Oscillator coupled to an antenna and an application

Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Radar transponder only

Reexamination Certificate

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Details

C342S042000, C342S082000, C342S089000, C342S175000, C342S194000

Reexamination Certificate

active

07106246

ABSTRACT:
A radio frequency device has an antenna for capturing an incoming signal for processing by the device or for radiating an outgoing signal from the device and a signal processor having one or more synchronous oscillators responsive to an input signal for providing an amplified output signal without using much power. An application is a radio frequency (RF) transponder (tag) for receiving an RF signal from an interrogator includes a tag antenna for receiving the RF signal from the interrogator and a receiver section connected to the tag antenna wherein the receiver consumes a significantly lower amount of power than conventional receiver technologies by using one or more synchronous oscillators.

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