JPH0259998U - - Google Patents
Info
- Publication number
- JPH0259998U JPH0259998U JP13799088U JP13799088U JPH0259998U JP H0259998 U JPH0259998 U JP H0259998U JP 13799088 U JP13799088 U JP 13799088U JP 13799088 U JP13799088 U JP 13799088U JP H0259998 U JPH0259998 U JP H0259998U
- Authority
- JP
- Japan
- Prior art keywords
- template
- constant
- utility
- model registration
- conic sections
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
第１図は本考案のテンプレートの一実施例の平
面図、第２図は同じく他の実施例の平面図、第３
図は同じく他の実施例の説明図、第４図、第５図
、第６図、第７図及び第８図は、第２図のテンプ
レートを用いて楕円を作図する場合のそれぞれ異
なる段階を示す斜視図である。
１…テンプレート、２…楕円、３…テンプレー
ト孔、４…刻線、５Ｘ…Ｘ軸、５Ｙ…Ｙ軸。
FIG. 1 is a plan view of one embodiment of the template of the present invention, FIG. 2 is a plan view of another embodiment, and FIG.
The figures are also explanatory diagrams of other embodiments, and Figures 4, 5, 6, 7, and 8 show different stages of drawing an ellipse using the template in Figure 2. FIG. 1...template, 2...ellipse, 3...template hole, 4...marked line, 5X...X axis, 5Y...Y axis.
Claims (1)
て、一枚のプレート上に、複数個の円錐曲線が、
該それぞれの円錐曲線上の複数個の点の位置に穿
孔されたテンプレート孔で表してあることを特徴
とするテンプレート。 ２ 前記複数個の円錐曲線が、方程式 ｘ２ａ２＋ｙ２ｂ２＝１ において、常数ａ及びｂの何れか一方が一定で
他方が異なる複数個の楕円である実用新案登録請
求の範囲第１項記載のテンプレート。 ３ 前記複数個の円錐曲線が、方程式 ｘ２ａ２＋ｙ２ｂ２＝１ において、常数ａと常数ｂとの比が一定な複数
個の楕円である実用新案登録請求の範囲第１項記
載のテンプレート。[Claims for Utility Model Registration] 1. In a template used for drawing a conic section, a plurality of conic sections are arranged on one plate,
A template characterized in that the template is represented by template holes drilled at a plurality of points on each of the conic sections. 2. Utility model registration claim 1, wherein the plurality of conic sections are a plurality of ellipses in which one of the constants a and b is constant and the other is different in the equation x 2 a 2 + y 2 b 2 =1. Template described in section. 3. The utility model registration claim 1, wherein the plurality of conic sections are a plurality of ellipses in which the ratio of constant a to constant b is constant in the equation x 2 a 2 + y 2 b 2 =1. template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13799088U JPH0259998U (en) | 1988-10-22 | 1988-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13799088U JPH0259998U (en) | 1988-10-22 | 1988-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0259998U true JPH0259998U (en) | 1990-05-01 |
Family
ID=31399921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13799088U Pending JPH0259998U (en) | 1988-10-22 | 1988-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005313351A (en) * | 2004-04-27 | 2005-11-10 | Hideki Fukuzumi | Arc-shaped corner ruler |
-
1988
- 1988-10-22 JP JP13799088U patent/JPH0259998U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005313351A (en) * | 2004-04-27 | 2005-11-10 | Hideki Fukuzumi | Arc-shaped corner ruler |
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