发明名称 A TELEPHONE FOR AN AGED PERSON
摘要 PURPOSE: A telephone for an aged person is provided to alternatively output ring tone of frequency band suitable to auditory characteristic of each user, thereby easily confirming a call alarm. CONSTITUTION: A ring tone output unit(30) alternatively outputs ring tone of at least two kinds of frequency bands. A ring tone control unit(40) controls a ring tone output unit. The main control unit(70) applies a control signal to the ring tone control unit, based on an input signal through a transceiver unit(14). The ring tone of at least 2 kinds of frequency bands is a ring tone of low frequency band suitable to auditory characteristic of an aged person and high frequency band suitable to auditory characteristic of a general person.
申请公布号 KR20100024191(A) 申请公布日期 2010.03.05
申请号 KR20080082938 申请日期 2008.08.25
申请人 KNU-INDUSTRY COOPERATION FOUNDATION 发明人 KIM, MYUNG DONG;SEO, DONG WAN;PARK, EUN HEE;CHO, JEA WON
分类号 H04M1/60;H04M1/00 主分类号 H04M1/60
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