-01-24
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Expires: 1983-03-15
Abstract
No abstract record available.
Inventors
- 👤 Sirkis Rafael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:22
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
AN APPARATUS FOR THE EXHIBITION OF THREE-DIMENSIONAL IMAGES COMPRISING, A CATHODE RAY TUBE FLUORESCENT SCREEN WHICH HAS SUBSTANTIALLY NO PERSISTENCE ADAPTED TO PRODUCE A TWO-DIMENSIONAL ARRAY OF VARYING LIGHT VALUES RESPONSIVE TO THE INTENSITY OF A CATHODE RAY BEAM, ELECTRICAL AND MECHANICAL MEANS FOR CONTROLLING THE INTENSITY AND POSITION OF SAID BEAM, SAID MEANS INCLUDING A RADAR SYSTEM COMPRISING A TRANSMITTER FOR GENERATING RADIO FREQUENCY ENERGY, AN ANTENNA SCANNING MEANS FOR COVERING A DESIRED THREE-DIMENSIONAL SPACE WITH SAID RADIO FREQUENCY ENERGY BEAM, A RECEIVER FOR RECEIVING REFLECTED ENERGY FROM OBJECTS IN SAID THREE-DIMENSIONAL SPACE, SAID RECEIVER CONTROLLING THE INTENSITY OF SAID BEAM, AND MEANS FOR POSITIONING AND DEFLECTING SAID CATHODE RAY BEAM IN SYNCHRONISM WITH THE SCANNING OF SAID ANTENNA, A THREE-DIMENSIONAL DISPLAY MEMBER ROTATABLY MOUNTED ABOUT THE CATHODE RAY TUBE AXIS AND INCLUDING A HELICAL SURFACE FORMED ABOUT SAID AXIS, OPTICAL MEANS FOR TRANSFERRING SAID LIGHT VALUES FROM THE SCREEN TO SAID HELICAL SURFACE, AND A POWER MEANS FOR ROTATING SAID DISPLAY MEMBER AT A SPEED WHICH IS A FUNCTION OF THE SPEED AT WHICH SAID ANTENNA SCANS SAID THREE-DIMENSIONAL SPACE.
Claim 2
Independent Claim
182 words
AN APPARATUS FOR THE EXHIBITION OF THREE-DIMENSIONAL IMAGES COMPRISING, A CATHODE RAY TUBE FLUORESCENT SCREEN WHICH HAS SUBSTANTIALLY NO PERSISTENCE ADAPTED TO PRODUCE A TWO-DIMENSIONAL ARRAY OF VARYING LIGHT VALUES RESPONSIVE TO THE INTENSITY OF A CATHODE RAY BEAM, ELECTRICAL AND MECHANICAL MEANS FOR CONTROLLING THE INTENSITY AND POSITION OF SAID BEAM, SAID MEANS INCLUDING A RADAR SYSTEM COMPRISING A TRANSMITTER FOR GENERATING RADIO FREQUENCY ENERGY, AN ANTENNA SCANNING MEANS FOR COVERING A DESIRED THREE-DIMENSIONAL SPACE WITH SAID RADIO FREQUENCY ENERGY BEAM, A RECEIVER FOR RECEIVING REFLECTED ENERGY FROM OBJECTS IN SAID THREE-DIMENSIONAL SPACE, SAID RECEIVER CONTROLLING THE INTENSITY OF SAID BEAM, AND MEANS FOR POSITIONING AND DEFLECTING SAID CATHODE RAY BEAM IN SYNCHRONISM WITH THE SCANNING OF SAID ANTENNA, A THREE-DIMENSIONAL DISPLAY MEMBER ROTATABLY MOUNTED ABOUT THE CATHODE RAY TUBE AXIS AND INCLUDING A HELICAL SURFACE FORMED ABOUT SAID AXIS, OPTICAL MEANS FOR TRANSFERRING SAID LIGHT VALUES FROM THE SCREEN TO SAID HELICAL SURFACE, AND A POWER MEANS FOR ROTATING SAID DISPLAY MEMBER AT A SPEED WHICH IS A FUNCTION OF THE SPEED AT WHICH SAID ANTENNA SCANS SAID THREE-DIMENSIONAL SPACE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |