Switch-actuated arrangements

摘要

An article incorporating a light or sound source (14) has two or more switches (18, 24, 26) which must be closed for the source (14) to be actuated, the switches being arranged to be successively closed at different stages of the packing, unpacking and using procedures. A first switch (26) can be a pull tab arrangement, closed on packing or unpacking the article. A second switch (18) can be a light-sensitive switch. A third switch (24) can be a user-operated switch or a tilt switch etc.

主权项

1. An article configured to be packed in packaging material, the article comprising at least one light or sound source, and an electrical circuit for actuating the source, the electrical circuit including at least one battery and at least a first, second and third switch, which are actuated independently of each other, which are constituted by different types of switches, and all of which must be closed for the source to be actuated, the article and the packaging being configured such that, with the article packed in the packaging, the first switch is open, and, with the packaging removed from the article, the first switch is closed.