Citizen Watch Company, Ltd.

Panasonic Corporation

Citizen Holdings Company, Ltd.

Citizen Tokei Kabushiki Kaisha

Citizen Tokei Kabushiki Kaish

Takayuki Takahashi

Yasuki Yamakawa

Toshihiro Nakashima

Kenya Yasutomi

Ryota Minami

Takayuki Konishi

Akio Ohno

Kenzo Horie

Tomomi Murakami

Masahiko Waki

Yasuo Maekawa

Takashi Masuda

Tetsuya Inui

Watch

Wrist watch

A light guiding device used for a reader/writer device for a noncontact communication medium is provided with a light guide plate having a transparent main body part which can transmit light inputted from an LED and a protruding part protruding from a part of an end surface of the transparent main body part. A diffusely reflecting part is provided on a lower surface side of the transparent main body part, and a first light emitting part is provided on an upper surface side of the transparent main body part. Reflecting parts are provided on an upper surface side and a lower surface side of the protruding part, and second light emitting part is provided at a leading end. of the protruding part. When the first light emitting part is covered by the noncontact communication medium, the second light emitting part can check a light emitting state.

Light guiding device, reader/writer device for noncontact communication medium, and electronic apparatus

Wrist watch case with band

Point of sales terminal

A light guiding device can be used for a reader/writer device () for a noncontact communication medium. The light guiding device includes a light guide plate () which includes: a transparent main body part () which can transmit light inputted from an LED (); and a protruding part () which is provided so as to protrude from a part of an end surface of the transparent main body part (). A diffusely reflecting part () is provided on a lower surface side of the transparent main body part (), and a first light emitting part () is provided on an upper surface side of the transparent main body part (). Reflecting parts () are provided on an upper surface side and a lower surface side of the protruding part (), and a second light emitting part () is provided at a leading end of the protruding part (). In the case where the first light emitting part () is covered by the noncontact communication medium, the second light emitting part () makes it possible to check a light emitting state. Accordingly, the light guiding device is provided, in which the light emitting state of the light emitting part can be easily checked.

Payment terminal

Wrist watch case with bracelet

Watch case

Watch band

Growing community of inventors

Kanagawa, Japan

Takayuki Takahashi