System and apparatus for detecting and communicating a...

Details System and apparatus for detecting and communicating a... System and apparatus for detecting and communicating a...

2000-09-05

2001-09-04

Lee, Benjamin C. (Department: 2632)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S665000, C340S686100, C340S572100

Reexamination Certificate

active

06285282

ABSTRACT:

FIELD OF THE INVENTION
This invention relates in general to wireless communication systems, and more specifically to a system and apparatus for detecting and communicating a freshness of a perishable product.
BACKGROUND OF THE INVENTION
Perishable products, such as fresh produce, meat, and fish are problematic for storekeepers, because the storekeepers must regularly inspect such products for freshness. Inspection is laborious, expensive, and subjective.
What is needed is a system and apparatus for objectively detecting and communicating a freshness of a perishable product. The system and apparatus preferably will be inexpensive and easy to operate and will reliably detect products that are no longer fresh.


REFERENCES:
patent: 5610340 (1997-03-01), Carr et al.
patent: 5689238 (1997-11-01), Cannon, Jr. et al.
patent: 5711160 (1998-01-01), Namisniak et al.
patent: 5798694 (1998-08-01), Reber et al.
patent: 5882068 (1998-10-01), Beaudry et al.
patent: 5917009 (1999-06-01), Oosedo et al.
patent: 5969606 (1999-10-01), Reber et al.
patent: 6111520 (2000-08-01), Allen et al.

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