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7629871 |
Resilient material variable resistor
A variable resistance device comprises a resistive member having a resistive resilient material. A first conductor is configured to be electrically coupled with the resistive member at a first...
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7440290 |
Control systems
The present invention provides systems, devices and methods for controlling a desired output of an output device. These systems, devices and methods include connecting an electrical resistance...
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5274710 |
Pedal volume control for electric instruments
A variable impedance device which is connected between the preamplifier of a microphone or electric instrument and a public address system for controlling the signal volume of a musical...
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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...
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5164697 |
Input keyboard for an electronic appliance in entertainment electronics
An input keyboard (1) contains a switching device (3) for pushbuttons (22) wherein the contact linings (11.1, 11.2) on a printed circuit board (10) are bridged by a countercontact (16) operated by...
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5115705 |
Modular electronic keyboard with improved signal generation
An improved percussive action electronic keyboard for play as a musical instrument of the type having pivoted playing keys having camming surfaces distal from finger contact surfaces thereof,...
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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...
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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...
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4855707 |
Adjustable foot activated control apparatus for potentiometer
An adjustable control apparatus for a potentiometer is provided. The control apparatus comprises a geared sheath which is engageable with the potentiometer of an electronic apparatus. The geared...
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4794838 |
Constantly changing polyphonic pitch controller
A real-time polyphonic pitch controller and process for controlling notes or tones emanating from signal synthesizers such as used in the performance of music. The controller comprises a body with...
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4615252 |
Touch control apparatus for electronic keyboard instrument
A touch control apparatus for an electronic keyboard instrument, comprises a sensor having: an elongated insulating sheet having a set of conductive pattern films on a surface thereof, the...
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4494105 |
Touch-controlled circuit apparatus for voltage selection
A touch-controlled apparatus of the type in which two parts of a circuit component are selectively brought into contact, which includes plural circuit components. In one embodiment the two...
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4489302 |
Electronic pressure sensitive force transducer
A bounceless switch apparatus having a junction resistance which varies inversely with the pressure applied normally thereto which includes a first conductor member, a pressure-sensitive layer...
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4366463 |
Keyboard
A data entry device durable enough to withstand the rigors of industrial type usage in which the electronic components are isolated from the external environment is described. The device comprises...
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4315238 |
Bounceless switch apparatus
A pressure responsive, variable resistance, analog switch has first and second conductors interleaved in spaced-apart relationship and disposed on a base member. An insulative spacer ring is...
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4314227 |
Electronic pressure sensitive transducer apparatus
A pressure responsive, variable resistance, analog switch has first and second conductors interleaved in spaced-apart relationship and disposed on a base member. An insulative spacer ring is...
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4305321 |
Electrical control devices
A potentiometer comprises a support member having first and second support regions and an intermediate region located therebetween, a resistive member supported on the support member at the first...
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4279188 |
Acoustic coupling free electric drum
Faithful replication of a drummer's hits on an electric drum, free of cogeneration of spurious signals by acoustic coupling of the drum pick-up with extraneous energy sources such as nearby musical...
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4276538 |
Touch switch keyboard apparatus
A multiple touch switch apparatus has at least one multiple segment conductor ply on the top surface of a support ply. The segments are electrically insulated from each other by their lateral...
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4268815 |
Multi-function touch switch apparatus
A multi-function touch switch apparatus has a first semiconductor composition layer disposed on top of a first conductor layer which is affixed to a first base member. A second semiconductor...
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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...
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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...
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4235141 |
Electronic apparatus
An apertured insulating strip permits closing a circuit only at contact points defined by the apertures between a low resistance conductor and a high resistance conductor in an electronic circuit...
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4203088 |
Pressure-sensitive multiple resistor elements
A pressure sensitive multiple resistor element is proposed whereby two or more variations of resistance can be obtained simultaneously by applying a single compressive force. It comprises an...
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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...
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3997863 |
Helically wound pitch-determining element for electronic musical instrument
A control apparatus for determining the pitch of the sound produced by an electronic music synthesizer incorporates a conductive ribbon having a manually adjustable contact with a second conductive...
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3968467 |
Touch controlled voltage-divider device
A voltage divider device capable of providing any voltage in a preselected range of voltages, which voltage may be set by a touch of the finger is disclosed. The device includes a control element...
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3927593 |
After-control signal detecting sensor for keyboard of electronic musical instrument
An after-control signal detecting sensor suitable for keyboard and particularly for pedal keyboard of electronic musical instrument. This sensor is connected to electric circuitry and comprises a...
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3699492 |
VARIABLE RESISTANCE DEVICE FOR A PORTAMENTO PERFORMANCE ON AN ELECTRONIC MUSICAL INSTRUMENT
A variable resistance device for a portamento performance on an electronic musical instrument wherein a conductive coiled spring is held by a supporting member and an elongate resistor is so held...
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3633145 |
MULTIPLE SWITCH FOR ELECTRONIC MUSICAL INSTRUMENTS
A multiple switch for an electronic musical instrument comprising a multipolar magnet which has a plurality of magnetic poles arranged alternately opposite to each other, and plural pieces of...
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3626350 |
VARIABLE RESISTOR DEVICE FOR ELECTRONIC MUSICAL INSTRUMENTS CAPABLE OF PLAYING MONOPHONIC, CHORD AND PORTAMENTO PERFORMANCES WITH RESILIENT CONTACT STRIPS
A variable resistor utilized as a keyboard of an electronic musical instrument is comprised of an elongated rectangular base member, a plurality of strip-shaped resistor bodies formed on one...
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3624583 |
PLAYING DEVICES FOR ELECTRONIC MUSICAL INSTRUMENTS
A fingerboard-type playing device for an electronic musical instrument comprises an elongated resistor, a plurality of conductor taps spaced apart from each other and contiguously aligned in a row...
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3624584 |
VARIABLE RESISTANCE DEVICE FOR AN ELECTRONIC MUSICAL INSTRUMENT
A variable resistance device adapted for use in a portamento performance combined with an electronic musical instrument comprises a narrow base made of electrical insulating material, an elongated...
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3524375 |
SIMULATED STRINGED ELECTRONIC MUSICAL INSTRUMENT HAVING GRADUAL SWITCH FOR ATTACK,DECAY AND VOLUME CONTROL
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3463867 |
ELECTRONIC ORGAN KEYING SYSTEM
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3304491 |
Musical instrument switch device
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3206701 |
Variable resistance key switch
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3160845 |
Tonality controller for electronic organ
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3042888 |
Position responsive potential divider
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3041568 |
Renewable switch construction
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2959693 |
Key switching system for electrical musical instruments
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2931877 |
Electrical contact device
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