Appeal No. 1997-2455 Application 08/318,235 consideration as part of a restriction requirement. Claims 5 through 11, 56 through 62 and 72 have been canceled. The invention relates to an electronic identification tag. On page 12 of the specification, Appellants identify that the tag communicates with a reader when the tag detects the presence of a carrier signal. As described in the Appellants' specification on page 2, the carrier signal provides both information and power to the tag. Appellants describe on page 13 of the specification that a communications coupling is made by an alternating magnetic field, which is detected by a transducer in the tag. As Appellants identify on page 14 of the specification, the transducer “is a resonant device which must be tuned electrically to achieve maximum power transfer between reader and tag.” Further, on page 15 of the specification, the Appellants identify that the frequency of the carrier signal is measured and used to tune the transducer. The tag also contains a modulator connected across the transducer to generate messages to be transmitted to the reader. The modulator is shown in figure 5, and is described on pages 26 and 27 of Appellants’ specification as generating a waveform by placing across the transducer either: 2Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007