Automatic data collection device, method and article
First Claim
1. A radio-frequency identification substrate, the substrate comprising:
- a first radio-frequency identification device;
a second radio-frequency identification device; and
a controller communicatively coupled to the first radio-frequency identification device and to the second radio-frequency identification device and configured to control the first radio-frequency identification device based at least in part on whether the second radio-frequency identification device has detected a radio-frequency signal.
1 Assignment
0 Petitions
Accused Products
Abstract
A radio frequency identification system comprises a radio-frequency identification substrate and an interrogator. In one embodiment, the radio-frequency identification substrate comprises a plurality of radio-frequency identification devices. In one embodiment, a controller on the substrate controls a first one of the plurality of radio-frequency identification devices based on a state of a second one of the plurality of radio-frequency identification devices. In one embodiment, an antenna system includes an S-shaped portion electrically coupled to an integrated circuit along a central portion of the S-shaped portion. Adjusting the parameters of the segments making up the S-shaped portion controls performance characteristics of a radio-frequency identification device.
97 Citations
51 Claims
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1. A radio-frequency identification substrate, the substrate comprising:
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a first radio-frequency identification device; a second radio-frequency identification device; and a controller communicatively coupled to the first radio-frequency identification device and to the second radio-frequency identification device and configured to control the first radio-frequency identification device based at least in part on whether the second radio-frequency identification device has detected a radio-frequency signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A radio-frequency identification system, comprising:
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an interrogator operable to produce an interrogation signal; and a substrate comprising; first means for responding to the interrogation signal; second means for responding to the interrogation signal; and means for controlling the first means for responding to the interrogation signal based at least in part on whether the second means for responding to the interrogation signal has detected a radio-frequency signal. - View Dependent Claims (26, 27, 28, 29, 30)
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31. A method of controlling a first radio-frequency identification device on a substrate, comprising:
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determining, on the substrate, a state of a second radio-frequency identification device on the substrate; generating, on the substrate, a control signal based at least in part on the determined state of the second radio-frequency identification device; and controlling the first radio-frequency identification device on the substrate based at least in part on the control signal, wherein determining the state of the second radio-frequency identification device comprises determining whether an interrogation signal has been received by the second radio-frequency identification device. - View Dependent Claims (32, 33, 34)
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35. A method of controlling a first radio-frequency identification device on a substrate, comprising:
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determining, on the substrate, a state of a second radio-frequency identification device on the substrate; generating, on the substrate, a control signal based at least in part on the determined state of the second radio-frequency identification device; controlling the first radio-frequency identification device on the substrate based at least in part on the control signal; and controlling the second radio-frequency identification device based at least in part on a state of the first radio-frequency identification device. - View Dependent Claims (36, 37, 38, 39)
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40. A method of controlling a first radio-frequency identification device on a substrate, comprising:
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determining, on the substrate, a state of a second radio-frequency identification device on the substrate, wherein determining the state of the second radio-frequency device comprises determining a state of a memory and at least one of; determining a state of a power supply; and determining whether an interrogation signal has been detected by the second radio-frequency device; generating, on the substrate, a control signal based at least in part on the determined state of the second radio-frequency identification device; and controlling the first radio-frequency identification device on the substrate based at least in part on the control signal. - View Dependent Claims (41, 42, 43, 44)
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45. A method of controlling a first radio-frequency identification device on a substrate, comprising:
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determining, on the substrate, a state of a second radio-frequency identification device on the substrate, wherein determining the state of the second radio-frequency identification device comprises determining a state of a power supply and determining whether an interrogation signal has been received by the second radio-frequency identification device; generating, on the substrate, a control signal based at least in part on the determined state of the second radio-frequency identification device; and controlling the first radio-frequency identification device on the substrate based at least in part on the control signal. - View Dependent Claims (46, 47, 48, 49, 50, 51)
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Specification