DE2939643A1 - INDUCTIVE SPEED OR ROTATIONAL ENCODER - Google Patents
INDUCTIVE SPEED OR ROTATIONAL ENCODERInfo
- Publication number
- DE2939643A1 DE2939643A1 DE19792939643 DE2939643A DE2939643A1 DE 2939643 A1 DE2939643 A1 DE 2939643A1 DE 19792939643 DE19792939643 DE 19792939643 DE 2939643 A DE2939643 A DE 2939643A DE 2939643 A1 DE2939643 A1 DE 2939643A1
- Authority
- DE
- Germany
- Prior art keywords
- segments
- tooth
- teeth
- encoder
- rotation
- 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.)
- Ceased
Links
- 230000001939 inductive effect Effects 0.000 title claims description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
- F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
- F02P7/067—Electromagnetic pick-up devices, e.g. providing induced current in a coil
- F02P7/0675—Electromagnetic pick-up devices, e.g. providing induced current in a coil with variable reluctance, e.g. depending on the shape of a tooth
-
- 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
- G01D5/12—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 using electric or magnetic means
- G01D5/14—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 using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/2006—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/2013—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 using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
-
- 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
Description
κ. 5742κ. 5742
II.9.I979 Lr/SmII.9.1979 Lr / Sm
Die Erfindung betrifft einen induktiven Geber zur Erfassung der Drehzahl und/oder eines markierten Drehwinkels einer Welle mit Hilfe einer mit der Welle umlaufenden Scheibe, die an ihrem Umfang mehrere, in Drehrichtung hintereinanderliegende, aus je einem Zahn und einer anschließenden Zahnlücke bestehende Segmente aufweist, die hinsichtlich des axialen Abstandes der Umfangsfläche der Zähne und der Zahnlücken sowie der in Umfangsrichtung gemessenen Breite der Zähne und der Zahnlücken untereinander wenigstens annähernd kongruent ausgebildet sind.The invention relates to an inductive transmitter for detecting the speed and / or a marked angle of rotation a shaft with the help of a rotating disk with the shaft, which has several on its circumference, in the direction of rotation has segments lying one behind the other, each consisting of a tooth and an adjoining tooth gap, those with regard to the axial distance between the circumferential surface of the teeth and the tooth gaps as well as that in the circumferential direction measured width of the teeth and the tooth gaps are at least approximately congruent with one another are.
Der Erfindung liegt die Aufgabe zugunde bei einer derartigen, vorzugsweise aus ferromagnetischem Material hergestellten Scheibe eine Markierung im Randbereich zu schaffen, die mit einfachen Mitteln gegenüber den untereinander kongruenten Segmenten erkannt werden kann. Hierzu ist erfindungsgemäß vorgesehen, daß im Bereich des markierten Drehwinkels wenigstens ein Segment liegt,The invention is based on the object of such a material, preferably made of ferromagnetic material produced disc to create a marking in the edge area, which with simple means opposite each other congruent segments can be recognized. For this purpose, the invention provides that in the area of at least one segment lies at the marked angle of rotation,
. .12 130016/0237. .12 130016/0237
Lr/SmLr / Sm
dessen Zahn in Umfangsrichtung breiter ausgebildet ist als an den übrigen, untereinander kongruenten Segmenten. Vorteilhaft können zwei aneinander grenzende Segmente vorgesehen sein, bei denen beide Zähne verbreitert sind. Bei einer bevorzugten Ausführungsform weisen die beiden aneinandergrenzenden Segmente die gleiche Teilung hinsichtlich ihres zugehörigen Zentriwinkels wie die übrigen Segmente auf, wobei jedoch zwischen den beiden Zähnen keine oder nur eine wesentlich schmalere Zahnlücke als bei den übrigen, kongruenten Segmenten vorgesehen ist.whose tooth is made wider in the circumferential direction than on the other, mutually congruent segments. Advantageously, two adjacent segments can be provided in which both teeth are widened. In a preferred embodiment, the two adjoining segments have the same division in terms of their associated central angle as the remaining segments, but with no or only a much narrower tooth gap between the two teeth than is provided for the other, congruent segments.
Die Erfindung ist nachstehend anhand dreier in der Zeichnung dargestellter Ausführungsbeispiele näher beschrieben und erläutert.The invention is described in more detail below with reference to three exemplary embodiments shown in the drawing and explained.
Es zeigen:Show it:
Fig. 1 eine erfindungsgemäße Geberscheibe in axialerFig. 1 shows a transducer disk according to the invention in an axial
Draufsicht und in einem etwa 80° umfassenden Ausschnitt, Top view and in a section encompassing about 80 °,
Fig. 2 eine lineare Abwicklung des Randbereiches der Geberscheibe nach Fig. 1 undFig. 2 is a linear development of the edge area of the Encoder disk according to Fig. 1 and
Fig. 3 ein Zeitschaubild der Spannung, welche in der in Fig. 1 bei T angedeuteten Abtasteinrichtung erzeugt wird;FIG. 3 shows a time diagram of the voltage which is generated in the scanning device indicated at T in FIG is produced;
Fig. 4 eine Abwicklung einer im übrigen nicht dargestellten, abgewandelten Geberscheibe undFig. 4 is a development of an otherwise not shown, modified encoder disc and
Fig. 5 ein zugehöriges Spannungsschaubild; Fig. 6 die Abwicklung einer anderen Geberscheibe und5 shows an associated voltage diagram; Fig. 6 shows the development of another encoder disk and
Fig. 7 ein zugehöriges Spannungsschaubild bei einer Winkelmarkierung nach Fig. 6.FIG. 7 shows an associated voltage diagram for an angle marking according to FIG. 6.
Die in Fig. 1 dargestellte, z. B. aus Eisenblech gestanzte Geberscheibe S ist an ihrem Umfang z. B. in 36 Segmente s The shown in Fig. 1 , for. B. punched from sheet iron encoder disc S is z. B. in 36 segments s
../3 130016/0237 ../3 130016/0237
R· 57 42 R 57 42
Lr /SmLr / Sm
unterteilt, die sich jeweils über 10° erstrecken. Jedes dieser Segmente s hat einen von 36 Zähnen, von welchen in Fig. 1 die zu kongruenten Segmenten gehörenden Zähne mit 1 bis 6 bezeichnet sind. Zu jedem Segment gehört außerdem eine Zahnlücke 7, deren Grund durch einen Radius r2 begrenzt ist, während die Zähne an ihrer Umfangsflache einen größeren Radius rl haben.divided, each extending over 10 °. Each of these segments s has one of 36 teeth, of which the teeth belonging to congruent segments are denoted by 1 to 6 in FIG. Each segment also has a tooth gap 7, the base of which is limited by a radius r2, while the teeth have a larger radius r1 on their circumferential surface.
Wenn sich die Scheibe S, die auf einer bei W angedeuteten Welle einer Brennkraftmaschine, beispielsweise deren Verteilerwelle sitzt, in Richtung des eingezeichneten Pfeiles dreht, laufen die Zähne der Geberscheibe nacheinander an einer induktiven Tasteinrichtung T vorbei und induzieren in einer zur Tasteinrichtung T gehörenden Spule 8 etwa sinusförmige Wechselspannungshalbwellen der in Fig. 3 bei 9 angedeuteten Art.If the disk S, which is on an indicated at W shaft of an internal combustion engine, for example their Distributor shaft is seated, rotates in the direction of the arrow, the teeth of the encoder disc run one after the other past an inductive sensing device T and induce in one belonging to the sensing device T. Coil 8 approximately sinusoidal alternating voltage half-waves of the type indicated in FIG. 3 at 9.
Damit die Geberscheibe S in einer bestimmten Winkelstellung einem Betriebsvorgang der Brennkraftmachine zugeordnet werden kann, beispielsweise zur Bestimmung des Zündzeitpunktes für einen der Zylinder der Brennkraftmaschine, ist in der aus Fig. 1 erkennbaren Weise eines der Segmente gegenüber den übrigen, miteinander übereinstimmenden Segmenten durch eine Abweichung von der Kongruenz markiert. Diese Markierung ist dadurch erzielt, daß in dem markierten Segment der zugehörige Zahn 10 in Umfangsrichtung wesentlich verbreitert ist und etwa 80% des im übrigen unveränderten Segments ausmacht. Hierdurch ist die vor dem verbreiterten Zahn 10 liegende Zahnlücke 11 stark verkürzt, was dazu führt, daß in dem in Fig. 3 dargestellten Spannungsverlauf eine nur sehr schwach ausgebildete positive Halbwelle 12 entsteht. Dies kann in einer elektronischen Auswerteschaltung mit einfachen Mitteln erkannt werden, so daß esSo that the encoder disk S in a certain angular position an operating process of the internal combustion engine can be assigned, for example to determine the ignition point for one of the cylinders of the internal combustion engine, is in the manner recognizable from Fig. 1 one of the segments compared to the rest, with each other matching segments are marked by a deviation from congruence. This marking is thereby achieved that the associated tooth 10 is significantly widened in the circumferential direction in the marked segment and accounts for about 80% of the otherwise unchanged segment. As a result, the tooth gap 11 lying in front of the widened tooth 10 is greatly shortened, which leads to that in the voltage curve shown in FIG. 3, an only very weakly formed positive half-wave 12 arises. This can be recognized by simple means in an electronic evaluation circuit, so that it
130016/0237130016/0237
Lr/Sm T Lr / Sm T
möglich ist, mit dem verbreiterten Zahn 10 das markierte Segment von den übrigen Segmenten zu selektieren und dem gewünschten Betriebsvorgang der Brennkraftmaschine zuzuordnen.it is possible to use the widened tooth 10 to select the marked segment from the remaining segments and to be assigned to the desired operating process of the internal combustion engine.
Beim zweiten Ausführungsbeispiel, welches in Fig. H in seiner Abwicklung dargestellt ist, sind bei zwei aufeinanderfolgenden Segmenten deren Zähne 15 und 16 stark verbreitert, derart daß zwischen diesen beiden Zähnen nur eine sehr kurze Zahnlücke 17 entsteht. Diese führt zu der in Fig. 5 wiedergegebenen Verformung des Spannungsverlaufs, durch welchen das markierte Doppelsegment erkennbar gemacht wird.In the second embodiment, which is shown in Fig. H in its winding, whose teeth are greatly broadened 15 and 16 such that only a very short tooth gap 17 is formed between these two teeth at two successive segments. This leads to the deformation of the voltage profile shown in FIG. 5, by means of which the marked double segment is made recognizable.
Bei dem nur auszugsweise in seiner Abwicklung dargestellten dritten Ausführungsbeispiel sind zwei unmittelbar hintereinander folgende Segmente zur Winkelmarkierung verwendet; jedoch sind dort die zu diesen beiden Segmenten gehörenden Zähne so verbreitert, daß sie einen einzigen durchgehenden Zahn l8 bilden derart, daß gegenüber den übrigen Segmenten keine Lücke mehr vorhanden ist. Hierdurch ergibt sich der in Fig. 7 dargestellte Spannungsverlauf, bei dem an der Stelle 19 eine positive und eine negative Halbwelle fehlen.In the third exemplary embodiment, which is only partially illustrated in its development, two are immediate successive segments used for angle marking; however, there are those related to these two segments belonging teeth so widened that they form a single continuous tooth l8 in such a way that there is no longer any gap compared to the other segments. This results in that shown in FIG. 7 Voltage curve in which a positive and a negative half-wave are missing at point 19.
130016/0237130016/0237
Claims (3)
mindestens derjenigen zweier Zähne und einer, Zahnlücke an den untereinander kongruenten Segmenten (s) entspricht.3. Encoder according to claim 1, characterized in that the encoder disc (S) on two adjacent segments has only a single common tooth (18) which extends over a length which
corresponds to at least that of two teeth and one tooth gap on the mutually congruent segments (s).
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792939643 DE2939643A1 (en) | 1979-09-29 | 1979-09-29 | INDUCTIVE SPEED OR ROTATIONAL ENCODER |
| FR8020127A FR2466775A1 (en) | 1979-09-29 | 1980-09-18 | INDUCTIVE TRANSMITTER OF ROTATION SPEED OR ROTATION ANGLE |
| GB8031093A GB2059598A (en) | 1979-09-29 | 1980-09-26 | Inductive rotational speed or position transducers |
| IT8024979A IT1132795B (en) | 1979-09-29 | 1980-09-26 | INDUCTIVE TRANSMITTER OF THE NUMBER OF REVOLUTIONS OR THE ROTATION ANGLE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792939643 DE2939643A1 (en) | 1979-09-29 | 1979-09-29 | INDUCTIVE SPEED OR ROTATIONAL ENCODER |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2939643A1 true DE2939643A1 (en) | 1981-04-16 |
Family
ID=6082305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19792939643 Ceased DE2939643A1 (en) | 1979-09-29 | 1979-09-29 | INDUCTIVE SPEED OR ROTATIONAL ENCODER |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2939643A1 (en) |
| FR (1) | FR2466775A1 (en) |
| GB (1) | GB2059598A (en) |
| IT (1) | IT1132795B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3031357A1 (en) * | 1980-08-20 | 1982-04-08 | Robert Bosch Gmbh, 7000 Stuttgart | COMBINED INCREMENT AND REFERENCE BRAND RECOGNITION FOR A ROTATING SHAFT, IN PARTICULAR THE CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE |
| DE3316484A1 (en) * | 1982-05-12 | 1983-11-17 | AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH, Prof. Dr.Dr.h.c. Hans List, 8010 Graz | DEVICE FOR AUTOMATIC DIAGNOSIS OF A FOREIGN DRIVEN 4-STROKE INTERNAL COMBUSTION ENGINE |
| DE3403150C1 (en) * | 1984-01-31 | 1985-07-04 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Arrangement for generating control pulses for operating a video recording and playback device |
| DE4312424A1 (en) * | 1993-04-16 | 1994-10-20 | Iav Motor Gmbh | Housing closure cover (lid) having a dynamic sealing washer (sealing ring, sealing gasket, ring gasket), arranged in an opening, for sealing a shaft gland |
| DE19813497A1 (en) * | 1998-03-26 | 1999-09-30 | Vogt Electronic Ag | Inductive displacement transmitter with primary and secondary coils |
| DE102004060336A1 (en) * | 2004-12-15 | 2006-07-06 | Siemens Ag | Feedback wheel with reverse rotation coding for a crankshaft or camshaft sensor |
| US8248064B2 (en) | 2007-07-19 | 2012-08-21 | Cherry Gmbh | Inductive speed detector |
| CN103201504A (en) * | 2010-11-18 | 2013-07-10 | 法国大陆汽车公司 | Sensor for measuring angular position, and measurement compensation method |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3131121C2 (en) * | 1981-08-06 | 1984-11-15 | Atlas Fahrzeugtechnik GmbH, 5980 Werdohl | Tooth rim with a marked tooth tip |
| FR2526953A1 (en) * | 1982-05-11 | 1983-11-18 | Citroen Sa | Magnetic detector for rotational speed and shaft position - has toothed ring with metal plate in zone where teeth are removed and uses magneto-resistive pick=up |
| IT8467667A0 (en) * | 1984-06-29 | 1984-06-29 | Marelli Autronica | SENSOR TO DETECT THE PASSAGE OF A PISTON OR A GROUP OF PISTONS OF AN INTERNAL COMBUSTION ENGINE INTO THE TOP DEAD CENTER POSITION |
| GB2241335A (en) * | 1990-02-22 | 1991-08-28 | Ford Motor Co | Signal conditioning circuit |
| US5165271A (en) * | 1991-03-29 | 1992-11-24 | Cummins Electronics | Single sensor apparatus and method for determining engine speed and position |
| AUPN667595A0 (en) * | 1995-11-20 | 1995-12-14 | Orbital Engine Company (Australia) Proprietary Limited | Electronic position and speed sensing device |
| JP4014580B2 (en) * | 2004-04-02 | 2007-11-28 | 株式会社ケーヒン | Ignition timing control device for internal combustion engine |
| JP2016536588A (en) | 2013-11-11 | 2016-11-24 | ゼネラル・エレクトリック・カンパニイ | A method for reducing errors in rotor speed measurement. |
| CN105675907A (en) * | 2016-03-31 | 2016-06-15 | 中国神华能源股份有限公司 | Speed measuring device, slag conveyor structure and power plant boiler |
| DE102017128183A1 (en) * | 2017-11-28 | 2019-05-29 | Bdr Thermea Group B.V. | Method for controlling an internal combustion engine in a combined heat and power plant and device for detecting operating parameters of an internal combustion engine in a combined heat and power plant |
| FR3129439A1 (en) * | 2021-11-25 | 2023-05-26 | Vitesco Technologies | TOOTHED TARGET FOR CRANKSHAFT |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1382626A (en) * | 1971-07-30 | 1975-02-05 | Delmoran Ag | Control devices |
| DE2357061A1 (en) * | 1973-11-15 | 1975-05-22 | Bosch Gmbh Robert | PULSE GENERATOR |
| US4072893A (en) * | 1975-10-10 | 1978-02-07 | Fabbrica Italiana Magneti Marelli S.P.A. | Apparatus for determining the angular position of a rotating member using reference and position elements that generate opposite polarity bipolar signals |
| DE2836479A1 (en) * | 1977-08-29 | 1979-03-15 | Nissan Motor | DEVICE FOR MEASURING THE ROTATION ANGLE OF A ROTATING ELEMENT |
-
1979
- 1979-09-29 DE DE19792939643 patent/DE2939643A1/en not_active Ceased
-
1980
- 1980-09-18 FR FR8020127A patent/FR2466775A1/en active Granted
- 1980-09-26 GB GB8031093A patent/GB2059598A/en not_active Withdrawn
- 1980-09-26 IT IT8024979A patent/IT1132795B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1382626A (en) * | 1971-07-30 | 1975-02-05 | Delmoran Ag | Control devices |
| DE2357061A1 (en) * | 1973-11-15 | 1975-05-22 | Bosch Gmbh Robert | PULSE GENERATOR |
| US4072893A (en) * | 1975-10-10 | 1978-02-07 | Fabbrica Italiana Magneti Marelli S.P.A. | Apparatus for determining the angular position of a rotating member using reference and position elements that generate opposite polarity bipolar signals |
| DE2836479A1 (en) * | 1977-08-29 | 1979-03-15 | Nissan Motor | DEVICE FOR MEASURING THE ROTATION ANGLE OF A ROTATING ELEMENT |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3031357A1 (en) * | 1980-08-20 | 1982-04-08 | Robert Bosch Gmbh, 7000 Stuttgart | COMBINED INCREMENT AND REFERENCE BRAND RECOGNITION FOR A ROTATING SHAFT, IN PARTICULAR THE CRANKSHAFT OF AN INTERNAL COMBUSTION ENGINE |
| DE3316484A1 (en) * | 1982-05-12 | 1983-11-17 | AVL Gesellschaft für Verbrennungskraftmaschinen und Messtechnik mbH, Prof. Dr.Dr.h.c. Hans List, 8010 Graz | DEVICE FOR AUTOMATIC DIAGNOSIS OF A FOREIGN DRIVEN 4-STROKE INTERNAL COMBUSTION ENGINE |
| DE3403150C1 (en) * | 1984-01-31 | 1985-07-04 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Arrangement for generating control pulses for operating a video recording and playback device |
| DE4312424A1 (en) * | 1993-04-16 | 1994-10-20 | Iav Motor Gmbh | Housing closure cover (lid) having a dynamic sealing washer (sealing ring, sealing gasket, ring gasket), arranged in an opening, for sealing a shaft gland |
| DE19813497A1 (en) * | 1998-03-26 | 1999-09-30 | Vogt Electronic Ag | Inductive displacement transmitter with primary and secondary coils |
| DE19813497C2 (en) * | 1998-03-26 | 2000-11-16 | Vogt Electronic Ag | Inductive displacement sensor |
| DE102004060336A1 (en) * | 2004-12-15 | 2006-07-06 | Siemens Ag | Feedback wheel with reverse rotation coding for a crankshaft or camshaft sensor |
| US8248064B2 (en) | 2007-07-19 | 2012-08-21 | Cherry Gmbh | Inductive speed detector |
| CN103201504A (en) * | 2010-11-18 | 2013-07-10 | 法国大陆汽车公司 | Sensor for measuring angular position, and measurement compensation method |
| CN103201504B (en) * | 2010-11-18 | 2016-08-03 | 法国大陆汽车公司 | Sensor and metrophia compensation method for measured angular position |
| US10234262B2 (en) | 2010-11-18 | 2019-03-19 | Continental Automotive France | Sensor for measuring angular position, and measurement compensation method |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2466775B3 (en) | 1983-07-18 |
| IT1132795B (en) | 1986-07-02 |
| FR2466775A1 (en) | 1981-04-10 |
| IT8024979A0 (en) | 1980-09-26 |
| GB2059598A (en) | 1981-04-23 |
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