IT1059761B - Dispositivo ottico per determinare la posizione di un organo mobile - Google Patents
Dispositivo ottico per determinare la posizione di un organo mobileInfo
- Publication number
- IT1059761B IT1059761B IT22925/76A IT2292576A IT1059761B IT 1059761 B IT1059761 B IT 1059761B IT 22925/76 A IT22925/76 A IT 22925/76A IT 2292576 A IT2292576 A IT 2292576A IT 1059761 B IT1059761 B IT 1059761B
- Authority
- IT
- Italy
- Prior art keywords
- optical device
- mobile body
- mobile
- optical
- Prior art date
Links
- VJYFKVYYMZPMAB-UHFFFAOYSA-N ethoprophos Chemical compound CCCSP(=O)(OCC)SCCC VJYFKVYYMZPMAB-UHFFFAOYSA-N 0.000 title 1
- 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
- G01D5/34776—Absolute encoders with analogue or digital scales
- G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
-
- 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
- H03M1/308—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental with additional pattern means for determining the absolute position, e.g. reference marks
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7514339A FR2310549A1 (fr) | 1975-05-07 | 1975-05-07 | Perfectionnements aux dispositifs optiques de determination de la position d'un organe mobile |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1059761B true IT1059761B (it) | 1982-06-21 |
Family
ID=9154984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22925/76A IT1059761B (it) | 1975-05-07 | 1976-05-03 | Dispositivo ottico per determinare la posizione di un organo mobile |
Country Status (9)
Country | Link |
---|---|
US (1) | US4074258A (it) |
JP (1) | JPS51136441A (it) |
CA (1) | CA1091325A (it) |
CH (1) | CH607721A5 (it) |
DE (1) | DE2619494C2 (it) |
FR (1) | FR2310549A1 (it) |
GB (1) | GB1515467A (it) |
IT (1) | IT1059761B (it) |
NL (1) | NL7604898A (it) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2758525B1 (de) * | 1977-12-28 | 1979-06-28 | Heidenhain Gmbh Dr Johannes | Messeinrichtung mit codierter Unterteilung |
JPS5492364A (en) * | 1977-12-29 | 1979-07-21 | Seiko Epson Corp | Watch |
DE2967525D1 (en) * | 1978-12-19 | 1985-11-07 | Toshiba Kk | Encoder for length or angle measuring devices with high accuracy |
JPS56159794A (en) * | 1980-05-12 | 1981-12-09 | Tokyo Optical | Length or angle measuring device |
JPS56159798A (en) * | 1980-05-12 | 1981-12-09 | Tokyo Shibaura Electric Co | Length or angle measuring device |
JPS56159797A (en) * | 1980-05-12 | 1981-12-09 | Tokyo Shibaura Electric Co | Data reader for storage effect type sensor |
JPS56159796A (en) * | 1980-05-12 | 1981-12-09 | Tokyo Optical | Data reader for storage effect type sensor |
JPS56159795A (en) * | 1980-05-12 | 1981-12-09 | Tokyo Optical | Data reader for storage effect type sensor |
JPS576995A (en) * | 1980-06-17 | 1982-01-13 | Tokyo Optical | Absolute encoder using optical sensor array device |
DE3104972C2 (de) * | 1981-02-12 | 1985-06-20 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Lichtelektrische inkrementale Positioniereinrichtung |
JPS5829093A (ja) * | 1981-08-13 | 1983-02-21 | 株式会社トプコン | アブソリユ−トエンコ−ダ |
JPS5873803A (ja) * | 1981-08-26 | 1983-05-04 | Keihin Densokuki Kk | 光学式リニアスケ−ル |
WO1984001027A1 (en) * | 1982-09-01 | 1984-03-15 | Rosemount Eng Co Ltd | Position measuring apparatus |
GB2126444B (en) * | 1982-09-01 | 1986-03-19 | Rosemount Eng Co Ltd | Position measuring apparatus |
DD219566A1 (de) * | 1983-08-05 | 1985-03-06 | Harry Trumpold | Hochaufloesendes optisches laengenmessverfahren mit codiertem absolutmassstab zur durchfuehrung des verfahrens |
US4560870A (en) * | 1983-08-22 | 1985-12-24 | Tokyo Shibaura Denki Kabushiki Kaisha | Graticule sensor having a plurality of light detectors |
US4863039A (en) * | 1983-12-23 | 1989-09-05 | Three Phoenix Company | Apparatus and method for handling a flexible disk for testing |
DE3427411C2 (de) * | 1984-07-25 | 1987-01-08 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Meßeinrichtung |
US5058893A (en) * | 1985-01-02 | 1991-10-22 | Igt | Reel monitoring device for an amusement machine |
US4911449A (en) * | 1985-01-02 | 1990-03-27 | I G T | Reel monitoring device for an amusement machine |
US4720699A (en) * | 1985-10-28 | 1988-01-19 | Smith Ronald H | Optical encoder using line array detectors |
US4901073A (en) * | 1986-12-04 | 1990-02-13 | Regent Of The University Of California | Encoder for measuring the absolute position of moving elements |
US4899048A (en) * | 1987-04-27 | 1990-02-06 | Printware, Inc. | Focused optical beam encoder of position |
GB2210525B (en) * | 1987-09-30 | 1991-11-20 | Okuma Machinery Works Ltd | Optical encoder |
DE3809569A1 (de) * | 1988-03-22 | 1989-10-05 | Frankl & Kirchner | Positionsgeber |
US5258931A (en) * | 1988-07-08 | 1993-11-02 | Parker-Hannifin Corporation | Precision electronic absolute and relative position sensing device and method of using same |
CA1338291C (en) * | 1988-07-08 | 1996-04-30 | William L. Hassler, Jr. | Precision electronic absolute and relative position sensing device and method of using same |
US5280161A (en) * | 1988-11-18 | 1994-01-18 | West Electric Company, Ltd. | Apparatus for optically reading a bar code |
JP2715655B2 (ja) * | 1990-11-21 | 1998-02-18 | 株式会社デンソー | 非接触式移動量測定方法およびその装置 |
US5294793A (en) * | 1991-08-23 | 1994-03-15 | Rsf-Elektronik Gesellschaft M.B.H. | System for measuring lengths or angles with a high-velocity movable scanning unit |
JP3375416B2 (ja) * | 1994-03-16 | 2003-02-10 | ペンタックス株式会社 | データシンボル読み取り装置 |
US5541405A (en) * | 1994-07-27 | 1996-07-30 | Parker-Hannifin Corporation | Method and device for continuous pattern sensing using fiber optics |
KR100264312B1 (ko) * | 1995-10-13 | 2000-08-16 | 디지래드 | 개선된 전하 수집능력을 갖는 반도체 방사선 검출기 |
GB9605278D0 (en) * | 1996-03-13 | 1996-05-15 | Renishaw Plc | Opto-electronic scale reading apparatus |
DE59706336D1 (de) * | 1996-12-02 | 2002-03-21 | Trw Automotive Electron & Comp | Absolutwertgeber, insbesondere drehgeber zur erfassung des lenkwinkels eines kraftfahrzeugs |
US5864126A (en) * | 1996-12-11 | 1999-01-26 | Ncr Corporation | Self reading permanent electronic label for a computing device |
US5938529A (en) * | 1997-03-17 | 1999-08-17 | Unislot, Inc. | Reel type slot machine having stepper motor monitoring system |
DE19744195C2 (de) * | 1997-09-30 | 2000-01-13 | Mannesmann Ag | Verfahren und Vorrichtung zur Meßbereichserweiterung eines optischen Meßsystems |
DE19813803C1 (de) * | 1998-03-23 | 2000-01-05 | Klaus Gorny | Meßanordnung zur Messung von Längen und Abständen |
GB9807020D0 (en) | 1998-04-02 | 1998-06-03 | Bamford Excavators Ltd | A method of marking a mechanical element, an encoding scheme, a reading means for said marking and an apparatus for determining the position of said element |
US6175109B1 (en) * | 1998-12-16 | 2001-01-16 | Renco Encoders, Inc. | Encoder for providing incremental and absolute position data |
DE19939643B4 (de) * | 1999-08-18 | 2005-10-13 | Trimble Jena Gmbh | Einrichtung und Verfahren zur Positionsbestimmung zwischen zwei relativ zueinander beweglichen Teilen |
US6739509B2 (en) * | 2001-10-03 | 2004-05-25 | Kimberly-Clark Worldwide, Inc. | Registration mark detection using matched filtering |
CN100340416C (zh) * | 2004-01-30 | 2007-10-03 | 明基电通股份有限公司 | 校正装置与方法和具有校正装置的喷墨打印机 |
DE102004018404B4 (de) * | 2004-04-16 | 2015-06-25 | Leuze Electronic Gmbh & Co. Kg | Optoelektronische Vorrichtung |
EP1936331A4 (en) * | 2005-10-13 | 2015-12-09 | Hamamatsu Photonics Kk | ENCODER AND LIGHT RECEIVING DEVICE FOR ENCODER |
JP2008096205A (ja) * | 2006-10-10 | 2008-04-24 | Hamamatsu Photonics Kk | エンコーダ及びエンコーダ用受光装置 |
US20080305850A1 (en) * | 2007-06-07 | 2008-12-11 | Aruze Gaming America, Inc. | Gaming machine specifying relation between symbols using two-dimensional code and playing method thereof |
US20080305846A1 (en) * | 2007-06-08 | 2008-12-11 | Aruze Gaming America, Inc. | Slot Machine With Symbol Sensor And Control Method Thereof |
US20080305848A1 (en) * | 2007-06-08 | 2008-12-11 | Aruze Gaming America, Inc. | Slot machine with symbol sensor and control method thereof |
US20080305847A1 (en) * | 2007-06-11 | 2008-12-11 | Aruze Gaming America, Inc. | Slot machine with symbol detection feature |
US20090098926A1 (en) * | 2007-10-16 | 2009-04-16 | Aruze Gaming America, Inc. | Slot machine with symbol detection feature |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1867631U (de) * | 1961-04-21 | 1963-02-21 | Wenczler & Heidenhain | Vorrichtung zur ablesung von skalen. |
AT288050B (de) * | 1968-01-29 | 1971-02-25 | Leitz Ernst Gmbh | Einrichtung zum Messen von Längen oder Winkeln |
US3556235A (en) * | 1969-09-15 | 1971-01-19 | Hobart Mfg Co | Photocell checking circuit for optical weighing scale |
US3648276A (en) * | 1969-12-11 | 1972-03-07 | Warner Swasey Co | Segmented scale |
US3862400A (en) * | 1972-03-31 | 1975-01-21 | Electronics Corp America | Sensing system for bar patterns |
US3913095A (en) * | 1973-07-19 | 1975-10-14 | Pitney Bowes Inc | Photodetector compensating circuit for a postage metering system |
CH571212A5 (it) * | 1973-08-15 | 1975-12-31 | Dixi Sa |
-
1975
- 1975-05-07 FR FR7514339A patent/FR2310549A1/fr active Granted
-
1976
- 1976-05-03 US US05/682,347 patent/US4074258A/en not_active Expired - Lifetime
- 1976-05-03 IT IT22925/76A patent/IT1059761B/it active
- 1976-05-03 DE DE2619494A patent/DE2619494C2/de not_active Expired
- 1976-05-04 GB GB18064/76A patent/GB1515467A/en not_active Expired
- 1976-05-05 CH CH561276A patent/CH607721A5/xx not_active IP Right Cessation
- 1976-05-05 CA CA251,818A patent/CA1091325A/en not_active Expired
- 1976-05-07 NL NL7604898A patent/NL7604898A/xx not_active Application Discontinuation
- 1976-05-07 JP JP51052024A patent/JPS51136441A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1515467A (en) | 1978-06-28 |
DE2619494A1 (de) | 1976-11-18 |
NL7604898A (nl) | 1976-11-09 |
DE2619494C2 (de) | 1984-05-30 |
US4074258A (en) | 1978-02-14 |
CA1091325A (en) | 1980-12-09 |
FR2310549A1 (fr) | 1976-12-03 |
CH607721A5 (it) | 1978-10-13 |
FR2310549B1 (it) | 1979-07-06 |
JPS51136441A (en) | 1976-11-25 |
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