CN101627284B - Device to detect the advance of a belt - Google Patents

Device to detect the advance of a belt Download PDF

Info

Publication number
CN101627284B
CN101627284B CN2008800038853A CN200880003885A CN101627284B CN 101627284 B CN101627284 B CN 101627284B CN 2008800038853 A CN2008800038853 A CN 2008800038853A CN 200880003885 A CN200880003885 A CN 200880003885A CN 101627284 B CN101627284 B CN 101627284B
Authority
CN
China
Prior art keywords
permanent magnet
rotating element
magnetic
sensor
strap
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 - Fee Related
Application number
CN2008800038853A
Other languages
Chinese (zh)
Other versions
CN101627284A (en
Inventor
V·基亚雷利
G·基奥多
L·迪鲁
A·V·A·加拉莫恩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SFERAL WORLD WIDE TECHNOLOGY S
Original Assignee
SFERAL WORLD WIDE TECHNOLOGY S
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SFERAL WORLD WIDE TECHNOLOGY S filed Critical SFERAL WORLD WIDE TECHNOLOGY S
Publication of CN101627284A publication Critical patent/CN101627284A/en
Application granted granted Critical
Publication of CN101627284B publication Critical patent/CN101627284B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/12Mechanical 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
    • G01D5/14Mechanical 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
    • G01D5/142Mechanical 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 using Hall-effect devices
    • G01D5/145Mechanical 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 using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Telephone Function (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

A device to detect the advance of a belt (11) with respect to its container (12) comprises a rotating element (13) associated with the belt (11), which rotates by one revolution each time the belt (11) advances by a determinate amount, and magnetic detection means (16) able to detect the presence, or the variation, of a magnetic field so as to generate a corresponding electric signal. The rotating element (13) comprises at least a permanent magnet (19), able to rotate with it, and the magnetic detection means (16) is disposed in a fixed position with respect to the rotating element (13), in correspondence with a peripheral zone of the rotating element (13), in order to detect the rotations of the permanent magnet (19) and generate the electric signal.

Description

Be used to detect the device that strap-like member is advanced
Technical field
The present invention relates to a kind of device of advancing of strap-like member that be used to detect, especially relate to and a kind ofly be used to detect the inked band with respect to the device of advancing of the print cartridge that holds this inked band with respect to its container.
Background technology
Become known for detecting the inked band with respect to the device of advancing of the print cartridge that holds this inked band, this device comprises a rotating element, and this rotating element and strap-like member connect, and makes that rotating element just rotates a circle whenever strap-like member self scheduled volume of advancing.Like this, through detecting the revolution of rotating element, can confirm accurately that strap-like member is for example with respect to the amount of travel of the printout outside the print cartridge.
In known devices, rotating element comprises the metal forming that is made of metal, and this metal forming allows magnetic flux to pass through, and processes the shape that limits one or more spokes, and this spoke radially leaves with respect to rotation.Metal forming spoke and Hall effect Magnetic Sensor connect, and this hall effect sensor is arranged on the fixed position and comprises permanent magnet and detecting element, and this detecting element can detect the variation of the magnetic flux that is produced by permanent magnet.Like this, the rotating tee of metal forming is crossed its spoke makes the magnetic flux of permanent magnet generation optionally change, thereby because Hall effect produces corresponding electric signal through detecting element.
Yet this known devices has such shortcoming,, have the paper tinsel of the rotation that connects with the strap-like member that is positioned on the print cartridge, and Magnetic Sensor is in the fixed position or on the frame that is installed in printer outside the print cartridge that is.This means that print cartridge coarse installation in printer can produce the incorrect location of rotation paper tinsel with respect to fixing Magnetic Sensor, thereby when producing said electric signal, occur error when strap-like member is advanced detecting thus.
US-A-4, the signal converter of limited straight-line displacement between---stationary cylinder of vibroshock and the movable axis of vibroshock for example stretch---that 718,683 disclose a kind of two parts that are used to detect.
This transducer comprises: be directly connected to the stator on the stationary cylinder and be connected to the rotor on the movable axis via the flexible drawing cable, an end of this flexible drawing cable is anchored on the rotor, the other end is connected on the movable axis.When two parts away from each other when straight line moves, rotor with respect to stator along a direction rotation, when two parts toward each other when straight line moves, back-moving spring is tending towards making rotor along opposite sense of rotation rotation.Said transducer comprises that also the indication rotor is with respect to the position, angle of stator, represent the sensor device of the relative position of two parts thus.In fact said transducer is installed on the parts (stationary cylinder) that detect, thereby the accuracy that detects is confirmed by the precision and the connection cable of mutual assembling.In addition, disclosed sensor device is mounted in the photoemitter and corresponding photoelectric detector on the stator, is used to detect the ring that is installed in epitrochanterian fan ring portion or has the transparent material of opaque track or scallop; Be fixed on hall effect sensor and the magnet that is fixed on epitrochanterian fan loop type on the stator; Be fixed on the ring on the stator and be fixed on epitrochanterian sliding contact parts with resistance material track.
US 6290160B1 discloses a kind of band tractor, and this band tractor has framework, be centered around tape spool that the axis in the framework rotatably installs, be wound on band on the tape spool, convert the back gear of rotation of the reduction of console panel to the coaxial console panel of tape spool and with the rotation of tape spool.Magnet is installed near the edge of tie-plate, and this tie-plate is connected on the tape spool.Console panel is processed by magnetic shielding material and on the outward flange corresponding with edge tie-plate console panel, is had otch.Fixing Hall element is arranged in the outward flange top of console panel, with detect magnet through the otch of tie-plate and console panel magnetic field and produce the corresponding signal of the withdrawing position of single index strip.Except the combination of magnet and Hall element, the detecting element of other type is also proposed, for example fixing reverberator photoelectric cell be applied to echo area that is arranged alternately and the opacity on the tie-plate.The scheme that discloses also that periphery at tie-plate is provided with six detecting elements and five fixing sensing elements are set along the periphery of framework.
CN 1495048A disclose a kind of that on wheel bearing, use, form spike train, produce the magnetic coder of signal through magnetic force.This magnetic coder is through producing the S utmost point and the acquisition of the N utmost point with the circle-shaped magnetic that replacing on the magnetic rubber ring.This magnetic rubber ring sticks on the ring stiffener through the magnetic rubber semifinished product sulfuration with mishmetal class Magnaglo in the unvulcanized rubber and forms.
An object of the present invention is to realize a kind of device of advancing of strap-like member that be used to detect with respect to its container, this device accurately, and the out of true location of the machine that can not be mounted thereon with respect to this container owing to container receives too much influence; Be used for (said container is) under the situation of print cartridge of inked band, said machine is a printer.
Another object of the present invention is to realize a kind of device of advancing of strap-like member with respect to its container that be used to detect, and this device permission is encoded with the type of the container that simple and economic mode is mounted thereon strap-like member and/or said device.
The applicant has designed and perfect the present invention, with the shortcoming that overcomes prior art and obtain these and other purpose and advantage.
Summary of the invention
Independent claims have proposed the present invention and essential feature of the present invention have been described, and dependent claims has been described other character of innovation of the present invention.
According to above-mentioned purpose; A kind of be used to detect strap-like member wind by the roller of this strap-like member driven in rotation, with respect to the linearity of the container of this strap-like member, continuously and increase formula/step-by-step movement (incremental) device of advancing comprise: the rotating element that connects with strap-like member; Whenever the strap-like member scheduled volume of advancing, this rotating element can rotate a circle; Magnetic detection device, this magnetic detection device are arranged in respect to said rotating element and fix and away from the position of said rotating element, and can detect the existence or the variation in magnetic field, to produce corresponding electric signal.
According to characteristic of the present invention, rotating element and said roller one, and comprise at least one permanent magnet that can rotate with rotating element.Said magnetic detection device is positioned to be positioned at periphery, fixing and regional corresponding away from rotating element with one with respect to rotating element, with the rotation of detection permanent magnet and produce said electric signal.
Because with respect to strap-like member and container locating and detecting device remotely, so the detection of carrying out does not receive strap-like member and these two influences that parts are assembled each other of container, thereby the installing and locating of the mistake between strap-like member and the corresponding container can not cause the detection error.
According to a form of the embodiment of the invention, said magnetic detection device comprises the hall effect sensor that is arranged on the ferromagnetic element, and this hall effect sensor transmits the flux in the magnetic field that is produced by permanent magnet on it.
Another form according to the embodiment of the invention; Magnetic detection device advantageously comprises known giant magneto-resistance sensor (GMR) or anisotropic magnetoresistive sensor (AMR); When permanent magnet was moved near giant magneto-resistance sensor or anisotropic magnetoresistive sensor, this sensor can detect the existence in the magnetic field that permanent magnet produces or not exist.
The element that is used for the tractive strap-like member of the tractive roller that rotating element both can connect with the axle that for example comprises with motor connects, and can advantageously connect with the roller that is driven by strap-like member again.Under second kind of situation, in fact, can prevent the mutual slip of strap-like member and roller.
In addition, according to first form of the embodiment of the invention, rotating element comprises single shaft-like permanent magnet, and this permanent magnet is a pivoted with its central authorities, and is provided with utmost point extension (polar expansion) N and S in the end of this permanent magnet.
According to modification, rotating element has a plurality of radial arms, four radial arms for example arranging with cruciform, wherein, the end that the utmost point extension N of permanent magnet and S are arranged in radial arm.Radial arm can all have identical length, or has different length.
According to another characteristic of the invention, permanent magnet comprises a dish, and this dish is processed by magnetic rubber and the optionally polarization in its neighboring area, and limiting identification code along its periphery thus, this identification code can " be read " and explained by said magnetic detection device.
The property characteristics can be connect with opposite side rotating element and Magnetic Sensor Magnetic Sensor by the electromagnet of optionally excitation according to another characteristic of the invention; This electromagnet allows preparatory polarization sensor, and with the useful range of linearity of sensor strip to the rotation that is used for correctly detecting rotating element.Like this, can carry out automatic or programme controlled calibration of Magnetic Sensor, thereby make device of the present invention be independent of this device any magnetic field on every side.
Utilize the magnetic field of the preparatory polarization of electromagnet acquisition also can produce through second permanent magnet, this second permanent magnet is fixed, and has the characteristic suitable with electromagnet.
Like this; Utilization is according to device of the present invention; Not only can detect strap-like member with respect to the advancing of its container, and can store with rotating element in the relevant information of strap-like member, for example the length of strap-like member, type (are processed by fabric, tygon; Can load again etc.), and/or the storage information relevant with the container of strap-like member.
Description of drawings
From the description that hereinafter combines accompanying drawing to provide as the indefiniteness example, can be clear that these and further feature of the present invention to the embodiment of some preferred forms:
Fig. 1 is the synoptic diagram of the partly cut-away of apparatus of the present invention;
Fig. 2 to 10 comprises Fig. 2 a and 3a, the embodiment of some forms of schematically illustrated apparatus of the present invention;
Figure 11 to 16a illustrates some electric signal by the Magnetic Sensor generation of apparatus of the present invention.
Embodiment
Fig. 1 schematically shows according to device 10 of the present invention, and this device can detect strap-like member 11 advancing with respect to its container 12.Strap-like member 11 can have any known type with container 12, and (the type) is irrelevant with the object of the invention.Therefore, for example, strap-like member 11 can be the ink ribbons that is used for not shown impact printer, and container 12 can be corresponding print cartridge.
Device 10 comprises the rotating element 13 that is connected to roller 15; This roller keeps with strap-like member 11 applyings and by strap-like member 11 driven in rotation; Make that this roller just rotates a complete week whenever strap-like member 11 scheduled volume of advancing, said scheduled volume equals the circumferential lengths of roller 15.In this particular example, roller 15 and said roller 15 one, and advantageously be not associated with the motion of the motor of tractive strap-like member 11, this motor can be any known type and not illustrate in the drawings, because this motor and the present invention are uncorrelated.Like this, because device 10 just provides output when having only strap-like member 11 to advance with respect to container 12 veritably, so can prevent the rub-out signal of correct function.
Advantageously, rotating element 13 is provided with at least one permanent magnet 19 (Fig. 2-10) at least in its neighboring area.
Device 10 also comprises the Magnetic Sensor 16 that is installed on the fixed part 20, and this fixed part comprises the frame of the printer that print cartridge for example 12 is mounted thereto.
Magnetic Sensor 16 is installed in not only away from strap-like member 11 but also away from the position of container 12.
Magnetic Sensor 16 can detect the existence in the magnetic field that is produced by the one or more permanent magnets in the rotating element 13 19; Thereby produce the electric signal SG comprise pulse I accordingly (Figure 11-16a); Having again that this pulse is can be existing positive is negative, just perhaps only has, and this will describe in detail hereinafter.
Fig. 2 to 10 illustrates the embodiment of rotating element 13 and some forms of corresponding permanent magnet 19 as an example, and these embodiment are in the scope of the present invention; Should be appreciated that rotating element 13 can have the embodiment of other a large amount of forms, these embodiment still are in scope of the present invention.
Particularly, in the embodiment form shown in Fig. 2 and 3, rotating element 13 comprises single shaft-like permanent magnet 19, and this permanent magnet is a pivoted with its central authorities, is provided with utmost point extension N and S in the end of this permanent magnet.
In Fig. 2, Magnetic Sensor 16 has the type of Hall effect, and is installed on the U-iron magnetic element 21, and this ferromagnetic element is fixed on the unshowned fixed part 20 of Fig. 2.In this particular example, the length of ferromagnetic element 21 equals the length of permanent magnet 19.
On the other hand, in Fig. 3, Magnetic Sensor 16 is giant magneto-resistance sensor (GMR) or anisotropic magnetoresistive sensor (AMR), and is directly installed on the fixed part 20 and has no ferromagnetic element, because (here) ferromagnetic element is dispensable.
According to the modification that schematically shows among Fig. 2 a and the 3a, electromagnet 23 connects with respect to the opposite side of rotating element and the Magnetic Sensor 16 of GMR or AMR type at (Magnetic Sensor 16), and wherein, said electromagnet has the coil 25 that selectivity can be switched on.Electromagnet 23 allows Magnetic Sensor 16 is polarized in advance, and takes this Magnetic Sensor the range of linearity of the rotation that is used for correctly detecting rotating element 13 to.Electromagnet 23 can be by fixing permanent magnet replacement, and this has equivalent characteristic and not shown in the drawings.
In the embodiment of Fig. 4, form shown in 5 and 6, rotating element 13 comprises cruciform permanent magnet 19, and wherein, four arms become 90 ° each other, are furnished with utmost point extension N and S in the end of these arms.Especially, said arm can as shown in Figure 4ly all have identical length, and perhaps as illustrated in Figures 5 and 6 have different length.In this specific example, Magnetic Sensor 16 has the type of Hall effect and is installed on the ferromagnetic element 21.This ferromagnet can have and permanent magnet 19 equal lengths (Figure 4 and 5), perhaps has the half the length (Fig. 6) of permanent magnet 19.Obviously, the Magnetic Sensor 16 of Hall effect can be substituted by the sensor of GMR or AMR type.
In the embodiment of Fig. 7,8, form shown in 9 and 10, rotating element 13 comprises the dish of being processed by magnetic rubber 22, this dish have as permanent magnet 19 promptly as utmost point extension N and S by the neighboring area of permanently-polarised.Perhaps, dish 22 can by nonmagnetic substance for example plastics process, wherein magnetic rubber is arranged in the neighboring area that limits utmost point extension N and S.
The size of each utmost point extension N and S and the distance between them have determined the different electric signal SG (Figure 15 and 16) by Magnetic Sensor 16 generations.
In these examples, Magnetic Sensor 16 also has the type (Fig. 7,9 and 10) of Hall effect and is installed on the ferromagnetic element 21, and perhaps Magnetic Sensor 16 has GMR or AMR type (Fig. 8).
In the chart of Figure 11 to 16a, each rotates a complete week by the signal SG that Magnetic Sensor 16 produces corresponding to rotating element 13.Rotating element rotates complete all required time corresponding to the x axle, and the y axle illustrates the value of pulse I.Between rotating element 13 every rotations complete one-periods, the quantity of the pulse I that Magnetic Sensor 16 produces equals the quantity of the utmost point extension of rotating element.In addition, the time interval between the shape of pulse I (height and width) and the pulse is limited the existence and the shape of permanent magnet 19 in the rotating element 13.
Particularly, what the shape of the ripple of signal SG was directed against among Figure 11,12,13,14,15 and 16 is Hall effect Magnetic Sensor 16, and these ripples are bipolar and had both had the positive negative pulse I that also has.But when Magnetic Sensor was the GMR type, corresponding ripple was an one pole, wherein, only has positive pulse I, shown in Figure 11 a, 12a, 13a, 14a, 15a, 16a.In advance the existence of polarity electromagnetic body 23 (or permanent magnet of equivalence) makes, when electric current through should be preparatory during the polarity electromagnetic body, allow acquisition bi-polar waveform (Figure 11,12,13,14,15 and 16), even also be like this under the situation of GMR sensor.
Figure 11 and 11a schematically show the electric signal SG that is produced by the Magnetic Sensor in Fig. 2 and 3 16 respectively.
Figure 12 schematically shows the electric signal SG that is produced by the Magnetic Sensor among Fig. 4 16.
Figure 13 schematically shows the electric signal SG that is produced by the Magnetic Sensor among Fig. 5 16.
Figure 14 schematically shows the electric signal SG that is produced by the Magnetic Sensor among Fig. 6 16.
Figure 15 schematically shows the electric signal SG that is produced by the Magnetic Sensor in Fig. 7 and 8 16.
Figure 16 schematically shows the electric signal SG that is produced by the Magnetic Sensor in Fig. 9 and 10 16.
Figure 12 a, 13a, 14a, 15a and 16a schematically show respectively the electric signal SG that each Magnetic Sensor 16 by the device 10 shown in Fig. 4 (12a), 5 (13a), 6 (14a), 7 and 8 (15a), 9 and 10 (16a) produces, and suppose that wherein Magnetic Sensor is the GMR type.Obviously, can carry out modification, simplification and/or increase parts device mentioned above 10, and can not depart from the scope of the present invention.
Also obvious is; Though combined some concrete examples the present invention has been described; But those skilled in the art necessarily can obtain to be used to detect many other equivalents of the device that strap-like member advances with respect to its container, and these equivalents have the characteristic that proposes in the claim and therefore all drop in the protection domain that is defined by the claims.

Claims (10)

1. device that the linearity that is used for the strap-like member (11) of detection arrangement in container (12) is advanced; This device is provided with rotatable roller (15); This rotatable roller keep fitting with said strap-like member (11) and by the linearity of said strap-like member (11), continuously and the increase formula advance and drive and rotate; This device comprises: the rotating element (13) that is connected to said rotatable roller (15); Whenever said strap-like member (11) scheduled volume of advancing, this rotating element can rotate a circle thereupon, and this rotating element (13) has first permanent magnet (19); Magnetic detection device (16); This magnetic detection device can detect the existence or the variation in magnetic field; To produce corresponding electric signal (SG); It is characterized in that, said first permanent magnet (19) with the central authorities of said rotating element (13) be pivoted to rotate with said rotating element, said first permanent magnet (19) has utmost point extension N and S in its neighboring area; Said magnetic detection device (16) be arranged in said container (12) outside, with respect to said rotating element (13) fixing and away from said rotating element, with the corresponding position, neighboring area of said first permanent magnet (19); To detect said first permanent magnet (19) and to be connected to the rotation of the said rotatable roller (15) on said first permanent magnet (19), to produce said electric signal (SG).
2. according to the device of claim 1; It is characterized in that; Said magnetic detection device (16) comprises the hall effect sensor that is arranged on the ferromagnetic element (21), and this hall effect sensor transmits the flux in the magnetic field that is produced by said first permanent magnet (19) on it.
3. according to the device of claim 1, it is characterized in that said magnetic detection device (16) comprises giant magneto-resistance sensor (GMR) or anisotropic magnetoresistive sensor (AMR).
4. according to the device of claim 3; It is characterized in that; The electromagnet (23) of the coil (25) of excitation connects the Magnetic Sensor (16) of giant magneto-resistance sensor (GMR) or anisotropic magnetoresistive sensor (AMR) type with having optionally, and this electromagnet (23) is arranged on the opposite side of said Magnetic Sensor (16) with respect to said rotating element (13).
5. according to the device of claim 3; It is characterized in that; The Magnetic Sensor (16) of giant magneto-resistance sensor (GMR) or anisotropic magnetoresistive sensor (AMR) type connects with second permanent magnet, and this second permanent magnet is arranged on the opposite side of said Magnetic Sensor (16) with respect to said rotating element (13).
6. device according to claim 1 is characterized in that, said first permanent magnet (19) has shaft-like, and this first permanent magnet is pivoted with its central authorities and has utmost point extension N and S in its end.
7. device according to claim 1 is characterized in that, said first permanent magnet (19) comprises a plurality of radial arms, and is furnished with utmost point extension N and S in the end of said radial arm.
8. according to the device of claim 7, it is characterized in that said radial arm has four, these four arms are relative to each other with 90 ° of layouts, to form cross.
9. according to the device of claim 7, it is characterized in that said radial arm all has identical length, perhaps one or more radial arms have the length different with other radial arm.
10. device according to claim 1; It is characterized in that; Said first permanent magnet (19) comprises dish (22); This dish is processed by magnetic rubber at least in part, and is optionally polarized in its neighboring area, limits the utmost point extension N and the S of said first permanent magnet (19) with the periphery along this dish.
CN2008800038853A 2007-02-02 2008-02-01 Device to detect the advance of a belt Expired - Fee Related CN101627284B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITUD20070020 ITUD20070020A1 (en) 2007-02-02 2007-02-02 DEVICE TO DETECT THE STRETCH OF A RIBBON
ITUD2007A000020 2007-02-02
PCT/EP2008/051237 WO2008092943A1 (en) 2007-02-02 2008-02-01 Device to detect the advance of a belt

Publications (2)

Publication Number Publication Date
CN101627284A CN101627284A (en) 2010-01-13
CN101627284B true CN101627284B (en) 2012-09-05

Family

ID=38229893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2008800038853A Expired - Fee Related CN101627284B (en) 2007-02-02 2008-02-01 Device to detect the advance of a belt

Country Status (4)

Country Link
EP (1) EP2115393A1 (en)
CN (1) CN101627284B (en)
IT (1) ITUD20070020A1 (en)
WO (1) WO2008092943A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102963700B (en) * 2012-11-21 2015-06-17 深圳市华星光电技术有限公司 Mechanical device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6290160B1 (en) * 1999-05-18 2001-09-18 Trw Occupant Restraint Systems Gmbh & Co. Kg Belt retractor
CN1495048A (en) * 2002-07-19 2004-05-12 内山工业株式会社 Magnetic coder
CN1871500A (en) * 2003-10-24 2006-11-29 株式会社安川电机 Magnetic encoder device and actuator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1179048B (en) * 1984-08-14 1987-09-16 Marelli Autronica LINEAR MOVEMENT TRANSDUCER IN ELECTRIC SIGNALS PARTICULARLY FOR AUTOMATIC LEVELING DEVICES FOR SUSPENSIONS OF A VEHICLE
JPS6316226A (en) * 1986-07-09 1988-01-23 Sakura Sokki Kk Level measuring instrument

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6290160B1 (en) * 1999-05-18 2001-09-18 Trw Occupant Restraint Systems Gmbh & Co. Kg Belt retractor
CN1495048A (en) * 2002-07-19 2004-05-12 内山工业株式会社 Magnetic coder
CN1871500A (en) * 2003-10-24 2006-11-29 株式会社安川电机 Magnetic encoder device and actuator

Also Published As

Publication number Publication date
ITUD20070020A1 (en) 2008-08-03
WO2008092943A1 (en) 2008-08-07
EP2115393A1 (en) 2009-11-11
CN101627284A (en) 2010-01-13

Similar Documents

Publication Publication Date Title
CN101416020B (en) Position sensor with variable direction of magnetization and method of production
US8890514B2 (en) Magnetic multi-periodic absolute position sensor
CN101832789B (en) Absolute magnetic positioner
US8607650B2 (en) Torque sensor arrangement with rotational angle index detection
CN103443590B (en) Absolute encoder device and motor
CN101354234B (en) Rotary sensor and method for its operation
US9350216B2 (en) Integrated multi-turn absolute position sensor for high pole count motors
CN100448142C (en) Minitype electromotor with encoder
US8087305B2 (en) System including a magnet and first and second concentrators
CN102686980B (en) For detecting the magnetic field sensor device of motor element displacement
CN101836086A (en) Magnetic encoder and reference mark applicator
CN102187181B (en) Sensor device for measuring the rotational position of a rotating component
CN102498367A (en) Commutated electric drive and method for controlling a commutated electric motor
CN103723192A (en) Steering angle sensor for motor vehicles
CN102472639A (en) Rotation angle detecting device
JP2010500862A (en) Motor having a measuring system for position or movement
CN101627284B (en) Device to detect the advance of a belt
US20110304324A1 (en) Magnetic encoder
CN100420918C (en) Angular displacement encoder with two magnetic tracks
CN101115634A (en) Automatic positioning of tire pressure monitoring system
CN116045799A (en) Angle sensing device and method
JP5144373B2 (en) Magnetic detection type encoder
Granig et al. Performance and technology comparison of GMR versus commonly used angle sensor principles for automotive applications
CN100999852B (en) Negative yarn feeder with incorporated position detector
CN102597705A (en) Absolute value angle measurement system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Italy Casey Leto Renee Jose

Patentee after: CommScope printing company

Address before: Italy caluso

Patentee before: Sferal World Wide Technology S.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120905

Termination date: 20180201