US5170002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motion-controlled musical tone control apparatus
Assignee: Yamaha Corp
•
Filing: 1992-04-23
•
Granted: 1992-12-08
•
Expires: 2012-04-23
Abstract
Abstract Musical instruments usually require a high level of skill on the part of the operator. In the case of electronic instruments, playing an instrument often involves the depressing of keys on a keyboard. In the present invention, an apparatus for the generation of musical sounds is described which is instead based on monitoring motions of the body, especially the natural motion of swinging the arms and legs. The monitoring of body motion depends on the use of an acceleration sensor in a hand-held element, or on the use of an acceleration sensor contained in a detachable housing which is held by a "Velcro" (Trademark) type fastener to a part of the body. The signal from the acceleration sensor is transmitted via a cable or a wireless transmitter to a musical tone signal generating circuit which is contained, along with batteries, in a belt-shaped casing which may be worn by the user. The musical tone generating circuit receives signals from the acceleration sensor, and using the musical tone color information stored in its memory, produces the appropriate output signal. Therefore, musical tones can be generated simply by moving a monitored part of the body, without the actions usually required to play an electronic musical instrument.
Inventors
- 👤 Hideo Suzuki
- 👤 Shunichi Matsushima
- 👤 Masahiko Obata
- 👤 Masao Sakama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:43
CPC Classifications
G; G10; G10H; G10H1/00; G10H2220/00; G10H2220/155; G10H2220/321
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
128 words
A musical tone control apparatus comprising: (a) a motion sensor for detecting motion of the motion sensor itself, wherein the motion sensor has a band shape and is adapted to be attached to a human body and comprises an acceleration sensor generating and outputting a measurement signal responsive to the acceleration of the motion sensor, and (b) a musical tone control signal generating means for receiving the measurement signal to thereby detect peaks of the measurement signal, so that a musical tone parameter is controlled based on detected peaks of the measurement signal; whereby a musical tone control signal is generated in response to the detected peaks and in response to acceleration of the motion sensor attachable to the human body to thereby control a manual musical performance.
Claim 2
Dependent Claim
128 words
A musical tone control apparatus comprising: (a) a motion sensor for detecting motion of the motion sensor itself, wherein the motion sensor has a band shape and is adapted to be attached to a human body and comprises an acceleration sensor generating and outputting a measurement signal responsive to the acceleration of the motion sensor, and (b) a musical tone control signal generating means for receiving the measurement signal to thereby detect peaks of the measurement signal, so that a musical tone parameter is controlled based on detected peaks of the measurement signal; whereby a musical tone control signal is generated in response to the detected peaks and in response to acceleration of the motion sensor attachable to the human body to thereby control a manual musical performance.
Claim 3
Dependent Claim
46 words
A musical tone control apparatus according to claim 1 wherein the motion sensor comprises a holder means for supporting the motion sensor on a human body and a housing containing the motion sensor to be detachably attached to the holder means by means of a fastener.
Claim 4
Dependent Claim
34 words
A musical tone control apparatus according to claim 1 wherein the musical tone control signal generating means comprises a holder in a belt-shaped casing adapted to be worn around the waist of the body.
Claim 5
Dependent Claim
60 words
A musical tone control apparatus according to claim 1 wherein the musical tone control signal generating means comprises a detection means for detecting when the measurement signal exceeds a predetermined threshold value, and for outputting a key-on signal when the predetermined threshold is surpassed, whereby the key-on signal is generated in response to an acceleration exceeding the predetermined threshold value.
Claim 6
Dependent Claim
55 words
A musical tone control apparatus according to claim 4 wherein the musical tone control signal generating means further comprises an A/D converter for converting an analog measurement signal to a digital measurement signal, a memory means for storing the predetermined threshold value, and a comparator for comparing the digital measurement signal with the threshold value.
Claim 7
Dependent Claim
53 words
A musical tone control apparatus according to claim 1 wherein the musical tone control signal generating means comprises a peak detection means for detecting peaks of the measurement signal and outputting a peak signal when the peaks are detected, whereby the musical tone control signal is generated in response to the peak signal.
Claim 8
Dependent Claim
21 words
A musical tone control apparatus according to claim 1, wherein the motion sensor is in the form of a wrist band.
Claim 9
Dependent Claim
21 words
A musical tone control apparatus according to claim 1, wherein the motion sensor is in the form of an ankle band.
Claim 10
Dependent Claim
31 words
A musical tone control apparatus as set out in claim 1, wherein the motion sensor detects motion of the part of the human body to which the motion sensor is attached.
Claim 11
Dependent Claim
115 words
A musical tone control apparatus comprising: (a) a motion sensor for detecting motion of the motion sensor itself and outputting a measurement signal responsive to the motion, the motion sensor being adapted to be held by hand and comprising a ring-shaped body; a selection switch attached to the ring-shaped body for outputting a selection signal responsive to the operation of the selection switch; an acceleration sensor attached to the ring-shaped body; and (b) a musical tone control signal generating means for receiving the measurement signal and generating a musical tone control signal in response thereto; whereby the musical tone control signal is generated in response to the motion of the motion sensor held by hand.
Claim 12
Dependent Claim
115 words
A musical tone control apparatus comprising: (a) a motion sensor for detecting motion of the motion sensor itself and outputting a measurement signal responsive to the motion, the motion sensor being adapted to be held by hand and comprising a ring-shaped body; a selection switch attached to the ring-shaped body for outputting a selection signal responsive to the operation of the selection switch; an acceleration sensor attached to the ring-shaped body; and (b) a musical tone control signal generating means for receiving the measurement signal and generating a musical tone control signal in response thereto; whereby the musical tone control signal is generated in response to the motion of the motion sensor held by hand.
Claim 13
Dependent Claim
93 words
A musical tone control apparatus according to claim 10 wherein: a main portion of the ring-shaped body comprises an exterior toroidal major section having a groove therealong and an interior partial toroidal minor section attached to the major section so as to form a tube by the union thereof having a passage therealong; the ring-shaped body includes a hand grip which subtends a gap in the minor section; and the acceleration sensor is placed at an angle such that it is neither parallel nor perpendicular to a plane defined by the ring-shaped body.
Claim 14
Dependent Claim
17 words
A musical tone control apparatus according to claim 10 wherein the ring-shaped body has a toroidal cross-section.
Claim 15
Dependent Claim
19 words
A musical tone control apparatus according to claim 10 wherein the ring-shaped body has a hand grip attached thereto.
Claim 16
Dependent Claim
135 words
A musical tone control apparatus comprising: (a) a motion sensor for detecting motion of the motion sensor itself, wherein the motion sensor is adapted to be attached to a human body and comprises an acceleration sensor generating and outputting a measurement signal responsive to the acceleration of the motion sensor, the motion sensor also comprising holder means for supporting the motion sensor on a human body, a housing containing the acceleration sensor, and fastener means for detachably fastening the housing to the holder means, and (b) musical tone control signal generating means for receiving the measurement signal and generating a musical tone control signal in response thereto; whereby the musical tone control signal is generated in response to acceleration of the motion sensor attachable to the human body to thereby control a manual musical performance.
Claim 17
Dependent Claim
135 words
A musical tone control apparatus comprising: (a) a motion sensor for detecting motion of the motion sensor itself, wherein the motion sensor is adapted to be attached to a human body and comprises an acceleration sensor generating and outputting a measurement signal responsive to the acceleration of the motion sensor, the motion sensor also comprising holder means for supporting the motion sensor on a human body, a housing containing the acceleration sensor, and fastener means for detachably fastening the housing to the holder means, and (b) musical tone control signal generating means for receiving the measurement signal and generating a musical tone control signal in response thereto; whereby the musical tone control signal is generated in response to acceleration of the motion sensor attachable to the human body to thereby control a manual musical performance.
References Cited (Backward Citations)
US3935669A
Cited
GB2071389A
Cited
US4341140A
Cited
GB2153579A
Cited
US4627324A
Cited
US4635516A
Cited
US4753146A
Cited
US4662260A
Cited
US4776253A
Cited
EP0264782A2
Cited
US4776323A
Cited
US4909117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-12-08 | 1996-06-08 | 1996-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-12-08 | 2000-06-08 | 2000-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-12-08 | 2004-06-08 | 2004-12-08 | $7700.00 | Window Closed / Lapsed |