Sheet-like compact electronic equipment

Claim 1

A sheet-like compact electronic device, comprising: an electronic parts assembly including a flexible board including switching contacts and having a predetermined wiring pattern thereon, a semiconductor integrated circuit chip disposed on said board and electrically connected to said wiring pattern, a display unit disposed on said board and electrically connected to said semiconductor integrated circuit chip through said wiring pattern, said display unit being adapted to display data visually in accordance with an output signal from said semiconductor integrated circuit chip, and a dry cell disposed on said board and electrically connected to said semiconductor integrated circuit chip through said wiring pattern, said dry cell being adapted to apply a drive voltage across said semiconductor integrated circuit chip, and said display unit and said dry cell being connected to said flexible board such that they are substantially on the same plane with said flexible board; and case means comprising upper cover means made of a flexible material and in tight contact with an upper surface of said electronic parts assembly, said upper means being provided with a key indicia portion opposing said switching contacts on said board so as to allow an operator to perform a key operation, and with a transparent display window opposing said display section, lower cover means having a sheet-like flat lower surface, and in tight contact with a lower surface of said electronic parts assembly, and adhesive means provided between said upper cover means and said lower cover means for adhering the two together; wherein said case means stores said electronic parts assembly therein such that said upper and said lower cover means sandwich said electronic parts assembly therebetween.