Wireless Mechanism For Detecting an Open or Closed Container, and Methods of Making and Using the Same

An electronic device, comprising:

• a) a first substrate with first and second coils thereon, the first coil having an integrated circuit electrically connected thereto, and the first substrate being a first part of an article, container or product packaging or configured to be attached or secured to the first part of the article, container or product packaging;
• b) a second substrate with a third coil thereon, the second substrate being a second part of the article, container or product packaging or configured to be attached or secured to the second part of the article, container or product packaging, wherein one of the first and second parts of the article, container or product packaging is removable or movable with respect to the other one of the first and second parts of the article, container or product packaging;
• wherein
• the first and second coils have a first coupling when the article, container or product packaging is closed or sealed, and a second, different coupling when the article, container or product packaging is open or unsealed.