| Patent Number |
Title Of Patent |
Date Issued |
| 7466273 |
Multiband antenna using whip having independent power feeding in wireless telecommunication term |
December 16, 2008 |
| Provided is a multi-band antenna using a whip having independent power feeding in a wireless telecommunication terminal. The multi-band antenna of a wireless telecommunication terminal includes a first feed point for feeding an electric signal provided from an electric signal provider; a |
| 7123114 |
Switchable combiner and integrated combining apparatus for using it |
October 17, 2006 |
| A switchable combiner and apparatus for providing intergrated combiner unit, which can reduce problem due to frequent substitution of unit. The apparatus for providing intergrated combiner unit includes the means of; a) dividing input signal according to basic type, redundancy type or |
| 6788254 |
Wideband internal antenna with zigzag-shaped conductive line |
September 7, 2004 |
| A wideband built-in antenna in a portable terminal includes a ground plate electrically connected to a ground of the portable terminal, a radiation element for radiating radio waves, wherein the radiation element is formed into a zigzag shape having a predetermined thickness and width in |
| 6606067 |
Apparatus for wideband directional antenna |
August 12, 2003 |
| Disclosed is a wideband directional antenna in a wireless communication service, comprising at least one radiation element, wherein the radiation element includes at least one loop, wherein one feeding point of the loop is connected to feeder and the other feeding point is connected to a |
| 6285340 |
Helical antenna for portable phones and manufacturing method thereof |
September 4, 2001 |
| A helical antenna having a simple structure and being made of cheap conductor to reduce the manufacturing cost, and a manufacturing method thereof. A helical antenna comprises a dielectric core, a conductive strip, a feeding conductor, and an external circuit. The dielectric core has |
| 6262639 |
Bandpass filter with dielectric resonators |
July 17, 2001 |
| The bandpass filter according to the present invention includes a housing having a plurality of cavities, wherein said plurality of cavities are isolated from each other by partitions and wherein each said partition have a coupling window; input/output connectors formed at both ends of |
| 6239768 |
Dual band retractable antenna system with capacitive coupling |
May 29, 2001 |
| Dual band retractable antenna system with capacitive coupling includes a helical antenna for operating at stand-by mode, the helical having 1/4 wavelength; a whip, which penetrates the helical, for operating at busy mode, the whip having 1/4 wavelength; a stopper for catching the whip wh |
| 6208203 |
Low-noise amplifier |
March 27, 2001 |
| A low-noise amplifier which is equipped with at least one redundancy circuit which is connected in parallel to an amplifying circuit, so that the low-noise amplifier operates without a significant signal loss even when an abnormality takes place in the amplifying circuit and the ampl |
