Method and device for lighting an electronic or...

Details Method and device for lighting an electronic or... Method and device for lighting an electronic or...

2005-05-17

2005-05-17

Dinh, Trinh Vo (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S076000, C315S2090SC, C315S245000, C368S068000, C368S241000

Reexamination Certificate

active

06894440

ABSTRACT:
The present invention is a lighting device for an electronic or electromechanical apparatus such as a timepiece of the wristwatch type. The invention including a device displaying time-related or other information, this lighting device including a light source for lighting the display device. The lighting device is characterized in that the light source is also able to measure the intensity of the ambient light. The invention also concerns a method for controlling the lighting of an apparatus of the aforementioned type.

REFERENCES:
patent: 3757511 (1973-09-01), Burgess et al.
patent: 4006583 (1977-02-01), Vuilleumier
patent: 4423963 (1984-01-01), Suzuki
patent: 4995016 (1991-02-01), Watanabe
patent: 4995022 (1991-02-01), Ikeda et al.
patent: 6095661 (2000-08-01), Lebens et al.
patent: 6106127 (2000-08-01), Fuwausa
patent: 20010007470 (2001-07-01), Haavisto
patent: 0 860 755 (1998-08-01), None

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