Method and system for determining the condition of a time-temperature indicator
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-017/00
G01K-003/04
G01K-015/00
G01N-031/22
출원번호
US-0577191
(2009-10-11)
등록번호
US-9835498
(2017-12-05)
발명자
/ 주소
Haarer, Dietrich
Lévy, Yoav
출원인 / 주소
FRESHPOINT QUALITY ASSURANCE LTD.
대리인 / 주소
Browdy and Neimark, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
A device is presented for use in controlling the quality of a perishable object, while progressing on its supply line, by monitoring the condition of a time-temperature indicator (TTI) associated with the object. The device comprises a sensing assembly for detecting a response of the TTI to a predet
A device is presented for use in controlling the quality of a perishable object, while progressing on its supply line, by monitoring the condition of a time-temperature indicator (TTI) associated with the object. The device comprises a sensing assembly for detecting a response of the TTI to a predetermined stimulus and generating measured data representative thereof, said measured data being indicative of the condition of the TTI, thereby enabling the determination of the remaining shelf life of the TTI and thereby any perishable good to which it is attached and calibrated.
대표청구항▼
1. A system for monitoring a monitored object while progressing on a supply chain, the monitored object being a perishable good, the system comprising an identification object physically associated with the monitored object, wherein said identification object comprises a time-temperature indicator (
1. A system for monitoring a monitored object while progressing on a supply chain, the monitored object being a perishable good, the system comprising an identification object physically associated with the monitored object, wherein said identification object comprises a time-temperature indicator (TTI) to assess the freshness status of the perishable good, the system further comprising a plurality of nodes, the monitored object being monitored at a plurality of said nodes and the monitored object being progressed between said plurality of nodes forming the supply chain, wherein physical control of said monitored object changes at each node, each node comprising: a. sensing assembly for detecting a response of the TTI to a predetermined stimulus, which response is indicative of the full time-temperature history the TTI has experienced, and generating measured data representative of said response, such that said measured data is quantitatively indicative of the condition of the TTI, and thus the freshness status of the perishable good being monitored;b. a communication utility in communication with said sensing assembly for translating said measured data into an output signal providing a quantitative indication of the freshness status of the perishable good being monitored;c. a control unit, communicating with said communication utility, said control unit comprising a data processing and analyzing utility for determining the remaining shelf life of the monitored perishable good at a given temperature according to the value of said output signal received from said communication utility, the determination of remaining shelf life being accomplished without the requirement of knowledge of the starting time of the perishable good into the supply chain; andd. a controller for determining whether the remaining shelf life of the monitored object is sufficient for progressing the monitored object from a current node to a subsequent node in the supply chain according to a handshake protocol, wherein the monitored object is transferred from said current node to said subsequent node according to the remaining shelf life. 2. The system of claim 1, wherein said identification object is selected from the group consisting of a label, a tag and packaging material. 3. The system of claim 2, wherein said sensing assembly comprises a light source generating predetermined incident light, and a light detector, and wherein the detected response includes a light response of the TTI to said predetermined incident light. 4. The system of claim 3, wherein said light detector measures spectral data. 5. The system of claim 3, wherein said light response is in the form of certain color saturation. 6. The system of claim 3, wherein said light response includes reflections of the incident light. 7. The system of claim 3, wherein said light response includes light transmitted through the TTI. 8. The system of claim 3, wherein said incident light is in a visible spectral range. 9. The system of claim 8, wherein said light source is a flash lamp. 10. The system of claim 1, wherein said sensing assembly and said communication utility are located remotely from said control unit. 11. The system of claim 1, wherein the supply chain is a chill chain. 12. The system of claim 11, wherein said identification object is printed upon the monitored object itself. 13. The system of claim 11, wherein said communication utility produces said output signal in the form of at least one of electrical, optical, RF and acoustic signal. 14. The system of claim 1, wherein said identification object comprises a machine readable pattern, at least one feature thereof being configured as said TTI. 15. The system of claim 11, wherein said controller determines at least a minimum remaining shelf-life according to said handshake protocol, such that the monitored object is not progressed along the supply chain if said minimum remaining shelf-life is not met. 16. The system of claim 15, wherein said data processing and analyzing utility determines a quantitative measurement of said remaining shelf-life and wherein said controller determines at least said minimum remaining shelf-life according to said quantitative measurement. 17. The system of claim 16, wherein said controller determines at least a minimum shelf life according to said quantitative measurement. 18. The system of claim 17, further comprising a receiving party at an end node at the end of the supply chain, said receiving party determining whether to accept the monitored object. 19. The system of claim 18, wherein said receiving party comprises an end customer for purchasing the monitored object and for visually inspecting the TTI to determine the remaining shelf life at a given temperature according to said status of the TTI. 20. The system of claim 18, wherein said receiving party comprises a supermarket. 21. The system of claim 1, wherein said supply chain comprises a plurality of physically separated facilities, such that said plurality of nodes comprises at least two different physically separated facilities, wherein said controller determines whether the remaining shelf-life of the monitored object is sufficient for physically progressing the monitored object from a current node to a subsequent node in the supply chain. 22. The system of claim 14, wherein at least one node further comprises a machine-readable pattern reader for reading the pattern on said identifying object to identify the monitored object. 23. A system for monitoring a monitored object while progressing on a supply chain, the monitored object being a perishable good, the system comprising an identification object physically associated with the monitored object, wherein said identification object comprises a time-temperature indicator (TTI) to assess the freshness status of the perishable good, the system further comprising a plurality of nodes, the monitored object being monitored at a plurality of said nodes and the monitored object being progressed between said plurality of nodes forming the supply chain, wherein physical control of said monitored object changes at each node, each node comprising: a. sensing assembly for detecting a response of the TTI to a predetermined stimulus, which response is indicative of the full time-temperature history the TTI has experienced, and generating measured data representative of said response, such that said measured data is quantitatively indicative of the condition of the TTI, and thus the freshness status of the perishable good being monitored;b. a communication utility in communication with said sensing assembly for translating said measured data into an output signal providing a quantitative indication of the freshness status of the perishable good being monitored;c. a control unit, communicating with said communication utility, said control unit comprising a data processing and analyzing utility for determining the remaining shelf life of the monitored perishable good at a given temperature according to the value of said output signal received from said communication utility, the determination of remaining shelf life being accomplished without the requirement of data other than said output signal corresponding to said measured data; andd. a controller for determining whether the remaining shelf life of the monitored object is sufficient for progressing the monitored object from a current node to a subsequent node in the supply chain according to a handshake protocol, wherein the monitored object is transferred from said current node to said subsequent node according to the remaining shelf life.
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