Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nec Tokin CorpfiledCriticalNec Tokin Corp
Priority to MYPI9902970priorityCriticalpatent/MY117050A/en
Publication of MY117050ApublicationCriticalpatent/MY117050A/en
IN AN ANTENNA FOR USE IN A MOBILE COMMUNICATION APPARATUS AND HAVING A HELICAL ANTENNA ELEMENT (40) OF A HELICAL SHAPE, THE HELICAL ANTENNA ELEMENT (40) IS MOUNTED ON A FLEXIBLE SUBSTRATE (1) ROUNDED TO FORM A CYLINDRICAL SHAPE. THE HELICAL ANTENNA ELEMENT (40) HAS A PLURALITY OF OBLIQUE CONDUCTIVE PATTERNS (4) EXTENDING ALONG THE FLEXIBLE SUBSTRATE AND ELECTRICALLY CONNECTED TO ONE ANOTHER AT THEIR TERMINAL ENDS TO FORM THE HELICAL SHAPE. THE OBLIQUE CONDUCTIVE PATTERNS (4) HAVE A SIMILAR PITCH THEREBETWEEN.FIGURE 6
MYPI99029701999-07-141999-07-14Antenna having a helical antenna element extending along a cylindrical flexible substrate
MY117050A
(en)