| US 7,458,513 B2 | ||
| IC card reading apparatus and its related method | ||
| Toshiaki Ibi, Tokyo (Japan); Shigeru Hashimoto, Tokyo (Japan); and Yoshiyasu Sugimura, Tokyo (Japan) | ||
| Assigned to Fujitsu Frontech Limited, Tokyo (Japan) | ||
| Filed on Jul. 31, 2006, as Appl. No. 11/496,732. | ||
| Application 11/496732 is a continuation of application No. PCT/JP2005/000787, filed on Jan. 21, 2005. | ||
| Claims priority of application No. 2004-025357 (JP), filed on Feb. 02, 2004. | ||
| Prior Publication US 2007/0029387 A1, Feb. 08, 2007 | ||
| Int. Cl. G06K 7/08 (2006.01) | ||
| U.S. Cl. 235—451 [235/380; 235/375; 235/449; 235/451] | 18 Claims |
| 1. An IC card reading apparatus comprising,
one or plural communication control circuits for controlling a transmission to, and receiving from, IC cards conforming to
a plurality of communication standards;
an antenna circuit for exchanging a radio signal;
a transmission power supply circuit for supplying the antenna circuit with transmission power applicable to a communication
standard of IC card as the subject of reading out thereof; a control unit for instructing the transmission power supply circuit
to supply transmission power applicable to any one of the plurality of communication standards; and
wherein said communication control circuits, at least constituted by first and second communication control circuits conforming
to first and second communication standards, synchronize a phase of transmission signal of the first communication control
circuit with a phase of transmission signal of the second communication control circuit.
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