JPH0255168U - - Google Patents
Info
- Publication number
- JPH0255168U JPH0255168U JP13398588U JP13398588U JPH0255168U JP H0255168 U JPH0255168 U JP H0255168U JP 13398588 U JP13398588 U JP 13398588U JP 13398588 U JP13398588 U JP 13398588U JP H0255168 U JPH0255168 U JP H0255168U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving
- plateau
- receiving element
- moving direction
- 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 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
第１図ないし第７図は本考案の実施例を示し、
第１図は移動方向検出器の構成図、第２図は受光
素子の前面に設けられた受光スリツトの平面図、
第３図はプラトー部レベル検出回路のブロツク図
、第４図および第５図は移動方向検出動作の説明
に供するタイミングチヤート、第６図および第７
図は受光スリツトの変形例を示す平面図である。
第８図は従来の移動方向検出器の構成図である。
１……移動方向検出器、２……物体、４……フ
オトカプラ、６……発光素子、８……受光素子、
１０，３０，４０……受光スリツト、１２，１４
，３２，３４，３６，４２，４４，４６，４８…
…光透過窓、１６……プラトー部レベル検出回路
。
1 to 7 show embodiments of the present invention,
Figure 1 is a configuration diagram of the moving direction detector, Figure 2 is a plan view of the light receiving slit provided in the front of the light receiving element,
FIG. 3 is a block diagram of the plateau level detection circuit, FIGS. 4 and 5 are timing charts for explaining the movement direction detection operation, and FIGS. 6 and 7 are
The figure is a plan view showing a modified example of the light receiving slit.
FIG. 8 is a block diagram of a conventional moving direction detector. 1... Movement direction detector, 2... Object, 4... Photocoupler, 6... Light emitting element, 8... Light receiving element,
10, 30, 40... Light receiving slit, 12, 14
, 32, 34, 36, 42, 44, 46, 48...
...Light transmission window, 16...Plateau level detection circuit.
Claims (1)
プラを有し、前記受光素子には、その受光面を覆
つて受光スリツトが配置され、この受光スリツト
は、互いに開口面積が異なる複数の光透過窓が検
出対象となる物体の移動方向に沿つて形成されて
なる一方、 前記受光素子から物体移動に伴う受光量の変化
に対応して出力される検出信号のレベル変化のプ
ラトー部における信号レベルを検出するプラトー
部レベル検出回路を備えることを特徴とする移動
方向検出器。[Claims for Utility Model Registration] A photocoupler includes a pair of light-emitting element and light-receiving element, and the light-receiving element is provided with a light-receiving slit covering its light-receiving surface, and the light-receiving slits have opening areas that are different from each other. A plurality of different light transmitting windows are formed along the moving direction of the object to be detected, and a plateau of the level change of the detection signal outputted from the light receiving element in response to the change in the amount of light received as the object moves. A moving direction detector comprising a plateau level detection circuit for detecting a signal level at a plateau section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13398588U JPH0255168U (en) | 1988-10-13 | 1988-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13398588U JPH0255168U (en) | 1988-10-13 | 1988-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0255168U true JPH0255168U (en) | 1990-04-20 |
Family
ID=31392353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13398588U Pending JPH0255168U (en) | 1988-10-13 | 1988-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0255168U (en) |
-
1988
- 1988-10-13 JP JP13398588U patent/JPH0255168U/ja active Pending
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