US3279341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical printer and display system
Assignee: Motorola Solutions Inc
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Filing: 1964-06-29
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Granted: 1966-10-18
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Frank J Arkell
- 👤 Kenneth W Hines
- 👤 Evan L Ragland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:50
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/29; G02F1/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
AN OPTICAL SYSTEM FOR POSITIONING A PLANE POLARIZED LIGHT BEAM INCLUDING IN COMBINATION, A PLURALITY OF BIREFRINGENT CRYSTALS POSITIONED IN THE PATH OF THE LIGHT BEAM, A PLURALITY OF ELECTRO-OPTIC CRYSTALS OF THE TYPE CAUSING ROTATION OF THE PLANE OF POLARIZATION OF PLANE POLARIZED LIGHT PASSING THERETHROUGH IN RESPONSE TO THE APPLICATION THEREACROSS OF AN ELECTRIC FIELD OF PREDETERMINED MAGNITUDE, ONE OF SAID ELECTRO-OPTIC CRYSTALS BEING POSITIONED IN THE PATH OF THE LIGHT BEAM AHEAD OF EACH OF SAID BIREFRIGENT CRYSTAL, AND AT LEAST ONE OPTICAL PRISM POSITIONED IN THE PATH OF THE LIGHT BEAM AND ADAPTED TO REFLECT RAYS HAVING ONE PLANE OF POLARIZATION AND TO TRANSMIT RAYS HAVING A DIFFERENT PLANE OF POLARIZATION, ONE OF SAID ELECTRO-OPTIC CRYSTALS BEING POSITIONED IN THE PATH OF THE LIGHT BEAM AHEAD OF SAID PRISM, SAID ELECTRIC FIELD APPLIED TO SAID ELECTRO-OPTIC CRYSTAL POSITIONED AHEAD OF SAID PRISM HAVING A FIRST MAGNITUDE WHEREBY SAID LIGHT BEAM PASSES THERETHROUGH WITHOUT ROTATION OF THE PLANE OF POLARIZATION, AND A SECOND MAGNITUDE WHEREBY SAID PLANE OF POLARIZATION
Claim 2
Dependent Claim
172 words
AN OPTICAL SYSTEM FOR POSITIONING A PLANE POLARIZED LIGHT BEAM INCLUDING IN COMBINATION, A PLURALITY OF BIREFRINGENT CRYSTALS POSITIONED IN THE PATH OF THE LIGHT BEAM, A PLURALITY OF ELECTRO-OPTIC CRYSTALS OF THE TYPE CAUSING ROTATION OF THE PLANE OF POLARIZATION OF PLANE POLARIZED LIGHT PASSING THERETHROUGH IN RESPONSE TO THE APPLICATION THEREACROSS OF AN ELECTRIC FIELD OF PREDETERMINED MAGNITUDE, ONE OF SAID ELECTRO-OPTIC CRYSTALS BEING POSITIONED IN THE PATH OF THE LIGHT BEAM AHEAD OF EACH OF SAID BIREFRIGENT CRYSTAL, AND AT LEAST ONE OPTICAL PRISM POSITIONED IN THE PATH OF THE LIGHT BEAM AND ADAPTED TO REFLECT RAYS HAVING ONE PLANE OF POLARIZATION AND TO TRANSMIT RAYS HAVING A DIFFERENT PLANE OF POLARIZATION, ONE OF SAID ELECTRO-OPTIC CRYSTALS BEING POSITIONED IN THE PATH OF THE LIGHT BEAM AHEAD OF SAID PRISM, SAID ELECTRIC FIELD APPLIED TO SAID ELECTRO-OPTIC CRYSTAL POSITIONED AHEAD OF SAID PRISM HAVING A FIRST MAGNITUDE WHEREBY SAID LIGHT BEAM PASSES THERETHROUGH WITHOUT ROTATION OF THE PLANE OF POLARIZATION, AND A SECOND MAGNITUDE WHEREBY SAID PLANE OF POLARIZATION
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |