To prevent contamination of a the screen of a folding type mobile telephone.
A protection plate 9 is nearly in the same shape with the display surface 10 of the display side 2 of the folding type portable telephone and the operation surface 11 of the button side 6 thereof, coaxially journaled by a hinge 4 at a fitting part 12, and arranged rotatably around the hinge 4 between the display surface 10 and the operation surface 11. Further, the fitting part 12 is easily widened outward when a force is applied thereto by elasticity, and the protection plate 9 is easily attached to and detached from the hinge 4. When a voice call is made, the protection plate 9 is placed on the display surface 10 to protect the screen 3. When an e mail is used, the protection plate 9 is placed on the operation surface 11.
| JP2007306378 | MOCK-UP OF PORTABLE TELEPHONE SET |
Kawai Nobuaki
Yasuhisa Tanizawa