Patent US3229098A successfully refreshed from Google Patents.
US3229098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-beam microphone and method
Assignee: Giannini Scientific Corp
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Filing: 1963-01-15
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Granted: 1966-01-11
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Expires: 1983-01-15
Abstract
No abstract record available.
Inventors
- 👤 Gabriel M Giannini
- 👤 Delbert G Van Ornum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:37
CPC Classifications
H; H04; H04R; H04R23/00; H04R23/008
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
A METHOD OF TRANSDUCING SOUND WAVES INTO ELECTRICAL WAVES, WHICH COMPRISES GENERATING A BEAM OF LIGHT, TRANSMITTING SAID BEAM OF LIGHT THROUGH THE AMBIENT ATMOSPHERE AT A REGION ADJACENT A SOUND-WAVE SOURCE WHICH IS DISPOSED IN SAID AMBIENT ATMOSPHERE AND WHICH GENERATES IN SAID ATMOSPHERE SOUND WAVES ADAPTED TO EFFECT REFRACTION OF SAID LIGHT BEAM PASSING THERETHROUGH IN SAID ATMOSPHERE, DISPOSING IN THE PATH OF SAID REFRACTED LIGHT BEAM A PHOTODETECTOR MEANS SO CONSTRUCTED THAT DEFLECTION OF SAID BEAM CAUSED BY SAID REFRACTION THEREOF VARIES THE RESPONSE OF SAID PHOTODETECTOR MEANS, AND AM-
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |