RF systems and methods for providing visual, tactile, and electronic indicators of an alarm condition
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G08B-017/00
G08B-025/00
G06K-019/07
G06K-019/077
G08B-013/24
A61J-001/14
출원번호
US-0423695
(2006-06-12)
등록번호
US-8830072
(2014-09-09)
발명자
/ 주소
Batra, Naresh
Schlicht, Lauren Marie
출원인 / 주소
Intelleflex Corporation
대리인 / 주소
Zilka-Kotab, PC
인용정보
피인용 횟수 :
0인용 특허 :
34
초록▼
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/
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.
대표청구항▼
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
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; anda 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. 2. An RFID tag as recited in claim 1, further comprising 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, wherein the RFID tag enters the hibernate state between taking readings of the sensor, wherein readings from the sensor are stored in the non-volatile memory. 3. An RFID tag as recited in claim 2, wherein the environmental condition is selected from a group consisting of temperature, humidity, Ph, sunlight, ultraviolet light, chemicals, radioactivity, pathogens, presence of bacteria, presence of viruses, presence of prions, carbon dioxide level, and combinations thereof. 4. An RFID tag as recited in claim 1, wherein the alarm condition is based on an amount of time that a sensor reading or readings surpass a threshold. 5. An RFID tag as recited in claim 1, wherein setting the alarm state includes setting an alarm flag, wherein the alarm flag is one or more bits stored in a memory of the RFID tag. 6. An RFID tag as recited in claim 1, wherein the visual indicator remains displayed by the visual display device in the absence of power to the visual display device. 7. An RFID tag as recited in claim 1, wherein the alarm condition is an exception. 8. An RFID tag as recited in claim 1, wherein the alarm state is set if the RFID tag goes out of range of an RFID interrogator or defined set of interrogators. 9. An RFID tag as recited in claim 1, wherein the alarm state is set if the RFID tag determines that it was not detected by an RFD interrogator. 10. An RFID tag as recited in claim 1, wherein the visual display device includes at least one of an electronic display device, a mechanical display device, and a tactile display device. 11. An RFID tag as recited in claim 1, wherein the alarm condition is based on a presence of the RFID tag in a defined area as determined by the tag. 12. An RFID tag as recited in claim 1, wherein multiple alarm states are set upon detecting multiple alarm conditions. 13. An RFID tag as recited in claim 1, further comprising a sensor and non-volatile memory, wherein the nm-volatile memory has sufficient capacity to store several sensor readings. 14. An RFID tag as recited in claim 1, wherein the alarm condition is based on historical data rather than instantaneous data. 15. A Radio Frequency Identification (RFID) system, comprising: a plurality of RFID tags as recited in claim 1; andan RFID interrogator in communication with the RFID tags. 16. An RFID tag as recited in claim 1, wherein the tag communicates with a remote device via radio frequency signals at a frequency of 860-960 MHz and/or 2.4 GHz to 2.5 GHz. 17. An RFID tag as recited in claim 16, further comprising 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, wherein the RFID tag enters the hibernate state between taking readings of the sensor, wherein readings from the sensor are stored in the non-volatile memory; wherein multiple alarm states are set upon detecting multiple alarm conditions; wherein at least one of the alarm conditions is based on historical data rather than instantaneous data. 18. A Radio Frequency Identification (RFID) tag comprising: 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. 19. An RFID tag as recited in claim 18, further comprising 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, wherein the visual indicator of the alarm condition cannot be reset by any entity. 20. An RFID tag as recited in claim 19, wherein the environmental condition is selected from a group consisting of temperature, humidity, Ph, sunlight, ultraviolet light, chemicals, radioactivity, pathogens, presence of bacteria, presence of viruses, presence of prions, carbon dioxide level, and combinations thereof, wherein the alarm condition is based on a temporal amount of time that a sensor reading or readings surpass a threshold. 21. An RFID tag as recited in claim 18, further comprising an activation circuit for waking the RFID tag from a low power hibernate state. 22. An RFID tag as recited in claim 18, wherein setting the alarm state includes setting an alarm flag, wherein the alarm flag is one or more bits stored in a memory of the RIAD tag. 23. An RFID tag as recited in claim 18, wherein the visual indicator remains displayed by the visual display device in the absence of power to the visual display device. 24. An RFID tag as recited in claim 18, further comprising a non-volatile memory for storing indications of multiple alarm states wherein the non-volatile memory also stores time data associated with the indications of the alarm states. 25. An RFID tag as recited in claim 18, wherein the alarm state is set if the RFID tag goes out of range of an RFID interrogator or defined set of interrogators. 26. An RFID tag as recited in claim 18, wherein the alarm state is set if the RFID tag determines that it was not detected by an RFID interrogator. 27. An RFD tag as recited in claim 18, wherein the visual display device includes at least one of an electronic display device, a mechanical display device, and a tactile display device. 28. An RFID tag as recited in claim 18, wherein the alarm condition is based on a presence of the RFID tag in a defined area as determined by the tag. 29. An RFID tag as recited in claim 18, wherein multiple alarm states are set upon detecting multiple alarm conditions. 30. A Radio Frequency Identification (RFID) system, comprising: a plurality of RFID tags as recited in claim 18; andan RFID interrogator in communication with the RFID tags. 31. An RFID tag as recited in claim 18, wherein the tag communicates with a remote device via radio frequency signals at a frequency of 860-960 MHz and/or 2.4 GHz to 2.5 GHz. 32. An RFID tag as recited in claim 31, further comprising 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, wherein the RFID tag enters the hibernate state between taking readings of the sensor, wherein readings from the sensor are stored in the non-volatile memory; wherein multiple alarm states are set upon detecting multiple alarm conditions; wherein at least one of the alarm conditions is based on historical data rather than instantaneous data. 33. An RFID tag as recited in claim 1, wherein the controller is configured to set multiple alarm states upon detecting multiple alarm conditions, wherein at least one of the alarm conditions is based on a temporal amount of time that output or outputs of the sensor surpass a threshold, wherein at least another of the alarm conditions is based on historical data rather than instantaneous data. 34. An RFID tag as recited in claim 33, further comprising 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, wherein the RFID tag enters the hibernate state between taking readings of the sensor, wherein readings from. the sensor are stored in the non-volatile memory; wherein multiple alarm states are set upon detecting multiple alarm conditions; wherein at least one of the alarm conditions is based on historical data rather than instantaneous data. 35. An RFID tag as recited in claim 18, wherein the controller is configured to set multiple alarm states upon detecting multiple alarm conditions, wherein at least one of the alarm conditions is based on a temporal amount of time that output or outputs of the sensor surpass a threshold, wherein at least another of the alarm conditions is based on historical data rather than instantaneous data. 36. An RFD tag as recited in claim 35, further comprising 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, wherein the RFID tag enters the hibernate state between taking readings of the sensor, wherein readings from the sensor arc stored in the non-volatile memory; wherein multiple alarm states are set upon detecting multiple alarm conditions;wherein at least one of the alarm conditions is based on historical data rather than instantaneous data. 37. A Radio Frequency Identification (RFID) tag, comprising: 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; andwherein 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. 38. An RFID tag as recited in claim 37, further comprising an activation circuit for waking the RFID tag from a low power hibernate state, and further comprising a sensor for detecting an environmental condition or a condition of an object to which attached, and further comprising non-volatile memory for storing several sensor readings, several indications of alarm conditions, and time data associated with at least the alarm conditions, the controller setting the Mann state based on an output of the sensor. 39. A Radio Frequency Identification (RFID) system, comprising: a. plurality of RFID tags as recited in claim 37; andan RFID interrogator in communication with the RFID tags. 40. A Radio Frequency Identification (RFD) 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 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. 41. A method for visually and electronically indicating occurrence of an alarm condition, the method comprising: 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. 42. A method as recited in claim 41, further comprising detecting an environmental condition or a condition of an object to which attached, and setting the alarm state based on an output of a sensor, wherein the alarm condition is based on a temporal amount of time that output or outputs of the sensor surpass a threshold. 43. A method as recited in claim 42, wherein the environmental condition is selected from a group consisting of temperature, humidity, Ph, sunlight, ultraviolet light, chemicals, radioactivity, pathogens, presence of bacteria, presence of viruses, presence of prions, carbon dioxide level, and combinations thereof. 44. A method as recited in claim 41, further comprising storing indications of multiple alarm states in the non-volatile memory and storing time and/or date data associated with the indications of the alarm states in the non-volatile memory. 45. A method as recited in claim 41, wherein the visual indicator remains displayed in the absence of power to a visual display device displaying the visual indicator. 46. A method as recited in claim 41, wherein the alarm condition is set when the RFID tag determines that it was not detected by an RFID interrogator. 47. A method as recited in claim 41, wherein the visual indicator is displayed by a mechanical display device. 48. A method as recited in claim 41, wherein the alarm condition is based on a presence of the RFID tag in a defined area as determined by the tag. 49. A method as recited in claim 41, wherein the interrogator detects the alarm condition and instructs an RFID tag to set the alarm state. 50. A Radio Frequency Identification (RFID) system, comprising: a plurality of RE 11) tags, each tag performing the method of claim 41; andan RFID interrogator in communication with the RFID tags.
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