KR100363286B1 - Ring for removing the electromagnetic waves of cellular phone - Google Patents

Abstract

The present invention relates to a ring for removing electromagnetic waves of mobile phones.

As it is well known, the mobile phone, which is a personal mobile communication, became a necessity of modern man and made a communication revolution. However, recently, it was reported to the academic community that harmful electromagnetic waves generated from mobile phones adversely affect the human brain. It has emerged as the standard for electromagnetic waves and legally regulated it.

The present invention has the purpose of minimizing the electromagnetic wave generated in the mobile phone to meet the WHO regulations. As a means for achieving the above object, the powder is mixed with mumetal and lead, which are electromagnetic wave blocking materials, in a predetermined ratio. It is molded into a ring body that can be easily inserted into the antenna of a mobile phone to have a low cost production and convenience of use.

Description

Ring for removing the electromagnetic waves of cellular phone}

The present invention relates to a ring for removing electromagnetic waves of a mobile phone, and in particular, molded by lead and mumetal alloy so as to remove static electricity and electric fields harmful to a human body generated from a mobile phone, and easily inserted into an antenna of a mobile phone. It consists of a ring body of one structure to remove most of the electromagnetic waves generated from the mobile phone.

As it is well known, the mobile phone, which is a personal mobile communication, has become a necessity of modern people, and the communication revolution has been achieved. As a result, international standards for electromagnetic waves have been established and legally regulated.

The two factors that adversely affect the human body caused by mobile phones are static electricity and electromagnetic waves. Static electricity causes various skin diseases and breaks rhythms, causing diabetes and heart disease, while electromagnetic waves act as a biological clock in the human body. It is known to be very harmful to human body such as decrease of secretion amount of melatonin, which is a hormone in charge of it, change of distribution of ions such as sodium and potassium that pass through cell membranes, destruction of vision, induction of cancer and leukemia, increase of body heat, and promotion of skin aging. .

In 1984, the International Radiation Protection Association (IRPA) recommended tolerances for exposure to electromagnetic waves in the 100 kHz to 300 GHz band, based on the World Health Orgarningation (WHO) announcement. SAR refers to the rate of absorption of electromagnetic energy in living tissues. The unit uses Watt / kg and is a widely used term along with mW / cm 2 used to measure the degree of harmfulness of human body to microwaves. Table 1 and Table 2 below show the exposure limits of workers and the general public according to the frequency bands of radio waves and microwaves, and the unit of f is MHz.

TABLE 1

Frequency (MHz) Electric Field (V / m) Magnetic Field (mA / m) Power Density (mW / ㎠) 0.1 to 1 614 1600 / f -1 to 10 614 / f 1600 / f -10 to 400 61 160 1400 to 2000 3f ^0.5 8f ^0.5 f / 400 2000 to 3000 00 137 360 5

TABLE 2

Frequency (MHz) Electric Field (V / m) Magnetic Field (mA / m) Power Density (mW / ㎠) 0.1 to 1 87 230 / f ^0.5 -1 to 10 87 / f ^0.5 230 / f ^0.5 -10 to 400 27.5 73 0.2400 to 2000 1.375 f ^0.5 3.7 f ^0.5 f / 2000 2000 to 3000 0 0 61 160 1

In Table 1, the exposure limit below 10 MHz is based on the criteria that the average current induced in the human body by electromagnetic waves during 6 minutes during work should be 200 mA or less, and the exposure limit above 10 MHz is 0.4 W for 6 minutes. The reason is that it should be less than / kg. In addition, the exposure limits above 10 MHz in Table 2 are based on an average SAR of less than 0.08 W / kg for 6 minutes. SAR, the benchmark for exposure limits for workers and the general public, is 5: 1, and in most other regulations this ratio is between 5: 1 and 10: 1.

This difference is due to the fact that workers are aware of the exposure to electromagnetic waves and are reducing exposure, but the general public does not.

Since the mobile phone uses microwave at 800MHz, the exposure limit according to Table 2 is f / 2000 = 800/2000 = 0.4mW / ㎠, so the average power density for 6 minutes should be 0.4mW / ㎠ or less.

The present invention has the purpose of minimizing electromagnetic waves generated from mobile phones based on the above criteria to be less than WHO regulations (exposure limit 0.4mW / cm ² or less). Mumetal and lead, which are electromagnetic wave shielding materials, are powdered and blended in a predetermined ratio, and molded into a ring body that can be easily inserted into the antenna of a mobile phone. It is intended to be convenient.

1 is a cross-sectional view of the present invention mounted on the antenna of the mobile phone

<Explanation of symbols for the main parts of the drawings>

1-Ring body 2-Casing

3-rubber ring 4-mobile phone

5-antenna

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.

10 to 50% by weight of lead (Pb) and 90 to 50% by weight of mumetal are powdered, mixed, dissolved, molded into a cylindrical shape to form a ring body 1, and the outer shell is made of stainless steel SUS 304. The casing 2 is formed and wrapped, and then the top circumference is covered with a semicircular rubber ring 3 in cross section so that the casing 2 can be fitted to the antenna 5 of the mobile phone 4.

Lead used in the present invention has a purity of 99% or more, and is particularly a material having excellent permeability for absorbing and passing electric wave-based waves (field lines). Mumetal is 5% by weight of copper, 75% by weight of nickel and iron. It is a special alloy composed of 20% by weight, and it is a material that is particularly excellent in absorbing and passing waves of magnetic field series.

The present invention configured as described above absorbs the electromagnetic field generated by the mobile phone by lead, and absorbs the magnetic field by the mumetal and releases it into the air vapor, thereby minimizing harmful electromagnetic waves generated during mobile phone calls, thereby preventing human brain damage. Will be prevented.

As described above, the present invention emits and extinguishes harmful electromagnetic waves generated during a mobile phone call below the WHO standard value (less than 0.4mW / cm ^{2 of} exposure limit), as well as a compact cylindrical ring body, which is simply inserted into the antenna of the mobile phone. As well as being very convenient to use, there is a side effect that the ring body also serves as an accessory function of the mobile phone, it is useful to be able to produce a low price and widely distributed to the general public to greatly contribute to the protection of public health.

Claims (1)

10-50% by weight of lead (Pb) with a purity of 99% or more and 90-50% by weight of mumetal (5% by weight of copper, 75% by weight of nickel and 20% by weight of iron), followed by mixing and dissolving To form a ring body (1), the outer shell of the casing (2) to form a casing (2), and then wrapped around the top circumference with a semi-circular rubber ring (3) to configure the mobile phone (4) Mobile phone electromagnetic wave removal ring, characterized in that it can be mounted to use the antenna (5).