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| Number | Title | Issue Date |
| 7213323 | Method of forming an electronic pressure sensitive transducer on a printed circuit board The cost and complexity of an electronic pressure sensitive transducer are decreased by constructing such a transducer directly on a printed circuit board containing support electronics. Conductive traces are formed on the printed circuit board to define a contact a... | 05/08/2007 |
| 7129434 | Electric contact device An electrical contact device (X1) includes a first contactor with contact portions (C1, C2) and a second contactor with contact portions (C3, C4). The device (X1) also includes an electrical circuit having a branch path (YA)... | 10/31/2006 |
| 6340961 | Method and apparatus for displaying moving images while correcting false moving image contours When gradation data of a present frame is corrected in combination with gradation data of a preceding frame for each display pixel, the level of correction is controlled according to a predetermined dispersion pattern corresponding to a matrix of pixels o... | 01/22/2002 |
| 5783765 | Keyboard musical instrument equipped with electromagnetic key touch generator for imparting piano key-touch to player A keyboard musical instrument includes an electromagnetic key touch generator for imparting a piano-like key touch to black/white keys, and the electromagnetic key touch generator has leaf spring members respectively held in contact with the upper surface... | 07/21/1998 |
| 5578782 | Musical tone control device for electronic keyboard instrument An musical tone control device, employed by an electronic keyboard instrument, comprises a keyboard frame, a stopper member and a sensor. The keyboard frame is located beneath an arrangement of keys in the keyboard and is provided to support the keys in a... | 11/26/1996 |
| 5495074 | Keyboard unit for electronic musical instrument having a key motion detectors A keyboard unit for an electronic musical instrument is constructed by a plurality of keys, a key frame, a plurality of key guides and a pressure sensor. On the key frame, a plurality of keys are arranged such that each of them can freely rotate about the... | 02/27/1996 |
| 5340941 | Electronic musical instrument of rubbed string simulation type Disclosed is an electronic musical instrument which comprises: manipulator for defining a manipulation region of at least one dimension and for achieving performance manipulation within the manipulation region; position detector for detecting the position... | 08/23/1994 |
| 5166466 | Musical tone control information input manipulator for electronic musical instrument A musical tone control information input manipulator comprises a manipulator body, a slide manipulator, and a pressure sensor. One end of the manipulator body is supported so as to be pivotally turnable and the other end thereof is supported by an elastic... | 11/24/1992 |
| 5099742 | Electronic musical instrument having string bending effect Apparatus for altering the output of an electronic string musical instrum responsive to bending of the string comprises a compressible electrically conductive member which has an electrical resistance which varies with the degree of compression applied a... | 03/31/1992 |
| 5079536 | Pressure transducer for musical instrument control A pressure-to-conductance transducer, which avoids dependency on pressure-sensitive properties of particulate materials which may be difficult to formulate in stable form, utilizes instead the principle of translating applied pressure into variation of ar... | 01/07/1992 |
| 4979423 | Touch response device for electronic musical instrument A touch response device for an electronic musical instrument includes pressure detector for detecting initial-touch and after-touch of a key. The pressure detector means has two or more response stages that have different response characteristics to key p... | 12/25/1990 |
| 4864245 | Modification unit for an amplifier A modification unit for a musical instrument amplifier includes a modification circuit and a connector for connecting the modification circuit to a tube socket in place of one of the tubes in the pre-amp stage of the amplifier. The pre-amp includes at lea... | 09/05/1989 |
| 4649784 | Method and apparatus for sensing activity for a keyboard and the like Apparatus and method for the monitoring of the manipulation of the keys of an instrument comprises monitoring apparatus which takes the form of a pressure sensing device, associated with each key, that can be fabricated in a configuration compatible with ... | 03/17/1987 |
| 4430917 | Hand-held musical instrument and systems including a man-machine interface apparatus A hand-held electronic musical instrument and system has a plurality of resistance elements that have adjacent thereto indentations or notches, or other tactile structures for locating discrete notes. Each resistance element is connected to a circuit for ... | 02/14/1984 |
| 4301337 | Dual lateral switch device A dual switch apparatus has two switches simultaneously actuated in response to a single touch force where at least one of the switches has a pressure responsive variable contact resistance. A first support member has a first and a second conductor dispos... | 11/17/1981 |
| 4257305 | Pressure sensitive controller for electronic musical instruments An electronic musical instrument incorporates one or more pressure sensitive push-button controllers actuable independent of the keys or other note selecting elements of the instrument to vary a corresponding number of musical parameters. The specific con... | 03/24/1981 |
| 4244261 | Electronic keyboard musical instrument A manually operated pressure sensitive button assembly is arranged by the side of the keyboard on the top front panel of the instrument, each button being electrically and operationally coupled to an associated element in the main processing system of mus... | 01/13/1981 |
| 4079651 | Touch response sensor for an electronic musical instrument This invention relates to a touch response sensor for an electronic musical instrument which may control the volume, pitch, tone-color or the like of the musical tones produced by the instrument upon depression of the key responsive to the key depressing ... | 03/21/1978 |
| 4044642 | Touch sensitive polyphonic musical instrument A touch sensitive device is associated with at least one key of an electronic musical instrument such as an electronic organ, includes a layer of a pressure responsive, variable conductance material, and exhibits a switching action when subjected to press... | 08/30/1977 |
| 3965789 | Electronic musical instrument effects control The keyboard type instrument includes circuitry for controlling an envelope generator and a voltage controlled oscillator which in sequence operates a voltage controlled filter, and a voltage controlled amplifier both of which receive control signals from... | 06/29/1976 |
