Patent US3402598A successfully refreshed from Google Patents.
US3373380A
Expired / Lapsed
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Laser beam-soundwave techniques using curved acoustic waves
Assignee: Zenith Electronics LLC
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Filing: 1965-08-03
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Granted: 1968-03-12
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:17
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/29; G02F1/33
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
SIGNAL TRANSLATING APPARATUS COMPRISING: MEANS FOR PRODUCING A BEAM CONTAINING WAVE-FRONTS OF SPATIALLY COHERENT SUBSTANTIALLY MONOCHROMATIC LIGHT; AND MEANS FOR DIRECTING ACROSS THE PATH OF SAID BEAM SOUND WAVE-FRONTS, AT LEAST A PORTION OF ONE OF SAID WAVE-FRONTS BEING CURVED AND THE DIRECTION OF PROPAGATION OF SAID SOUND BEING ORIENTED RELATIVE TO THAT OF SAID LIGHT SO THAT THE TANGENTS TO SAID PORTION INCLUDE A TANGENT WHICH INTERSECTS THE OTHER OF SAID WAVE-FRONTS AT THE BRAGG ANGLE CORRESPONDING TO THE WAVELENGTHS OF SAID SOUND AND LIGHT.
Claim 2
Dependent Claim
86 words
SIGNAL TRANSLATING APPARATUS COMPRISING: MEANS FOR PRODUCING A BEAM CONTAINING WAVE-FRONTS OF SPATIALLY COHERENT SUBSTANTIALLY MONOCHROMATIC LIGHT; AND MEANS FOR DIRECTING ACROSS THE PATH OF SAID BEAM SOUND WAVE-FRONTS, AT LEAST A PORTION OF ONE OF SAID WAVE-FRONTS BEING CURVED AND THE DIRECTION OF PROPAGATION OF SAID SOUND BEING ORIENTED RELATIVE TO THAT OF SAID LIGHT SO THAT THE TANGENTS TO SAID PORTION INCLUDE A TANGENT WHICH INTERSECTS THE OTHER OF SAID WAVE-FRONTS AT THE BRAGG ANGLE CORRESPONDING TO THE WAVELENGTHS OF SAID SOUND AND LIGHT.
References Cited (Backward Citations)
US2449166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |