CN101636633B - Anti-vibration tilt detector - Google Patents
Anti-vibration tilt detector Download PDFInfo
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- CN101636633B CN101636633B CN2007800507048A CN200780050704A CN101636633B CN 101636633 B CN101636633 B CN 101636633B CN 2007800507048 A CN2007800507048 A CN 2007800507048A CN 200780050704 A CN200780050704 A CN 200780050704A CN 101636633 B CN101636633 B CN 101636633B
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Abstract
The tilt detector (14) has a container with a receptacle (36) located therein. The receptacle has open and closed ends (44, 40). In its normal, upright orientation, a first mass (38) is located inside of the receptacle. A second mass (26) is located adjacent to the open end of the receptacle. When the receptacle is in its normal, upright orientation, the second mass is located above the receptacle and blocks the exit of the first mass from the receptacle even when the first mass moves in response to vibration frequencies to which the first mass is sensitive. When the receptacle is tilted beyond a predetermined angle, the second mass moves from its blocking position so as to allow the first mass to exit the receptacle. A tilting indication occurs when the first mass has exited the receptacle.
Description
Technical field
The present invention relates to have the sensor of vibrationproof aspect, be used for determining whether once put upside down, overturn or tilted with angle greater than predetermined angle as the object of packaging carton and so on.
Background technology
In current global economy, goods, material, manufacture or the like often will transport very long distance before they arrive the final destination.Shipment can comprise multiple means of transportation.For example, usually, concerning the product of making in the Asia, need be loaded on the truck usually, be transported to the railway station, be loaded on the railcar, shipping by rail is passed to the harbour, is loaded on the freighter, be transported to overseas harbour, be loaded on the truck, on road, transport, and be transported to the warehouse by truck.In case in the warehouse, product will be once more via aerial or ground shipment before the final user who arrives product.During this process, product will loading and unloading repeatedly, and sometimes owing to maloperation damages.If with the certain location transportation, then they are not damaged some products easily.For example, as everybody knows, if some computer hard disc drivers overturn or put upside down, then they can break down.
Be known in the art multiple measure and help stop the maloperation of product during transportation, loading and unloading.This measure comprises rules is printed onto on the chest, with the orientation that keeps being scheduled to.Yet this preventive measure are passive in essence, and can not warn recipient's product to be operated improperly, perhaps whether cause damage by shipment.
In order to solve these worries, developed different devices, it indicates whether the position transportation of container to recommend when material arrives its destination, perhaps surpassed maximum predetermined angle and tilted.The U.S. at Conn issues an example having described this device among the patent No.32570 again.Proved the Conn angle detection commercial be successful.
The Conn angle detection activates easily mistakenly in some vibration frequencies.Need a kind of device that comprises the vibrationproof feature,, and eliminate the mistake that tilts is indicated so that this device indicates whether material more accurately by maloperation.
Summary of the invention
The purpose of this invention is to provide a kind of sensor, be used for determining whether once toppled over, overturn or tilted with angle greater than predetermined angular as the object of packaging carton and so on vibrationproof aspect.
The invention provides a kind of angle detection, the receptacle that it comprises container and is positioned at this container.This receptacle (receptacle) has blind end and openend, and the side of extending between these two ends.When this receptacle was in the stand up position of this openend on this blind end, first mass was positioned at this receptacle.When receptacle tilted to surpass predetermined angular, this first mass can leave this receptacle.When this receptacle is in stand up position, location second mass on the openend of this receptacle, this second mass blocks this first mass and leaves from this upright receptacle thus.When receptacle tilted to surpass predetermined angular, this first mass moved, so that allow this first mass to leave this receptacle.
According to an aspect of the present invention, when this receptacle was in stand up position, this second mass separated and the pivoting point that is positioned at this openend top suspends from the openend with this receptacle.When this receptacle tilted to surpass its predetermined angular, this first mass pivotally was away from the openend of this receptacle.
According to another aspect of the present invention, this first mass is in response to first vibration frequency, and this second mass is in response to second vibration frequency.This second vibration frequency is different from this first vibration frequency.
According to a further aspect of the invention, this first and second mass has different quality.
According to a further aspect of the invention, this first and second mass is made from a variety of materials.
According to a further aspect of the invention, this second mass has the extension of at least two sizes of formation greater than the outer side chamber of this first mass, and this extension is used to block this first mass and enters this receptacle again after leaving this receptacle.
The present invention also provides a kind of angle detection, and it comprises container and receptacle.This receptacle has openend and blind end, and the side of extending between these two ends.When this receptacle is in the stand up position of openend on blind end, first mass is positioned in this receptacle.When receptacle tilted to surpass predetermined angular, this first mass can leave this receptacle.Pivot pin is connected to this container in abutting connection with the opening of this receptacle location.Second mass pivotally is connected to this pivot pin.This second mass has the obstruction part, and when this receptacle was in stand up position, this blocked the openend of this receptacle of partial blockage.
According to another aspect of the present invention, this container approaches, so that this first mass moves in this container in only two dimensions.
According to a further aspect of the invention, this second mass has rib at least one side.
According to another aspect of the present invention, this second mass has rib on both sides, and rib on the side and the rib on the opposite side stagger.
According to a further aspect of the invention, this second mass has the extension of at least two sizes of formation greater than the outer side chamber of this first mass, and this extension is used to block this first mass and enters this receptacle again after leaving this receptacle.
According to a further aspect of the invention, safety plug can be inserted in the recess of this second mass, so that stop the motion of this second mass.
According to a further aspect of the invention, at least a portion in the front of this container is transparent.
According to a further aspect of the invention, this first mass has first color, and the inside surface at this container back side has second color.
According to a further aspect of the invention, this pivot pin has by the external a plurality of radiuses of single circle.
According to a further aspect of the invention, the bottom of this second mass has radius and planar section.
The present invention also provides a kind of and stops angle detection because the unexpected method that activates of vibration.Receptacle provides first mass that is positioned at wherein.This receptacle has openend and blind end.Block mass by location on described openend and block this first mass owing to vibration is left this receptacle by this openend.When this receptacle tilted to surpass predetermined angular, this obstruction mass moved away from the openend of this receptacle, so that allow this first mass to leave.
According to another aspect of the present invention, the step that moves this obstructions mass further comprises and makes this obstruction mass swing step away from this openend.
According to another aspect of the present invention, block step that this first mass leaves the openend of this receptacle and further comprise and this obstruction mass being suspended at above the openend of this receptacle by block mass in location on this openend.
Description of drawings
Fig. 1 has a pair of stereographic map that is attached to the shipment packing of the angle detection on the outer wall.
Fig. 2-the 6th describes the view of the angle detection of different azimuth.
Fig. 2 is the front view according to the angle detection of the present invention of preferred implementation, and its expression is in the angle detection of its stand up position, is in the suspended mass of closed position, and is positioned at the disk that keeps receptacle.
Fig. 3 is the front view of the angle detection of Fig. 2, and it describes to revolve the detecting device that turn 90 degrees from its stand up position, revolves the suspended mass after turning 90 degrees, and leaves the disk that keeps receptacle.
Fig. 4 is the front view of the angle detection of Fig. 2, and it describes to revolve the detecting device that turn 90 degrees from its stand up position, is positioned at the disk in one of the side chamber of suspended mass, and this disk leaves the maintenance receptacle.
Fig. 5 is the front view of the angle detection of Fig. 2, and it describes to revolve the detecting device that turn 90 degrees from its stand up position, the suspended mass of rotating about 135 degree from its stand up position, and the disk that falls from the side chamber of suspended mass.
Fig. 6 is the front view of the angle detection of Fig. 2, and the detecting device that it describes to get back to stand up position is in the suspended mass of upright closed position, and is still in the disk bottom the detecting device after leaving the maintenance receptacle.
Fig. 7 is the sectional view along the line VII-VII of Fig. 2.
Fig. 8 is the stereographic map of safety plug.
Fig. 9 is the front view of suspended mass.
Figure 10 is the sectional view along the line X-X of Fig. 9.
Figure 11 is preceding, the left side of suspended mass and the stereographic map of downside.
Figure 12 is the exploded view of angle detection and parts.
Embodiment
Whether with reference to Fig. 1, object has one or more angle detections 14 that are attached on its one or more walls 24 as shipment packing 22, keep with the orientation of recommending so that definite this was included between the time of shipment, and do not have to surpass predetermined maximum angular inclination.Shipment packing 22 can have any traditional form, lays the container of goods as crate, pallet, box, carton, bucket, drum, jar, bottle or other before loading and transporting.Perhaps, angle detection 14 directly can be placed on goods originally on one's body.Like this, the object that bears angle detection 14 can be container of goods, bearing goods or the like.Shipment packing 22 has top side 16 (having seam 20 between the lid).Indication top side 16 arrow 18 of " making progress " is placed on one or more sides of packing 22, so that should remain in the above.Like this, packing 22 is marked as prevention overturning or inclination.
In order to detect any this unauthorized inclination, use angle detection 14.When being in stand up position, preferably angle detection 14 is placed on the upright or sidewall 24 of shipment packing 22.In preferred embodiment, angle detection 14 is responsive on two dimension, promptly on the plane of detecting device.Like this, angle detection 14 can be used in combination wherein two angle detection 14 crosscuts each other with another angle detection 14 that is placed on the adjacent sidewall 24 of packing 20.
At this, the full content of the U.S. Patent No. Re32570 of Conn is incorporated in this as a reference.
With reference to Fig. 2, usually, angle detection 14 has receptacle 36, the side 34 that this receptacle has blind end 40, openend 44 and extends between blind end 40 and openend 44.Receptacle is also referred to as and keeps receptacle quality of reception piece.In preferred embodiment, because angle detection approaches, thereby this mass is a disk.Receptacle 36 can have V-arrangement or open Horseshoe form, and when detecting device 14 was in upright or vertical position, the base 40 of V-arrangement or Horseshoe was positioned at the bottom of angle detection 14, and openend 44 is positioned on the blind end 44.Extend with the base 40 of angle respect to one another from receptacle the side 34 of V-arrangement or Horseshoe, so that allow first mass 38 or disk to be still in the chamber that is formed by side 34, and leaves receptacle 36 when angle detection 14 tilts to surpass predetermined angular.In, the vertical orientation normal at angle detection, disk 38 is positioned at the inside of receptacle 36.When receptacle 36 tilted to surpass predetermined angular, disk 38 left receptacle 36.This angle normally side 34 be orientated level or under angle.For example, when detecting device tilts about 80 ° the time from its stand up position, disk 38 can leave receptacle 36.The angle that the gradient of receptacle side 34 or angle decision detecting device 14 activate.Detecting device 14 is two-way, and by side 34 inclinations of detecting device 14 towards receptacle 36 are activated above predetermined angular.
Once in a while, disk 38 can move in response to the vibration frequency of 38 sensitivities of disk or response.Even under the situation that does not have receptacle 36 to tilt, this motion also can cause disk to leave from receptacle, thereby the mistake that causes tilting is indicated.In order to stop this wrong indication under this group vibration frequency, block this by second mass or suspended mass 26 and leave.Suspended mass 26 is that neighbouring open end 44 suspends.When receptacle 36 was in its location that normally, does not tilt, suspended mass 26 was blocked disks 38 and is left from receptacle 36.Like this, even vibration makes disk 38 move towards openend 44, angle detection 14 can not be activated yet.Suspended mass 26 is with disk 38 sensitivities or in response to vibration frequency inequality.On the contrary, this suspended mass is in response to second group of vibration frequency.When stoping wrong the activation, the normal running that suspended mass 26 can interference detector 14.When receptacle 36 tilted to surpass predetermined angular, suspended mass 26 moved and allows disk 38 to leave receptacle 36.When disk 38 leaves receptacle 36, just produce indication.
With reference to Fig. 7 and 12, angle detection 14 has thin container 42, and that this container has is positive 48, the back side 50 and side 46, and positive 48 have at least one transparency window 74, and the back side 50 has layer of adhesive 52, and safety plug 60 movably.Window 74 is formed by the opening in the label 76 on the front 48.Because detecting device 14 approaches, thereby when being attached to object 22, has short profile.
Suspended mass 26 is a dense material such as steel or polycarbonate.In preferred embodiment, suspended mass 26 is formed by polycarbonate, and is flat.Suspended mass 26 has pivoting point 30, and around this pivoting point, suspended mass 26 is rotated at the plane head lamp brush guard pivot that is parallel to the front 48 and the back side 50, and obstruction part or mass 32, it has enough quality, and from pivoting point 30 skews, so that it can be rotated by pivot.Because gravity blocks part 32 and is positioned at all the time under the pivoting point 30.In container, suspended mass can be rotated 360 ° around pivoting point.When receptacle when being upright, as shown in Figure 2, block part 32 and block disks 38 and leave receptacle 36.The shape of blocking part 32 is made for the openend 44 that can block receptacle 36 and stops disk 38 to leave and keeps receptacle 36, unless container 22 tilts to surpass predetermined angular.The shape of blocking part 32 is made for and allows suspended mass 26 around the pivot rotation freely of its pivoting point 30.
As shown in Figure 2, suspended mass 26 has at least two flank 29 or arms that are positioned at obstruction part 32 tops.The wing 29 is positioned at pivoting point 30 from blocking on the opposite side of part 32, and forms at least slightly the chamber 28 greater than the diameter of disk 38.Though preferred implementation has side chamber 28, under the situation that does not have side chamber 28, angle detection 14 also can stop disk 38 have disk 38 deviate under the situation of responsive vibration frequency.The wing 29 of suspended mass 26 stops disk 38 to enter after deviating from receptacle 36 again.
In preferred embodiment, suspended mass 26 castings, and be in container, freely to swing or pivotally supported precise part.With reference to Fig. 9,10 and 11, the suspended mass 26 of preferred implementation has leap and blocks the front of part 32 and the rib 68 at the back side, and the recess in the base 58.Rib on the rib 68 on the front of the obstruction part 32 of suspended mass 26 and the back side of suspended mass 26 staggers.This rib allows suspended mass 26 to be molded, and obtains required flatness.In preferred embodiment, as shown in figure 11, the bottom of suspended mass 26 has the radius 70 of band planar section 72.Planar section 72 helps manufacturing process.When detecting device 14 was in the stand up position that Fig. 2 describes, the recess 58 of sprung mass 26 was aimed at the hole 56 in the back side 50 of angle detection 14.
In preferred embodiment, disk 38 is made of metal, in case and disk 38 deviate from receptacle 36, and one of approaching side chamber 28, this disk has enough quality rotates suspended mass 26 pivots.Disk 38 or mass have different quality with suspended mass 26, be made from a variety of materials, and have different shapes, thereby two masses 38,26 are in response to different vibration frequencies.Pivoting point 30 is positioned at the barycenter top of suspended mass 26, is placed in the minimum point of suspended mass 26 with respect to ground so that allow to block part 32.Suspended mass 26 can suspend in any traditional mode, wherein allows it around rotatably pivot rotation of pivoting point 30.For example, in preferred embodiment, as shown in Figure 7, suspended mass 26 has the hole at pivoting point 30, and by this hole, pivot pin 54 passes suspended mass 26 and extends from the front 48 of detecting device 14.
The front 48 of container 42 is transparent at window 74 at least.The back side 52 of container 42 can be formed by any traditional material such as metal or plastics.In preferred embodiment, disk 38 has a color by window 74 visible fronts, and the wall at housing 42 back sides 50 has another color, and it shows easily whether disk 38 has deviate to keep receptacle 36.The front 48 and the back side 50 of container 42 are sticked together, so that the sideway movement of restriction disk 38 and suspended mass 26.As shown in figure 12, in preferred embodiment, container 42 has the front 48 and the side 46 of whole formula, has the shoulder that is used to receive the back side 50, so that form flat, flush fit that the back side enters container.
Be provided at the ready mechanism that activates that stops before.As shown in Figure 8, has movably holding device, as safety plug 60, keep in the receptacle 36 and when being in the unactivated stand up position that Fig. 2 and 7 describes when disk 38 is limited in, its just the point on disk 38 extend by the back of the container 42 of detecting device 14.This safety plug 60 stops disks 38 to deviate from receptacle 36, and keeps in position, removes and when detecting device 14 is turned round up to sell 60.In preferred embodiment, insert the insurance cylinder 66 of safety plug 60 by the hole in the detecting device back side 50, by corresponding chamber 58 (referring to Fig. 9) in the suspended mass 26.The safety plug 60 of preferred implementation has base 64, other column 62 and insurance cylinder 66.When being in the position of arming, safety plug 60 is in suitable position, keeps suspended mass 26 in closed position, and stops disk 38 to deviate to keep receptacle 36, and irrelevant with its location or inclination.
The operation and the use of the angle detection 14 of preferred implementation are described now.At first detecting device 14 is become to work by remove safety plug 60 from the back side of detecting device 14.Then, detecting device 14 is placed on upright and unactivated position on the upstanding wall 24 of shipment packing 22.Detecting device 14 can use individually or with another detecting device 14 that is placed on the adjacent straight wall 24 that loads and transports packing 22.Can work in case become, disk 38 will be retained in the scope that keeps receptacle 36 (Fig. 2), tilt to surpass predetermined maximum angle up to shipment packing 22.Tilt to surpass this predetermined maximum angle if pack 22, then suspended mass 26 will move to aperture position (Fig. 3) from closed position.Then, disk 38 will leave receptacle 36 (Fig. 4), and enter the side chamber 28 of the exposure of suspended mass 26.In side chamber 28, the weight of disk 38 further makes suspended mass 26 pivots rotate (Fig. 5).Then, disk 38 falls into the non-receiving-member of container from side chamber 38.Describe as Fig. 6, in case shipment packing 22 redirects to stand up position, suspended mass 26 is got back to the closed position that Fig. 2 describes, and disk 38 is retained in the outside that keeps receptacle 36.
Like this, suspended mass 26 is served as pendulum, because gravity keeps its location.When receptacle when being upright, suspended mass is blocked the openend of receptacle.When receptacle tilts, suspended mass moves, and no longer blocks the openend of receptacle.
When disk 38 is positioned at the outside that keeps receptacle 36, can see contrast colors on the back side of container 42 by window 74, and the user can find out easily that shipment packing 22 has tilted to surpass predetermined maximum angle.
Sometimes between the time of shipment, more known vibration frequencies can make disk little by little move to openend 44 from the base 40 that keeps receptacle 36.When detecting device 14 was in the un-activation position that Fig. 2 describes, the obstruction part 32 that is suspended at the suspended mass 26 of disk 38 tops stoped disks 38 to deviate from receptacle 36, and this is because this vibration frequency can not make and block part 32 and do not move to the release position.Angle detection 14 of the present invention only activates owing to tilting to surpass predetermined maximum angle.In case activate, the wing 29 of suspended mass 26 stops disk 38 to enter receptacle 36 again under oscillating movement.
Though the angle detection of describing 14 provides the visible indication of inclination, also can provide other indication, as the motion of electronic induction disk.
Though the angle detection of describing 14 approaches, and disk 38 only moves on two dimension, also can make angle detection become three-dimensional.
Demonstration in the aforementioned open and accompanying drawing only illustrates principle of the present invention, should not be construed as the meaning of restriction.Scope of the present invention wants accessory rights to require to determine.
Claims (18)
1. angle detection comprises:
Container;
The side that receptacle, described receptacle have blind end, openend and extend between described blind end and openend, described receptacle is positioned at described container;
First mass, when described receptacle is in the stand up position of described openend on described blind end, described first mass is positioned at described receptacle, and described first mass can leave described receptacle when described receptacle tilts to surpass predetermined angular;
Second mass, described second mass is positioned at the openend top of described receptacle when described receptacle is in stand up position, described thus second mass blocks described first mass and leaves from described upright receptacle, described second mass moves when described receptacle tilts to surpass described predetermined angular, so that allow described first mass to leave described receptacle.
2. angle detection as claimed in claim 1, wherein when described receptacle is in stand up position, described second mass separates and the pivoting point that is positioned at described receptacle openend top suspends from the openend with described receptacle, when described receptacle tilted to surpass its predetermined angular, the described second mass pivotally was away from the openend of described receptacle.
3. angle detection as claimed in claim 1, wherein said first mass are in response to first vibration frequency, and described second mass is in response to second vibration frequency, and described second vibration frequency is different from described first vibration frequency.
4. angle detection as claimed in claim 3, wherein said first and second masses have different quality.
5. angle detection as claimed in claim 3, wherein said first and second masses are made from a variety of materials.
6. angle detection comprises:
Container;
The side that receptacle, described receptacle have blind end, openend and extend between described blind end and openend, described receptacle is positioned at described container;
First mass, when described receptacle was in the stand up position of described openend on described blind end, described first mass was positioned at described receptacle, and when described receptacle tilted to surpass predetermined angular, described first mass left described receptacle;
Pivot pin is connected to the openend location of the contiguous described receptacle of described pivot pin described container;
Pivotally be connected to second mass of described pivot pin;
Described second mass has the obstruction part, the openend of the described receptacle of described obstruction partial blockage when described receptacle is in stand up position.
7. angle detection as claimed in claim 6, wherein said container approaches, so that move in the described in only two dimensions container of described first mass.
8. angle detection as claimed in claim 7, wherein said second mass has rib at least one side.
9. angle detection as claimed in claim 7, wherein said second mass has rib on both sides, and rib on the side and the rib on the opposite side stagger.
10. angle detection as claimed in claim 6, wherein said second mass has the extension of at least two sizes of formation greater than the outer side chamber of described first mass, and described extension is used to block described first mass and enters described receptacle again after leaving described receptacle.
11. angle detection as claimed in claim 6 further comprises movably safety plug, described safety plug can insert the recess in described second mass, so that stop the motion of described second mass.
12. angle detection as claimed in claim 6, at least a portion in wherein said container front is transparent.
13. angle detection as claimed in claim 12, wherein said first mass has first color, and the inside surface at the back side of described container has second color.
14. angle detection as claimed in claim 6, wherein said pivot pin have by the external a plurality of radiuses of single circle.
15. angle detection as claimed in claim 6, the bottom of wherein said second mass has radius and planar section.
16. a prevention may further comprise the steps because the vibration accident activates the method for angle detection:
Provide first mass to be positioned at wherein receptacle, described receptacle has blind end and openend, and described receptacle has the side of extending between described blind end and openend.
Block mass by location above described openend, block described first mass and leave by described openend from described receptacle;
When described receptacle tilts to surpass predetermined angular, move the openend of described obstruction mass, so that allow described first mass to leave away from described receptacle.
17. further comprising, method as claimed in claim 16, the step that wherein moves described obstruction mass make the step of described obstruction mass swing away from described openend.
18. method as claimed in claim 16 is wherein blocked step that described first mass leaves from the openend of described receptacle and is further comprised step above the openend that described obstruction mass is suspended at described receptacle by block mass in location above the described openend.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US87828107P | 2007-01-03 | 2007-01-03 | |
| US60/878,281 | 2007-01-03 | ||
| US11/752,569 US7353615B1 (en) | 2007-01-03 | 2007-05-23 | Anti-vibration tilt detector |
| US11/752,569 | 2007-05-23 | ||
| PCT/US2007/088427 WO2008085696A2 (en) | 2007-01-03 | 2007-12-20 | Anti-vibration tilt detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101636633A CN101636633A (en) | 2010-01-27 |
| CN101636633B true CN101636633B (en) | 2011-12-28 |
Family
ID=39995498
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800507048A Active CN101636633B (en) | 2007-01-03 | 2007-12-20 | Anti-vibration tilt detector |
| CNA2008101092452A Pending CN101275830A (en) | 2007-01-03 | 2008-01-03 | Anti-vibration tilt detector |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101092452A Pending CN101275830A (en) | 2007-01-03 | 2008-01-03 | Anti-vibration tilt detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN101636633B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627990B (en) * | 2015-07-07 | 2018-05-04 | 高洪 | A kind of multifunction indicating device based on vibrationproof |
| GB2606501A (en) * | 2020-01-14 | 2022-11-09 | Shockwatch Inc | Tilt indicator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300933A (en) * | 2001-02-08 | 2001-06-27 | 北京科大天宇微电子材料技术开发有限公司 | Slope angle sensor using magnetosensitive resistor |
| US6449858B1 (en) * | 1997-12-22 | 2002-09-17 | And Design Limited | Angle sensor |
| US6732979B1 (en) * | 2003-08-28 | 2004-05-11 | The Boeing Company | Steer-by-wire tiller with position feel system |
| CN1847788A (en) * | 2005-04-06 | 2006-10-18 | 曙制动器工业株式会社 | Lean sensor |
-
2007
- 2007-12-20 CN CN2007800507048A patent/CN101636633B/en active Active
-
2008
- 2008-01-03 CN CNA2008101092452A patent/CN101275830A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6449858B1 (en) * | 1997-12-22 | 2002-09-17 | And Design Limited | Angle sensor |
| CN1300933A (en) * | 2001-02-08 | 2001-06-27 | 北京科大天宇微电子材料技术开发有限公司 | Slope angle sensor using magnetosensitive resistor |
| US6732979B1 (en) * | 2003-08-28 | 2004-05-11 | The Boeing Company | Steer-by-wire tiller with position feel system |
| CN1847788A (en) * | 2005-04-06 | 2006-10-18 | 曙制动器工业株式会社 | Lean sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101636633A (en) | 2010-01-27 |
| CN101275830A (en) | 2008-10-01 |
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