GB2094974B - Photoelectric encoder device - Google Patents
Photoelectric encoder deviceInfo
- Publication number
- GB2094974B GB2094974B GB8207294A GB8207294A GB2094974B GB 2094974 B GB2094974 B GB 2094974B GB 8207294 A GB8207294 A GB 8207294A GB 8207294 A GB8207294 A GB 8207294A GB 2094974 B GB2094974 B GB 2094974B
- Authority
- GB
- United Kingdom
- Prior art keywords
- photoelectric encoder
- encoder device
- photoelectric
- encoder
- 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
Links
Classifications
-
- 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
-
- 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
- G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/1446—Devices controlled by radiation in a repetitive configuration
-
- 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)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Transform (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3589681A JPS57149913A (en) | 1981-03-12 | 1981-03-12 | Photoelectric encoder |
JP4263781A JPS57157115A (en) | 1981-03-24 | 1981-03-24 | Photoelectric type encoder |
JP4263981A JPS57157117A (en) | 1981-03-24 | 1981-03-24 | Photoelectric type encoder |
JP4263881A JPS57157116A (en) | 1981-03-24 | 1981-03-24 | Photoelectric type encoder |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2094974A GB2094974A (en) | 1982-09-22 |
GB2094974B true GB2094974B (en) | 1984-11-14 |
Family
ID=27460172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8207294A Expired GB2094974B (en) | 1981-03-12 | 1982-03-12 | Photoelectric encoder device |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3209043C2 (en) |
GB (1) | GB2094974B (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3244339A1 (en) * | 1982-11-30 | 1984-05-30 | Siemens AG, 1000 Berlin und 8000 München | Device for interrogating a line grating irradiated by a light transmitter |
DE3790038T1 (en) * | 1986-03-14 | 1988-03-31 | ||
DE4212281A1 (en) * | 1991-07-11 | 1993-10-14 | Heidenhain Gmbh Dr Johannes | Position-measuring appts. using spatially modulated gratings - produces different aperiodic waveforms from various functional dependences of local grating period on direction of modulation |
DE4210538A1 (en) * | 1992-03-31 | 1994-01-13 | Zentrum Fuer Intelligente Sens | Monolithic integrated sensor for photoelectric incremental distance and angle measurement - has photoelectric sensor and signal processing components on silicon@ chip with regions around bonding islands recessed to depth of 50 to 100 microns |
DE4323712C2 (en) * | 1993-07-15 | 1997-12-11 | Heidenhain Gmbh Dr Johannes | Photoelectric length or angle measuring device |
DE4323624C2 (en) * | 1993-07-15 | 1997-09-11 | Heidenhain Gmbh Dr Johannes | Photoelectric length or angle measuring device |
US5530543A (en) * | 1994-07-06 | 1996-06-25 | Optra, Inc. | Detector array for use in interferometric metrology systems |
GB9425907D0 (en) * | 1994-12-22 | 1995-02-22 | Renishaw Plc | Opto-electronic scale reading apparatus |
GB9522491D0 (en) * | 1995-11-02 | 1996-01-03 | Renishaw Plc | Opto-electronic rotary encoder |
US5936294A (en) * | 1996-05-28 | 1999-08-10 | Motorola, Inc. | Optical semiconductor component and method of fabrication |
JPH11183199A (en) * | 1997-12-25 | 1999-07-09 | Merutekku:Kk | Scale for photosensor |
JP2002009328A (en) * | 2000-06-21 | 2002-01-11 | Mitsutoyo Corp | Photosensitive element array and its manufacturing method |
DE102018109615A1 (en) * | 2018-04-20 | 2019-10-24 | Carmar Accuracy Co., Ltd. | Sensor chip of a reading head of an optical ruler |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1231029A (en) * | 1968-12-13 | 1971-05-05 | ||
NL7403468A (en) * | 1974-03-15 | 1975-09-17 | Philips Nv | DEVICE FOR DETERMINING THE MOVEMENT OF A PART OF A TOOL. |
-
1982
- 1982-03-12 DE DE3209043A patent/DE3209043C2/en not_active Expired
- 1982-03-12 GB GB8207294A patent/GB2094974B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3209043C2 (en) | 1986-09-25 |
GB2094974A (en) | 1982-09-22 |
DE3209043A1 (en) | 1982-11-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980312 |