Claims 1 to 28 set forth a mechanical auxiliary pedal system, in particular, an auxiliary piano pedal system.  Claims 29 to 34 involve an electric piano. Claims 35 to 39 involve various electric devices, in particular, a gaming controller.

The invention is characterized in that a motion sensor, which is attached to a side frame of eyeglasses, is used to detect a head movement of a user to generate a detection signal; the detection signal is processed using (1) a head tilt angle offset value and (2) a multiplier selected in accordance with the user’s preference to generate a device-controlling signal.  This device-controlling signal is used to realize efficient control of the device by almost everybody including the challenged with leg disabilities and kids.

Here are the actual claims.

[CLAIMS]

[Claim 1] An auxiliary pedal system comprising:
a detector configured to detect a motion of a user to generate a detection signal;
a processor configured to process the detection signal to generate an actuator-controlling signal; and
an actuator configured to control a pedal in accordance with the actuator-controlling signal,
wherein the motion involves a head movement;the head movement has an offset range within which the actuator is not actuated; and
the actuator-controlling signal is changeable in accordance with the user’s preference. 

In order to keep the detector horizontally, the detector is attached to a side frame of the eyeglasses and a case for the detector has a groove or slit fit for the side frame.

[Claim 2] The auxiliary pedal system according to claim 1, wherein the detector is attached to eyeglasses.

[Claim 3] The auxiliary pedal system according to claim 2, wherein the detector is attached to a side frame of the eyeglasses and a case for the detector has a groove or slit fit for the side frame. 

The head tilt angle offset value is limited to 10, 7.5, 5, and 3 degrees or less, which were actually demonstrated to be effective in the Auxiliary Pedal Effect Evaluation (APEE) study.

[Claim 4] The auxiliary pedal system according to claim 1, wherein the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and
an upper limit of the offset range is 10 degrees or less.

[Claim 5] The auxiliary pedal system according to claim 1, wherein the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and
an upper limit of the offset range is 7.5 degrees or less.

[Claim 6] The auxiliary pedal system according to claim 1, wherein the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and
an upper limit of the offset range is 5 degrees or less.

[Claim 7] The auxiliary pedal system according to claim 1, wherein the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and
an upper limit of the offset range is 3 degrees or less.

[Claim 8] The auxiliary pedal system according to claim 2, wherein the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and
an upper limit of the offset range is 10 degrees or less.

[Claim 9] The auxiliary pedal system according to claim 2, wherein the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and
an upper limit of the offset range is 7.5 degrees or less.

[Claim 10] The auxiliary pedal system according to claim 2, wherein the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and
an upper limit of the offset range is 5 degrees or less.

[Claim 11 ]The auxiliary pedal system according to claim 2, wherein the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and
an upper limit of the offset range is 3 degrees or less. 

The actuator-controlling signal is modified by multiplying by a multiplier. The multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully depress the pedal by the actuator.

[Claim 12] The auxiliary pedal system according to claim 4, wherein the actuator-controlling signal is modified by multiplying, by a multiplier, a value obtained by subtracting the upper limit of the offset range from the head tilt angle; and
the multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully depress the pedal by the actuator.

[Claim 13] The auxiliary pedal system according to claim 7, wherein the actuator-controlling signal is modified by multiplying, by a multiplier, a value obtained by subtracting the upper limit of the offset range from the head tilt angle; and
the multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully depress the pedal by the actuator.

[Claim 14] The auxiliary pedal system according to claim 8, wherein the actuator-controlling signal is modified by multiplying, by a multiplier, a value obtained by subtracting the upper limit of the offset range from the head tilt angle; and
the multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully depress the pedal by the actuator.

[Claim 15] The auxiliary pedal system according to claim 11, wherein the actuator-controlling signal is modified by multiplying, by a multiplier, a value obtained by subtracting the upper limit of the offset range from the head tilt angle; and
the multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully depress the pedal by the actuator. 

The invention is limited to a piano pedal.

[Claim 16] The auxiliary pedal system according to claim 12, wherein the pedal is a piano pedal.

[Claim 17] The auxiliary pedal system according to claim 13, wherein the pedal is a piano pedal.

[Claim 18] The auxiliary pedal system according to claim 14, wherein the pedal is a piano pedal.

[Claim 19] The auxiliary pedal system according to claim 15, wherein the pedal is a piano pedal. 

TTo drive the actuator (linear stepper motor), a free pedal play is offset.

[Claim 20] The auxiliary pedal system according to claim 16, where a free pedal play is offset such that the pedal responds to the actuator-controlling signal and moves without a delay.

[Claim 21] The auxiliary pedal system according to claim 17, where a free pedal play is offset such that the pedal responds to the actuator-controlling signal and moves without a delay.

[Claim 22] The auxiliary pedal system according to claim 18, where a free pedal play is offset such that the pedal responds to the actuator-controlling signal and moves without a delay.

[Claim 23] The auxiliary pedal system according to claim 19, where a free pedal play is offset such that the pedal responds to the actuator-controlling signal and moves without a delay. 

The system includes a portable housing having the actuator and a detachable weigh. The detachable weight resists reaction force of the actuator so as not to move the housing.  Also, the housing has a sound-proof chamber including the actuator.

[Claim 24 ] The auxiliary pedal system according to claim 20, further comprising
a portable housing having the actuator and a detachable weight,
wherein the detachable weight resists reaction force of the actuator so as not to move the housing; and
the housing has a sound-proof chamber including the actuator.

[Claim 25] The auxiliary pedal system according to claim 21, further comprising
a portable housing having the actuator and a detachable weight,
wherein the detachable weight resists reaction force of the actuator so as not to move the housing; and
the housing has a sound-proof chamber including the actuator.

[Claim 26]The auxiliary pedal system according to claim 22, further comprising
a portable housing having the actuator and a detachable weight,
wherein the detachable weight resists reaction force of the actuator so as not to move the housing; and
the housing has a sound-proof chamber including the actuator.

[Claim 27] The auxiliary pedal system according to claim 23, further comprising
a portable housing having the actuator and a detachable weight,
wherein the detachable weight resists reaction force of the actuator so as not to move the housing; and
the housing has a sound-proof chamber including the actuator. 

The invention is set forth as a method claim.

[Claim 28] A method for operating a pedal, comprising the steps of:
detecting a motion of a user to generate a detection signal;
processing the detection signal to generate an actuator-controlling signal; and
controlling a pedal in accordance with the actuator-controlling signal,
wherein the motion involves a head movement;
the head movement has an offset range within which the actuator is not actuated; and
the actuator-controlling signal is changeable in accordance with the user’s preference.   

The following claims involve an electric piano.

[Claim 29] An auxiliary pedal system comprising:
a detector configured to detect a motion of a user to generate a detection signal; and
a controller configured to process the detection signal to generate and transmit an electric device-controlling command signal that replaces a pedal-mediated command signal,
wherein the motion involves a head movement;
the head movement has an offset range within which the electric device does not respond to the head movement; and
the electric device-controlling command signal is changeable in accordance with the user’s preference.

[Claim 30 ]The auxiliary pedal system according to claim 29, wherein the detector is attached to eyeglasses and the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and an upper limit of the offset range is 10 degrees or less;
the electric device-controlling command signal is modified by multiplying, by a multiplier, a value obtained by subtracting the upper limit of the offset range from the head tilt angle; and
the multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully operate the electric device.

[Claim 31] The auxiliary pedal system according to claim 29, wherein the detector is attached to eyeglasses and the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and an upper limit of the offset range is 3 degrees or less;
the electric device-controlling command signal is modified by multiplying, by a multiplier, a value obtained by subtracting the upper limit of the offset range from the head tilt angle; and
the multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully operate the electric device.

[Claim 32] The auxiliary pedal system according to claim 30, wherein the electric device is an electric piano.

[Claim 33] The auxiliary pedal system according to claim 31, wherein the electric device is an electric piano.

[Claim 34] A method for operating an electric device, comprising the steps of:
detecting a motion of a user to generate a detection signal; and
processing the detection signal to generate and transmit an electric device-controlling command signal that replaces a pedal-mediated command signal,
wherein the motion involves a head movement;the head movement has an offset range within which the electric device does not respond to the head movement; and
the electric device-controlling command signal is changeable in accordance with the user’s preference. 

The following claims involve various electric devices such as gaming controllers.

[Claim 35] A device controller comprising:
a detector configured to detect a motion of a user to generate a detection signal; and
a controller configured to process the detection signal to generate and transmit a device-controlling command signal,
wherein the motion involves a head movement;
the head movement has an offset range within which the device does not respond to the head movement; and
the device-controlling command signal is changeable in accordance with the user’s preference.

[Claim 36] The device controller according to claim 35, wherein the detector is attached to eyeglasses and the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and an upper limit of the offset range is 10 degrees or less;the device-controlling command signal is modified by multiplying, by a multiplier, a value obtained by subtracting the upper limit of the offset range from the head tilt angle; and
the multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully operate the device.

[Claim 37] The device controller according to claim 35, wherein the detector is attached to eyeglasses and the head movement involves a head tilt angle;
the offset range of the head tilt angle is defined by the user and an upper limit of the offset range is 3 degrees or less;the device-controlling command signal is modified by multiplying, by a multiplier, a value obtained by subtracting the upper limit of the offset range from the head tilt angle; and
the multiplier is selected by the user and from 10 to 50, so that 2 to 10 degrees of the head tilt angle from the upper limit of the offset range are used to fully operate the device.

[Claim 38] The device controller according to claim 36, wherein the device controller is a gaming controller.

[Claim 39] The device controller according to claim 37, wherein the device controller is a gaming controller.