System and apparatus for detecting and communicating a freshness of a perishable product
AssigneeMotorola, Inc.
InventorsJheroen P. Dorenbosch, R. Louis Breeden
Life of this patent
Estimating the term…
Abstract
A wireless tag (102) is mechanically attached to a product. The wireless tag includes a product freshness detector (204) and a communicator (208) coupled to the product freshness detector for communicating the freshness to a user. The wireless tag also includes a wireless power supply (202) coupled to the product freshness detector and coupled to the communicator for powering the wireless tag from a wireless energy source. A reader (104) powers the wireless tag and includes a transmitter (702) for generating wireless energy for powering the wireless tag. The reader also includes a user interface (708) for providing control of the reader by the user.
Claims20
A wireless tag for detecting and communicating a freshness of a perishable product, the wireless tag comprising:
- a product freshness detector attached to the perishable product;
- a communicator coupled to the product freshness detector for communicating the freshness to a user;
- and
- a wireless power supply coupled to the product freshness detector and coupled to the communicator for powering the wireless tag from a wireless energy source.
A reader for powering and reading a wireless tag, comprising:
- a transmitter for generating wireless energy for powering the wireless tag;
- a receiver for receiving a wireless signal from the wireless tag, the wireless signal carrying an indication of a freshness of a perishable product to which the wireless tag is attached;
- a processor coupled to the transmitter and to the receiver for controlling the reader and processing said indication;
- and
- a user interface coupled to the processor for conveying said indication to a user.
A system for detecting and communicating a freshness of a perishable product the system including:
- the wireless tag, comprising:
- a product freshness detector attached to the perishable product;
- a communicator coupled to the product freshness detector for communicating the freshness to a user;
- and
- a wireless power supply coupled to the product freshness detector and coupled to the communicator for powering the wireless tag from a wireless energy source;
- and
- a reader for powering the wireless tag, the reader comprising:
- a first transmitter for generating wireless energy for powering the wireless tag;
- and
- a user interface for providing control of the reader by the user.
Dependencies are inferred from the claim text.