| 摘要 |
PROBLEM TO BE SOLVED: To achieve differential sound input/output by small and lightweight input and output terminals high in versatility. SOLUTION: Each earth (GND) contact of an RCA pin plug and an RCA pin jack is divided in two; one side and the other side of the divided contacts are allocated to a cold (minus) signal contact 5-2 and an earth (GND) contact 5-3, respectively; and a sound signal is transmitted by an equilibrium (differential, balance) system. COPYRIGHT: (C)2008,JPO&INPIT
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