Antennaless wireless device capable of operation in multiple frequency regions

Antennaless wireless device capable of operation in multiple frequency regions

  • CN 102,084,542 B
  • Filed: 07/31/2009
  • Issued: 01/22/2014
  • Est. Priority Date: 08/04/2008
  • Status: Active Grant
First Claim
Patent Images

1. the wireless handheld without antenna or portable unit (100), it comprises:

  • Subscriber interface module (101),Processing module (102),Memory module (103),Communication module (104) andPower management module (105);

    Described communication module (104) comprises and can in first frequency scope and second frequency scope, transmit and receive the radiating system (230) of electromagnetic wave signal, and the highest frequency of wherein said first frequency scope is lower than the low-limit frequency of described second frequency scope;

    Described radiating system (230) comprising;

    irradiation structure (231), radio system (232) and outside port (203);

    This irradiation structure (231) comprises the first radiation intensification device (151a,

         204), the second radiation intensification device (151b,

         234), the first internal port (208), the second internal port (238) and ground plan layer (152,206);

    Described ground plan layer (152,206) can be supported at least one radiation mode;

    Described ground plan layer (152,206) comprises at least two tie points (207);

    Described the first radiation intensification device (151a,

         204) and described the second radiation intensification device (151b,

         234) coupling are from the electromagnetic energy of described ground plan layer (152,206) or electromagnetic energy is coupled to described ground plan layer (152,206);

    Described the first radiation intensification device (151a,

         204) comprises the first tie point (205);

    Described the second radiation intensification device (151b,

         234) comprises the second tie point (235);

    Wherein the internal port (208) of irradiation structure (231) is limited between a tie point at least two tie points (207) of described the first radiation intensification device (151a,

         204) and ground plan layer (152,206);

    Wherein said ground plan layer (152,206) there is relevant ground plan rectangle (450), described ground plan rectangle (450) is defined as and comprises described ground plan layer (152,206) rectangle of size minimum, at least one point of the side of described like this ground plan rectangle (450) and described ground plan layer (152,206) is tangent;

    Described radio system (232) comprises first port (209) of described the first internal port (208) that is connected to described irradiation structure (231), second port (239) of the second internal port (238) that is connected to described irradiation structure (231) and the 3rd port (210) that is connected to the described outside port (203) of described radiating system (230);

    Wherein, in the situation that described irradiation structure (231) disconnects from described radio system (232), for any frequency of described first frequency scope, in the imaginary part of described the first internal port and the input impedance located at described the second internal port (208,238), be not equal to 0;

    And wherein said radio system (232) changes the impedance of described irradiation structure (231), thereby for described radiating system (230), provide impedance matching within the scope of the described first frequency scope of moving in described radiating system and described second frequency;

    AndWherein the first and second radiation intensification devices (151a, 151b, 204,234) have 1/30 the full-size that is less than the vacuum wavelength corresponding with the low-limit frequency of described first frequency scope.

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