CH678457A5 - - Google Patents
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- Publication number
- CH678457A5 CH678457A5 CH320087A CH320087A CH678457A5 CH 678457 A5 CH678457 A5 CH 678457A5 CH 320087 A CH320087 A CH 320087A CH 320087 A CH320087 A CH 320087A CH 678457 A5 CH678457 A5 CH 678457A5
- Authority
- CH
- Switzerland
- Prior art keywords
- mark
- photodetectors
- voltage
- passage
- light
- Prior art date
Links
- 230000003595 spectral effect Effects 0.000 claims description 8
- 230000032683 aging Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000003750 conditioning effect Effects 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 2
- 230000002123 temporal effect Effects 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000011109 contamination Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012360 testing method 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
- G01D5/26—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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH320087A CH678457A5 (en:Method) | 1987-08-20 | 1987-08-20 | |
| DE19873730102 DE3730102A1 (de) | 1987-08-20 | 1987-09-08 | Einrichtung zum erkennen einer marke an einer rotorscheibe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH320087A CH678457A5 (en:Method) | 1987-08-20 | 1987-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH678457A5 true CH678457A5 (en:Method) | 1991-09-13 |
Family
ID=4250819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH320087A CH678457A5 (en:Method) | 1987-08-20 | 1987-08-20 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH678457A5 (en:Method) |
| DE (1) | DE3730102A1 (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19853084A1 (de) * | 1998-11-18 | 2000-05-25 | Schlafhorst & Co W | Verfahren und Vorrichtung zur berührungslosen Drehzahlmessung eines rotierenden Körpers |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4116579C2 (de) * | 1991-05-21 | 1993-11-04 | Busch Dieter & Co Prueftech | Verfahren und vorrichtung zum bestimmen der drehzahl und der winkellage rotierender einrichtungen |
| JPH0518711A (ja) * | 1991-07-16 | 1993-01-26 | Mitsubishi Electric Corp | 位置検出方法及びその装置 |
| DE10300224A1 (de) * | 2003-01-03 | 2004-07-22 | Gerd Reime | Optoelektronische Messanordnung sowie damit versehener Drehknopf |
| DE102015012811B4 (de) * | 2015-10-02 | 2017-07-27 | Audi Ag | Optischer Drehwinkelsensor für ein Kraftfahrzeug, System mit einem optischen Drehwinkelsensor und Verfahren zur Bestimmung eines Drehwinkels |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3399347A (en) * | 1964-01-09 | 1968-08-27 | Bausch & Lomb | Photoelectric system for generating a signal proportional to the movement of a meter |
| FR2029816A5 (en:Method) * | 1969-01-23 | 1970-10-23 | Thomson Brandt Csf | |
| DE2311676A1 (de) * | 1973-03-09 | 1974-09-26 | Intermadox Ag | Weg-spannungswandler |
| US4096383A (en) * | 1976-11-08 | 1978-06-20 | Gilbert & Barker Manufacturing Company | Pulse-generating apparatus responsive to shaft rotation |
| DE3700777C2 (de) * | 1986-01-14 | 1994-05-05 | Canon Kk | Vorrichtung zur Erfassung der Position eines Objektes |
-
1987
- 1987-08-20 CH CH320087A patent/CH678457A5/de not_active IP Right Cessation
- 1987-09-08 DE DE19873730102 patent/DE3730102A1/de not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19853084A1 (de) * | 1998-11-18 | 2000-05-25 | Schlafhorst & Co W | Verfahren und Vorrichtung zur berührungslosen Drehzahlmessung eines rotierenden Körpers |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3730102A1 (de) | 1989-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |