CH673537A5 - - Google Patents
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- Publication number
- CH673537A5 CH673537A5 CH358187A CH358187A CH673537A5 CH 673537 A5 CH673537 A5 CH 673537A5 CH 358187 A CH358187 A CH 358187A CH 358187 A CH358187 A CH 358187A CH 673537 A5 CH673537 A5 CH 673537A5
- Authority
- CH
- Switzerland
- Prior art keywords
- output
- light
- input
- stage
- circuit
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 8
- 230000011514 reflex Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B13/00—Control arrangements specially designed for centrifuges; Programme control of centrifuges
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Centrifugal Separators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD29845786A DD270644A3 (de) | 1986-12-24 | 1986-12-24 | Schaltungsanordnung zur optoelektronischen drehzahlabtastung, insbesondere an zentrifugen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH673537A5 true CH673537A5 (cs) | 1990-03-15 |
Family
ID=5585674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH358187A CH673537A5 (cs) | 1986-12-24 | 1987-09-17 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH673537A5 (cs) |
| DD (1) | DD270644A3 (cs) |
| DE (1) | DE3730725A1 (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4014431C1 (cs) * | 1990-05-05 | 1991-07-04 | Heraeus Sepatech Gmbh, 3360 Osterode, De | |
| DE4224409B4 (de) * | 1992-07-24 | 2005-08-25 | Deutsche Thomson-Brandt Gmbh | Verfahren zur Kompensation von Änderungen der Parameter eines optischen Senders und eines als optischen Empfänger dienenden Phototransistors |
| US6572523B2 (en) * | 2001-04-05 | 2003-06-03 | Fleetguard, Inc. | Centrifuge rotation indicator |
| CN104307646B (zh) * | 2014-10-29 | 2016-08-24 | 成都美益达医疗科技有限公司 | 血液离心机简易自停电路 |
-
1986
- 1986-12-24 DD DD29845786A patent/DD270644A3/de not_active IP Right Cessation
-
1987
- 1987-09-12 DE DE19873730725 patent/DE3730725A1/de not_active Withdrawn
- 1987-09-17 CH CH358187A patent/CH673537A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3730725A1 (de) | 1988-07-07 |
| DD270644A3 (de) | 1989-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |