System and method for driving actuators in a reproducing piano

A method for driving an actuator in an instrument, comprising:

• providing a finite state machine to control a plurality of actuators;
• determining a plurality of vectors based on an input signal;
• for each vector in the plurality of vectors, applying a drive to an actuator in response to the state of the finite state machine becoming identical to a predetermined state;
• and
• withdrawing the drive from the actuator in response to the state of the finite state machine becoming identical to the vector.

A method for driving an actuator in an instrument, comprising:

• providing a finite state machine to control a plurality of actuators;
• determining a plurality of vectors based on an input signal;
• for each vector in the plurality of vectors, applying a drive to an actuator in response to the state of the finite state machine becoming identical to the vector;
• and
• withdrawing the drive from the actuator in response to the state of the finite state machine becoming identical to a predetermined state.

A system for driving an actuator in an instrument, comprising:

• a plurality of actuators;
• and
• a finite state machine to control the plurality of actuators;
• wherein a plurality of vector pairs are determined based on an input signal, each vector pair comprising a first vector and a second vector,
• wherein, for each vector pair, a drive is applied to an actuator in response to the state of the finite state machine becoming identical to the first vector, and
• wherein the drive from the actuator is withdrawn in response to the state of the finite state machine becoming identical to the second vector.

A system for driving an actuator in an instrument, comprising:

• a finite state machine for controlling a plurality of actuators;
• vector generating means for determining a plurality of vector pairs based on an input signal, each vector pair comprising a first vector and a second vector;
• and
• driving means for applying a drive to an actuator in response to the state of the finite state machine becoming identical to the first vector, and for withdrawing the drive from the actuator in response to the state of the finite state machine becoming identical to the second vector.

A method for providing a signal to an actuator in an instrument, comprising:

• receiving a supply voltage;
• controlling the period of a finite state machine such that the period increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• applying a periodic signal to the actuator;
• wherein the amplitude of the signal increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• wherein the period of the signal is the period of the finite state machine.

A system for providing a signal to an actuator in an instrument, comprising:

• means for receiving a supply voltage;
• means for controlling the period of a finite state machine such that the period increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• means for applying a periodic signal to the actuator;
• wherein the amplitude of the signal increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• wherein the period of the signal is the period of the finite state machine.

A method for providing a signal to an actuator in an instrument, comprising:

• receiving a supply voltage;
• measuring the supply voltage;
• and
• applying a periodic signal to the actuator;
• wherein the amplitude of the signal increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• wherein the period of the signal increases in response to an increase in the supply voltage measurement and decreases in response to a decrease in the supply voltage measurement.

A system for providing a signal to an actuator in an instrument, comprising:

• means for receiving a supply voltage;
• means for measuring the supply voltage;
• and
• means for applying a periodic signal to the actuator;
• wherein the amplitude of the signal increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• wherein the period of the signal increases in response to an increase in the supply voltage measurement and decreases in response to a decrease in the supply voltage measurement.

An actuator for driving sound reproduction in an instrument, the actuator being driven according to a method comprising:

• receiving a supply voltage;
• controlling the period of a finite state machine such that the period increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• generating a periodic signal to be applied to the actuator;
• wherein the amplitude of the signal increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• wherein the period of the signal is the period of the finite state machine.

An actuator for driving sound reproduction in an instrument, the actuator being driven according to a method comprising:

• receiving a supply voltage;
• measuring the supply voltage;
• and
• generating a periodic signal to be applied to the actuator;
• wherein the amplitude of the signal increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• and
• wherein the period of the signal increases in response to an increase in the supply voltage measurement and decreases in response to a decrease in the supply voltage measurement.

A system for providing a signal to an actuator in an instrument, comprising:

• control logic;
• and
• a finite state machine;
• wherein the control logic receives a supply voltage;
• wherein the control logic controls the period of the finite state machine such that the period increases in response to an increase in the supply voltage and decreases in response to a decrease in the supply voltage;
• wherein the control logic applies a periodic signal to an actuator, the amplitude of the signal increasing in response to an increase in the supply voltage and decreasing in response to a decrease in the supply voltage, and the period of the signal being the period of the finite state machine.

A system for providing a signal to an actuator in an instrument, comprising:

• control logic;
• wherein the control logic receives a supply voltage;
• wherein the control logic measures the supply voltage;
• and
• wherein the control logic applies a periodic signal to an actuator, the amplitude of the signal increasing in response to an increase in the supply voltage and decreasing in response to a decrease in the supply voltage, and the period of the signal increasing in response to an increase in the supply voltage measurement and decreasing in response to a decrease in the supply voltage measurement.