Patent Number: 6,396,401

Title: Shoplifting monitoring apparatus and attachment unit

Abstract: Disclosed is a shoplifting monitoring apparatus. The apparatus includes analarm device and an attachment unit to be attached to an article such thata predetermined attachment surface faces the article. The attachment unitincludes a switch for detecting whether or not the attachment unit isattached to the article, and a sleeve member. The switch includes amovable piece and a contact. The contact is in the closed state when themovable piece is located at an inside of a standard position, and is inthe open state when the movable piece is located at the standard positionor at an outside thereof. The sleeve member has a sleeve portion thatsurrounds an end portion of the movable piece when the attachment unit isattached to the article. The attachment unit is to be attached to thearticle such that the movable piece is pushed by the article toward theinside of the attachment surface, and thereby the contact of the switch isin the closed state. Each of the sleeve member and the switch can move ina direction from the inside to outside of the attachment surface and in areverse direction thereof. The switch moves together with the sleevemember toward the inside of the attachment surface when the sleeve memberis pushed toward the inside of the attachment surface. The alarm deviceissues the alarm at least when the contact of the switch is in the openstate.

Inventors: Matsuo; Toichiro (Arao, JP)

Assignee:

International Classification: G08B 13/14 (20060101); G08B 013/14 ()

Expiration Date: 05/28/2014