Signal transceiver
First Claim
1. A signal transceiver for transmitting a carrier signal to a transponder and receiving a modulated data signal returned by said transponder, comprising:
- a transistor with a base, a collector and an emitter;
a controller being electrically connected to said base and providing a controlling signal for turning on said transistor;
an oscillation source being electrically connected to said collector for providing said carrier signal;
a capacitor being electrically connected to said base and said oscillation source for forming an oscillation circuit; and
a resonator being electrically connected to said collector for transmitting said carrier signal to said transponder and receiving said modulated data signal returned by said transponder, and outputting a demodulated data signal through said emitter.
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Accused Products
Abstract
A signal transceiver for transmitting a carrier signal to a transponder and receiving a modulated data signal returned by the transponder is provided. The signal transceiver includes a transistor with a base, a collector and an emitter, a controller being electrically connected to the base and providing a controlling signal for turning on the transistor, an oscillation source being electrically connected to the collector for providing the carrier signal, a capacitor being electrically connected to the base and the oscillation source for forming an oscillation circuit, and a resonator being electrically connected to the collector for transmitting the carrier signal to the transponder and receiving the modulated data signal returned by the transponder, and outputting a demodulated data signal through the emitter.
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Citations
15 Claims
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1. A signal transceiver for transmitting a carrier signal to a transponder and receiving a modulated data signal returned by said transponder, comprising:
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a transistor with a base, a collector and an emitter;
a controller being electrically connected to said base and providing a controlling signal for turning on said transistor;
an oscillation source being electrically connected to said collector for providing said carrier signal;
a capacitor being electrically connected to said base and said oscillation source for forming an oscillation circuit; and
a resonator being electrically connected to said collector for transmitting said carrier signal to said transponder and receiving said modulated data signal returned by said transponder, and outputting a demodulated data signal through said emitter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A signal transceiver for transmitting a carrier signal to a transponder and receiving a modulated data signal returned by said transponder, comprising:
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a transistor with a base, a collector and an emitter;
a controller being electrically connected to said base and providing a controlling signal for turning on said transistor;
an oscillator being electrically connected to said base for providing an oscillation frequency for said carrier signal; and
a resonator being electrically connected to said collector for transmitting said carrier signal to said transponder and receiving said modulated data signal returned by said transponder, and outputting a demodulated data signal through said emitter. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification