| 摘要 |
<p>A relay circuit comprise first and second relays (6, 7) having respective terminals (c) at which positive cross-talk of a signal of positive polarity is produced when the other terminals (b) to which the positive polarity signal is applied are in the make and break states, respectively, and third and fourth relays (8, 9) having respective terminals (c) at which negative cross-talk of a signal of negative polarity is produced when the other terminals (b) to which the negative polarity signal is applied are in the make and break states, respectively, wherein with regards to the terminals (c) where the cross-talk occurs, the first and fourth relays are connected to each other and said second and third relays are connected to each other, respectively. </p> |
