Surgery – Magnetic field applied to body for therapy – Electromagnetic coil
Reexamination Certificate
2000-10-24
2003-03-04
Hindenburg, Max F. (Department: 3736)
Surgery
Magnetic field applied to body for therapy
Electromagnetic coil
Reexamination Certificate
active
06527696
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates in general to the activation of cerebral cells using the tuning of alpha waves, and more particularly to an alpha wave generation apparatus for generating alpha waves of specific frequencies and applying them to a cerebrum remaining inactive, to stimulate it and thus activate its function, thereby improving a person's memory and studying capability.
2. Description of the Prior Art
Generally, a person's mind and body are relaxed while his brain is sunk in meditation. Also, the person's brain is made active while he concentrates his attention on something. The fact that the person's cerebrum emits brain waves of a frequency of 10±12 Hz at such an active state has already been scientifically proved.
Consequently, such an active state of the cerebrum is regarded as the most preferable state in human life, which is the main object of most moral and physical cultures. However, it is next to impossible for a person to maintain the above cerebral active state whenever desiring it. As a result, there have been proposed devices for mechanically solving such maintenance.
However, such a proposed device has encountered various problems in that it stimulates a person's sight or hearing sense to make his cerebrum active. For example, firstly, the device is adapted to stimulate the sense of sight or hearing using feeble energy. In this case, the stimulation is getting to be a cerebral habit, resulting in a reduction in effect. Secondly, the person cannot hear other ambient information when his ears are covered by the device. Thirdly, the person cannot view a book and other objects when his eyes are covered by the device.
In order to overcome the above problems, there have been studied and proposed devices wherein a coil for generation of an electromagnetic field of a specific frequency is put around a person's head to stimulate his cerebrum.
FIG. 1
is a circuit diagram showing the construction of a conventional cerebral cell activation apparatus put around a person's head, which is disclosed in Korean Patent Publication No. 96-623.
As shown in
FIG. 1
, the cerebral cell activation apparatus comprises a voltage controller
1
including a transformer T having primary, secondary and tertiary coils T
1
, T
2
and T
3
at a predetermined turn ratio. A transistor Q
3
has its base connected to an output terminal of the primary coil T
1
of the transformer T and its collector connected to an output terminal of the secondary coil T
2
of the transformer T. First and second transistors Q
1
and Q
2
are connected in a Darlington manner through the primary coil T
1
of the transformer T to drive the third transistor Q
3
. A first diode D
1
, a light emitting diode LED, resistors R
1
and R
2
and a first variable resistor VR
1
for a potentiometer are connected to an output terminal of the tertiary coil T
3
of the transformer T. The first transistor Q
1
has its base connected to a variable terminal of the first variable resistor VR
1
via a first Zener diode ZD
1
.
The cerebral cell activation apparatus further comprises an oscillator
2
including a first capacitor C
1
being charged with an output voltage from the voltage controller
1
or discharging it. A second capacitor C
2
and a second Zener diode ZD
2
are connected in parallel to the first capacitor C
1
via a resistor R
4
and a second diode D
2
. A programmable unijunction transistor PUT has its anode connected to a resistor R
5
and a second variable resistor VR
2
, its gate connected to a common connection point of resistors R
8
and R
9
and its cathode connected to a resistor R
7
.
The cerebral cell activation apparatus further comprises an output circuit
3
including a silicon controlled rectifier SCR having its gate connected to an output terminal of the oscillator
2
. The silicon controlled rectifier SCR further has its anode connected to a common connection point of a diode D
5
and a ringing coil L.
Now, a description will be given of the operation of the conventional cerebral cell activation apparatus with the above-mentioned construction.
First, when the cerebral cell activation apparatus is powered on, a voltage is applied to the collector of the third transistor Q
3
via the secondary coil T
2
of the transformer T and then transferred to the base of the first transistor Q
1
via a fixed bias resistor R
3
connected thereto. As a result, the first transistor Q
1
is turned on and current flows through the primary coil T
1
of the transformer T, thereby causing the second transistor Q
2
to be turned on.
At this time, a sinusoidal wave signal of 8-12 KHz is generated in the secondary coil T
2
of the transformer T, resulting in a counter electromotive force being induced in the tertiary coil T
3
of the transformer T. As a result, the third transistor T
3
is turned on, thereby causing the first capacitor C
1
to be charged with a counter electromotive force triggered by the first diode D
1
, which has charged the first capacitor C
1
with an electromotive force.
On the other hand, if a voltage across the first variable resistor VR
1
for the potentiometer exceeds a threshold voltage set in the first Zener diode ZD
1
, then the Zener diode ZD
1
conducts to turn off the first transistor Q
1
. Further, an electromotive force charged on the first capacitor C
1
is stabilized by the second Zener diode ZD
2
and second capacitor C
2
via the resistor R
4
and second diode D
2
. The programmable unijunction transistor PUT generates a saw tooth wave signal of 4-20 Hz for the trigger of the silicon controlled oscillator SCR according to a difference between a voltage set therein and a voltage dropped through the resistor R
5
, the second variable resistor VR
2
and the resistors R
8
and R
9
. At this time, the saw tooth wave signal is adjusted in level by adjusting a resistance of the second variable resistor VR
2
. Then, the triggering saw tooth wave signal generated by the programmable unijunction transistor PUT is applied to the gate of the silicon controlled rectifier SCR to turn the rectifier on, thereby changing the coil L from a ringing state to a resonant state. As a result, the first capacitor C
1
, which has been charged with a counter electromotive force, is recharged with an electromotive force via the diode D
5
.
With the operation being performed in the above manner, a signal of a desired frequency is generated in the ringing coil L and then applied to cerebral cells to stimulate them.
However, the above-mentioned conventional cerebral cell activation apparatus has a disadvantage in that it cannot generate alpha (&agr;) waves. Further, it may rather disturb brain waves of a person because the ringing coil L is designed to oscillate at a frequency varying continuously from 1 to 20 Hz.
For these reasons, the conventional cerebral cell activation apparatus exerts partial effects on physical relaxation and sleep regulation, but has no effect on an increase in the studying efficiency of students or the working efficiency of workers.
SUMMARY OF THE INVENTION
Therefore, the present invention has been made in view of the above problems, and it is an object of the present invention to provide an alpha wave generation apparatus for generating alpha waves of 4 Hz, 8 Hz and 10 Hz capable of activating cerebral cells and applying them to a cerebrum to stimulate it and thus activate its cells, thereby improving a person's studying effect and concentration, getting rid of his stress, lending him assistance to the promotion in his health, clearing up his insomnia, improving the competitiveness of athletes and enhancing the intellectual power of children of little intelligence as much as possible.
It should be noted that the present alpha wave generation apparatus is applicable to all industrial fields desiring the alpha waves as well as the above-mentioned object.
In accordance with the present invention, the above and other objects can be accomplished by a provision of an alpha wave generation appar
Cadugan Joseph A.
Hindenburg Max F.
Kim Ho Cheol
McGuireWoods LLP
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