JPS63170767U - - Google Patents
Info
- Publication number
- JPS63170767U JPS63170767U JP6366387U JP6366387U JPS63170767U JP S63170767 U JPS63170767 U JP S63170767U JP 6366387 U JP6366387 U JP 6366387U JP 6366387 U JP6366387 U JP 6366387U JP S63170767 U JPS63170767 U JP S63170767U
- Authority
- JP
- Japan
- Prior art keywords
- direction detection
- rotational direction
- gear
- input
- comparator
- 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 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
第１図はこの考案の一実施例の回転センサ１０
およびギア１２の設置状態を示す外形図、第２図
は同実施例における回転方向検出回路１６の各段
階における信号の波形を示す波形図、第３図は同
実施例における回転方向検出回路１６の構成を示
す回路図、第４図は従来例の回転センサ７および
ギア１の設置状態を示す外形図、第５図は同従来
例における回転方向検出回路１６の各段階におけ
る信号の波形を示す波形図である。
１０…回転センサ、１２…ギア、１４…歯、１
６…回転方向検出回路、１８…第１のコンパレー
タ、２０…第２のコンパレータ、２２…遅延回路
、２４…フリツプフロツプ。
FIG. 1 shows a rotation sensor 10 of an embodiment of this invention.
2 is a waveform diagram showing signal waveforms at each stage of the rotational direction detection circuit 16 in the same embodiment. FIG. 3 is a waveform diagram showing the signal waveforms at each stage of the rotational direction detection circuit 16 in the same embodiment. A circuit diagram showing the configuration, FIG. 4 is an outline drawing showing the installation state of the rotation sensor 7 and gear 1 in the conventional example, and FIG. 5 is a waveform showing the waveforms of signals at each stage of the rotation direction detection circuit 16 in the conventional example. It is a diagram. 10... Rotation sensor, 12... Gear, 14... Teeth, 1
6... Rotation direction detection circuit, 18... First comparator, 20... Second comparator, 22... Delay circuit, 24... Flip-flop.
Claims (1)
れた階段状の２つの高さを持つ歯と、 上記ギアの周面に対向して設けられ、上記歯が
近接したことを検出する回転センサと、 この回転センサによつて得られた上記階段状の
歯に対応した２種類の高さのパルスから成る信号
が入力され、この信号より上記ギアの回転方向を
検出する回転方向検出回路と、 を有することを特徴とする回転方向検出装置。 (2) 上記回転方向検出回路は、上記２種類の高
さの信号のどちらが入力されても特定出力をする
第１のコンパレータと、どちらか一方が入力され
た時のみに特定出力をする第２のコンパレータの
２つのコンパレータを有することを特徴とする実
用新案第１項記載の回転方向検出装置。[Claims for Utility Model Registration] (1) A gear to be rotated; a plurality of stepped teeth having two heights formed at predetermined intervals on the circumferential surface of the gear; A rotation sensor is provided facing each other and detects the proximity of the teeth, and a signal consisting of pulses of two different heights corresponding to the stepped teeth obtained by the rotation sensor is input, A rotational direction detection device comprising: a rotational direction detection circuit that detects the rotational direction of the gear from this signal. (2) The rotation direction detection circuit includes a first comparator that outputs a specific output regardless of which of the two types of height signals is input, and a second comparator that outputs a specific output only when one of the two types of height signals is input. The rotational direction detection device according to item 1 of the utility model, characterized in that it has two comparators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6366387U JPS63170767U (en) | 1987-04-27 | 1987-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6366387U JPS63170767U (en) | 1987-04-27 | 1987-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63170767U true JPS63170767U (en) | 1988-11-07 |
Family
ID=30899099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6366387U Pending JPS63170767U (en) | 1987-04-27 | 1987-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63170767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009054357A1 (en) * | 2007-10-24 | 2009-04-30 | Aisin Seiki Kabushiki Kaisha | Rotation detection sensor |
-
1987
- 1987-04-27 JP JP6366387U patent/JPS63170767U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009054357A1 (en) * | 2007-10-24 | 2009-04-30 | Aisin Seiki Kabushiki Kaisha | Rotation detection sensor |
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