Matches 1 - 42 out of 42
Match Document Document Title
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
3524375 SIMULATED STRINGED ELECTRONIC MUSICAL INSTRUMENT HAVING GRADUAL SWITCH FOR ATTACK,DECAY AND VOLUME CONTROL  
3463867 ELECTRONIC ORGAN KEYING SYSTEM  
3304491 Musical instrument switch device  
3206701 Variable resistance key switch  
3160845 Tonality controller for electronic organ  
3042888 Position responsive potential divider  
3041568 Renewable switch construction  
2959693 Key switching system for electrical musical instruments  
2931877 Electrical contact device  
Matches 1 - 42 out of 42