Alternately vibratory-type exercise apparatus

Abstract

Provided is an alternate vibration type exercise apparatus that alternately vibrates a pair of vibration generators each other in which a vibration plate of each vibration generator is vibrated by up- and down-displacement of a moving driving coil inserted into a magnetic gap of a magnetic circuit, to thereby enable an alternate exercise of both of the feet of a trainee. The alternate vibration type exercise apparatus include: a base; a drive signal generator that generates first and second drive signals having a 180-degree phase difference therebetween; and first and second vibration generators having first and second vibration plates that are disposed at a distance spaced from each other on the left and right sides of the base and that are mounted so as to vibrate up and down, respectively, in which the first and second vibration plates that are connected with the first and second driving coils vibrate up and down alternately as the first and second drive signals are applied to the first and second driving coils that are disposed in first and second magnetic gaps, respectively, by a magnetic gap drive mode.

1 . An alternate vibration type exercise apparatus comprising:
 a base;   first and second vibration generators having first and second vibration plates that are disposed at a distance spaced from each other on the left and right sides of the base and that are mounted so as to vibrate up and down, respectively, in which the first and second vibration plates vibrate up and down alternately as first and second drive signals having a 180-degree phase difference therebetween are applied to the first and second vibration plates; and   a control unit that generates the first and second drive signals having a 180-degree phase difference therebetween in order to alternately vibrate the first and second vibration plates of the first and second vibration generators, respectively,   wherein each of the first and second vibration generators comprises:   a vertical vibrator that vibrates one of the first and second vibration plates that is connected with one of driving coils as one of the first and second drive signals is applied to the one of the driving coils that are disposed in a magnetic gap by a magnetic gap drive mode;   a number of guides both ends of which are connected with the base and each of the first and second vibration plates, respectively, and that guide vertical movement of each of the first and second vibration plates; and   a number of vibration absorbers that restrict a range of motion of each of the first and second vibration plates when the first and second vibration plates move up, and that absorb an impact when the first and second vibration plates move down.   
     
     
         2 . The alternate vibration type exercise apparatus according to  claim 1 , wherein the control unit comprises:
 a controller that produces a control signal corresponding to establishment of an input by a user in an input manipulator;   a sine wave drive signal generator that produces a sine wave drive signal having an oscillating frequency that is set according to the control signal; and   an amplifying unit that amplifies the sine wave drive signal and generates the first and second drive signals having the 180-degree phase difference therebetween to then be applied to the first and second vertical vibrators of the first and second vibration generators, respectively.   
     
     
         3 . The alternate vibration type exercise apparatus according to  claim 2 , wherein the amplifying unit comprises:
 a pre-amplifier that pre-amplifies the sine wave drive signal generated from the sine wave drive signal generator according to the control signal of the control unit and thus generates first and second outputs that equal each other;   an invertor that inverts the second output of the first and second outputs of the pre-amplifier and outputs the inversion result;   a first power-amplifier that power-amplifies the first output of the pre-amplifier to thus drive the first vertical vibrator; and   a second power-amplifier that power-amplifies the inversion result of the second output having passed through the invertor to thus drive the second vertical vibrator.   
     
     
         4 . The alternate vibration type exercise apparatus according to  claim 2 , wherein the amplifying unit comprises:
 a pre-amplifier that pre-amplifies the drive signal generated from the signal generator and thus outputs the pre-amplified result;   a power-amplifier that power-amplifies the output of the pre-amplifier to thus output first and second outputs that equal each other, to thereby apply one of the first and second outputs directly to one of the first and second vertical vibrators of the first and second vibration generators, respectively; and   an invertor that inverts the other of the first and second outputs of the pre-amplifier and outputs the inversion result so as to have the 180-degree phase difference therebetween, to thereby apply the inversion result to the other vertical vibrator to which no output is applied.   
     
     
         5 . The alternate vibration type exercise apparatus according to  claim 2 , wherein the control unit further comprises:
 a vibration number setting knob that selects the oscillating frequency from the signal generator and thus sets the number of vibrations of each vibration generator; and   a pair of vibration width setting knobs that selectively controls the first and second outputs of the amplifying unit to thus selectively set a vibration width of each vibration generator.   
     
     
         6 . The alternate vibration type exercise apparatus according to  claim 1 , wherein the vertical vibrator comprises:
 lower and upper magnets that are disposed at a distance spaced from each other so that magnetic poles face each other, to thereby generate a non-alternating magnetic field;   a first yoke that integrally has a loop type circulation circuit that is extended from the lower surface of the lower magnet to the upper surface of the upper magnet and an extension portion that is vertically extended upwards at a regular interval from the inner circumference of the lower side of the lower magnet;   a second yoke that is connected between the lower and upper magnets in which a magnetic gap is formed between the inner circumferential surface of the second yoke and the outer circumferential surface of the extension portion of the first yoke;   a driving coil that generates an alternating magnetic field when the drive signal is applied, and that is disposed in the magnetic gap to thus be displaced up and down according to interaction with the non-alternating magnetic field generated from the lower and upper magnets; and   a cylindrical bobbin around the cylindrical portion of which the driving coil is wound.   
     
     
         7 . The alternate vibration type exercise apparatus according to  claim 2 , wherein the amplifying unit comprises:
 a pre-amplifier that pre-amplifies the drive signal generated from the signal generator and thus outputs the pre-amplified result;   a power-amplifier that power-amplifies the output of the pre-amplifier to thus generate outputs that are applied to the first and second vertical vibrators of the first and second vibration generators, respectively; and   a phase shifter that shifts the outputs of the power-amplifier so as to have a 180-degree phase difference mutually and applies the shift result to the first and second vertical vibrators.   
     
     
         8 . The alternate vibration type exercise apparatus according to  claim 1 , wherein the vertical vibrator comprises a magnetic circuit including a permanent magnet or electromagnet. 
     
     
         9 . The alternate vibration type exercise apparatus according to  claim 2 , further comprising:
 a load sensor that is placed in each vibration plate, to thus transmit a load detection signal to the control unit,   wherein the control unit detects a load weight of an object put on each vibration plate through the load sensor, to thus drive the vertical vibrator with the number of vibrations and the vibration width that are appropriate for the detected load weight.   
     
     
         10 . An alternate vibration type exercise apparatus comprising:
 a base;   a drive signal generator that generates first and second drive signals having a 180-degree phase difference therebetween; and   first and second vibration generators having first and second vibration plates that are disposed at a distance spaced from each other on the left and right sides of the base and that are mounted so as to vibrate up and down, respectively, in which the first and second vibration plates that are connected with the first and second driving coils vibrate up and down alternately as the first and second drive signals are applied to the first and second driving coils that are disposed in first and second magnetic gaps, respectively, by a magnetic gap drive mode.   
     
     
         11 . The alternate vibration type exercise apparatus according to  claim 10 , wherein the drive signal generator comprises:
 a controller that produces a control signal corresponding to establishment of an input by a user in an input manipulator;   a sine wave drive signal generator that produces a sine wave drive signal having an oscillating frequency that is set according to the control signal; and   an amplifying unit that amplifies the sine wave drive signal and generates the first and second drive signals having the 180-degree phase difference therebetween to then be applied to the first and second driving coils of the first and second vibration generators, respectively.   
     
     
         12 . The alternate vibration type exercise apparatus according to  claim 11 , wherein the amplifying unit comprises:
 a pre-amplifier that pre-amplifies the sine wave drive signal generated from the sine wave drive signal generator according to the control signal of the control unit and thus generates first and second outputs that equal each other;   an invertor that inverts the second output of the first and second outputs of the pre-amplifier and outputs the inversion result;   a first power-amplifier that power-amplifies the first output of the pre-amplifier to thus drive the first driving coil of the first vertical vibrator; and   a second power-amplifier that power-amplifies the inversion result of the second output having passed through the invertor to thus drive the second driving coil of the second vertical vibrator.   
     
     
         13 . The alternate vibration type exercise apparatus according to  claim 10 , wherein the first and second vibration generators comprise a magnetic circuit including a permanent magnet or electromagnet, respectively. 
     
     
         14 . An alternate vibration type exercise apparatus comprising:
 a base;   a drive signal generator that generates first and second drive signals that equal each other;   a phase shifter that inverts the second drive signal and thus generates a third drive signal having a 180-degree phase difference from the first drive signal; and   first and second vibration generators having first and second vibration plates that are disposed at a distance spaced from each other on the left and right sides of the base and that are mounted so as to vibrate up and down, respectively, in which the first and second vibration plates that are connected with the first and second driving coils vibrate up and down alternately as the first and third drive signals are applied to the first and second driving coils that are disposed in first and second magnetic gaps, respectively, by a magnetic gap drive mode.   
     
     
         15 . The alternate vibration type exercise apparatus according to claim  14 , wherein the drive signal generator comprises:
 a controller that produces a control signal corresponding to establishment of an input by a user in an input manipulator;   a sine wave drive signal generator that produces a sine wave drive signal having an oscillating frequency that is set according to the control signal; and   an amplifying unit that amplifies the sine wave drive signal,   wherein the phase shifter comprises an invertor that inverts the second drive signal and thus generates a third drive signal having a 180-degree phase difference from the first drive signal.   
     
     
         16 . The alternate vibration type exercise apparatus according to  claim 14 , further comprising:
 a number of guides both ends of which are connected with the base and each of the first and second vibration plates, respectively, and that guide vertical movement of each of the first and second vibration plates; and   a number of vibration absorbers that restrict a range of motion of each of the first and second vibration plates when the first and second vibration plates move up, and that absorbs an impact when the first and second vibration plates move down.