US3746772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument with built-in tape recorder
Assignee: Nippon Gakki Co Ltd
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Filing: 1968-05-08
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Granted: 1973-07-17
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Expires: 1988-05-08
Abstract
Abstract A multichannel tape recorder and variously selectable switches on its recording and reproducing sides are connectable between each of keyboard circuits and the audio amplifier of an electronic musical instrument, whereby a large variety of operations and utilizations of the combination of the instrument and the tape recorder are afforded.
Inventors
- 👤 M Ogi
- 👤 Y Uchiyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:20
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/0033; Y; Y10; Y10S; Y10S84/00; Y10S84/29
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
252 words
In an electronic musical instrument including a tone generator, a plurality of keyboard circuits connected thereto and having filters for producing respective keyboard signals providing complete musical notes at respective keyboard outputs, an expression control having an input and an output, the input being connected to receive said complete musical notes from the keyboard outputs, an amplifier having an input and an output, the input being connected to the output of said exprEssion control, and a loudspeaker connected to the output of said amplifier for giving out said keyboard signals as audible sound, the improvement comprising: a select means having inputs and an output, the inputs being connected to outputs of said plurality of keyboard circuits for selecting and delivering desired single signals and combinations of signals from said keyboard circuits; and a magnetic sound-recording and reproducing device connectable to the output of said selector means for recording signals thus selected and for providing an output of the recorded signals; and means connecting the output from said magnetic sound-recording and reproducing device to the input of said expression control, whereby recorded signals can be reproduced from the instrument when the instrument is being simultaneously played by operating said plurality of keyboard circuits, and wherein a mixer device for frequency mixing is interposed and connected between the outputs of said plurality of keyboard circuits and the input of said expression control, said magnetic recording and reproducing device along with said selector means forming a series circuit connectable in parallel with said mixer device.
Claim 2
Dependent Claim
252 words
In an electronic musical instrument including a tone generator, a plurality of keyboard circuits connected thereto and having filters for producing respective keyboard signals providing complete musical notes at respective keyboard outputs, an expression control having an input and an output, the input being connected to receive said complete musical notes from the keyboard outputs, an amplifier having an input and an output, the input being connected to the output of said exprEssion control, and a loudspeaker connected to the output of said amplifier for giving out said keyboard signals as audible sound, the improvement comprising: a select means having inputs and an output, the inputs being connected to outputs of said plurality of keyboard circuits for selecting and delivering desired single signals and combinations of signals from said keyboard circuits; and a magnetic sound-recording and reproducing device connectable to the output of said selector means for recording signals thus selected and for providing an output of the recorded signals; and means connecting the output from said magnetic sound-recording and reproducing device to the input of said expression control, whereby recorded signals can be reproduced from the instrument when the instrument is being simultaneously played by operating said plurality of keyboard circuits, and wherein a mixer device for frequency mixing is interposed and connected between the outputs of said plurality of keyboard circuits and the input of said expression control, said magnetic recording and reproducing device along with said selector means forming a series circuit connectable in parallel with said mixer device.
Claim 3
Dependent Claim
237 words
In an electronic musical instrument including a tone generator, a plurality of keyboard circuits connected thereto and having filters for producing respective keyboard signals providing complete musical notes at outputs thereof, an expression control having an input and an output, the input being connected to receive said complete musical notes, an amplifier having an input and an output, the input being connected to the output of said expression control, and a loudspeaker connected to the output of said amplifier for giving out said keyboard signals as audible sound, the improvement comprising in combination a multichannel magnetic sound-recording and reproducing device having inputs connectable to the outputs of said plurality of keyboard circuits for recording said keyboard signals and for reproducing signals thus recorded at outputs thereof; a selector means provided between the keyboard outputs and the inputs of said magnetic sound recording and reproducing device, and between the outputs of said magnetic sound recording and reproducing device and the inputs of said expression control, for respectively selecting single signals and combinations of signals from said keyboard outputs, and for transmitting reproduced selected signals to said expression control; and wherein said selector means includes a switching means connected between the inputs and outputs of said magnetic sound recording and reproducing device for selecting at least one of said reproduced signals and for feeding back the same to a vacant channel of the multichannel sound recording and reproducing device.
Claim 4
Dependent Claim
237 words
In an electronic musical instrument including a tone generator, a plurality of keyboard circuits connected thereto and having filters for producing respective keyboard signals providing complete musical notes at outputs thereof, an expression control having an input and an output, the input being connected to receive said complete musical notes, an amplifier having an input and an output, the input being connected to the output of said expression control, and a loudspeaker connected to the output of said amplifier for giving out said keyboard signals as audible sound, the improvement comprising in combination a multichannel magnetic sound-recording and reproducing device having inputs connectable to the outputs of said plurality of keyboard circuits for recording said keyboard signals and for reproducing signals thus recorded at outputs thereof; a selector means provided between the keyboard outputs and the inputs of said magnetic sound recording and reproducing device, and between the outputs of said magnetic sound recording and reproducing device and the inputs of said expression control, for respectively selecting single signals and combinations of signals from said keyboard outputs, and for transmitting reproduced selected signals to said expression control; and wherein said selector means includes a switching means connected between the inputs and outputs of said magnetic sound recording and reproducing device for selecting at least one of said reproduced signals and for feeding back the same to a vacant channel of the multichannel sound recording and reproducing device.
Claim 5
Dependent Claim
231 words
In an electronic musical instrument including a tone generator, a plurality of keyboard circuits connected thereto and having filters for producing respective keyboard signals providing complete musical notes at outputs thereof, at least one expression control having an input and an output, the input being connected to receive said complete musical notes, an amplifier having an input and an output, the input being connected to the output of said expression control, and a loudspeaker connected to the output of said amplifier for giving out said keyboard signals as audible sound, the improvement comprising in combination: a selector means having inputs and outputs, the inputs being connected to the outputs of said plurality of keyboard circuits for selecting and delivering desired single signals and combinations of signals from said keyboard circuit; and a multichannel magnetic sound-recording and reproducing device connectable to the output of said selector means for recording signals thus selected and for providing an output of the recorded signals; and means connecting the output from said magnetic sound-recording reproducing device to the input of said expression control, whereby recorded signals can be reproduced fRom the instrument when the instrument is being simultaneously played by operating said plurality of keyboard circuits, and wherein said instrument includes an additional selector means connected at an output device for selectively transmitting one or more of selected channels into the input of said expression control.
Claim 6
Dependent Claim
231 words
In an electronic musical instrument including a tone generator, a plurality of keyboard circuits connected thereto and having filters for producing respective keyboard signals providing complete musical notes at outputs thereof, at least one expression control having an input and an output, the input being connected to receive said complete musical notes, an amplifier having an input and an output, the input being connected to the output of said expression control, and a loudspeaker connected to the output of said amplifier for giving out said keyboard signals as audible sound, the improvement comprising in combination: a selector means having inputs and outputs, the inputs being connected to the outputs of said plurality of keyboard circuits for selecting and delivering desired single signals and combinations of signals from said keyboard circuit; and a multichannel magnetic sound-recording and reproducing device connectable to the output of said selector means for recording signals thus selected and for providing an output of the recorded signals; and means connecting the output from said magnetic sound-recording reproducing device to the input of said expression control, whereby recorded signals can be reproduced fRom the instrument when the instrument is being simultaneously played by operating said plurality of keyboard circuits, and wherein said instrument includes an additional selector means connected at an output device for selectively transmitting one or more of selected channels into the input of said expression control.
Claim 7
Dependent Claim
38 words
The electronic musical instrument as claimed in claim 3 further comprising feedback means for returning at least part of the output of said additional selector device to an input of said multichannel magnetic sound recording and reproducing device.
Claim 8
Dependent Claim
252 words
In an electronic musical instrument including a tone generator, a plurality of keyboard circuits connected thereto and having filters for producing respective keyboard signals providing complete musical notes at outputs thereof, at least one expression control having an input and an output, the input being connected to receive said complete musical notes, an amplifier having an input and an output, the input being connected to the output of said expression control, and a loudspeaker connected to the output of said amplifier for giving out said keyboard as audible sound, the improvement comprising in combination: a selector means having inputs and outputs, the inputs being connected to the outputs of said plurality of keyboard circuits for selecting and delivering desired single signals and combinations of signals from said keyboard circuit; and a multichannel magnetic sound-recording and reproducing device connectable to the output of said selector means for recording signals thus selected and for providing an output of the recorded signals; and means connecting the output from said magnetic sound-recording and reproducing device to the input of said expression control, whereby recorded signals can be reproduced from the instrument when the instrument is being simultaneously played by operating said plurality of keyboard circuits, and wherein a mixer device for frequency mixing is interposed and connected between the outputs of said plurality of keyboard circuits and the input of said expression control, said multichannel magnetic recording and reproducing device along with said selector means forming a series circuit connectable in parallel with said mixer device.
Claim 9
Dependent Claim
252 words
In an electronic musical instrument including a tone generator, a plurality of keyboard circuits connected thereto and having filters for producing respective keyboard signals providing complete musical notes at outputs thereof, at least one expression control having an input and an output, the input being connected to receive said complete musical notes, an amplifier having an input and an output, the input being connected to the output of said expression control, and a loudspeaker connected to the output of said amplifier for giving out said keyboard as audible sound, the improvement comprising in combination: a selector means having inputs and outputs, the inputs being connected to the outputs of said plurality of keyboard circuits for selecting and delivering desired single signals and combinations of signals from said keyboard circuit; and a multichannel magnetic sound-recording and reproducing device connectable to the output of said selector means for recording signals thus selected and for providing an output of the recorded signals; and means connecting the output from said magnetic sound-recording and reproducing device to the input of said expression control, whereby recorded signals can be reproduced from the instrument when the instrument is being simultaneously played by operating said plurality of keyboard circuits, and wherein a mixer device for frequency mixing is interposed and connected between the outputs of said plurality of keyboard circuits and the input of said expression control, said multichannel magnetic recording and reproducing device along with said selector means forming a series circuit connectable in parallel with said mixer device.
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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |