JPH0267201U - - Google Patents
Info
- Publication number
- JPH0267201U JPH0267201U JP14658088U JP14658088U JPH0267201U JP H0267201 U JPH0267201 U JP H0267201U JP 14658088 U JP14658088 U JP 14658088U JP 14658088 U JP14658088 U JP 14658088U JP H0267201 U JPH0267201 U JP H0267201U
- Authority
- JP
- Japan
- Prior art keywords
- length
- function values
- circular
- line length
- curve function
- 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
- 239000012780 transparent material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Length-Measuring Instruments Using Mechanical Means (AREA)
Description
第１図は円曲線関数値を読取る器具の正面図。
第２図は円曲線各部の名称を示した説明図。 ２′は曲線長＝Ａ・Ｃ・Ｂ＝Ｃ・Ｌ、３′は切
線長＝ＡＤ・ＢＤ＝Ｔ・Ｌ、４′は外線長＝ＣＤ
＝Ｓ・Ｌ、５は交角＝∠ＡＤＥ＝Ｉ・Ａ、６は半
径＝Ｒ。
第２図は円曲線各部の名称を示した説明図。 ２′は曲線長＝Ａ・Ｃ・Ｂ＝Ｃ・Ｌ、３′は切
線長＝ＡＤ・ＢＤ＝Ｔ・Ｌ、４′は外線長＝ＣＤ
＝Ｓ・Ｌ、５は交角＝∠ＡＤＥ＝Ｉ・Ａ、６は半
径＝Ｒ。
Claims (1)
- うすい透明な材質の円形板１に、円曲線関数値
を、整数長さにした曲線長２・切線長３・外線長
４を、各々の長さに対応した、中心角線上に目盛
を設けた、円曲線関数値を読取る器具。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14658088U JPH0267201U (ja) | 1988-11-11 | 1988-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14658088U JPH0267201U (ja) | 1988-11-11 | 1988-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0267201U true JPH0267201U (ja) | 1990-05-22 |
Family
ID=31416202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14658088U Pending JPH0267201U (ja) | 1988-11-11 | 1988-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0267201U (ja) |
-
1988
- 1988-11-11 JP JP14658088U patent/JPH0267201U/ja active Pending