| 摘要 |
A portable information terminal 1 includes a primary terminal 2 and a secondary terminal 3 which are combinable and separable from each other, and individually have displays 2A, 3Ba, operation keys 2B, 3Aa, RAMs 24, 36, antennas 26, 37, and CPUs 20, 30. The RAMs 24, 36 of the respective terminals 1, 2 store application programs and the CPUs 20, 30 individually control to operate a required function and display an image on the displays 2A, 3Ba. The CPUs 20, 30 are connected through communication between the antennas 26, 37 to systematically share an operation for a required function and to display images associated with each other on the respective displays 2A and 3Ba.
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