发明名称 NOISE CANCELER, AND HIGH-FREQUENCY RECEIVER AND PORTABLE DEVICE EACH USING THE SAME
摘要 <P>PROBLEM TO BE SOLVED: To prevent degradation in television reception sensitivity due to a noise signal caused by a noise signal source in a portable device. Ž<P>SOLUTION: A noise canceler includes: a pickup antenna 133 which extracts the noise signal output from the noise occurrence source in the mobile device 101, and a noise canceling unit 137 which is supplied with a signal from a television receiving antenna 117 at one input, and also supplied with the noise signal from the pickup antenna 133 at the other input, and the noise canceling unit 137 cancels the noise signal reaching the television receiving antenna 117. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2009246936(A) 申请公布日期 2009.10.22
申请号 JP20080236083 申请日期 2008.09.16
申请人 PANASONIC CORP 发明人 FUJISHIMA AKIRA;ITO HIDEYUKI;MATSUI GIICHI;KITAMURA KOICHI;YASUDA MASAKATSU;SATO MASAMI
分类号 H04B1/10;H04N5/44 主分类号 H04B1/10
代理机构 代理人
主权项
地址