US3417189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keying system for electronic musical percussion simulator
Assignee: DH Baldwin Co
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Filing: 1965-03-29
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Granted: 1968-12-17
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank J Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:44
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; G10H1/14; Y; Y10; Y10S; Y10S84/00; Y10S84/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A PERCUSSIVE TONE GENERATING SYSTEM, A GAMUT OF SOURCES OF COMPLEX TONE SIGNALS HAVING FUNDAMENTALS ARRANGED IN FREQUENCY ACCORDING TO A CHROMATIC SCALE, A PLURALITY OF KEY SWITCHES, A PLURALITY OF PERCUSSIVE GATES SELECTIVELY RENDERED CONDUCTIVE IN GROUPS IN RESPONSE TO ACTUATION OF EACH OF SAID KEY SWITCHES, EACH GROUP RESPONSIVE TO ONE KEY SWITCH BEING CONNECTED TO CERTAIN OF SAID SIGNAL SOURCES SELECTED TO PROVIDE ALL PARTIALS OF ONE DESIRED PERCUSSIVE OUTPUT TONE IN TERMS OF FUNDAMENTALS OF THE SELECTED TONE SOURCES,
Claim 2
Dependent Claim
84 words
IN A PERCUSSIVE TONE GENERATING SYSTEM, A GAMUT OF SOURCES OF COMPLEX TONE SIGNALS HAVING FUNDAMENTALS ARRANGED IN FREQUENCY ACCORDING TO A CHROMATIC SCALE, A PLURALITY OF KEY SWITCHES, A PLURALITY OF PERCUSSIVE GATES SELECTIVELY RENDERED CONDUCTIVE IN GROUPS IN RESPONSE TO ACTUATION OF EACH OF SAID KEY SWITCHES, EACH GROUP RESPONSIVE TO ONE KEY SWITCH BEING CONNECTED TO CERTAIN OF SAID SIGNAL SOURCES SELECTED TO PROVIDE ALL PARTIALS OF ONE DESIRED PERCUSSIVE OUTPUT TONE IN TERMS OF FUNDAMENTALS OF THE SELECTED TONE SOURCES,
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |