Patent ID: 11933677
Assignee: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G  C | IPC C  G

Claim 10:
11. A product control system, comprising
a control equipment, which collects color tone information of the temperature detecting material according to claim 1 being applied to a product and controls an environment in which the product is arranged based on the color tone information, and
a control terminal which acquires a product identifying information applied to the product for identifying the product and acquires color tone information of the temperature detecting material,
wherein
the control terminal displays on the display unit whether a color change is present or not when a color tone information is acquired, and also transmits the product identifying information and the color tone information, together with relationship between an acquiring time of the color tone information and a fact whether a color change is present or not, to the control equipment.