US4189971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument system having independent tone cabinet
Assignee: Nippon Gakki Co Ltd
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Filing: 1978-03-27
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Granted: 1980-02-26
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Expires: 1998-03-27
Abstract
Abstract An electronic musical instrument system comprising an electronic musical instrument body and a separate tone cabinet connected together by a cable. The electronic musical instrument body includes a plurality of tone coloring circuits to produce different musical tone signals, a musical tone signal selection circuit to select at least one of the output signals of these tone coloring circuits, and a musical effect selector; and the tone cabinet includes a musical effect imparting circuit to impart the selected musical tone signal or signals with a selected musical effect, a sound system having at least one loudspeaker connected to the musical effect imparting circuit, and a control circuit responsive to the musical effect selector for producing control signals to cause the musical effect imparting circuit to impart a selected musical effect to the selected musical tone signal or signals.
Inventors
- 👤 Rokurota Mantani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:11
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/043; G10H1/0091; G10H2210/00; G10H2210/155; G10H2210/195; G10H2210/201; G10H2210/215; Y; Y10; Y10S; Y10S84/00; Y10S84/01; Y10S84/04
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
282 words
An electronic musical system comprising: an instrument body; at least one tone cabinet located remote from said instrument body and being separated therefrom; and means for electrically connecting said instrument body to said at least one tone cabinet; said instrument body including: a playing section; a plurality of tone coloring circuits connected to receive a tone signal for producing a plurality of differently tone-colored musical tone signals; musical tone signal selection means coupled to said tone coloring circuits for selecting and providing at least one of said plural musical tone signals to one output terminal; and musical effect selection means ganged with said musical tone signal selection means for selecting one of a plurality of musical effects to be given to the musical tone signal or signals selected by said musical tone signal selection means in accordance with the at least one tone color selected by said musical tone signal selection means; said at least one tone cabinet including: musical effect imparting circuit means having an input for receiving said selected tone signal or signals and including tone signal modulating means for modulating said selected tone signal or signals in accordance with at least one modulation signal for imparting a selected musical effect or effects to said selected tone signal or signals; control means coupled to and responsive to said musical effect selection means of said instrument body to set said musical effect imparting circuit means into a state for imparting the musical effect selected by said musical effect selection means to said selected tone signal or signals; and a sound system having at least one loudspeaker and having an input coupled to the output of said musical effect imparting circuit means.
Claim 2
Dependent Claim
282 words
An electronic musical system comprising: an instrument body; at least one tone cabinet located remote from said instrument body and being separated therefrom; and means for electrically connecting said instrument body to said at least one tone cabinet; said instrument body including: a playing section; a plurality of tone coloring circuits connected to receive a tone signal for producing a plurality of differently tone-colored musical tone signals; musical tone signal selection means coupled to said tone coloring circuits for selecting and providing at least one of said plural musical tone signals to one output terminal; and musical effect selection means ganged with said musical tone signal selection means for selecting one of a plurality of musical effects to be given to the musical tone signal or signals selected by said musical tone signal selection means in accordance with the at least one tone color selected by said musical tone signal selection means; said at least one tone cabinet including: musical effect imparting circuit means having an input for receiving said selected tone signal or signals and including tone signal modulating means for modulating said selected tone signal or signals in accordance with at least one modulation signal for imparting a selected musical effect or effects to said selected tone signal or signals; control means coupled to and responsive to said musical effect selection means of said instrument body to set said musical effect imparting circuit means into a state for imparting the musical effect selected by said musical effect selection means to said selected tone signal or signals; and a sound system having at least one loudspeaker and having an input coupled to the output of said musical effect imparting circuit means.
Claim 3
Dependent Claim
54 words
The electronic musical instrument system according to claim 1, wherein said musical effect imparting circuit means includes first and second musical effect imparting circuits; and further comprising means for selectively coupling said first and second musical effect imparting circuits to said sound system in response to operation of said musical tone signal selection means.
Claim 4
Dependent Claim
58 words
The electronic musical instrument system according to claim 1, wherein said musical effect imparting circuit means includes means for modulating musical tone signals; and wherein said control means includes frequency variable oscillator means for supplying a modulation signal to said modulating means which has a frequency depending on a musical effect selected by said musical effect selection means.
Claim 5
Dependent Claim
38 words
The electronic musical instrument system according to claim 1, which further comprises respective level controllers provided at said inputs of said musical effect imparting circuit means and said sound system, said level controllers being ganged with each other.
Claim 6
Dependent Claim
120 words
The electronic musical instrument system according to claim 1, wherein said sound system includes first and second sound channels each including at least one loudspeaker; said musical effect imparting circuit means includes first and second modulators respectively coupled to said respective first and second sound channels and a third modulator commonly coupled to said first and second sound channels; and said control means includes first means for producing and coupling to said respective first and second modulators two modulation signals at a first frequency and 120 degrees out of phase with each other and second means for producing and coupling to said third modulator a further modulation signal at a second frequency which is substantially two times said first frequency.
Claim 7
Dependent Claim
26 words
The electronic musical instrument system according to claim 5, wherein said first and second modulators are phase modulators, and said third modulator is a delay-time modulator.
Claim 8
Dependent Claim
32 words
The electronic musical instrument system according to claim 5, wherein said musical effect imparting circuit means further comprises a filter circuit coupling said third modulator to said first and second sound channels.
Claim 9
Dependent Claim
71 words
The electronic musical instrument system according to claim 1, wherein said musical effect imparting means includes modulator means for modulating musical tone signals; and said control means includes frequency variable oscillator means adapted to be set to produce modulation signals of different frequencies in accordance with respective selection states of said musical effect selection means; and further comprising player operable means for continuously varying the oscillation frequency of said oscillator means.
Claim 10
Dependent Claim
67 words
The electronic musical instrument system according to claim 1, wherein said musical effect imparting means includes modulator means for modulating musical tone signals; and said control means includes frequency variable oscillator means for producing modulation signals of different frequencies in accordance with selection states of said musical effect selection means; and further comprising a filter circuit connected between said frequency variable oscillator means and said modulator means.
Claim 11
Dependent Claim
17 words
The electronic musical instrument system according to claim 9, wherein said filter circuit is a lowpass filter.
Claim 12
Dependent Claim
60 words
The electronic musical effect imparting system according to claim 1, wherein said musical tone signal selection means has a second output terminal at which appears a musical tone signal not appearing at said one output terminal thereof, and further comprising means for coupling said second output terminal to said sound system without passing through said musical effect imparting circuit means.
Claim 13
Dependent Claim
22 words
The electronic musical instrument system according to claim 11, which further includes a second sound system coupled to said second output terminal.
Claim 14
Dependent Claim
21 words
The electronic musical instrument system according to claim 1, wherein said sound system includes a mid-range loudspeaker and a high-range loudspeaker.
Claim 15
Dependent Claim
18 words
The electronic musical instrument system according to claim 12, wherein said second sound system includes a low-range loudspeaker.
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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) | 1983-02-25 | 1983-08-27 | 1984-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-02-25 | 1987-08-27 | 1988-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-02-25 | 1991-08-27 | 1992-02-26 | $7700.00 | Window Closed / Lapsed |