JPS61110165U - - Google Patents
Info
- Publication number
- JPS61110165U JPS61110165U JP19906584U JP19906584U JPS61110165U JP S61110165 U JPS61110165 U JP S61110165U JP 19906584 U JP19906584 U JP 19906584U JP 19906584 U JP19906584 U JP 19906584U JP S61110165 U JPS61110165 U JP S61110165U
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- sensor
- output
- differentiating circuit
- detected
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
第１図は本考案の一実施例に係る回転検出装置
を示す回路図、第２図はこの回転検出装置に用い
られる回転円板の正面図、第３図は変形例に係る
回転円板の正面図、第４図は光センサの出力電圧
を示すグラフ、第５図は微分回路の出力電圧を示
すグラフ、第６図は回転数が高くなつた場合の光
センサの出力電圧を示すグラフ、第７図は同微分
回路の出力電圧、第８図は回転方向が逆転した場
合の光センサの出力電圧を示すグラフ、第９図は
同微分回路の出力電圧である。
なお図面に用いた符号において、１２…回転円
板、１３…切欠き、１４…発光素子、１５…受光
素子、１９…微分回路、２３…開口部である。
FIG. 1 is a circuit diagram showing a rotation detecting device according to an embodiment of the present invention, FIG. 2 is a front view of a rotating disk used in this rotation detecting device, and FIG. 3 is a schematic diagram of a rotating disk according to a modified example. A front view, FIG. 4 is a graph showing the output voltage of the optical sensor, FIG. 5 is a graph showing the output voltage of the differential circuit, and FIG. 6 is a graph showing the output voltage of the optical sensor as the rotation speed increases. FIG. 7 shows the output voltage of the differentiating circuit, FIG. 8 is a graph showing the output voltage of the optical sensor when the rotation direction is reversed, and FIG. 9 shows the output voltage of the differentiating circuit. In addition, in the symbols used in the drawings, 12... rotating disk, 13... notch, 14... light emitting element, 15... light receiving element, 19... differential circuit, 23... opening.
Claims (1)
このセンサの出力によつて回転検出を行なうよう
にした装置において、回転方向によつて前記セン
サの検出出力が増加および減少するような被検出
部を前記回転体に設けるとともに、前記センサの
検出出力を微分回路に供給するようにし、この微
分回路の出力レベルから回転数を、またこの微分
回路の出力の極性から回転方向を、それぞれ検出
するようにしたことを特徴とする回転検出装置。 The sensor is fixedly arranged to face the rotating body,
In a device configured to detect rotation based on the output of this sensor, a detected portion is provided on the rotating body such that the detection output of the sensor increases and decreases depending on the direction of rotation, and the detection output of the sensor A rotation detecting device, characterized in that the rotation speed is supplied to a differentiating circuit, and the rotational speed is detected from the output level of the differentiating circuit, and the rotation direction is detected from the polarity of the output of the differentiating circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19906584U JPS61110165U (en) | 1984-12-25 | 1984-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19906584U JPS61110165U (en) | 1984-12-25 | 1984-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61110165U true JPS61110165U (en) | 1986-07-12 |
Family
ID=30758645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19906584U Pending JPS61110165U (en) | 1984-12-25 | 1984-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61110165U (en) |
-
1984
- 1984-12-25 JP JP19906584U patent/JPS61110165U/ja active Pending
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