JPH02135814U - - Google Patents
Info
- Publication number
- JPH02135814U JPH02135814U JP4388989U JP4388989U JPH02135814U JP H02135814 U JPH02135814 U JP H02135814U JP 4388989 U JP4388989 U JP 4388989U JP 4388989 U JP4388989 U JP 4388989U JP H02135814 U JPH02135814 U JP H02135814U
- Authority
- JP
- Japan
- Prior art keywords
- rotary plate
- light
- slits
- signals
- disc part
- 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 4
- 230000003287 optical effect Effects 0.000 claims 1
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案の第１の実施例を示す回転検出
装置の縦断面図、第２図は第２の実施例を示す回
転検出装置の要部縦断面図、第３図および第４図
は従来技術を示し、第３図は回転検出装置の縦断
面図、第４図は第３図中の矢示−方向断面図
である。
２１…回転軸、２２…回転板、２２Ａ…円板部
、２２Ｂ…筒部、２３，２４…スリツト、２５，
４１…回転検出器、２６，４２…検出器本体、２
７，２８，４３…発光素子、２９，３０，４５，
４６…受光素子（受光手段）、３１，４７…ハー
ネス、４４…分光プリズム。
FIG. 1 is a longitudinal sectional view of a rotation detection device showing a first embodiment of the present invention, FIG. 2 is a longitudinal sectional view of main parts of a rotation detection device showing a second embodiment, and FIGS. 3 and 4 3 shows the prior art, FIG. 3 is a longitudinal sectional view of the rotation detection device, and FIG. 4 is a sectional view taken in the direction indicated by the arrow in FIG. 21...Rotating shaft, 22...Rotating plate, 22A...Disc part, 22B...Cylinder part, 23, 24...Slit, 25,
41... Rotation detector, 26, 42... Detector body, 2
7, 28, 43...Light emitting element, 29, 30, 45,
46... Light receiving element (light receiving means), 31, 47... Harness, 44... Spectroscopic prism.
Claims (1)
筒部とを有し、前記円板部の内周が回転軸に固着
された回転板と、該回転板の筒部に小さな間隔を
もつて多数列設された位置信号用のスリツトと、
前記回転板の円板部に大きな間隔をもつて複数個
穿設された参照信号用のスリツトと、前記回転板
の一面側に設けられ、該参照信号用および位置信
号用のスリツトに向けて光を発光する発光手段と
、前記位置信号用のスリツトと対向して回転板の
他面側に設けられ、該発光手段からの光を受光し
て位置信号を出力する第１の受光手段と、前記参
照信号用のスリツトと対向して回転板の他面側に
設けられ、前記発光手段からの光を受光して参照
信号を出力する第２の受光手段とから構成してな
る光学式回転検出装置。 A rotary plate having a disc part and a cylindrical part protruding in the axial direction from the outer periphery of the disc part, the inner periphery of the disc part being fixed to a rotating shaft, and a small interval between the cylindrical part of the rotary plate. slits for position signals arranged in multiple rows with
A plurality of slits for reference signals are formed at large intervals in the disk portion of the rotary plate, and slits for reference signals and position signals are provided on one side of the rotary plate, and light is emitted toward the slits for reference signals and position signals. a first light receiving means provided on the other side of the rotary plate opposite to the position signal slit and receiving light from the light emitting means and outputting a position signal; an optical rotation detection device comprising a second light receiving means provided on the other side of the rotary plate facing the reference signal slit and receiving light from the light emitting means and outputting a reference signal; .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4388989U JPH02135814U (en) | 1989-04-14 | 1989-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4388989U JPH02135814U (en) | 1989-04-14 | 1989-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135814U true JPH02135814U (en) | 1990-11-13 |
Family
ID=31556695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4388989U Pending JPH02135814U (en) | 1989-04-14 | 1989-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005249791A (en) * | 2004-03-03 | 2005-09-15 | Carl Freudenberg Kg | Angle measuring device |
-
1989
- 1989-04-14 JP JP4388989U patent/JPH02135814U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005249791A (en) * | 2004-03-03 | 2005-09-15 | Carl Freudenberg Kg | Angle measuring device |
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