US3185778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing sound
Assignee: Giannini Scientific Corp
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Filing: 1962-05-01
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Granted: 1965-05-25
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Expires: 1982-05-01
Abstract
No abstract record available.
Inventors
- 👤 Gabriel M Giannini
- 👤 Adriano C Ducati
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:55
CPC Classifications
G; G10; G10K; G10K15/00; G10K15/04; G10K15/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
APPARATUS FOR PRODUCING SOUND, WHICH COMPRISES A NOZZLE ELEMENT HAVING A NOZZLE PASSAGE THERETHROUGH, ELECTRODE MEANS INCLUDING A BACK ELECTRODE HAVING AN ARCING PORTION DISPOSED IN THE VICINITY OF SAID NOZZLE PASSAGE, MEANS TO EFFECT COOLING OF SAID ELECTRODE MEANS, CURRENTSUPPLY MEANS CONNECTED ELECTRICALLY TO SAID ELECTRODE MEANS TO MAINTAIN A HIGH-CURRENT ELECTRIC ARC FROM SAID ARCING PORTION THROUGH AT LEAST A PORTION OF SAID NOZZLE PASSAGE, SAID CURRENT-SUPPLY MEANS BEING ADAPTED TO SUPPLY AT LEAST ON THE OTHER OF FIFTY AMPERES CURRENT TO SAID ELECTRODE MEANS, A SOURCE OF GAS UNDER SUBSTANTIAL PRESURE, CONDUIT MEANS CONNECTING SAID SOURCE TO SAID NOZZLE PASSAGE TO EFFECT FORCED FLOW OF GAS THERETHROUGH WHEREBY SAID GAS IS HEATED SUBSTANTIALLY BY SAID ARC AND IS DISCHARGED FROM SAID NOZZLE PASSAGE IN THE FORM OF PLASMA, AND MEANS TO ALTER THE CHARACTERISTICS OF SAID ARC AND THUS OF SAID PLASMA AT FREQUENCIES WITHIN THE AUDIO RANGE TO THEREBY EFFECT GENERATION OF SOUND.
Claim 2
Dependent Claim
157 words
APPARATUS FOR PRODUCING SOUND, WHICH COMPRISES A NOZZLE ELEMENT HAVING A NOZZLE PASSAGE THERETHROUGH, ELECTRODE MEANS INCLUDING A BACK ELECTRODE HAVING AN ARCING PORTION DISPOSED IN THE VICINITY OF SAID NOZZLE PASSAGE, MEANS TO EFFECT COOLING OF SAID ELECTRODE MEANS, CURRENTSUPPLY MEANS CONNECTED ELECTRICALLY TO SAID ELECTRODE MEANS TO MAINTAIN A HIGH-CURRENT ELECTRIC ARC FROM SAID ARCING PORTION THROUGH AT LEAST A PORTION OF SAID NOZZLE PASSAGE, SAID CURRENT-SUPPLY MEANS BEING ADAPTED TO SUPPLY AT LEAST ON THE OTHER OF FIFTY AMPERES CURRENT TO SAID ELECTRODE MEANS, A SOURCE OF GAS UNDER SUBSTANTIAL PRESURE, CONDUIT MEANS CONNECTING SAID SOURCE TO SAID NOZZLE PASSAGE TO EFFECT FORCED FLOW OF GAS THERETHROUGH WHEREBY SAID GAS IS HEATED SUBSTANTIALLY BY SAID ARC AND IS DISCHARGED FROM SAID NOZZLE PASSAGE IN THE FORM OF PLASMA, AND MEANS TO ALTER THE CHARACTERISTICS OF SAID ARC AND THUS OF SAID PLASMA AT FREQUENCIES WITHIN THE AUDIO RANGE TO THEREBY EFFECT GENERATION OF SOUND.
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |