JPH01142811U - - Google Patents
Info
- Publication number
- JPH01142811U JPH01142811U JP4053988U JP4053988U JPH01142811U JP H01142811 U JPH01142811 U JP H01142811U JP 4053988 U JP4053988 U JP 4053988U JP 4053988 U JP4053988 U JP 4053988U JP H01142811 U JPH01142811 U JP H01142811U
- Authority
- JP
- Japan
- Prior art keywords
- light
- rotary encoder
- emitting element
- phase pulse
- detection device
- 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 7
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案の一実施例である検出装置の要
部構成図、第２図は第１図におけるＡ―Ａ矢視図
、第３図は本考案になる検出装置を座標入力装置
に適用した場合を示す図、第４図は受光素子を説
明するための図、第５図は受光素子の回路図、第
６図は検出装置作動時の受光素子の出力波形を示
す図、第７図及び第８図は従来の検出装置の一例
の要部構成図、第９図は従来の検出装置を設けた
座標入力装置を示す図である。
１２……検出装置、１３……座標入力装置、１
４……ロータリエンコーダ、１５……発光素子、
１６……受光素子、２１，２２……ホトトランジ
スタ。
Fig. 1 is a configuration diagram of the main parts of a detection device which is an embodiment of the present invention, Fig. 2 is a view taken along arrow A-A in Fig. 1, and Fig. 3 is a coordinate input device of the detection device of the present invention. FIG. 4 is a diagram for explaining the light receiving element, FIG. 5 is a circuit diagram of the light receiving element, FIG. 6 is a diagram showing the output waveform of the light receiving element when the detection device is activated, and FIG. 8 and 8 are main part configuration diagrams of an example of a conventional detection device, and FIG. 9 is a diagram showing a coordinate input device provided with a conventional detection device. 12...detection device, 13...coordinate input device, 1
4... Rotary encoder, 15... Light emitting element,
16... Light receiving element, 21, 22... Phototransistor.
Claims (1)
ーダと、 該ロータリエンコーダに対向して配設された一
の発光素子と、 一対のホトトランジスタを近接して並設してな
る構造を有しており、該ロータリエンコーダを介
して該一の発光素子と対向配設された受光素子と
により構成されており、 該一の発光素子からの光を該各ホトトランジス
タが独立して検出して夫々位相パルス信号を生成
する構成とした光学式ロータリエンコーダ用位相
パルス検出装置。[Claims for Utility Model Registration] A rotary encoder that rotates as a detected object rotates, a light emitting element disposed opposite to the rotary encoder, and a pair of phototransistors arranged closely in parallel. It has a structure consisting of a light-emitting element and a light-receiving element arranged opposite to each other via the rotary encoder, and each phototransistor receives light from the one light-emitting element. A phase pulse detection device for an optical rotary encoder configured to detect independently and generate phase pulse signals respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4053988U JPH01142811U (en) | 1988-03-28 | 1988-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4053988U JPH01142811U (en) | 1988-03-28 | 1988-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142811U true JPH01142811U (en) | 1989-09-29 |
Family
ID=31267008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4053988U Pending JPH01142811U (en) | 1988-03-28 | 1988-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142811U (en) |
-
1988
- 1988-03-28 JP JP4053988U patent/JPH01142811U/ja active Pending
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