JPH0376428B2 - - Google Patents
Info
- Publication number
- JPH0376428B2 JPH0376428B2 JP57152014A JP15201482A JPH0376428B2 JP H0376428 B2 JPH0376428 B2 JP H0376428B2 JP 57152014 A JP57152014 A JP 57152014A JP 15201482 A JP15201482 A JP 15201482A JP H0376428 B2 JPH0376428 B2 JP H0376428B2
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- light
- pitch
- photodiode
- slit
- 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.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 5
- 239000011295 pitch Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
- 101150068263 putA gene Proteins 0.000 description 3
- 101100245135 Bacillus subtilis (strain 168) putB gene Proteins 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 102100025490 Slit homolog 1 protein Human genes 0.000 description 1
- 101710123186 Slit homolog 1 protein Proteins 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/24471—Error correction
- G01D5/24476—Signal processing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/12—Analogue/digital converters
- H03M1/22—Analogue/digital converters pattern-reading type
- H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
- H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
- H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Optical Transform (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57152014A JPS5940258A (ja) | 1982-08-31 | 1982-08-31 | 光電式ロ−タリ−エンコ−ダ |
US06/521,933 US4654525A (en) | 1982-08-31 | 1983-08-10 | Optical rotary encoder |
DE8383304927T DE3380038D1 (en) | 1982-08-31 | 1983-08-25 | Optical rotary encoder |
EP83304927A EP0102241B1 (en) | 1982-08-31 | 1983-08-25 | Optical rotary encoder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57152014A JPS5940258A (ja) | 1982-08-31 | 1982-08-31 | 光電式ロ−タリ−エンコ−ダ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5940258A JPS5940258A (ja) | 1984-03-05 |
JPH0376428B2 true JPH0376428B2 (zh) | 1991-12-05 |
Family
ID=15531172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57152014A Granted JPS5940258A (ja) | 1982-08-31 | 1982-08-31 | 光電式ロ−タリ−エンコ−ダ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5940258A (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0614067B2 (ja) * | 1985-04-28 | 1994-02-23 | マツダ株式会社 | 回転検出装置 |
US4691101A (en) * | 1985-06-19 | 1987-09-01 | Hewlett-Packard Company | Optical positional encoder comprising immediately adjacent detectors |
JPH0532823U (ja) * | 1991-10-08 | 1993-04-30 | 株式会社リズム | ボールジヨイント |
US5820462A (en) * | 1994-08-02 | 1998-10-13 | Nintendo Company Ltd. | Manipulator for game machine |
EP0947949B1 (en) * | 1995-05-10 | 2002-08-21 | Nintendo Co., Limited | Operating device with analog joystick |
US6283857B1 (en) | 1996-09-24 | 2001-09-04 | Nintendo Co., Ltd. | Three-dimensional image processing apparatus with enhanced automatic and user point of view control |
JPH09167050A (ja) * | 1995-10-09 | 1997-06-24 | Nintendo Co Ltd | 操作装置およびそれを用いる画像処理システム |
KR100371456B1 (ko) | 1995-10-09 | 2004-03-30 | 닌텐도가부시키가이샤 | 삼차원화상처리시스템 |
JP3544268B2 (ja) * | 1995-10-09 | 2004-07-21 | 任天堂株式会社 | 三次元画像処理装置およびそれを用いた画像処理方法 |
CN1109960C (zh) * | 1995-11-10 | 2003-05-28 | 任天堂株式会社 | 万向操作杆装置 |
US6241610B1 (en) | 1996-09-20 | 2001-06-05 | Nintendo Co., Ltd. | Three-dimensional image processing system having dynamically changing character polygon number |
JP2001066155A (ja) * | 1999-08-31 | 2001-03-16 | Harmonic Drive Syst Ind Co Ltd | レンズを用いた結像方式エンコーダ |
DE19963809C2 (de) * | 1999-12-30 | 2002-01-17 | Osram Opto Semiconductors Gmbh | Optischer Encoder mit dreifacher Photodiode |
JP2005017116A (ja) | 2003-06-26 | 2005-01-20 | Sharp Corp | 光学式エンコーダ用受光素子 |
JP2008083019A (ja) | 2006-08-30 | 2008-04-10 | Sharp Corp | 光電式エンコーダおよびそれを用いた電子機器 |
US7820957B2 (en) | 2007-07-05 | 2010-10-26 | Sharp Kabushiki Kaisha | Optical encoder for detecting movement of a moving object and electronic equipment including the optical encoder |
JP5507174B2 (ja) * | 2009-09-25 | 2014-05-28 | システム・インスツルメンツ株式会社 | 筋力トレーニング機械の運動状況検出装置 |
JP6123024B2 (ja) | 2014-04-25 | 2017-04-26 | シャープ株式会社 | 光学式エンコーダ |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4919867A (zh) * | 1972-03-20 | 1974-02-21 | ||
JPS5232380A (en) * | 1975-09-05 | 1977-03-11 | Yaskawa Electric Mfg Co Ltd | Photoelectric type revolution speed detector |
JPS5235302A (en) * | 1975-09-12 | 1977-03-17 | Nippon Denso Co Ltd | Liquid supplypump |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54184184U (zh) * | 1978-06-16 | 1979-12-27 | ||
JPS55130213U (zh) * | 1979-03-08 | 1980-09-13 |
-
1982
- 1982-08-31 JP JP57152014A patent/JPS5940258A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4919867A (zh) * | 1972-03-20 | 1974-02-21 | ||
JPS5232380A (en) * | 1975-09-05 | 1977-03-11 | Yaskawa Electric Mfg Co Ltd | Photoelectric type revolution speed detector |
JPS5235302A (en) * | 1975-09-12 | 1977-03-17 | Nippon Denso Co Ltd | Liquid supplypump |
Also Published As
Publication number | Publication date |
---|---|
JPS5940258A (ja) | 1984-03-05 |
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