초록 ▼

A switch structure for an analog quartz crystal timepiece having a watchglass plate, a time dial to display time in an analog mode, and a digital display device, which switch structure comprises a plurality of transparent electrically conductive electrode films provided on the watchglass plate at po

A switch structure for an analog quartz crystal timepiece having a watchglass plate, a time dial to display time in an analog mode, and a digital display device, which switch structure comprises a plurality of transparent electrically conductive electrode films provided on the watchglass plate at positions corresponding to numerical display indicia on the time dial to permit generation of input signals corresponding to the numerical display indicia, respectively.

대표청구항 ▼

In an analog quartz crystal timepiece providing a multi-alarm function and having a watch case, and a watch movement adapted to drive time indicating hands and having a circuit board mounted thereon, the improvement comprising: a time dial disposed in said watch case and including a plurality of cir

In an analog quartz crystal timepiece providing a multi-alarm function and having a watch case, and a watch movement adapted to drive time indicating hands and having a circuit board mounted thereon, the improvement comprising: a time dial disposed in said watch case and including a plurality of circumferentially spaced time-indicating numerical indicia, and an access window; an electro-optical digital display device mounted on a bottom surface of said time dial at said access window to provide a display of said multi-alarm function; a plurality of display indicia indicative of said multi-alarm function and formed on said time dial at an area other than those in which said time-indicating numerical indicia are formed; a watch glass plate secured to said watch case above said time dial; a plurality of first transparent electrically conductive electrode films formed on said watch glass plate at positions corresponding to said plurality of circumferentially spaced time-indicating numerical indicia, respectively, to permit generation of input signals corresponding to said time-indicating numerical indicia, each of said plurality of transparent electrically conductive electrode films having a terminal portion formed on a bottom surface of said watch glass plate; a plurality of second transparent electrically conductive electrode films formed on said glass plate at positions corresponding to said plurality of display indicia, respectively and serving as switches for inputting a plurality of alarm time data; a transparent insulating film formed over said watch glass plate and said plurality of transparent electrically conductive electrode films; and a plurality of electrically conductive connectors disposed between said circuit board and the corresponding ones of said terminal portions of said plurality of electrically conductive electrode films.