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Abstract -- The disclosed device comprises a container (1) intended to be placed in the vicinity of the source of said radiation and containing a medium (6) which has been subjected to prior irradiation and a metal salt or a combination of metal salts in said medium at a maximum concentration of 20 mg of salt(s) for 100 l of medium, said container being made of a non ferromagnetic material which is chemically neutral with respect to said medium and salt. Preferably, the salt is a salt of an alkaline metal or of an alkali earth metal, and the medium is an aqueous liquid medium.

The invention relates to an apparatus of shielding against the biological effects of the nonionizing electromagnetic radiations, in particular those emitted by the domestic, office automation or industrial electrical apparatuses or electronic.

In particular, the display screen apparatuses (which they are especially computerised monitors, television sets or terminals videotex), are considered to produce, because of the electromagnetic radiations which they emit, a certain number of biological harmful effects revealed by various organic disorders such as tires ocular, evils of head, states of stress, etc

One indeed could show that the light radiations from the screen (embarrassment due to the light intensity, contrast, the concentration on a fixed image or to the frequency of scanning) are not the single causes of these organic disorders, but that the electromagnetic radiations (nonionizing) emitted by these ap similar also have proven biological effects.

The invention has as an object an apparatus making it possible to protect itself against these last effects biological, suitable for the existence of a field of prevailing relatively intense radiation in the environment of use of these display screens or other generating similar elements of electromagnetic fields. In particular, the invention is not limited to the particular case of the display screen apparatuses, but is also intended to be used against the electromagnetic fields of all natures, created for example by the furnaces with microwaves, the lines with high tension, the cordless telephones and cellular telephones, the plays video, etc

Various apparatuses were proposed to mitigate the effects of these radiations, but they proved in practice somewhat effective, and sometimes same hazardous because some propose to use elements which produce themselves of the nonionizing radiations, for example using ferrous webs forming bipolar, technical emitter whose harmlessness is far from being certain.

In addition, the presumption of effectiveness on the human being or the animal of the majority of the apparatuses proposed up to now was not checked by biological experiments or biophysics.

The apparatus of shielding of the invention, on the contrary, does not emit such nonionizing radiations and it made the biological test object and biophysics of effectiveness and harmlessness.

N is characterized in what it includes/understands a container, intended to be laid out near the source of the aforesaid radiations, containing a medium having undergone a prior irradiation and a metal salt or a combination of metal salts carried by this medium with a maximum concentration of 20 salt mg (S) for 100 1 of medium, the aforementioned container being in a nonferromagnetic and chemically neutral material by respect to that the medium and salt.

Preferably, the aforementioned salt is an alkaline salt of a metal or alkaline-earth and the aforementioned medium is a liquid medium, especially an aqueous medium.

The aforementioned prior irradiation of the medium can be beneficial lies realized by use of an antenna To lick placed above a volume of the aforesaid medium and held with the hand by one of its branches, or by use of a radiation source coherent associated means to cooperate with the hand of an operator.

The aforementioned container can especially have the shape of at least a closed elongated tube at its two ends, for example of two parallel tubes laid out coast at coast, and length ranging between 10 and 25 cm.

One now will describe an example of performing of the apparatus of the invention, in reference with the annexed drawings.

Figure 1 is a view perspective showing the general configuration of the apparatus of the invention.


Figure 2 is a cut in elevation of this same device, which out of watch the internal structure.


Figure 3 shows an example of placement of this apparatus on a transmitter apparatus of radiations opposite from which one wishes to protect oneself.

Figure 4 illustrates a first shape of implementation of the preparation process of the liquid contents in the apparatus of the invention.

Figure 5 illustrates another form of implementation of this same method.


Figures 6 and 7 are diagrams showing the clinical results of studies carried out to show the effectiveness of the apparatus of the invention.


On figures 1 and 2, one represented an apparatus of shielding in accordance with the invention, which is carried out in the form of two hollow parallel tubes similar 1, sealed with each one of their ends 2 by an appropriate means (for example a depressed steel ball 3 with force as illustrated on the figure, or by plugging by means of a crosslinkable elastomer, or by mechanical crimping, etc).

These tubes are maintained, for example in a central region, by a common carrier 4 allowing moreover the fixing of the apparatus on an appropriate place of the apparatus which one wants to protect oneself, for example by means of a pellet of adhesive dual face 5. Figure 3 illustrates an example of apparatus in accordance with the invention placed against a lateral wall of a computerised monitor, therefore near the radiation sources of the display screen of this one.

The tubes 1 are filled with liquid appropriate 6 which one will describe the composition further. Tubes 1 must be in a nonferromagnetic and chemically neutral material (not reagent) compared to liquid the 6; it can be in metal, for example in landed nium or an aluminium alloy, or in a synthetic material such as a polyamide or a polypropylene. In the illustrated example, each tube has an inner diameter of 4 mms and an outer diameter of 6 mms, with an overall length of 17 cm for an inner length useful of approximately 15 cm, which gives to each tube a capacity of about 1,5 to 2 Cm3, value (nonrestrictive) corresponding with the amount of liquid required to ensure a shielding against the typically emitted radiations by an apparatus of type monitor to computer or television set.

It will be noted that the form and the dimensions illustrated on figures 1 and 2, if they are beneficial, are not essential for the implementation of the invention, whose essential principle lies in the nature and the treatment from liquid the 6. Thus, other forms can be considered, for example spiral, ring, hollow sphere defining an interior volume having a capacitance of the same order of size. Moreover, if one envisages two tubes (or two rings, etc), the materials of the two containers can be different, since they are nonferromagnetic and neutral with regard to the liquid one that they contain.

One now will describe the manner whose the active liquid medium 6 is prepared. One will note in this respect this active medium is not necessarily present in liquid form, but can be it in form solid, gaseous, gelled, etc

One takes an aqueous medium, for example purified water, and one subjects it to a pretreatment nonionizing irradiation, for example, like illustrated figure 4, by means of an antenna of
To lick: this antenna 7 is placed above a container 6 tells nant the aqueous medium, and it is held with the hand by one of its two branches (magnetized stems 8), while the dimension of the resonant loop 9 is adjusted by the movable web 10 at a frequency of resonance ranging between 0 and 10000 MHZ; the antenna is maintained by hand 11 of the operator above it container 6 in order to to realize, of manner in itself known, a resonant coupling between the operator and aqueous medium 6 and to thus operate a nonionizing irradiation of this last.

A variant of implementation of the irradiation can be carried out, like illustrated figure 5, by application of an emitted coherent radiation 12 by a laser 13 associated means to cooperate with hand 11 of the operator, for example a formed loop 15 in line of supply 14 of laser 13 and in which ltopéra- tor will pass his hand, so as to still ensure here a coupling between the hand of the operator and aqueous medium 6 contents in the illuminated container by the laser.

The aqueous medium thus prepared is added with a metal salt or a combination of metal salts, with a maximum concentration of 20 salt mg (S) for 100 liters of aqueous medium.

It will be noted that the adding of salt can indifferently be carried out before or after the nonionizing prior irradiation which one has just described in reference on figures 4 and 5.

The selected metal salt is preferably a salt of a metal belonging with the formed group by Li, Na, Rb, K, Cs, Mg, Ca, Sr, Ba, Fez++, Co, Ni, Mn, Zn, Cd, Pb, Cu, Fe++, Ag, Hg, by excluding rare earth salts preferably and by choosing an alkaline or alkaline-earth salt of a metal preferably.

In addition, it will be noted that the maximum value of concentration of salt (or salts) indicated higher is substantially indépen- dante of the nature of selected salt.

0
One now will give a certain number of clinical test results showing the results gotten by the apparatus of the invention. Previously, it will be noted that, with the apparatus describes higher, the effect of shielding is obtained until several tens of centimetres, typically up to 3 to 4 metres of ray, thus allowing to completely protect the user whatever his position compared to the source of electromagnetic radiation and whatever the place where the apparatus of the invention near this same source is placed (this last positioning not being a critical parameter for the obtaining of an effective shielding).

1) Posturologic study
One studied the position and the evolution with the floor of the projection of the center of gravity of an individual placed on a platform of clinical stabilometry standardized (for example of type Dynatronic Don50) giving in particular an indication of the stability of the individual and of his laterality by analysis of the surface (stability) and the off-centring (laterality) of the trace of the projection of the center of gravity on the statokinésigramme obtained.

An excess of surface and/or an excessive laterality are usually correlated with pathologies such as strabism, disorders of ocular convergence, lumbagos, cervicalgies, sensations vertiginous, etc

On a sample of 35 persons, the posture of each individual was analyzed pendent one duration 50 seconds: initially without computer with proximity, then with computer placed at 70 cm but without apparatus in accordance with the invention (situation which one will call thereafter “nonprotected screen”), and finally with the same computer provided with an apparatus in accordance with the invention (“protected screen”).

It is observed that in 73,3% of the case (of including 63,5% in a statistically significant way, i.e. introducing to a deviation of laterality of at least E 7,1 mms), the individuals in front of the protected screen improve their postural balance and thus eliminate a factor of tiredness and disorders organic or psychological being able to be bonded with the working on screen.

This study watch moreover that:
- a third of the persons having presented the aforementioned improvement
change left/right laterality,
- 46,5% of the persons improve their balance in front of the screen
protected compared to the initial measuring carried out without screen,
-40% of the individuals worsen their imbalance in laterality
when they pass from the initial situation without screen to located
tion with nonprotected screen, and
- it noted forever of aggravation statistically signi
ficative of laterality because of addition of the apparatus
in accordance with the invention.

2) Immunologic study
This study, carried out on five subjects, takes into account the respect Thelper lymphocytes/Tinducteur lymphocytes, especially the rate CD5/CD20 which, when it increases, is an indicator of the tendency to develop autoimmune diseases and, when it decrease, indicates an improvement of the immune potential. A normal rate is around 10%, a deviation between two analyses being regarded as significant for a variation from at least stupid 15% compared to the initial digit.

The persons all tested were users of computerised screens pendent several hours per day.

The blood analyses were carried out as follows:
Subjects 1, 2, 3: first analysis with nonprotected screen, deuxiè
me analysis with pendent protected screen 14 days,
Subject 4: first analysis with nonprotected screen, deuxiè
me analysis with pendent protected screen 7 days,
Subject 5: first analysis with protected screen since more
of 3 months, second analysis after 14 days of
blanking of the shielding.

The results given on graphic are referred the # 1 with #5 of figure 6, respectively for the five subjects considered; the single hatchings correspond to a situation with nonprotected screen and the crossed hatchings, with a situation with protected screen by the apparatus of the invention. One can see that, except for subject N 4 for which the variation of rate CD5/CD20 is not sufficiently significant, for the other subjects the passage of a situation of nonprotected screen to a situation of protected screen watch a significant improvement of the immune potential of the individual.

Inversely, in the case of the subject n0 5 the blanking of the shielding showed a degradation of the immune potential.

3) Energetic study of medicine
In this study, one has measured, by the auriculo-cardiac reflex according to the Nogier method, the quantitative variations of the energetic fields, expressed in-depth of penetration, corresponding ones to a superficial tissue, an average tissue and a deep tissue; the respective values considered as normal are typically 6 cm, 8 cm and 10 cm, a value lower corresponding one with a degradation of the potential of the individual.

Measuring was carried out on ten patients, successively in a situation without screen, with nonprotected screen and protected screen.

The results are illustrated on figures 7 (has) with (c), respectively for a superficial tissue, an average tissue and a deep tissue.

The absence of hatchings corresponds to the situation without screen, of the single hatchings correspond to a nonprotected screen and crossed hatchings with a protected screen. The values spans on the graphic ones are the average values of given collected for the whole of the sample.

As one can very clearly see it with the examination of graphic of these figures, one notes that the potential capacitances of the individual, highly degraded by a situation of working on nonprotected screen, are, according to case's, integrally or nearly completely restored by the use of the device of the invention.

4) Neurophvsiologic study
One studied the neurophysiological parameters of a sample of patients working daily on computerised terminal.

These patients work first of all on nonprotected monitors; at the 4th day, one carries out a first neurophysiological study, at the 7th day one place the apparatus of shielding of the invention and at the 18th day one carries out one second neurophysiological study.

One notes between the two observing a net improvement of the response to the light stimulus for the sequences closed eyes/open eyes and, especially, to the light pacings with 20 Hz, on the one hand for the whole (0,5-31,5 Hz) of the band recorded by the electroencephalograph, on the other hand for the bands alpha (7,5 to 13,5 Hz) and beta (13,5 to 31,5 Hz). As a whole, this increase goes from single to the dual one.

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