Citizen Watch Company, Ltd.

Hideo Hatanaka

Motoyuki Saito

Satoru Fukutome

Akinobu Ohtani

An alarm device for a watch mounted in a recess provided in an upper portion of the watch case, for example in the upper portion of the band connecting portion of the watch case. The alarm device comprises a vibration plate secured to the bottom of the recess, a watertight sealing member, a cover for the vibration plate and securing means such as a screw for fixing the vibration plate to the recess through the watertight sealing member.

Acoustic alarm device for watches

An electronic timepiece assembly interposed between a module and an exteriorly operable member and comprising a switch lower base including a plurality of electrically conductive portions connected to a contact pattern formed on the module and a switch upper plate including a plurality of terminal portions formed in correspondence with the conductive portions and a plurality of projections operable by means of the exteriorly operable member so as to be resiliently deformed and connect the terminal portions through the electrically conductive portions to the contact pattern formed on the module.

Electrical connection construction for electronic timepiece

An electronic timepiece assembly interposed between a module and an exteriorly operable member and comprising a switch lower base including a plurality of electrically conductive portions connected to a contact pattern formed on the module and a switch upper plate including a plurality of terminal portions formed in correspondence with the conductive portions and a plurality of projections operable by means of the exteriorly operable member so as to be resiliently deformed and connect the terminal portions through the electrically conductive portions to the contact pattern formed on the module. A button box including a lower case and an upper cover is mounted in an opening in the front side of the timepiece case. The upper cover of the button box includes sound-emitting openings for the alarm and an opening for receiving a button which is arranged to engage a projection on the alarm oscillation plate.

Electronic timepiece assembly

An external operation device for electronic timepieces having a switch unit made up of an array of a plurality of electric switches is inserted in an external member of a timepiece and said electric switches being electrically connected to an internal module.

Growing community of inventors

Tanashi, Japan

Hideo Hatanaka