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Antenna system comprising driver circuits for transponder

  • US 6,150,986 A
  • Filed: 06/15/1998
  • Issued: 11/21/2000
  • Est. Priority Date: 08/16/1995
  • Status: Expired due to Fees
First Claim
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1. A transponder for receiving high frequency energy which is wirelessly transferred and for wirelessly transmitting information, comprising:

  • an antenna for receiving and transmitting;

    an energy storage unit connected to the antenna for storing high frequency energy which is transferred wirelessly to the transponder and is received on the antenna; and

    a control and transmission unit for transferring an information signal to the antenna to be transmitted from the antenna using energy stored in the energy storage unit,wherein the antenna comprises at least two separate antenna portions, each one of which is arranged for wireless receiving and wireless transmitting, has a direction in which the efficiency for receiving is at a maximum and works independently of the other antenna portions, the directions being arranged in angular relation to each other.

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