IT1184495B - Codificatore (encoder) ottico incrementale a nonio accordato - Google Patents
Codificatore (encoder) ottico incrementale a nonio accordatoInfo
- Publication number
- IT1184495B IT1184495B IT20510/85A IT2051085A IT1184495B IT 1184495 B IT1184495 B IT 1184495B IT 20510/85 A IT20510/85 A IT 20510/85A IT 2051085 A IT2051085 A IT 2051085A IT 1184495 B IT1184495 B IT 1184495B
- Authority
- IT
- Italy
- Prior art keywords
- incorrected
- encoder
- optical coder
- vernier
- vernier optical
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title 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
- G01D5/26—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
- G01D5/347—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 using displacement encoding scales
- G01D5/3473—Circular or rotary encoders
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20510/85A IT1184495B (it) | 1985-04-26 | 1985-04-26 | Codificatore (encoder) ottico incrementale a nonio accordato |
US06/847,474 US4686362A (en) | 1985-04-26 | 1986-04-03 | Incremental optical encoder with a tuned vernier |
GB08609262A GB2174493B (en) | 1985-04-26 | 1986-04-16 | Incremental optical encoder |
FR8605767A FR2581179B3 (fr) | 1985-04-26 | 1986-04-22 | Encodeur optique incremental a vernier accorde |
DE19863613873 DE3613873A1 (de) | 1985-04-26 | 1986-04-24 | Optischer incrementalcodierer mit abgestimmtem nonius |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20510/85A IT1184495B (it) | 1985-04-26 | 1985-04-26 | Codificatore (encoder) ottico incrementale a nonio accordato |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8520510A0 IT8520510A0 (it) | 1985-04-26 |
IT1184495B true IT1184495B (it) | 1987-10-28 |
Family
ID=11168024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20510/85A IT1184495B (it) | 1985-04-26 | 1985-04-26 | Codificatore (encoder) ottico incrementale a nonio accordato |
Country Status (5)
Country | Link |
---|---|
US (1) | US4686362A (it) |
DE (1) | DE3613873A1 (it) |
FR (1) | FR2581179B3 (it) |
GB (1) | GB2174493B (it) |
IT (1) | IT1184495B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0727763Y2 (ja) * | 1986-11-21 | 1995-06-21 | 株式会社ナブコ | ブレ−キ制御器または主幹制御器 |
JPH0747682Y2 (ja) * | 1987-12-03 | 1995-11-01 | 株式会社東海理化電機製作所 | 自動車用ステアリングホイールの回転検出装置 |
DE3820906A1 (de) * | 1988-06-21 | 1989-12-28 | Bodenseewerk Geraetetech | Winkelabgriff hoher aufloesung |
US5097164A (en) * | 1988-12-29 | 1992-03-17 | Canon Kabushiki Kaisha | Hermetically sealed type dynamic pressure fluid bearing motor |
US4991125A (en) * | 1989-04-19 | 1991-02-05 | Mitutoyo Corporation | Displacement detector |
US5013912A (en) * | 1989-07-14 | 1991-05-07 | University Of The Pacific | General phase modulation method for stored waveform inverse fourier transform excitation for fourier transform ion cyclotron resonance mass spectrometry |
DE3934339A1 (de) * | 1989-10-14 | 1991-04-25 | Heidenhain Gmbh Dr Johannes | Teilungstraeger aus kunststoff mit einer teilungsstruktur |
DE4300663C1 (de) * | 1993-01-13 | 1994-06-23 | Kostal Leopold Gmbh & Co Kg | Optischer Lenkwinkelsensor |
KR100818018B1 (ko) * | 2004-03-31 | 2008-03-31 | 미쓰비시덴키 가부시키가이샤 | 광학식 로터리 인코더 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3163858A (en) * | 1960-03-18 | 1964-12-29 | Gen Precision Inc | Analog-to-digital converter |
US3725902A (en) * | 1970-07-01 | 1973-04-03 | Veeder Industries Inc | Optical endcoder |
US3725904A (en) * | 1971-07-23 | 1973-04-03 | Itek Corp | Encoder with a redundant optical system |
IT1116276B (it) * | 1977-12-30 | 1986-02-10 | Olivetti & Co Spa | Trasduttore di posizione angolare per un organo ruotante |
US4385234A (en) * | 1980-11-25 | 1983-05-24 | Bei Electronics, Inc. | Optical systems for optical encoders |
DE3228507C2 (de) * | 1982-07-30 | 1986-11-13 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Winkelmeßeinrichtung |
US4654525A (en) * | 1982-08-31 | 1987-03-31 | Sharp Kabushiki Kaisha | Optical rotary encoder |
US4628200A (en) * | 1984-08-20 | 1986-12-09 | Westinghouse Electric Corp. | Pulse wheel system with shaft mounting |
-
1985
- 1985-04-26 IT IT20510/85A patent/IT1184495B/it active
-
1986
- 1986-04-03 US US06/847,474 patent/US4686362A/en not_active Expired - Fee Related
- 1986-04-16 GB GB08609262A patent/GB2174493B/en not_active Expired
- 1986-04-22 FR FR8605767A patent/FR2581179B3/fr not_active Expired
- 1986-04-24 DE DE19863613873 patent/DE3613873A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
IT8520510A0 (it) | 1985-04-26 |
DE3613873A1 (de) | 1986-11-06 |
FR2581179B3 (fr) | 1987-07-24 |
FR2581179A1 (fr) | 1986-10-31 |
GB2174493A (en) | 1986-11-05 |
GB8609262D0 (en) | 1986-05-21 |
DE3613873C2 (it) | 1993-09-02 |
US4686362A (en) | 1987-08-11 |
GB2174493B (en) | 1988-09-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970506 |