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Class 84/733 - Capacitive


Subclass of Class 84 - Music
Definition: Subject matter wherein a varying capacitance produces a
No. of patents: 35
Last issue date: 04/07/2009


NumberTitleIssue Date
7514626Method and apparatus for electrostatic pickup for stringed musical instruments
This invention relates to the method and apparatus for electrostatic pickup of sound from stringed musical instruments to addresses the unique requirements of acoustic stringed musical instruments with a portable, detachable, safe-to-handle, easy-to-use, low-noise, ...
04/07/2009
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
7316167Method and apparatus for protection of contour sensing devices
A sheet film protective covering for different types of contour sensing devices is described. In a preferred embodiment, this covering is a mylar sheet film that is coated with a layer of a conductive material. The bottom surface of the mylar film is also preferably...
01/08/2008
7276917Printed capacitive sensor
The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor includes a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer including a detector and trace, a...
10/02/2007
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
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
7178405Pressure sensor capable of changing resolution in accordance with amount of pressing force
A pressure sensor includes a surface sheet whose front side is an operating surface and a substrate sheet that includes a plurality of switches and that is disposed below the back side of the surface sheet at a predetermined space therebetween. When the operating su...
02/20/2007
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
7129405Method and apparatus for composing and performing music
The present invention is method and apparatus for music performance and composition. More specifically, the present invention is an interactive music apparatus comprising actuating a signal that is transmitted to a processing computer that transmits output signals t...
10/31/2006
7064561Resistance type sensor
In a resistance type sensor of the present invention, a sensor unit having variable contact resistances and a wakeup switch formed in two layers is produced by folding a FPC forming thereon pressure-sensitive resistive inks, a displacement electrode connected to gro...
06/20/2006
7012187Proximity detection system and method
A system electronically detects and registers contact, especially in contact sport embodiments. An example contacting instrument includes a switch, a tone generator and a conductive mesh. An example detecting instrument includes a conductive mesh and a tone decoder....
03/14/2006
6980113Wireless scoreboard display system
A wireless scoreboard display system, including at least two scoreboard displays, two controllers, a spread spectrum radio receiver in each scoreboard display, and a spread spectrum radio transmitter in each controller. Software controls the selection of a transmitt...
12/27/2005
6929268Audio mixing console flight case
A flight case (24) for shipping and supporting an audio mixing console (26), having a main platform frame (28) that includes a pair of collapsible legs (30) each with reversible swivel casters (36) and a plurality of upright socket...
08/16/2005
6925880Apparatus and method for measuring the acoustic properties of a membranophone
Apparatus and method of measuring acoustic properties of a drumhead of a drum are disclosed. The acoustic properties are measured by exciting the drumhead with a source of energy and detecting the acoustic energy emitted by the drumhead. The acoustic energy emitted ...
08/09/2005
6925851Method and system for detecting and displaying the impact of a blow
A system for detecting and displaying force data relating to impacts received on an item of athletic equipment includes two or more items of athletic equipment each having a force sensor, logic and a wireless transmitter therein, a receiver adapted to receiver signa...
08/09/2005
6916979Electromechanical transducer and method for manufacturing an electromechanical transducer
Electromechanical transducer element for converting mechanical stress into electrical signals, said transducer comprising: at least one transducer elements (119,120), said element having first and second surfaces; at least one signal electrode layer (209
07/12/2005
6878870Contact detection system and method
A system electronically detects and registers contact, especially in contact sport embodiments. An example contacting instrument includes a switch, a tone generator and a conductive mesh. An example detecting instrument includes a conductive mesh and a tone decoder....
04/12/2005
6852402Dielectric cellular electret film and procedure for its manufacture
Film of dielectric material, which film contains gas bubbles preferably of a flat shape. To achieve improved electrical properties, the film is given a large internal unipolar charge, which is created by charging the film by means of an electric field intensive enou...
02/08/2005
6700051Contact detection system and method
A system electronically detects and registers contact, especially in contact sport embodiments. An example contacting instrument includes a switch, a tone generator and a conductive mesh. An example detecting instrument includes a conductive mesh and a to...
03/02/2004
6689948Transducer and method for forming a transducer
Transducer for converting mechanical stress into electric signals, which transducer is composed of at least one electromechanical sheet and is capable of converting mechanical stress into electric signals and in which transducer at least one of the electr...
02/10/2004
6242683Stringed musical instrument transducer and method for forming a stringed musical instrument transducer
Stringed musical instrument transducer for converting string vibrations into electric signals, which transducer is composed of at least one electromechanical sheet (107,108) and is capable of converting string and instruments vibrations into electric sign...
06/05/2001
6222522Baton and X, Y, Z, position sensor
A position sensor is used in conjunction with one or more batons, each baton having a transmitter that transmits a distinct radio frequency signal at a position in space. The position sensor determines the current position of each baton transmitter in ter...
04/24/2001
6150600Inductive location sensor system and electronic percussion system
A system and a method for sensing the location of a remote object relative to a base object involve integrating inductive loop antennas with variable loop density into the base object and utilizing the antennas to transmit energy to and receive energy fro...
11/21/2000
6111186Signal processing circuit for string instruments
A signal processing circuit, for each string of a musical instrument which string is individually tuned to a frequency, includes a transducer adjacent to the string and an equalizer connected to an output circuit. To emulate an acoustic instrument, the eq...
08/29/2000
6078006Stringed musical instrument transducer and procedure for its fabrication
Stringed musical instrument transducer for converting vibrations into electric signals. The transducer is composed of at least one transducer element (118) at least one dielectric film (107, 108), on at least one side of the transducer element, at least o...
06/20/2000
5977956Variable voltage controllers
A signal control apparatus includes an electrically resistive strip (4) allowing close proximity of a finger. A signal can be coupled into the strip, and a signal output (V1) can be detected at one end of the strip. The structure (1, 3) for coupling a sig...
11/02/1999
5922984Electrical simulator of a plectrum instrument
An electrical simulator of a plectrum instrument, including: a microprocessor (3) which is suitable to convert a chord set up on a keyboard (13), received by means of a standardized signal, into a chord which is identical but is, in terms of fingering and numb...
07/13/1999
5731535Proximity sensitive control circuit for electrical musical instrument
A control circuit for use with a guitar or other musical instrument having an electromechanical pickup for converting natural vibrations of the instrument into electrical signals amplified or otherwise conditioned by a sound system to produce a derivative...
03/24/1998
5247261Method and apparatus for electromagnetic non-contact position measurement with respect to one or more axes
A preferred embodiment of the invention is an apparatus for measuring the position of a point with respect to at least one axis. The apparatus includes a reference electrode located at the reference point and at least one axial electrode fixed along the a...
09/21/1993
4995293Acoustic instrument with internally positioned microphone means for receiving acoustical vibrations
An improved acoustic instrument is disclosed. The improvement includes a condenser microphone carried within the body of the acoustic instrument so as to primarily detect acoustical vibrations of the interior air column in contradiction to the mechanical ...
02/26/1991
4980519Three dimensional baton and gesture sensor
An electronic drum has two or more batons, each baton having a transmitter which transmits a distinct radio frequency signal at a position in space. The electronic drum determines the current X, Y, and Z coordinates of each baton transmitter. To determine...
12/25/1990
4852443Capacitive pressure-sensing method and apparatus
A novel capacitive pressure-sensitive sensing technique and apparatus wherein an elastomeric conductive electrode carrying a two-dimensional array of projections is pressure-deformed against a fixed coextensive cooperative electrode to generate signals, s...
08/01/1989
4545278Apparatus and method for adjusting the characteristic sounds of electric guitars, and for controlling tones
To adjust the characteristic sounds produced by electric guitars and other musical instruments, the present apparatus and method provide for varying the resistive loading on the electromagnetic pickups of such instruments. This changes the shape of the pe...
10/08/1985
4495641Microphone pickup for musical instruments
An audio pickup for musical instruments employing a condenser-type microphone mounted on a suction cup which is pressed against the sounding board or the like of the instrument....
01/22/1985
4230013Electro-acoustic transducer
An electro-acoustic transducer for a musical instrument, for producing electrical signals indicative of sound produced by playing of the instrument. The transducer comprises a housing of plastic material containing a capacitor microphone arrangement which...
10/28/1980
 
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