US3671103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Di-lead molybdate ultrasonic light deflector
Assignee: NTT Inc
•
Filing: 1971-03-31
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Granted: 1972-06-20
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Expires: 1991-03-31
Abstract
Abstract A SINGLE CRYSTAL OF DI-LEAD MOLYBDATE,PB2MOO5, THAT IS 2PBO.MOO3, IS USED AS A MEDIUM FOR ULTRASONIC DEFLECTION OF LIGHT. THE LIGHT DEFLECTING MEDIUM OF THE PRESENT INVENTION ENABLES LIGHT AND ULTRASONIC WAVES TRANSMITTING THERETHROUGH TO BE INTERACTED ACOUSTO-OPTICALLY WITH HIGHER EFFICIENCY THAN THAT OF THE PRIOR ART AND THAT USING TELLURI- UM DIOXIDE AS THE SINGLE CRYSTAL. THE PRESENT LIGHT DEFLECTING MEDIUM DISPLAYS VARIOUS EFFFECTS BY SEVERAL COMBINATIONS OF THE PROPAGATION DIRECTIONS OF LIGHT AND ACOUSTIC WAVES.
Inventors
- 👤 Naoya Uchida
- 👤 Yoshiro Ohmachi
- 👤 Nobukazu Niizeki
- 👤 Shintaro Miyazawa
- 👤 Hiroshi Iwasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:29
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/29; G02F1/33; G02F2201/00; G02F2201/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |