JPH0348719U - - Google Patents
Info
- Publication number
- JPH0348719U JPH0348719U JP10972889U JP10972889U JPH0348719U JP H0348719 U JPH0348719 U JP H0348719U JP 10972889 U JP10972889 U JP 10972889U JP 10972889 U JP10972889 U JP 10972889U JP H0348719 U JPH0348719 U JP H0348719U
- Authority
- JP
- Japan
- Prior art keywords
- light
- fiber
- receiving
- micromanipulator
- area
- 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.)
- Granted
Links
- 239000000835 fiber Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案の実施例の概略図、第２図は本
実施例のマイクロマニプレータ要部の部分縦断側
面図、第３図は同じく第２図上−部分の部分
縦断平面図、第４図は目盛リングと光ブアイバー
との配置関係を示す斜視図、第５図ａは目盛リン
グ要部の原理的概略図、第５図ｂはフオトトラン
ジスターの出力信号波形の位相関係をす原理的説
明図、第５図ｃはアナログ信号をパルス信号とし
てデジタル表示する機構を説明する回路構成図で
ある。
Ｍ……マイクロマニプレータ、１……送光フア
イバー、２……発光ダイオード、４，５……受光
フアイバー、６，７……フオトトランジスター、
８……反射帯、９……吸収帯。
FIG. 1 is a schematic diagram of an embodiment of the present invention, FIG. 2 is a partial longitudinal sectional side view of the main part of the micromanipulator of this embodiment, FIG. 3 is a partial vertical sectional plan view of the upper part of FIG. The figure is a perspective view showing the arrangement relationship between the scale ring and the optical fiber, FIG. 5a is a theoretical schematic diagram of the main part of the scale ring, and FIG. FIG. 5c is a circuit configuration diagram illustrating a mechanism for digitally displaying an analog signal as a pulse signal. M... Micromanipulator, 1... Light transmitting fiber, 2... Light emitting diode, 4, 5... Light receiving fiber, 6, 7... Photo transistor,
8...Reflection band, 9...Absorption band.
Claims (1)
周に沿つて光の反射帯８と吸収帯９とを交互に等
間隔であつて且つ夫々同じ幅員をもつて配列せし
めた処の目盛リング３を回転自在に設置せしめる
と共に、一端に発光ダイオード２を有する送光フ
アイバー１と一端に夫々フオトトランジスター６
，７を有する複数本の受光フアイバー４，５とを
前記目盛リング３を光照射及び光反射すべくマイ
クロマニプレータＭに着脱自在に取付けて成る光
フアイバーを用いたマイクロマニプレータのロー
タリエンコーダ。 (2) 前記目盛リング３の反射帯８又は吸収帯９
の円周方向の幅員を二分の一周期とすると共に、
送光フアイバー１の照射域１０と受光フアイバー
４の受光域１１が重なつた受光フアイバー４の検
出域１２の中心と、送光フアイバー１の照射域１
０と受光フアイバー５の受光域１３が重なつた受
光フアイバー５の検出域１４の中心とが円周方向
で四分の一周期ずれるようにした請求項１記載の
光フアイバーを用いたマイクロマニプレータのロ
ータリエンコーダ。[Claims for Utility Model Registration] (1) Within the main body of the micromanipulator M, light reflection bands 8 and absorption bands 9 are arranged alternately at equal intervals and with the same width along its circumference. A scale ring 3 is rotatably installed at one end, and a light transmitting fiber 1 having a light emitting diode 2 at one end and a phototransistor 6 at one end are installed.
, 7 are detachably attached to the micromanipulator M to irradiate and reflect the scale ring 3 with light. (2) Reflection band 8 or absorption band 9 of the scale ring 3
The width in the circumferential direction is set to half the period, and
The center of the detection area 12 of the light-receiving fiber 4 where the irradiation area 10 of the light-sending fiber 1 and the light-receiving area 11 of the light-receiving fiber 4 overlap, and the irradiation area 1 of the light-sending fiber 1
2. The micromanipulator using an optical fiber according to claim 1, wherein the center of the detection area 14 of the light receiving fiber 5 where the light receiving area 13 of the light receiving fiber 5 overlaps is shifted by a quarter cycle in the circumferential direction. Rotary encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989109728U JPH075372Y2 (en) | 1989-09-21 | 1989-09-21 | Rotary encoder for micromanipulator using optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989109728U JPH075372Y2 (en) | 1989-09-21 | 1989-09-21 | Rotary encoder for micromanipulator using optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0348719U true JPH0348719U (en) | 1991-05-10 |
| JPH075372Y2 JPH075372Y2 (en) | 1995-02-08 |
Family
ID=31658298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989109728U Expired - Lifetime JPH075372Y2 (en) | 1989-09-21 | 1989-09-21 | Rotary encoder for micromanipulator using optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH075372Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190417U (en) * | 1981-05-28 | 1982-12-02 | ||
| JPS5833119A (en) * | 1981-08-21 | 1983-02-26 | Hitachi Ltd | Optical mark detector |
-
1989
- 1989-09-21 JP JP1989109728U patent/JPH075372Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57190417U (en) * | 1981-05-28 | 1982-12-02 | ||
| JPS5833119A (en) * | 1981-08-21 | 1983-02-26 | Hitachi Ltd | Optical mark detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH075372Y2 (en) | 1995-02-08 |
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