JPS6428602U

JPS6428602U -

Info

Publication number: JPS6428602U
Application number: JP12469487U
Authority: JP
Priority date: 1987-08-14
Filing date: 1987-08-14
Publication date: 1989-02-20

Description

[Brief explanation of the drawing]

図面は本考案の平面図。チヤートとチヤートは縦線によつて、チヤ
ートとチヤートは横線によつて円の形状に描
かれており、チヤートとチヤートは赤色側に
、チヤートとチヤートは緑色側に配置されて
いる。 The drawing is a plan view of the invention. Chaat and chaat are drawn in the shape of a circle by vertical lines, and chaat and chaat by horizontal lines, with chaat and chaat on the red side and chaat and chaat on the green side.

Claims

[Scope of claims for utility model registration] 1 (a) The left half of the screen is colored red, and the right half is colored green. (b) Place charts, charts, charts on the colored screen. (c) The four charts are placed in symmetrical positions with respect to each other. (d) The four charts are made by drawing solid black lines of the same thickness at the same intervals. (e) Among the four charts, the directions of the solid lines between the charts are the same, and the direction of the solid lines between the charts is the direction of the solid line between the charts rotated by 90 degrees. (f) The size of the four charts shall be the same. The i-check chart is configured as described above. 2. The eye check chart according to claim 1 of the utility model registration, wherein the four charts are drawn using black broken lines of the same thickness instead of solid lines. 3. The eye-check chart of the first claim for utility model registration, in which four charts are drawn in a so-called "kakomi-kyo" manner, in which the solid lines are hollowed out in the color of the ground. 4. The eye chart according to claim 1 of the utility model registration claim, wherein the four charts are drawn in a geometric shape other than a circle, or in the shape of an animal or plant.