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Class 84/730 - Piezoelectric


Subclass of Class 84 - Music
Definition: Subject matter wherein a varying mechanically stressed crystal
No. of patents: 106
Last issue date: 11/30/2010


1      
NumberTitleIssue Date
7842879Touch sensitive impact controlled electronic signal transfer device
One embodiment of the Touch sensitive impact controlled signal transfer device invention whereas the invention is used as a musical glove device that sends electrical signals to a sound module when areas of the glove containing piezoelectric discs are tapped or othe...
11/30/2010
7427711Particle based touch interaction for the creation of media streams
Methods and apparatus for manipulating physical objects to produce sounds that are correlated with the feel of the objects being manipulated. Example devices called the PebbleBox, CrumbleBag and ScrubberGlove each use the manipulation of physical objects of arbitrar...
09/23/2008
7394015Pickup device for plucked string instrument and plucked string instrument
A pickup device (11) sandwiched between strings (3) and a top (4) of a body in a plucked string instrument comprises: a saddle (16) transmitting vibrations of the strings (3) to the body; and a bridge (25) fixedly attached o...
07/01/2008
7378589Portable rhythm sensible tool
A sound determination unit previously divides sound into a low sound range for first sound, a middle sound range for second sound, and a high sound range for third sound by its frequency band. When sound information detected by the microphone is inputted to the soun...
05/27/2008
7368654Anti-resonant transducer
The present invention is an device and method for providing an improved transducer for musical instruments. It an object of the present invention to provide a transducer which, because of its design, can be placed on or within a musical instrument quickly and...
05/06/2008
7351148Electronic sequence matching game and method of game play using same
The present invention is directed to an apparatus and a method of game play for an electronic sequence matching game the may include a pair of elongated stick member that may be operatively coupled together by an electrical cord so the game play for the electronic m...
04/01/2008
7339106Electric stringed musical instrument equipped with single vibration sensor provided inside of body
An electric contrabass has a bridge structure on a body in which an inner space is defined, and the body is further formed with a slit under the bridge structure so that the lid of the body vibrates like a cantilever; a vibration sensor is provided inside the body, ...
03/04/2008
7339800Switching power source device of resonance type capable of controlling switching loss and noise
A switching power source device of resonance type is provided which comprises an output voltage detector 18 for detecting output voltage on a load 13 to produce a detection signal; and a control circuit 2 for applying on-off signals Vg1
03/04/2008
7323632Percussion transducer
A ring-shaped percussion transducer for converting a striking impact into a representative electrical pulse triggering signal is suitable for mounting on the center axis of a percussion instrument. In a preferred embodiment, the transducer is formed of a piezo elect...
01/29/2008
7304230Multiple channel metronome
A multiple channel metronome for use by a plurality of musicians generally includes a signal generator for producing electrical signals according to desired timing schemes and a plurality of transducers in communication with the signal generator. Each transducer, wh...
12/04/2007
7301724Transducing head
Determining an error in position of at least two heads coupled to a piezoelectric material, and changing a potential applied to a piezoelectric material to reduce the error in position of the at least two heads. ...
11/27/2007
7297863Electro-acoustically amplified drum mixer
An electro-acoustically amplified drum mixer or sound level adjuster for amplifying a hollow drum shell having at least one open end, a drumhead spaced from the open end of the said drum shell and supported thereon. One or more microphones are supported on, and posi...
11/20/2007
7294777Electronic tone generation system and batons therefor
An electronic tone generation system including a plurality of separate, portable, handheld transmitters, or batons, that are provided as “instruments” to one or more players. Each baton can be activated to send a signal, preferably a wireless signal, to a single...
11/13/2007
7294778Percussion instrument, system, and method with closing position detection
An electronic percussion instrument includes input means, correction information storage means, and musical tone generation means. The input means allows for vibration information, which expresses a vibration of an operator, position information, which expresses a p...
11/13/2007
7285713Stringed musical instrument equipped with sensors sensitive to vibration components and bridge with built-in sensors
An electric acoustic stringed musical instrument is a combination between an acoustic stringed musical instrument and an electric system; while a player is bowing on the strings, the strings not only laterally vibrate but also are repeatedly elongated and shrunk so ...
10/23/2007
7282633Sound augmentation system and method for a drum
A sound augmentation system for a drum comprises a wave generator for producing an electrical signal corresponding to a predetermined sound, an amplifier for amplifying the electrical signal to produce an amplified electrical signal, and a driver for translating the...
10/16/2007
7276657Maximized sound pickup switching apparatus for a string instrument having a plurality of sound pickups
A sound pickup switching system for an electric string instrument which has at least two pickup coils and a multi-position selector switch, includes a switch matrix with a plurality of switches in it connected to the pickup coils. The switch matrix electrically inte...
10/02/2007
7268290Tactile metronome
A tactile metronome for use by a musician generally includes a signal generator for producing an electrical signal according to a desired timing scheme and a tactile transducer in electrical communication with the signal generator. The tactile transducer, which may ...
09/11/2007
7259317Pickup and base structure of a drum head
This invention relates to a pickup and base structure of a drum head, in particular, a pickup applied to a mesh head or a hard drum head having the base thereof in a hollow L-shape, thereby allowing a vertical space to position a terminal base of a signal line and a...
08/21/2007
7254910Footwear with externally activated switch
An article of footwear includes an electrical circuit having a battery, one or more integrated circuits connected to an array of LEDs and to a loudspeaker, and, a number of switches which are operative to activate the integrated circuit(s) in response to motion of t...
08/14/2007
7256342Sound pickup device for percussion instrument
A sound pickup device, which is arranged in proximity to a percussion instrument (e.g., a bass drum), comprises a diaphragm stretched under tension over an opening of a shell having a cylindrical shape, and an electroacoustic transducer arranged inside of the shell....
08/14/2007
7247789Soundhole accessible musical instrument control platform
A soundhole accessible musical instrument control platform mounted inside the body of a musical instrument requires no physical alterations to the instrument, allowing the user convenient and ergonomic access to the control platform through the soundhole while using...
07/24/2007
7214871Transmitter for sound recording of an electric signal from an acoustic drum
A transmitter for recording of an electric signal from an acoustic drum having a vibration-sensitive device for attachment to the drumhead and for acquisition of undulations which has one of the following profiles: sector shape, sector shape with a tip turned toward...
05/08/2007
7199302Transducer and method for forming a transducer
Transducer for converting mechanical stress into electric signals, which transducer is composed of at least one electromechanical sheet (107,108) and is capable of converting mechanical stress into electric signals and in which transducer at least one of the ...
04/03/2007
7196261Electronic percussion instrument for producing sound at intended loudness and electronic percussion system using the same
An electronic drum includes a pad to be beaten with sticks, a circular piezoelectric converter for converting stress to an electric signal and a semi-circular filter element adhered at one surface to the pad and at the other surface to the circular piezoelectric con...
03/27/2007
7186270Foot-operated controller
A practical control device having up to eight independent channels of communication for simultaneously operating a plurality of electromechanical devices or for simultaneously performing a plurality of independent functions on an electromechanical device, such as a ...
03/06/2007
7178929Light and sound producing system
A system for producing sound and light includes a shoe or other article of footwear having multiple sources of light and at least one loudspeaker, and a unit located remotely from the shoe which is operative to transmit an RF signal to a receiver within the shoe cau...
02/20/2007
7179985Hybrid electric/acoustic percussion instrument
A hybrid electric/acoustic percussion instrument and percussion set containing the instrument. The instrument includes a hollow cylindrical shell having a first end and a second end and an inside cylindrical surface. A first substantially rigid plate having an outsi...
02/20/2007
7157640Undersaddle pickup for stringed musical instrument
An undersaddle pickup for a musical instrument. The undersaddle pickup is constructed from a layer of sensor material or sensor element coupled at a first surface to an electrode. A second electrode is created by coupling a second surface of the sensor material or s...
01/02/2007
7156773Electronic apparatus, input device, and input method
A walking sensor is attached to a shoe of the user and cooperates with an input device including a detection section detecting a movement of a user's leg, a signal conversion section converting a detection result of the detection section into a control signal, and a...
01/02/2007
7151216Solid body electric guitar having the capability of producing acoustic guitar sound
The invention is an electric guitar. In detail, the guitar includes a solid body and neck portions. A pressure sensor is mounted at the junction of the body and neck, the pressure sensor having the sensor element in direct contact with the guitar. An electric circui...
12/19/2006
7151214Interactive multimedia apparatus
The apparatus (1) comprises a guitar (3) having strings (42) operable by a user to generate electric signals, a control unit (2), storage means for a simulation backing track in any desired multi-media file format and audio/audio-visual e...
12/19/2006
7138577Stringed musical instrument equipped with pickup embedded in bridge and bridge used therein
An electric acoustic violin is a combination of an acoustic violin and an electric system, and the electric system includes a pickup unit for converting the vibrations of the strings to an electric signal; and a hollow space is formed in the bridge for receiving the...
11/21/2006
7135630Durable percussion pad effective against noise, silent percussion instrument, silent percussion instrument set and electronic percussion system
A drum head is broken down into a head body, which in turn is broken down into a solid portion and an accumulating portion, and a rigid base plate; the solid portion offers a beaten surface to a drummer, and the accumulating portion or an array of pillars and the ba...
11/14/2006
7135637Apparatus and method for detecting performer's motion to interactively control performance of music or the like
Performance interface system includes a motion detector provided for movement with a performer, and a control system for receiving detection data transmitted from the motion detector and controlling a performance of a tone in response to the received detection data....
11/14/2006
7132597Transducer for converting between mechanical vibration and electrical signal
Transducer (100, 200, 300, 500, 600) for converting mechanical vibrations to an electrical signal and/or for converting an electrical signal to mechanical vibration. Damping liquid (122, 222, 522, 622) damps the relative vibration of transducer compone...
11/07/2006
7114822Article of footwear with remote sound activating unit
An article of footwear such as a shoe having an array of light sources and at least one loudspeaker is provided in combination with a separate device having a recording unit which records sound and a transmitter which transmits an RF signal representative of the sou...
10/03/2006
7096607Clothing with externally activated switch
An article of clothing includes an electrical circuit having a battery, one or more integrated circuits connected to a signal device such as an array of LEDs and/or a loudspeaker, and, at least one switch which is operative to activate the integrated circuit(s) in r...
08/29/2006
7092539MEMS based acoustic array
Embodiments of the present invention described and shown in the specification and drawings include a combination responsive to an acoustic wave that can be utilized as a dynamic pressure sensor. In one embodiment of the present invention, the combination has a subst...
08/15/2006
7084341Sound pickup system for acoustic string instruments
A sound pickup system for string instruments includes a chinrest and/or tailpiece connected to a first audio interface device—e.g. a piezoelectric transducer-on the instrument's bridge. A second audio interface device—e.g., a microphone-may be attached to and ex...
08/01/2006
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