WO2013038099A1

WO2013038099A1 - Multi-phase-shifter device for the protection of persons against electromagnetic waves

Info

Publication number: WO2013038099A1
Application number: PCT/FR2012/052022
Authority: WO
Inventors: Abel Franco Garcia
Original assignee: Abel Franco Garcia
Priority date: 2011-09-12
Filing date: 2012-09-11
Publication date: 2013-03-21
Also published as: FR2980045A1; FR2980045B1

Abstract

The subject of the present invention relates to a multi-phase-shifter device 100 for protecting persons against electromagnetic waves comprising at least one pair P1 and P2 of antennas A11, A12; A21, A22 that are substantially identical or homothetic to one another, and connected together electrically at the level of their ends by two distinct inter-antenna connection elements IA11, IA12; IA21, IA22, these said antennas each comprising at least one substantially spiral shaped loop and being electrically insulated from one another with the exception of said inter-antenna connection elements IA11, IA12; IA21, IA22 so as to form at least one phase-shifting module 10 making it possible to reduce the thermal effect of the electromagnetic waves.

Description

MULTI-DEHASTER DEVICE FOR PROTECTING PERSONS AGAINST ELECTROMAGNETIC WAVES

Technical area

The subject of the present invention relates to the field of multi-phase-shifter devices for the protection of persons against electromagnetic waves.

The object of the present invention finds particularly particularly advantageous application in the field of the protection of persons against the waves emitted for example by mobile phones, and in particular the telephones of the third or fourth generation type.

State of the art

The emergence and commercial development of cell phones, microwave ovens, and the proliferation of radio and television stations are making people live in an increasingly dense electromagnetic fog.

The difficulty of visualizing such electromagnetic waves has led, just as in the case of radiation protection, to a societal need for information and protection.

With regard to the possible impact of mobile telephony on people's health, there have been heated controversies for many years.

One of the difficulties is to measure the Specific Absorption Rate (SAR), the power absorbed in watts per kilogram of living tissue.

Measurements of SAR in vivo are, of course, not possible by probe sensitive to the electric field or temperature.

MRI medical imaging and numerical methods of electromagnetic computation allow the estimation of electric fields and magnetic; however, it is difficult to model a radiotelephone numerically (see FTRD France Telecom ENST models).

Calculations using existing models for GSM give a SAR of 1 watt / kilogram, 13% of that power being absorbed by the brain, and 30% of the energy being absorbed in a 5 cm cube centered on the ear internal, the estimated maximum SAR in the inner ear being of the order of 0.4 watts / Kg for a power of 250 mW and a GSM frequency of 900 MHz.

Although SAR measurements give rise to an uncertainty of 35%, European national regulations mention this because DAS is the only measurable physical parameter unanimously recognized by the scientific and technical community for the health effects of electromagnetic fields of GSM.

Thus, the maximum peak power authorized in France for GSM is 2 watts at 900 MHz and 1 watt at 1800 MHz, with TDMA division at 217 Hertz, the maximum allowable SAR being set at 0.08 watts / kg for the public. (Regulation 1999 / 519CE) with 2 Watt / Kg locally for 10 grams of fabric.

As an indication, a mean conductivity value of 1 S / m for a fabric at 900 Mhz gives an electric field strength of 30 V / m to obtain a SAR of 1 W / kg.

Electromagnetic fields related to mobile telephony between 850 and 1900 Mhz have an apparently low thermal effect (less than 0.1 degrees), but which can nevertheless have non-negligible consequences.

Numerous studies have been carried out on the health effects of these waves:

- cardiovascular system (blood pressure, heart rate),

- cancers (gliomas, meningiomas, acoustic neuromas, parotid gland cancers), - reproduction and embryonic development,

- immune system (IgA) and endocrine system (melatonin, cortisol),

cognitive functions such as memory, attention, concentration, sleep, headache, epilepsy,

- blood-brain barrier,

- heat shock protein.

Studies concerned symptoms that can not be objectified by a doctor (fatigue, feeling of heat, irritability, vertigo).

These epidemiological studies can hardly be affirmative about the impact of mobile telephony on the health of people, since it is not particularly feasible to conduct double-blind tests.

Several press articles in popular science journals have also reported on the potentially harmful effect of electromagnetic waves.

The major national press, particularly French, regularly reports on this issue: see for example in the daily Le Monde of March 10, 1999, January 30, 2001, September 11, 1996, March 28, 2002.

A very large number of patent applications have been filed previously for devices to protect cell phone users (see European Classes H01Q1 / 24A1C and H04B1 / 38P2E).

Reference may be made, for example, to documents WO-03/005487,

FR-2.826.784, FR-2.781.088, WO-03/043122, WO-2005/031918, some of which are from the present inventor.

The protection devices known from the prior art, such as that described in document WO-2005/031918, however, have the problem of having a small radius of action. Indeed, this one goes from a few millimeters to one centimeter only.

However, there is a need for protection of people from the waves emitted by transmitters present several meters or even several tens of meters from the place where these people are. This is the case for example mobile phone relay stations that may be close to homes.

The problem that arises then is to have a device for protecting people against electromagnetic waves that operates at great distances, up to several tens of meters.

To solve such a problem, the present inventor has developed a technology which is disclosed in WO 2007/023220.

In this document, there is provided a multi-phase protector device for protecting persons against electromagnetic waves which, typically, comprises several phase shift modules. Each phase-shifting module in turn comprises at least two loops substantially identical or homothetic to one another, substantially flat, and electrically interconnected by two distinct inter-loops connection elements, at a first opening in each of the loops. These loops are electrically isolated from each other with the exception of inter-loop connection elements.

In this document, each of the phase shift modules is electrically connected by two separate inter-module connection elements to at least one of the phase shift modules, and is substantially identical or homothetic to the other phase shift modules.

Furthermore, the inter-module connection elements each connect one of the loops of one of the phase shift modules at a second opening in this loop, to one of the loops of another of the phase shift modules at the level of a second opening in this loop. Finally, the phase shift modules are electrically isolated from each other with the exception of the inter-module connection elements.

The Applicant submits, however, that the performance of this type of multi-phase-shifter device can be further improved: the applicant considers in fact that the phase shift obtained with a device according to WO 2007/023220 is not optimal.

Summary of the object of the present invention

The object of the present invention is to provide a simple and effective solution to the aforementioned problems among other problems, cost and manufacturing issues being considered in the context of the present invention.

One of the technical problems that the object of the present invention solves therefore consists in proposing a solution designed to allow an optimal phase shift for a better protection of people vis-à-vis the electromagnetic waves.

The general concept underlying the present invention is to improve the protection effect obtained previously in the device according to WO 2007/023220 by multiplying the number of antennas for each phase shift module.

For this purpose, the subject of the present invention relates to a multi-phase-shifter device for protecting people against electromagnetic waves.

According to the present invention, the multi-phase-shifter device comprises at least one pair of antennas substantially identical or homothetic to each other, and electrically connected to each other at their ends by two separate inter-antenna connection elements.

Advantageously, the antennas each comprise at least one substantially spiral-shaped loop; these antennas are further electrically isolated from each other with the exception of said inter-antenna connection elements. Thus, this advantageous new configuration makes it possible to form at least one phase shift module making it possible to reduce the thermal effect of the electromagnetic waves. Indeed, thanks to this configuration, we obtain a multi-antenna phase shift module whose protection power against electromagnetic waves is stronger.

In an advantageous variant embodiment, the multi-phase-shifter device according to the present invention comprises at least two pairs of antennas which overlap each other.

Overlapping within the meaning of the present invention, it should be understood that said at least two pairs of antennas overlap in part; they encroach on one another or intertwine. In other words, when a first and a second pair of antennas overlap or interlace in the sense of the present invention, it should be understood that for example one of the antennas of the first pair of antennas is positioned between the two antennas of the second pair of antennas, or, conversely, one of the antennas of the second pair of antennas is positioned between the two antennas of the first pair of antennas.

This overlap of antenna pairs makes it possible to multiply the number of antennas per phase-shift module without limit, which makes it possible to significantly increase the protection of people vis-à-vis electromagnetic waves.

Of course, it is understood here that, despite this overlap, the inter-antenna connection elements of a pair of antennas remain electrically isolated from the inter-antenna connection elements of the other pairs of antennas.

It is thus understood that, when the device according to the present invention comprises a first and a second pair of antennas, the inter-antenna connection elements of a first pair form a connection bridge over one of the antennas of the antenna. second pair antennas.

Advantageously, each antenna comprises at least two loops interconnected by an inter-module connection element to form at least two phase shift modules positioned in at least two different planes.

Preferably, the different planes are substantially parallel to each other.

According to an advantageous embodiment of the present invention, each of the antennas is mounted on a flexible printed circuit and covered with an insulating flexible plate of polymer material. Preferably, the flexible plate comprises at least one hole for the passage of each inter-module connection element.

Note that in this configuration the inter-antenna connection elements merge with the inter-module connection elements.

The invention also relates to a multi-phase-shifter device for the protection of persons against electromagnetic waves comprising at least two pairs of interleaved antennas, said antennas being identical or homothetic to one another, and electrically connected to one another at the their ends by two separate inter-antenna connection elements. These antennas each comprise at least one spiral-shaped loop and are electrically isolated from each other with the exception of said inter-antenna connection elements so as to form at least one phase shift module.

The present inventor has not yet been able to explain the physical mechanisms involved in the invention which has just been presented and which will now be explained in more detail.

However, it seems that, without this having been verified by the present inventor, each phase shift module of the invention does not include not strictly speaking an antenna (see by comparison, US-5,627,552, US-3,582,951 and US-5,451,965) of the type of folded hertz dipole or Yagi, or else magnetic loop frame.

The present inventor has, moreover, like all the persons of the profession concerned, encountered significant difficulties to carry out DAS measurements making it possible to demonstrate the beneficial effect of his device.

However, the present inventor has succeeded in obtaining very conclusive test results making it possible to observe the heat shield effect of the multi-phase-shifter device according to the present invention.

Indeed, the first comparative tests with and without a device according to the present invention made it possible to observe, with the multi-phase-shifter device according to the present invention and in particular by using thermographic cameras, a very significant reduction in the heat released by a telephone. portable during prolonged use and transmitted to the user especially at the level of the ear and the face against which the user presses the mobile phone.

Depending on the number of phase shift modules and the number of antenna pairs per phase shift module, tests have shown that the heat shield effect of the present device reduces the heat generated by a mobile phone by 50 to 99%.

Without this being physically explained, such a heat shield phenomenon is also observed up to 5 to 10 meters around the present device.

Second comparative tests with and without a device according to the present invention have also demonstrated at the physiological level significant changes in red blood cells when a use of a mobile phone for a prolonged period of time was performed without a device according to the present invention.

More specifically, in a first phase, the tests carried out have consisting on the one hand to take a blood sample of a subject not exposed to the waves, and secondly to take a blood sample of a subject without a device according to the present invention and exposed to waves, for example a subject phoning for more than five minutes.

In a second phase, the tests consisted of comparing the two blood samples under a microscope: this first comparison revealed significant changes in red blood cells.

In a third phase of the tests, the subject subjected to the waves was equipped with a device according to the present invention. In this phase, a blood sample was taken, and this sample observed under a microscope showed a return to normal red blood cells.

These second tests have therefore demonstrated one of the many advantages provided by the device according to the present invention for the protection of persons vis-à-vis electromagnetic waves.

Third comparative tests using a standard standard telephone have also shown very favorable SAR measurements with the device according to the present invention. The present inventor submits that the measurements carried out with the BEST MSA 21 apparatus and the present device offer results that are even more efficient than those obtained with the preceding device and disclosed in the WO document.

2007/023220.

The advantages obtained by the improvements described above are very significant and allow a consequent reduction of the harmful effects relating to electromagnetic waves, and in particular those emitted by mobile phones.

Short detailed description of the figures

Other features and advantages of the present invention will emerge from the description above with reference to the appended FIGS. 1 to 6, which illustrate several variant embodiments which are not limiting in any way and on which: FIG. 1 schematically represents a first variant embodiment of the device of the invention,

FIG. 2 diagrammatically represents a second variant embodiment of the device of the invention,

FIG. 3 diagrammatically represents a third variant embodiment of the device of the invention,

- Figure 4 shows schematically a fourth embodiment of the device of the invention.

- Figure 5 shows schematically a fifth embodiment of the device of the invention.

- Figure 6 schematically shows a sixth embodiment of the device of the invention.

Detailed description of several variant embodiments

A multi-phase shifter device according to several advantageous exemplary embodiments of the present invention will now be described in the following with reference to Figures 1 to 6.

One of the objectives of the present invention is to provide optimum protection of persons vis-à-vis electromagnetic waves, the inventive concept underlying the present application being notably to improve the results obtained in the previous solution envisaged in the WO document. 2007/023220 by multiplying the number of antennas per phase shift module, and also by multiplying the number of phase shift modules possible.

To achieve such an objective, many difficulties such as for example the manufacture or the isolation of the antennas between them must be overcome.

As it appears in the figures, to achieve this objective, and cleverly circumvent the various difficulties related to the design of existing models, the device 100 according to the present invention comprises at least one phase shift module 10, 20, 30, 40 each comprising at least two metal wires, for example copper or cuprous alloy, said at least two son consisting of at least one pair PI, P2, P3, P4 antenna Ail, A12; A21, A22; A31, A32; A41, A42.

In each of the examples described here, the antennas A11, A12; A21

A22; A31, A32; A41, A42 are substantially identical or homothetic to each other, and are electrically connected to each other at their ends by two inter-antenna connection elements IA11, IA12; IA21, IA22; IA31, IA32; IA41, IA42.

In each of the examples described here, the antennas A11, A12; A21

A22; A31, A32; A41, A42 each comprise at least one substantially spiral-shaped loop and being electrically isolated from each other, except for said inter-antenna connection elements IA11, IA12; IA21, IA22; IA31, IA32; IA41, IA42, to form one or more phase shift module 10, 20, 30, 40 to reduce the thermal effect of electromagnetic waves.

Such a configuration is characteristic of the present invention. Advantageously, each antenna A11, A12; A21, A22; A31, A32; A41, A42 may comprise at least two loops interconnected by an inter-module connection element IM'll, IM'12; IM'21, IM'22; IM'31, IM'32; IM'41, IM'42 to form at least two phase shift modules 10, 20, 30, 40 positioned in at least two different planes, i being here a positive integer corresponding to the number of loops minus one.

Such a configuration is also characteristic of the present invention.

More specifically, in the following are presented in more detail each of the embodiments illustrated in the accompanying figures.

In the example described in FIG. 1, the device 100 according to the present invention comprises a single pair PI of antennas A11 and A12 which are interconnected at their ends by two inter-antenna connection elements IA11 and IA12 to form a single phase shift module 10. This module 10 advantageously comprises two antennas which gives it relatively satisfactory results.

Thanks to the inventive concept underlying the present invention, it is possible on the same principle to disclose other advantageous variants which have even more satisfactory results in terms of reducing the thermal effect.

In the example described in FIG. 2, the device 100 according to the present invention comprises a pair PI of antennas A1, A12.

In this example, each antenna comprises two loops; the loops are interconnected by an inter ^¬ modules connecting member He ^ ll ^ ¹ and IM, and Garlic antennas and A12 are connected together at their ends by two connecting elements inter IA11 and IA12 antennas.

This configuration makes it possible to obtain a device 100 with a single pair PI of antennas A1 and A12 forming two phase-shifting modules 10 and 20.

In the example described in FIG. 3, the device 100 according to the present invention comprises a pair PI of antennas A1, A12.

In this example, each antenna comprises four loops; the successive loops are interconnected by an inter-module connection element 1M ¹ U, IM 2; IM ² 11, IM ² 12; IM ³ 11, IM ³ 12, and the antennas A1 and A12 are interconnected at their ends by two inter-antenna connection elements IA11 and IA12.

This configuration makes it possible to obtain a device 100 with a single pair PI of antennas A1 and A12 forming four phase-shifting modules 10, 20, 30 and 40.

In the example described in FIG. 4, the device 100 according to the present invention comprises two pairs P1 and P2 of antennas A11, A12 and A21, A22. which are interconnected at their ends by two inter-antenna connection elements IA11, IA12, and A21, A22 to form a single phase shift module 10.

In this example, the module 10 comprises two pairs of antennas. In the example described in FIG. 5, the device 100 according to the present invention comprises four pairs P1, P2, P3 and P4 of antennas A11, A12, A21, A22, A31, A32, and A41, A42. Each antenna comprises two loops, and the antennas of each pair are interconnected at their ends by inter-antenna connection elements IA11, IA12; IA21, IA22; IA31, IA32; IA41, IA42.

In this variant, the ends of the antennas correspond to the ends of the loops so that the internal connection elements IA11, IA12; IA21, IA22; IA31, IA32; IA41, IA42 correspond to the inter-module connection elements IM 1, IM 2; IM 1, IM ¹ 22; IM 1, IM ¹ 32; 11 ^ 41, 11 ^ 42.

In this variant, the configuration makes it possible to form two phase shift modules 10 and 20 each comprising four antennas.

In the example described in FIG. 6, the device 100 according to the present invention comprises two pairs PI and P2 of antennas A11, A12 and A21, A22 which are interconnected at their ends by two inter-antenna connection elements. IA11, IA12, and A21, A22. Each antenna A1, A12 and A21, A22 comprising four loops interconnected by inter-module connection elements IM1, IM2; IM ² 11, IM ² 12; IM ³ 11, IM ³ 12 to form four phase shift modules 10, 20, 30, 40 comprising two pairs of antennas.

In each example described here, the antennas are electrically insulated from each other, for example by a plastics material such as polyester, with the exception of inter-antenna connection elements.

In FIGS. 2, 3, 5 and 6, the phase shift modules 10, 20, 30 and 40 are placed in different parallel planes, but could equally well be placed in different planes slightly inclined relative to each other.

Furthermore, the modules are substantially identical to each other, but could equally well be substantially homothetic. In the latter case, one or other of the modules would for example be slightly larger (of the order of a few percent) than one or the other.

In each of the variants presented above, the device, after or before final shaping, can be placed in an insulating polymer resin that hardens.

In a particular embodiment, the phase shift modules are connected to at least one capacitor, in series and / or in parallel.

In the case of transmission of medium and high frequency waves, the device can be placed on the lower part of a transmitter such as an antenna for example. Thus, several devices can be placed all around this transmitter in order to provide protection over the entire periphery.

In the case of low-frequency wave emissions, the device can be used around generators of electromagnetic fields of very high power (power plants, electric locomotives, ...) ■ More generally, the device can be installed in generators electromagnetic fields of medium or low power, such as electrical equipment (large or small), an electric heater, a television (deflection coils and THT transformers being in particular generators of electromagnetic fields), a digital alarm clock, a mobile phone. Also, the device can be used in dwellings close to disturbance zones coming from the ground (deep fault, water source, etc.) which are also likely to generate fields. electromagnetic damage.

The Applicant has found positive effects on non-objectified symptoms, since the device is brought into direct contact with or near a part of the human body, or even up to a few tens of meters, depending on the exact number of modules. phase shift in the device.

The whole of the description above is of course given by way of example and is not limiting of the invention. It is noted that the various modules, substantially homothetic or substantially identical to one another, can be placed in the same plane. They may possibly be placed in different planes, parallel or slightly inclined relative to each other.

On the other hand, the length of the various connection elements is not limiting of the invention. It is variable, adjusted in particular according to the configuration chosen and the performance objectives in terms of protection. In addition, the various connection elements are presented above as being of the same length, without however being limiting of the invention. Indeed, they could just as well be of different lengths, one being slightly larger than the other.

Finally, the precise shape of the loops is also not limiting of the invention, and may result for example from aesthetic choices other than a purely circular shape (elliptical shape, heart, or other ...) - It should be observed that this detailed description relates to particular embodiments of the present invention, but in no case this description is of any nature limiting to the subject of the invention; on the contrary, its purpose is to remove any imprecision or misinterpretation of the claims that follow.

Claims

A multi-phase-shifter device (100) for the protection of persons against electromagnetic waves comprising at least one pair (P1, P2, P3, P4) of antennas (A11, A12, A21, A22, A31, A32;

A41, A42) which are identical or homothetic to each other and electrically connected to each other at their ends by two distinct inter-antenna connection elements (IA11, IA12, IA21, IA22, IA31, IA32, IA41, IA42 ), said antennas (A12, A12, A21, A22, A31, A32, A41, A42) each comprising at least one spiral-shaped loop and being electrically isolated from each other with the exception of said elements of internal connection (IA11, IA12, IA21, IA22, IA31, IA32, IA41, IA42) so as to form at least one phase shift module (10, 20, 30, 40).

2. Multi-phase shifter device (100) according to claim 1, characterized in that it comprises at least two pairs (PI, P2, P3, P4) of antennas (A11, A12, A21, A22, A31, A32; A41, A42) overlapping each other.

3. A multi-phase-shifter device according to claim 2, characterized in that each antenna (A11, A12, A21, A22, A31, A32, A41, A42) comprises at least two loops interconnected by a connection element. inter-modules (IM'll, IM'12; IM'21,

IM ⁱ 22; 11 ^ 31, IM ⁱ 32; IM'41, IM ⁱ 42; i being a positive integer corresponding to the number of loops minus one) to form at least two phase shift modules (10, 20, 30, 40) positioned in at least two different planes.

4. Multi-phase shifter device (100) according to claim 3, characterized in that said different planes are parallel to each other.

A multi-phase-shifter device (100) according to any one of claims 1 to 4, characterized in that each of said antennas (IA11, IA12, IA21, IA22, IA31, IA32, IA41, IA42) is mounted on a printed circuit board flexible and covered with an insulating flexible plate of polymer material.

6. Multi-phase shifter device (100) according to claim 5, characterized in that the flexible plate comprises at least one hole for the passage of each inter-module connection element (IM'll, 11 ^ 12; IM'21, IM 22 ^i; 11 ^ 31, 32 IM ^i; IM'41, ^j IM 42).

7. Multi-phase-shifter device (100) for the protection of persons against electromagnetic waves comprising at least two pairs (PI, P2, P3, P4) of antennas (A12, A12, A21, A22, A31, A32, A41, A42), said antennas being identical or homothetic to one another, and electrically interconnected at their ends by two separate inter-antenna connection elements (IA11, IA12, IA21, IA22, IA31, IA32; IA41, IA42), these antennas (A12, A12, A21, A22, A31, A32, A41, A42) each comprising at least one spiral-shaped loop and being electrically isolated from each other with the exception of said inter-antenna connection elements (IA11, IA12, IA21, IA22, IA31, IA32, IA41, IA42) so as to form at least one phase shift module (10, 20, 30, 40).

Multi-phase shifter (100) according to claim 7, characterized in that each antenna (A11, A12, A21, A22, A31, A32; A41, A42) comprises at least two loops interconnected by an inter-module connection element (IM'll, IM'12;IM'21, IM ⁱ 22; 11 ^ 31, IM ⁱ 32; IM'41, IM ⁱ 42; i being a positive integer corresponding to the number of loops minus one) to form at least two phase shift modules (10, 20, 30, 40) positioned in at least two different planes.

9. Multi-phase shifter device (100) according to claim 8, characterized in that said different planes are parallel to each other i o.

10. Multi-phase shifter device (100) according to any one of claims 7 to 9, characterized in that each of the antennas (IA11, IA12, IA21, IA22, IA31, IA32, IA41, IA42) is mounted on

15 a flexible printed circuit and covered with an insulating flexible plate of polymeric material.

11. multi-phase shifter device (100) according to claim 10, characterized in that the flexible plate has at least one hole

20 for the passage of each inter-module connection element

(IM'll, ΙΜ ^! 12; 11 ^ 21, IM ⁱ 22; 11 ^ 31, IM ⁱ 32; IM'41, IM 2).