JPH0430406U - - Google Patents
Info
- Publication number
- JPH0430406U JPH0430406U JP7241490U JP7241490U JPH0430406U JP H0430406 U JPH0430406 U JP H0430406U JP 7241490 U JP7241490 U JP 7241490U JP 7241490 U JP7241490 U JP 7241490U JP H0430406 U JPH0430406 U JP H0430406U
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- light
- windows
- size
- fiber sensor
- 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
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
第１図は本考案の実施例を示す構成図、第２図
は本実施例による光漏洩型光フアイバを示す説明
図、第３図及び第４図は従来例を示す構成図であ
る。
１１は発光ダイオード、１２は受光ダイオード
、１３は紙、１４，１５は光フアイバ、１６は光
吸収器、４１は光フアイバのコア、４２は光フア
イバのクラツド、４３はクラツドに開けた窓であ
る。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is an explanatory diagram showing a light leakage type optical fiber according to the present embodiment, and FIGS. 3 and 4 are block diagrams showing a conventional example. 11 is a light emitting diode, 12 is a light receiving diode, 13 is paper, 14 and 15 are optical fibers, 16 is a light absorber, 41 is the core of the optical fiber, 42 is the cladding of the optical fiber, and 43 is a window opened in the cladding. .
Claims (1)
を放出する手段を、他方に光を検出する手段を備
えて、両手段間に介在する物体の大きさ又は形状
を受光手段の光量変化で識別する光フアイバセン
サにおいて、 上記両手段のうち少なくとも一方の手段を光フ
アイバで構成し、 この光フアイバの長手方向にクラツドの一部を
除去した窓を複数個設け、この光フアイバを伝播
した光をこれらの窓から外部に漏洩、またはこれ
らの窓に向けて放出された光を吸収できる構造と
した ことを特徴とする光フアイバセンサ。[Claims for Utility Model Registration] A device is provided with a means for emitting light on one side and a means for detecting light on the other side, which are arranged facing each other at an appropriate interval, and the size or size of the object interposed between the two means is In an optical fiber sensor that identifies a shape based on a change in the amount of light of a light-receiving means, at least one of the above-mentioned means is composed of an optical fiber, and a plurality of windows with part of the cladding removed are provided in the longitudinal direction of the optical fiber. An optical fiber sensor characterized by having a structure capable of leaking light propagated through the optical fiber to the outside through these windows or absorbing light emitted toward these windows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7241490U JPH0430406U (en) | 1990-07-06 | 1990-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7241490U JPH0430406U (en) | 1990-07-06 | 1990-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0430406U true JPH0430406U (en) | 1992-03-11 |
Family
ID=31610328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7241490U Pending JPH0430406U (en) | 1990-07-06 | 1990-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022540987A (en) * | 2019-07-25 | 2022-09-21 | オックスフォード、オプトロニックス、リミテッド | Bacteria detection method |
-
1990
- 1990-07-06 JP JP7241490U patent/JPH0430406U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022540987A (en) * | 2019-07-25 | 2022-09-21 | オックスフォード、オプトロニックス、リミテッド | Bacteria detection method |
| US12196680B2 (en) | 2019-07-25 | 2025-01-14 | Oxford Optronix Ltd. | Method for detection of bacteria in faeces |
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