Horology: time measuring systems or devices – Displays or display device details – With luminous material
Reexamination Certificate
2000-04-21
2002-08-27
Roskoski, Bernard (Department: 2841)
Horology: time measuring systems or devices
Displays or display device details
With luminous material
C368S282000
Reexamination Certificate
active
06442107
ABSTRACT:
This invention relates to a light-emitting or luminous wristwatch, and more particularly to a wristwatch including a light-emitting element that can exhibit a novel visual effect.
DESCRIPTION OF RELATED ART
There has been conventionally provided a wristwatch including a lighting device which permits time displayed on the wristwatch to be visible even at the night.
However, the lighting device exhibits only a practical-centered function of lightening a watch face, so that the wristwatch fails to exhibit a sense of play.
SUMMARY OF THE INVENTION
The present invention has been made in view of the foregoing disadvantage of the prior art.
Accordingly, it is an object of the present invention to provide a luminous wristwatch which is capable of exhibiting a sense of play.
It is another object of the present invention to provide a luminous wristwatch which is capable of ensuring safety of a wristwatch wearer during walking or the like in the night.
In accordance with the present invention, a luminous wristwatch is provided. The luminous wristwatch includes a watch body, a watch face and a belt or wrist band member. The watch face and belt member each are provided with a plurality of light emitters which emit light upon feeding of electricity thereto. Also, the watch face and belt member each are formed to be light-permeable so that light emitted from the light emitters may be externally observed therethrough. The watch body is provided thereon with an operation button and a control section for controlling on-off operation of the light emitters upon operation of the operation button.
In a preferred embodiment of the present invention, the watch body is provided with a sensor for detecting vibration applied to the wristwatch and/or inclination thereof and a control button for rendering the sensor effective. The control section controls on-off operation of the light emitters depending on the vibration and/or inclination during operation of the control button.
In a preferred embodiment of the present invention, the light emitters each are constituted by an electroluminescent material. This permits display of a pattern or design of any desired configuration.
REFERENCES:
patent: 4130987 (1978-12-01), Schickedanz
patent: 5214624 (1993-05-01), Siebrasse
patent: 5418760 (1995-05-01), Kawashima et al.
patent: 5746501 (1998-05-01), Chien
Price and Gess
Roskoski Bernard
Takara Co. Ltd.
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