Perishable product electronic label including time and...

Details Perishable product electronic label including time and... Perishable product electronic label including time and...

2007-07-24

2007-07-24

Nguyen, Hung (Department: 2612)

Communications: electrical

Systems

Timer control

C340S309700, C340S539190, C340S584000, C340S588000, C340S870170

Reexamination Certificate

active

11221540

ABSTRACT:
An electronic assembly may be contained in a label that performs time-temperature integration (TTI) and indicates that time and/or temperature levels have been reached that may compromise the quality, shelf life, or safety of the item to which the label is affixed. The label may be used on a wide variety of objects that require careful handling in terms of temperature and/or time elapsed before use. The labeling system includes circuitry that measures and calculates, and indicator(s) that signal that the time has come for discounted sale, and, later, that the time has come for disposal rather than sale.

REFERENCES:
patent: 5442669 (1995-08-01), Medin
patent: 5802015 (1998-09-01), Rothschild et al.
patent: 5835553 (1998-11-01), Suzuki
patent: 6337836 (2002-01-01), Eidelson
patent: 6557760 (2003-05-01), Goodwin, III
patent: 6795376 (2004-09-01), Quine

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