Electromagnetic radiation protection device of a mobile phone

• US 6,314,277 B1
• Filed: 07/02/1999
• Issued: 11/06/2001
• Est. Priority Date: 07/02/1999
• Status: Expired due to Fees

• Current Assignee: Ninebell United Technology Company Limited
• Original Assignee: Ninebell United Technology Company Limited
• Inventors: Hsu, Yuan-Fang, Liu, Chin-Tong
• Primary Examiner(s): Vo, Nguyen T.
• Assistant Examiner(s): MEHRPOUR, NAGHMEH
• Application Number:
  US09/347,053
• Time in Patent Office: 858 Days
• Field of Search: 455/90, 455/575, 455/129, 455/117, 455/550, 343/702
• US Class Current: 455/117
• CPC Class Codes: H01Q 1/242 specially adapted for hand-held use
• CPC Class Codes: H01Q 1/245 with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
• CPC Class Codes: H01Q 1/36 Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewithH01Q1/08, H01Q1/14 take precedence
• CPC Class Codes: H01Q 1/362 for broadside radiating helical antennas
• CPC Class Codes: H01Q 1/526 Electromagnetic shields
• CPC Class Codes: H01Q 1/528 reducing the re-radiation of a support structure in a parabolic reflector antenna H01Q19/023
• CPC Class Codes: H01Q 11/08 Helical antennas
• CPC Class Codes: H01Q 17/001 for modifying the directional characteristic of an aerial

Abstract

An electromagnetic radiation protection device of a mobile phone installed at one side of an antenna of a mobile phone. The device comprises an electromagnetic wave absorbing piece, a dielectric plate, an electronic joint loop, a negative electrode lead, etc. The electromagnetic wave absorbing piece serves to absorb the electromagnetic wave toward the user'"'"'s head. Then the electromagnetic wave irradiates to the negative electrode lead of a power source through the electronic joint loop and the negative electrode lead. Thereby, the electromagnetic radiation from the mobile phone to user'"'"'s head will be reduced effectively, and the threat of brain harm is also reduced.

Claims

1. An electromagnetic radiation protection device of a mobile phone installed at one side of an antenna of a mobile phone, characterized in that:

the device comprises an electromagnetic wave absorbing piece, a dielectric plate, an electronic joint loop, a negative electrode lead, the electromagnetic wave absorbing piece is installed at the side near said antenna, said dielectric plate serves to isolate said electromagnetic wave absorbing piece and said antenna, a lower end of said electromagnetic wave absorbing piece is structure to an input of a joint of said electronic joint loop, an output of the joint of said electronic joint loop is connected to said negative electrode lead, another end of said negative electrode lead is connected to said negative electrode of the power source of a mobile phone;

in practical using, the electromagnetic radiation from the mobile phone to user'"'"'s head will be reduced effectively, and the threaten of brain harm is also reduced.

2. The electromagnetic radiation protection device of a mobile phone as claimed in claim 1, wherein said antenna includes a signaling joint, an antenna fixture, an insulating cover of the signaling joint, an antenna joint, an antenna joint, a helical antenna, said antenna is combined with said electromagnetic wave absorbing piece, said dielectric plate, said electronic joint loop, said negative electrode lead, then plastic or rubber are filled into to be assembled as a whole body.

3. The electromagnetic radiation protection device of a mobile phone as claimed in claim 1, wherein the electromagnetic radiation protection device is an external device which can be added as a peripheral device of the original antenna of said mobile phone.