| 摘要 |
PROBLEM TO BE SOLVED: To improve operability for the increase of the operation object of unit and to execute an operation without misoperation by including the switches of respective groups, which are divided, in a surface protruded forward from the surface of the main remote controller in line. SOLUTION: The switches 3a to 3e of a first group are the circles of the same external diameters and have external forms which are swelled forward from the surface of the body of remote controller 2 in spherical surface forms. The switches 4a to 4f of a second group have almost the square front forms and have te forms obtained by swelling the outline forms in a width direction in curve surface forms to a front-side. The width dimension is about the half the external diameters of the switches 3a to 3d of the first group. Thus, the judgment of the type of the switch to be operated can be urged to a user not only by the visual recognition of a solid form but also by the difference of feeling by hand. Thus, misoperation can be noticed by the perception of the user, and unnecessary misoperation is prevented.
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