FIELD: physics.
SUBSTANCE: invention relates to means of protection against electromagnetic radiation (EMR), and more specifically to devices for protection against cellular telephone radiation. Device which minimizes electromagnetic radiation of cellular telephone (5) consists of receiving antenna (1), a unidirectional repeater amplifier (2) and transmitting antenna (3). Receiving antenna is located inside the room and is connected to a unidirectional repeater amplifier. Transmitting antenna is connected to a unidirectional repeater amplifier and is located outside the room.
EFFECT: considerable reduction of electromagnetic radiation of a cellular telephone is achieved.
1 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
MOBILE PHONE | 2020 |
|
RU2747563C1 |
CELLULAR COMMUNICATION SYSTEM | 2023 |
|
RU2821270C1 |
CELL PHONE | 2022 |
|
RU2802707C1 |
METHOD FOR GROUP PROCESSING OF CHANNELS IN INTRAAREAL CORRESPONDENTS OF BASIC STATION OF RADIO TELEPHONE NETWORK WITH CODE DIVISION OF CHANNELS AND DEVICE FOR ITS REALISATION | 2009 |
|
RU2463736C2 |
ADDITIONAL HONEYCOMB AMPLIFIER WITH SMALL OPERATING RANGE | 2004 |
|
RU2387075C2 |
CELL PHONE | 2020 |
|
RU2754639C1 |
CELLULAR COMMUNICATION SYSTEM | 2020 |
|
RU2734282C1 |
DEVICE FOR TRANSFERRING MESSAGES IN MOBILE COMMUNICATION SYSTEM | 2005 |
|
RU2309544C2 |
WIRELESS CHARGER WITH THE FUNCTION OF ULTRASONIC SUPPRESSION OF THE SOUND RECORDING PATH OF THE MOBILE DEVICE BEING CHARGED | 2021 |
|
RU2772899C1 |
MOBILE (RADIO) TELEPHONE CASE | 2009 |
|
RU2396890C1 |
Authors
Dates
2024-05-03—Published
2019-04-23—Filed