Patent US3358081A successfully refreshed from Google Patents.
US3358081A
Expired / Lapsed
US
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Facsimile printer with ferroelectric modulator
Assignee: Xerox Corp
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Filing: 1964-10-20
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Granted: 1967-12-12
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Expires: 1984-10-20
Abstract
No abstract record available.
Inventors
- 👤 James E Young
- 👤 David C Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:33
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/32; H; H04; H04N; H04N1/00; H04N1/024; H04N1/032; H04N1/036
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
APPARATUS FOR RECORDING INFORMATION FROM AN ELECTRICAL SIGNAL COMPRISING: (A) A PHOTOSENSITIVE SURFACE ADAPTED FOR MOTION IN A SPECIFIC DIRECTION; (B) MEANS FOR PRODUCING A PLANE POLARIZED COLLIMATED LIGHT BEAM; (C) A TRANSPARENT ELECTRO-OPTIC POLARIZATION PLANE ROTATING CRYSTAL POSITIONED IN THE PATH OF SAID LIGHT BEAM; (D) MEANS FOR APPLYING AN ELECTRIC FIELD ACROSS SAID CRYSTAL IN ACCORDANCE WITH SAID ELECTRIC SIGNAL; (E) A POLARIZATION ANALYZER ELEMENT POSITIONED IN THE PATH OF SAID LIGHT BEAM AND ADJACENT TO THE SIDE OF SAID CRYSTAL FROM WHICH SAID LIGHT BEAM EMERGES; (F) MEANS FOR DIRECTING SAID LIGHT BEAM UPON EMERGENCE FROM SAID POLARIZATION ANALYZING ELEMENT INTO SUCCESSIVE LINEAR TRACES UPON SAID PHOTOSENSITIVE SURFACE, THE DIRECTION OF SAID TRACES BEING AT RIGHT ANGLES TO SAID SPECIFIC DIRECTION.
References Cited (Backward Citations)
US3154371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |