| 摘要 |
<p>Identification terminal extension for contactless authorization to realize direct computer transactions, particularly bank transactions; said identification terminal extension can be connected to a computer terminal and comprises a read unit including a radio-frequency transmitter (2) of low coverage and an aerial (4), further a code transmitter (5) incorporated in a carrier means and sending an independent, periodically programmed data sequence. The code transmitter (5) is made without electric power source and is embedded in insulating material of the carrier means and is supplied and operated by the radio-frequency energy sent periodically by the aerial (4) of the read unit. The data sequence programmed into the code transmitter (5) includes the given individual access codes and/or keywords which are written into the ROM of the code transmitter (5) during manufacturing.</p> |
