| 摘要 |
An accessory for signal repeater is provided to transmit and receive normally data between an advanced credit card smaller than a credit card of a general strip type and a card terminal by relaying a propagation signal. An accessory for signal repeater includes a substrate having a resonance circuit. The accessory includes a substrate. An antenna pattern for signal repeater and a resonance circuit are formed in the substrate. The resonance circuit is connected with the antenna pattern for signal repeater in order to amplify a received signal and to propagate the amplified signal. The accessory for signal repeater is used for relaying transmitting and receiving signals between a card terminal and an RF type credit card(200). The substrate is composed of a flexible printed circuit board. The accessory includes a reception part for receiving an RF type credit card.
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