Electronic detection system for detecting a responder including a frequency divider
First Claim
1. In an electronic detection system, comprising:
- transmitter means for generating an interrogation field, said transmitter means being coupled with at least one transmitting antenna coil;
responder means including a receiving coil for receiving a signal having a signal frequency and a transmitting coil for transmitting a signal in response to said interrogation field; and
receiver-and-detector means coupled with at least one receiving antenna coil for receiving and further processing the signal transmitted by said responder means;
the improvement wherein said receiving coil and said transmitting coil of said responder means are arranged in parallel to each other, and said responder means comprises a frequency divider connected between said receiving coil and said transmitting coil and arranged to divide the signal frequency received by a factor of N≧
4.
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Accused Products
Abstract
In an electronic detection system comprising a transmitter for generating an interrogation field, said transmitter being coupled with at least one transmitting antenna coil; a responder with a receiving coil and a transmitting coil for transmitting a signal in response to said interrogation field; and a receiver-and-detector coupled with at least one receiving antenna coil for receiving and further processing the signal transmitted by said responder; the improvement which consists in that said receiving coil and said transmitting coil of said responder are arranged in parallel to each other, and that said responder comprises a frequency divider connected between said receiving and transmitting coil and arranged to divide the signal frequency received by a factor N≧4.
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Citations
20 Claims
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1. In an electronic detection system, comprising:
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transmitter means for generating an interrogation field, said transmitter means being coupled with at least one transmitting antenna coil; responder means including a receiving coil for receiving a signal having a signal frequency and a transmitting coil for transmitting a signal in response to said interrogation field; and receiver-and-detector means coupled with at least one receiving antenna coil for receiving and further processing the signal transmitted by said responder means; the improvement wherein said receiving coil and said transmitting coil of said responder means are arranged in parallel to each other, and said responder means comprises a frequency divider connected between said receiving coil and said transmitting coil and arranged to divide the signal frequency received by a factor of N≧
4. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification