RF systems and methods for providing visual, tactile, and electronic indicators of an alarm condition
First Claim
Patent Images
1. A Radio Frequency Identification (RFID) tag, comprising:
- an activation circuit for waking the RFID tag from a low power hibernate state;
a controller for setting an alarm state upon occurrence of an alarm condition;
a visual display device under control of the controller, the visual display device providing a visual indicator of the alarm condition when the alarm state is set; and
a non-volatile memory for storing indications of multiple alarm states and time data associated with the indications of the alarm states,wherein the visual indicator of the alarm condition can only be reset by an authorized entity.
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Abstract
A Radio Frequency Identification (RFID) tag according to one embodiment includes a controller for setting one or more alarm states upon occurrence of one or more alarm conditions, and a visual display device under control of the controller, the visual display device providing a visual, audible, and/or tactile indicator of an alarm condition when an alarm state is set. The visual, audible, and/or tactile indicator of the alarm condition optionally can only be reset by an authorized entity, or cannot be reset.
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Citations
50 Claims
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1. A Radio Frequency Identification (RFID) tag, comprising:
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an activation circuit for waking the RFID tag from a low power hibernate state; a controller for setting an alarm state upon occurrence of an alarm condition; a visual display device under control of the controller, the visual display device providing a visual indicator of the alarm condition when the alarm state is set; and a non-volatile memory for storing indications of multiple alarm states and time data associated with the indications of the alarm states, wherein the visual indicator of the alarm condition can only be reset by an authorized entity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 33, 34)
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18. A Radio Frequency Identification (RFID) tag comprising:
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a controller of the RFID tag for setting an alarm state upon occurrence of an alarm condition; a visual display device under control of the controller, the visual display device providing A visual indicator of the alarm condition when the alarm state is set, wherein the visual indicator of the alarm condition cannot be rest. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 35, 36)
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37. A Radio Frequency Identification (RFID) tag, comprising:
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a controller for setting an alarm state upon occurrence of an alarm condition; at least one indicator selected from a group consisting of a tactile indicator, an audible output device, and a visual output device under control of the controller, the indicator providing an indication of the alarm condition when the alarm state is set; and wherein the alarm state is set by the RFID tag if the RFID tag detects a signal from an RFID interrogator and the RFID tag does not receive a response from the RFD interrogator that the RFID tag was detected by the RFID interrogator. - View Dependent Claims (38, 39)
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40. A Radio Frequency Identification (RFD) tag, comprising:
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an activation circuit for waking the RFID tag from a low power hibernate state; a controller for setting an alarm state upon occurrence of an alarm condition; a sensor for detecting an environmental condition or a condition of an object to which attached, the controller setting the alarm state based on an output of the sensor; non-volatile memory for storing several sensor readings, several indications of alarm conditions, time data associated with at least one of the sensor readings and the alarm conditions, indications of the alarm states, and time data associated with the indications of the alarm states; at least one of an audible output device, a. visual output device, and a tactile display device under control of the controller, the at least one output device providing an indicator of the alarm condition when the alarm state is set, wherein the indicator of the alarm condition can only be reset by an authorized entity if the indicator of the alarm condition is resettable, wherein the RFID tag enters the hibernate state between taking readings of the sensor.
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41. A method for visually and electronically indicating occurrence of an alarm condition, the method comprising:
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periodically exiting a hibernate state to detect data relating to an alarm condition; storing the data in a non-volatile memory and at least one of a time and a date associated with the data, thereby generating historic data; setting an alarm state upon determining occurrence of the alarm condition, wherein the determination of occurrence of the alarm condition is based on the historic data; generating a visual indicator of the alarm condition based on the historic data, receiving an electronic query from an RFD interrogator; in response to the electronic query from the RFID interrogator, transmitting an electronic indication of the alarm condition to the interrogator, wherein the visual indicator of the alarm condition can only be reset by an authorized entity. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50)
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Specification