JPH0289541U - - Google Patents
Info
- Publication number
- JPH0289541U JPH0289541U JP15524188U JP15524188U JPH0289541U JP H0289541 U JPH0289541 U JP H0289541U JP 15524188 U JP15524188 U JP 15524188U JP 15524188 U JP15524188 U JP 15524188U JP H0289541 U JPH0289541 U JP H0289541U
- Authority
- JP
- Japan
- Prior art keywords
- constant
- circuit
- calculates
- storage means
- input
- 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
Landscapes
- Recording Measured Values (AREA)
- Feedback Control In General (AREA)
Description
第１図は、この考案の実施例ｓｉｎ演算回路の
機能構成を示すブロツク図、第２図は、同ｓｉｎ
演算回路が実施されるメータ駆動装置のブロツク
図である。
４：ｓｉｎ演算回路、４０：演算部、４１，４
２，４３：メモリ。
FIG. 1 is a block diagram showing the functional configuration of a sin arithmetic circuit according to an embodiment of the invention, and FIG.
1 is a block diagram of a meter drive device in which an arithmetic circuit is implemented; FIG. 4: sine operation circuit, 40: operation section, 41, 4
2,43: Memory.
Claims (1)
（ｘ）＝Ｘ（Ａ０＋Ａ１Ｘ２＋Ａ２Ｘ４）の演算
を行い、ｓｉｎ（ｘ）を出力するｓｉｎ演算回路
において、 前記定数Ａ０，Ａ１，Ａ２として、Ａ０＝１．
５７０３１２５、Ａ１＝−０．６４０６２５、Ａ
２＝０．０７０３１２５を記憶する定数記憶手段
を備え、この定数記憶手段に記憶される定数を用
いて前記演算を行うことを特徴とするｓｉｎ演算
回路。[Claims for Utility Model Registration] Receiving a binary angle signal X as an input,
In the sin calculation circuit that calculates ( x)=X(A 0 + A 1 X 2 + A 2 ．．
5703125, A 1 =-0.640625, A
2 = 0.0703125, and the sine operation circuit is characterized in that the above operation is performed using the constant stored in the constant storage means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15524188U JPH0289541U (en) | 1988-11-29 | 1988-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15524188U JPH0289541U (en) | 1988-11-29 | 1988-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0289541U true JPH0289541U (en) | 1990-07-16 |
Family
ID=31432697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15524188U Pending JPH0289541U (en) | 1988-11-29 | 1988-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0289541U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228872A (en) * | 1985-07-31 | 1987-02-06 | Fujitsu Ltd | Trigonometric function generating processor |
-
1988
- 1988-11-29 JP JP15524188U patent/JPH0289541U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6228872A (en) * | 1985-07-31 | 1987-02-06 | Fujitsu Ltd | Trigonometric function generating processor |
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