发明名称 PORTABLE COMMUNICATION EQUIPMENT
摘要 <P>PROBLEM TO BE SOLVED: To enhance the operation convenience of portable communication equipment having a demountable antenna. <P>SOLUTION: In conducting pen input by removing the removable antenna from an equipment body, field intensity at the location and the demounting state of the antenna are discriminated. A warning is generated stepwise based on the discrimination result. To improve operability in total darkness, by brightening an input pen at its extreme section, a neighborhood involved in input operation with the pen and the operation section of the equipment body of the other equipment are illuminated. <P>COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2004363963(A) 申请公布日期 2004.12.24
申请号 JP20030160171 申请日期 2003.06.05
申请人 HITACHI LTD 发明人 SATO TAKASHI;KAWAMURA TOSHIMASA
分类号 H01Q1/44;H01Q1/24;H01Q9/32;H04B1/38;H04B1/40;H04B7/26;H04M1/02 主分类号 H01Q1/44
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