WEARABLE OBJECT SUCH AS A TIMEPIECE INCLUDING MEANS FOR TRIGGERING AN ELECTRONIC CONTROL FUNCTION
1 Assignment
0 Petitions
Accused Products
Abstract
Portable object such as a timepiece including a dial (4) covered by a watch glass (2), the portable object (1) enclosing an electronic control circuit (16) for at least one time function or non-time related function, the portable object further comprising at least one light source (12) and an associated light sensor (10), which are arranged on the dial (4), the light source (12) emitting, through the glass (2), a light beam, which is at least partially reflected towards the light sensor (10), when it is intercepted by the user'"'"'s finger (D) placed on the glass (2) of the portable object, the light sensor (10) supplying the electronic control circuit (16) with an electric signal for activating the corresponding function when it detects the light produced by the light source (12) and reflected by the user'"'"'s finger (D), the portable object being characterized in that the light source (12) emits collimated light while forming, on the glass (2), a spot of defined dimensions which defines the place on the glass (2) where the user has to place his finger.
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Citations
28 Claims
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1-11. -11. (canceled)
- 12. Portable object such as a timepiece including a dial covered by a watch glass, the portable object enclosing an electronic control circuit for at least one time function or non-time related function, the portable object further including at least one light source and an associated light sensor, which are arranged on the dial, the light source emitting, through the glass, a light beam, which is at least partially reflected towards the light sensor when it is intercepted by the user'"'"'s finger placed on the glass of said portable object, the light sensor supplying the electronic control circuit with an electric signal to activate the corresponding function when it detects the light produced by the light source and reflected by the user'"'"'s finger, wherein the light source emits collimated light forming, on the glass, a spot of defined dimensions which defines the place on said glass where the user will have to place his finger.
Specification