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1. (WO2019049131) DEVICES AND METHODS FOR AUTOMATIC ENGAGEMENT OF A MECHANICAL WAH EFFECT-PEDAL
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WHAT IS CLAIMED IS:

1. A pedal-controlled ground effect system (100, 200, 300) having a common electric music instrument (20) and a common mechanical effect-pedal (40), the effect system is utilized for automated engagement/bypassing control of the common effect-pedal, the system comprising;

a) a common electrical music system (10), having the common electric music instrument configured to generate a sound signal, a common sound amplifier (30) and the common effect-pedal (40), wherein said sound signal is configured to flow in an electrical path from the common electric music instrument to the common sound amplifier, and wherein the common effect-pedal includes:

i. an ON/OFF switch (46), configured to allow a user to switch the common effect-pedal between an "activated state" and a "deactivated state", including while playing the common electric music instalment; and

ii, a moving-member (44), configured to affect said sound signal, when said moving-member is pivotally moved (41),

wherein when said ON/OFF switch is switched ON, the common effect-pedal is in said activated state and is engaged to affect said sound signal arriving from the common electric music instrument by said pivotal motion (41) of said moving-member, and when said ON/OFF switch is switched OFF, the common effect-pedal is in said deactivated state and is disengaged from the common electric music instrument and thereby, said sound signal bypasses the common effect-pedal; and

b) an effect-pedal-switching device (1 0, 210, 310) having a processing unit ( 12, 212, 312) and a relay (114, 214, 314),

wherein when said effect-pedal-switching device is configured to determine, by said processing unit, if the common effect-pedal is in said activated state or in said deactivated state;

wherein upon determining that the common effect-pedal is in said deactivated state, said processing unit sets said relay (114) to route said sound signal from the common electric music instrument to the amplifier, thereby bypassing the common effect-pedal, and bringing the common effect-pedal -switching device to a "bypassed state",

wherein upon determining that the common effect-pedal is in said activated state, said processing unit is further configured to detect pivotal changes of said moving-member, and wherein upon detecting pivotal motion (41 ) of said moving-member (44), said processing unit sets said relay ( 1 14) to route said sound signal from the common electric music instrument to the common effect-pedal and then to the amplifier, bringing said effect-pedal-switching device to an "engaged state".

2. The pedal-controlled ground effect system of claim 1 , wherein the common electric music instrument is an electric guitar, an electronic keyboard, an electric piano or an electric bass.

3. The pedal-controlled ground effect system of claim 1, wherein said effect-pedal-switching device is a DSP-based effect-pedal-switching device, having a processing unit that is a DSP (Digital Signal Processing) element,

wherein said DSP-based effect-pedal -switching device is configured to sample said sound signal at selected locations on said electrical path of said sound signal from the common electric music instrument to the sound amplifier;

wherein said DSP-based effect-pedal-switching device is further configured to analyze said sampled signals, to thereby determine if the common effect-pedal is in said activated state or in said deactivated state;

wherein said DSP -based effect-pedal-switching device is configured to sample said sound signal at selected locations on said electrical path of said sound signal from the common electric music instrument to the sound amplifier, and analyze said sampled signals to thereby detect pivotal changes of said moving-member; and

wherein upon detecting pivotal motion of said moving-member, said DSP element sets said relay to route said sound signal from the common electric music instrument to the common effect-pedal and then to the amplifier, bringing said DSP-based effect-pedal -switching device to an "engaged state".

4. The pedal-controlled ground effect system of claim 3, wherein a first sampling pair of said sound signal is performed at the entrance (A) to the common effect-pedal and at the exit (B) of the common effect-pedal and occurs in a pre-usage calibration step, wherein said DSP-based effect-pedal-switching device (1 10, 210, 310) is configured to compare and analyze said first sampling pair, to thereby determine if the common effect-pedal is in said "engage state" or in said "bypass state".

5. The pedal-controlled ground effect system of claim 3, wherein a second sampling pair of said sound signal is performed at the exit (B) of the common effect-pedal and occurs in a sampling time (/-I) and at a time ( ), wherein said DSP-based device (110, 210, 310) is configured to compare and analyze said second sampling pair, to thereby determine if said moving-member (44) of the common -pedal has moved,

6. The pedal-controlled ground effect system of claim 5, wherein said sampling of said sound signal is performed at the exit (B) of the common effect-pedal is performed using an envelope filter detector.

7. The pedal-controlled ground effect system of claim 1, wherein the common effect-pedal further includes a preset cocked-wah range, and wherein upon determining that the common effect-pedal is in an activated state and that said has not moved, said effect-pedal-switching device (1 10, 210, 310) is configured to determine if that said moving-member is within said cocked-wah range, said processing unit sets said relay (114, 214, 314) to route said sound signal from the common electric music instrument to the common effect-pedal and then to the amplifier, bringing said effect-pedal-switching device to an "engaged state".

8. The pedal -controlled ground effect system of claim 7, wherein said determining that said moving-member is within said cocked-wah range, is performed base on signal received from a sensor, such as a two-parts sensor (348).

9. The pedal-controlled ground effect system of claim 1, wherein said detecting of pivotal changes of said moving-member (44) is enhanced by a signal received from a step-on sensor (248) that is activated when a foot of a user is positioned on said moving-member.

10. The pedal-controlled ground effect system of claim 8, wherein said step-on sensor is a detachable sensor.

11. The pedal-controlled ground effect system of claim 8, wherein said step-on sensor is an optical sensor, a proximity sensor, a movement sensor such as an acceleroroeter sensor, a contact sensor or a pressure sensor.

12. The pedal-controlled ground effect sy stem of claim 1, wherein the common effect-pedal (40) has an ON-OFF-imitating sensor (346) operatively attached thereto, wherein said ON-OFF-imitating sensor is configured to transmit a signal to the coupled sensor based effect-pedal-switching device, indicating if said ON/OFF switch is set to either ON or OFF.

13. The pedal-controlled ground effect sy tem of claim 1 , wherein a sensor based effect-pedal-switching device (210, 310) may include a power port configured to supply the power of the common effect-pedal, wherein said processing unit i s configured to check the voltage and/or electric current at said power port, to thereby determine if said ON/OFF switch is set to either ON or OFF.

14. A pedal-controlled ground effect method (400) having a common electric music instrument (20) and a common mechanical effect-pedal (40), the effect method is utilized for automated engagement/bypassing control of the common effect-pedal (40), the method comprising the steps of:

a) providing a pedal-controlled ground effect system (100, 200, 300) as in claim 1 ; b) activating the common effect-pedal 40;

c) determining if said moving-member of the common effect-pedal has moved, and upon determining that said moving-member of the common effect-pedal has moved, setting said effect-pedal -switching device to "engaged" state and repeating step (c); and

d) setting said effect-pedal -switching device to "bypassed" state and go to step (c).

15. The method of claim 14, wherein the common effect-pedal further includes a preset cocked-wah range, and wherein upon determining that said moving-member of the common effect-pedal has not moved, the method further comprising the steps of:

a) determining if cocked-wah is required and upon determining that cocked-wah is not required, go to step (d) of claim 14; else

b) determining if said moving-member is within said cocked-wah range and upon determining that said moving-member is within said cocked-wah range, go to step

(c) of claim 14.

16. The method of claim 14, wherein said effect-pedal-switching device is a DSP-based effect-pedal-switching device, having a processing unit that is a DSP element, wherein the method further comprising the steps of:

a) sampling said sound signal at selected locations on said electrical path of said sound signal from said electric music instrument to the sound amplifier;

b) analyzing said sampled signals, to thereby determine if the common effect-pedal is in said activated state or in said deactivated state;

c) sampling said sound signal at selected locations on said electrical path of said sound signal from said electric music instalment to the sound amplifier, and analyze said sampled signals to thereby detect pivotal changes of said moving- member; and

d) upon detecting pivotal motion of said moving-member, setting said relay to route said sound signal from said electric music instrument to the common effect-pedal and then to the amplifier, bringing said DSP-based effect-pedal-switching device to an "engaged state".

17. The method of claim 14, wherein said effect-pedal-switching device is a sensor-based effect-pedal-switching device, having a sensor coupled to operate with the common effect-pedal and associated with said processing unit, wherein the method further comprising the steps of:

a) receiving a signal from said sensor;

b) determining if said moving-member has pivotally moved, based on said received signal of said detect pivotal changes of said moving-member; and

c) upon detecting pivotal motion of said moving-member, setting said relay to route said sound signal from said electric music instrument to the common effect-pedal and then to the amplifier, bringing said sensor-based effect-pedal-switching device to an "engaged state".

18. The method of claim 17, wherein said sensor is a step-on sensor (248) that is activated when a foot of a user is positioned on said moving-member.

19. The method of claim 17, wherein said sensor is a two-parts sensor (348) that is activated when said moving-member is moved pivotally.

20. The method of claim 17, wherein the common effect-pedal further includes a preset cocked-wah range, and wherein said sensor is a two-parts sensor (348) configured to detect if said moving-member is within said cocked-wah range,

21 . The method of claim 14, wherein the effect-pedal is a retrofitted effect-pedal.

22. The pedal-controlled ground effect system of claim 1, wherein the effect-pedal is a retrofitted effect-pedal.