US3250843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument with fluid pressure actuated volume control
Assignee: Individual
•
Filing: 1964-08-19
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Granted: 1966-05-10
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Expires: 1984-08-19
Abstract
No abstract record available.
Inventors
- 👤 Jenny Georges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:04
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/053; G10H1/055; G10H1/0558; H; H01; H01C; H01C10/00; H01C10/10; G10H2220/00; G10H2220/155; G10H2220/361; G10H2230/00; G10H2230/045; G10H2230/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
IN A MUSICAL INSTRUMENT HAVING AN ELECTRONIC TONE GENERATOR PROVIDED WITH A CONTROL CIRCUIT, ELECTRO-ACOUSTIC TRANSDUCER MEANS CONNECTED TO THE OUTPUT OF SAID GENERATOR, AND A MULTIPLICITY OF INDIVIDUALLY OPERABLE TONE SELECTORS CONNECTED TO SAID GENERATOR FOR ENERGIZING THE LATTER TO PRODUCE ELECTRICAL OSCILLATIONS WITH A VARIETY OF AUDIBLE FREQUENCIES TRANSLATABLE BY SAID TRANSDUCER MEANS INTO SOUND WAVES, THE COMBINATION THEREWITH OF A BODYACTUATED SOURCE OF AIR FLOW, FLOW-BLOCKING MEANS DISPLACEABLE IN RESPONSE TO VARIATIONS OF SAID AIR FLOW, AND AMPLITUDE-MODULATING MEANS FOR SAID OSCILALTIONS CONTROLLED BY SAID FLOW-BLOCKING MEANS, SAID AMPLITUDE-MODULATING MEANS INCLUDING A PRESSURE-SENSITIVE IMPEDANCE ELEMENT OF COMPRESSIBLE RESISTANCE MATERIAL CONNECTED IN SAID CONTROL CIRCUIT AND A PHYSICAL CONNECTION FROM SAID FLOW-BLOCKING MEANS TO SAID ELEMENT.
Claim 2
Dependent Claim
118 words
IN A MUSICAL INSTRUMENT HAVING AN ELECTRONIC TONE GENERATOR PROVIDED WITH A CONTROL CIRCUIT, ELECTRO-ACOUSTIC TRANSDUCER MEANS CONNECTED TO THE OUTPUT OF SAID GENERATOR, AND A MULTIPLICITY OF INDIVIDUALLY OPERABLE TONE SELECTORS CONNECTED TO SAID GENERATOR FOR ENERGIZING THE LATTER TO PRODUCE ELECTRICAL OSCILLATIONS WITH A VARIETY OF AUDIBLE FREQUENCIES TRANSLATABLE BY SAID TRANSDUCER MEANS INTO SOUND WAVES, THE COMBINATION THEREWITH OF A BODYACTUATED SOURCE OF AIR FLOW, FLOW-BLOCKING MEANS DISPLACEABLE IN RESPONSE TO VARIATIONS OF SAID AIR FLOW, AND AMPLITUDE-MODULATING MEANS FOR SAID OSCILALTIONS CONTROLLED BY SAID FLOW-BLOCKING MEANS, SAID AMPLITUDE-MODULATING MEANS INCLUDING A PRESSURE-SENSITIVE IMPEDANCE ELEMENT OF COMPRESSIBLE RESISTANCE MATERIAL CONNECTED IN SAID CONTROL CIRCUIT AND A PHYSICAL CONNECTION FROM SAID FLOW-BLOCKING MEANS TO SAID ELEMENT.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |