US3553336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accenter touch bar for electronic musical instrument
Assignee: MUSICCO LLC
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Filing: 1968-06-20
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Granted: 1971-01-05
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Expires: 1988-06-20
Abstract
Abstract A touch bar is located closely adjacent the keyboard of an electronic musical instrument and forms part of a switch. The switch is connected in the instrument circuit so that when it is closed (or opened) the tonal quality of the audio output of the instrument is changed. The change may affect the intensity, pitch and/or timbre of the audio output. The touch bar is located so that it may be facilely struck by the player to produce varying musical effects.
Inventors
- 👤 Jerome Markowitz
- 👤 Errol R Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:10
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/32; G10H1/34
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
195 words
In an electronic musical instrument of the keyboard type comprising at least one manual keyboard, said keyboard having a bank of keys arranged in a row, said keys being connected to electrical switch means responsive to the physical operation of said keys, said switch means being connected to an electric circuit to control the energization of an audio system for an electronic signal source, electric circuit means for modifying the electronic signal for energizing said audio system whereby the tonal qualities of said audio system may be modified, and manually operable switch means for selectively controlling said electronic circuit means, said manual switch means including a base supporting an elongated push bar, said push bar being positioned adjacent said keyboard with its longitudinal axis extending generally transversely of said keys so that it may be facilely struck by a performer, resilient mounting means for said push bar so that it may be displaced relative to said base, and switch contact means responsive to the displacement of said push bar, said contact means being connected in electric circuit with said electronic circuit for modifying the electronic signal, whereby changes in said signal may be rapidly effected.
Claim 2
Dependent Claim
195 words
In an electronic musical instrument of the keyboard type comprising at least one manual keyboard, said keyboard having a bank of keys arranged in a row, said keys being connected to electrical switch means responsive to the physical operation of said keys, said switch means being connected to an electric circuit to control the energization of an audio system for an electronic signal source, electric circuit means for modifying the electronic signal for energizing said audio system whereby the tonal qualities of said audio system may be modified, and manually operable switch means for selectively controlling said electronic circuit means, said manual switch means including a base supporting an elongated push bar, said push bar being positioned adjacent said keyboard with its longitudinal axis extending generally transversely of said keys so that it may be facilely struck by a performer, resilient mounting means for said push bar so that it may be displaced relative to said base, and switch contact means responsive to the displacement of said push bar, said contact means being connected in electric circuit with said electronic circuit for modifying the electronic signal, whereby changes in said signal may be rapidly effected.
Claim 3
Dependent Claim
24 words
An electronic musical instrument in accordance with claim 1 wherein said electronic circuit means includes means for changing the amplitude of the electronic signal.
Claim 4
Dependent Claim
23 words
An electronic musical instrument in accordance with claim 1 wherein electronic circuit means includes means for modifying the timbre of the electronic signal.
Claim 5
Dependent Claim
24 words
An electronic musical instrument in accordance with claim 1 wherein said electronic circuit means includes means for modifying the pitch of the electronic signal.
Claim 6
Dependent Claim
20 words
An electronic musical instrument in accordance with claim 1 wherein said manually operable switch means is positioned above the keyboard.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |