Switch-actuated arrangements
AssigneeBenmore Ventures Limited
InventorsBryn Griffiths, Jon Duncan
Life of this patent
Estimating the term…
Abstract
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.
Claims15
An article packed in packaging material, the article comprising at least one light or sound source (14), and an electrical circuit (20) for actuating the source, the circuit including at least one battery (22) and at least first (18, 26) and further (24) switch means, both of which must be closed for the source to be actuated, the arrangement being such that, with the article in its condition with packaging, the first switch means is open, and, with the packaging removed, the first switch means is closed.
A method of actuating at least one light or sound source (14) attached to an article, wherein a drive circuit (20) for the source comprises at least first (18, 26) and further (24) switch means, both of which have to be closed for the source to be activated, the method comprising closing the first switch means before packing of the article, or during packing of the article, or when unpacking the article, and closing the further switch means at a stage subsequent to closing the first switch means.
Dependencies are inferred from the claim text.