04890832 is referenced by 227 patents and cites 17 patents.

A compact electronic apparatus comprises a main unit having at least a power supplying section and a display, at least one of several processing units having a key input section and a memory adapted to be removably attached to the main unit and a connecting section for connecting one of said processing units to the main unit. Each one of said processing units to the main unit. Each of the processing units has a different function.

Title
Compact electronic apparatus with removable processing units
Application Number
539190
Publication Number
4890832
Application Date
April 22, 1988
Publication Date
January 2, 1990
Inventor
Shigeki Komaki
Nara
JP
Agent
Birch Stewart Kolasch & Birch
Assignee
Sharp Kabushiki Kaisha
JP
IPC
A63F 9/00
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