Briefly, an intelligent label is associated with a good, and includes one or more permanent and irreversible electrochromic indicators that are used to report the condition of that good at selected points in the movement or usage of that good. These electrochromic indicators provide immediate visual
Briefly, an intelligent label is associated with a good, and includes one or more permanent and irreversible electrochromic indicators that are used to report the condition of that good at selected points in the movement or usage of that good. These electrochromic indicators provide immediate visual information regarding the status of the good without need to interrogate or communicate with the electronics or processor on the intelligent label. In this way, anyone in the shipping or use chain for the good, including the end user consumer, can quickly understand whether the product is meeting shipping and quality standards. If a product fails to meet shipping or quality standards, the particular point where the product failed can be quickly and easily identified, and information can be used to assure the consumer remains safe, while providing essential information for improving the shipping process. It will be understood that the label may take many forms, such as a tag attached to the good, integrated into the packaging for the good, integrated into the good itself, or may even be an information area on a prepaid card for example. The label may also include, for example, print information regarding the good, usage or shipping rules, or address and coded information.
대표청구항▼
1. An intelligent label, comprising: a processor constructed to generate a initial power signal;a bistable electrooptic indicator coupled to the processor and capable of being transitioned from a first visual state to a second permanent and irreversible visual state by the initial power signal;a pow
1. An intelligent label, comprising: a processor constructed to generate a initial power signal;a bistable electrooptic indicator coupled to the processor and capable of being transitioned from a first visual state to a second permanent and irreversible visual state by the initial power signal;a power source; andwherein the second visual state is permanent after the initial power signal is terminated, and the second visual state is irreversible to the first visual state if a later power signal is applied. 2. The intelligent label according to claim 1, further comprising: an actuator coupled to the processor, the actuator constructed to generate an activation signal, and responsive to the activation signal, the processor generates the initial power signal. 3. The intelligent label according to claim 1, wherein the initial power signal is provided as a series of pulses. 4. The intelligent label according to claim 3, wherein polarity is reversed on at least one pulse. 5. The intelligent label according to claim 1, wherein the initial power signal is provided as a ramp. 6. The intelligent label according to claim 1, wherein the initial power signal is provided with a current limitation. 7. The intelligent label according to claim 1, wherein the initial power signal is adjusted responsive to an environmental condition. 8. The intelligent label according to claim 7, wherein the environmental condition is temperature. 9. The intelligent label according to claim 1, wherein the initial power signal is set to only partially transition the indicator. 10. The intelligent label according to claim 1, wherein the indicator is comprised of multiple segments, and the initial power signal is applied to fewer than all the segments. 11. The intelligent label according to claim 1, wherein the bistable electroptic indicator is comprised of multiple segments, and the initial power signal is applied to the segments according to a predefined priority. 12. An intelligent label, comprising: a processor;an irreversible and permanent indicator capable of being transitioned from a first visual state to a second irreversible and permanent visual state;a power source; anda state detector for determining if the indicator is in the second irreversible and permanent visual state. 13. The intelligent label according to claim 12, wherein the state detector comprises circuitry for measuring an open circuit voltage of the indicator. 14. The intelligent label according to claim 12, wherein the state detector comprises circuitry for measuring a current flow through the indicator. 15. The intelligent label according to claim 14, wherein current flow is measured when a signal at an activation voltage is applied to the indicator. 16. The intelligent label according to claim 14, wherein current flow is measured when a signal significantly lower than an activation voltage is applied to the indicator. 17. The intelligent label according to claim 12, wherein the state detector comprises an electrode coupled to the indicator and circuitry for measuring a resistance of the indicator's electrode. 18. An intelligent label, comprising: a processor;an irreversible and permanent indicator capable of being transitioned from a first visual state to a second irreversible and permanent visual state;a power source;a state detector for determining if the indicator is in the second irreversible and permanent visual state; andwherein, the processor applies a power signal to the irreversible indicator to transition the irreversible indicator from the first state to the second irreversible and permanent visual state. 19. The intelligent label according to claim 18, further including an RFID radio circuit. 20. The intelligent label according to claim 18, further including a sensor for sensing an environmental condition.
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