CN1518723A - Electronic pen with actuation through removal of cap - Google Patents
Electronic pen with actuation through removal of cap Download PDFInfo
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- CN1518723A CN1518723A CNA018233767A CN01823376A CN1518723A CN 1518723 A CN1518723 A CN 1518723A CN A018233767 A CNA018233767 A CN A018233767A CN 01823376 A CN01823376 A CN 01823376A CN 1518723 A CN1518723 A CN 1518723A
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Abstract
An electronic pen has a body, a cap and an actuation device. The actuation device comprises a sensor unit for sensing presence of absence of the cap on the body. The actuation device is operable to activate the electronic pen is response to removal of the cap from the body or in response to placement of the cap on a portion separated from a front end portion of the body. The actuation device is further operable to deactivate the electronic pen is response to placement of the cap on a portion separated from a front end portion of the body. The actuation device is further operable to deactivate the electronic pen is response to placement of said cap on said body, methods for activating and deactivating an electronic pen are also described.
Description
Technical field
The present invention relates to have the electronic pen of the handwriting and the cap for brush.The invention still further relates to method that starts electronic pen and the method that makes electronic pen stop to start.
Background technology
Electronic pen has the electronic installation of a sensor and a digital recording usefulness content written usually.Sensor that dissimilar being used to measure its state can be installed for example in pen: acceleration sensor (seeing US-A-5434371 and US-A-6130666), optical sensor (seeing US-A-5294792, US-A-5852434 and WO 00/73983), pressure transducer (seeing US-A-6104388) or mechanical pick-up device (seeing US-A-5294792 and US-A-6130666).In other electronic pen (for example US-A-5012049 is described the sort of), utilize the trigonometric ratio of signal (as light, sound, IR radiation etc.) to carry out position sensing.
Still wish to find a kind of to user convenient and intuitive the electronic pen startup and the out-of-work method that make above-mentioned electronic pen and other types.
Summary of the invention
The objective of the invention is further to simplify and improve the application of electronic pen, its easier startup and easier stopping to be started.
In order to achieve the above object, propose the method and the described method that makes electronic pen stop to start of claim 25 of claim 1,2 and 3 described electronic pens and claim 23 and 27 described startup electronic pens, and in associated dependent claims, stipulated preferred embodiment and remodeling embodiment.
Electronic pen of the present invention adopts a kind of cap for brush that electronic pen starts and stops to start that is convenient to, and this electronic pen also has a kind of sensor whether above-mentioned cap for brush takes off from pen that is used to detect.
According to one embodiment of the present of invention, above-mentioned sensor comprises a kind of mechanical switch, and its major advantage is to need not to use any electric power in being switched on or switched off process.Use mechanical switch to make handling safety reliable.Owing to there are a lot of standardized elements can supply to select for use, make the simple and low cost of manufacture of this method.
According to an alternative embodiment of the invention, above-mentioned sensor comprises a kind of electric switch, and the method does not need electric power yet, because this electric switch is a passive element.
According to another embodiment of the present invention, above-mentioned sensor can be worked non-contactly.Its benefit is needn't be in the perforate that covers of handwriting, therefore improved pen structural strength, reduced the dust and the steam that enter handwriting, thereby make pen more durable in use.The lid of sealing also has bigger anti-electric shock ability.
The sensor of untouchable work comprises a kind of motion sensor.Its advantage is that this sensor can place interior any position, thereby simplifies the assembly work of pen.
According to another embodiment of the present invention, the sensor of above-mentioned untouchable work comprises a kind of optical sensor, and this can provide the detection the convenience whether cap for brush is removed and reliable method.
According to a preferred embodiment, above-mentioned photosensor is a for example image pick-up device of a kind of solid state image device, the image pick-up device of recorded information when this image pick-up device preferably is used in electronic pen work.The advantage of this method is that electronic pen need not to add extra part, and this just can reduce the size and the weight of pen and reduce cost.
In yet another embodiment of the present invention, the sensor of above-mentioned untouchable work also comprises a kind of pressure transducer except above-mentioned optical sensor, and whether its advantage is can detect the cap for brush more reliably to remove.
Above-mentioned pressure transducer also preferably can be used for detecting writing implement and when has been pressed on the writing surface.Because this method significantly reduces the number of spare parts in the pen, so rather easy.
According to one embodiment of the present of invention, whether the sensor of above-mentioned untouchable work utilizes the variation in magnetic field to detect the cap for brush and removes, and this has just produced a kind of reliable and lasting detection method.
One of method of utilizing changes of magnetic field is that reed switch is set, and in a preferred embodiment, this reed switch is installed in the handwriting, and a magnet is installed in the cap for brush.Form a kind of better way method with regard to the available standards part like this, this also is the method for energy savings, because above-mentioned reed switch is a kind of passive part.
Utilizing the another kind of method of changes of magnetic field is that Hall element is set.In a preferred embodiment, above-mentioned Hall element is set in the handwriting, a magnet is set in the cap for brush.This method can be saved the space, because can do Hall element and magnet less.Can select for use a kind ofly to the insensitive Hall element of temperature variation, this just makes it to become a kind of reliable method, again since Hall element be difficult for owing to use frayed, so also be a kind of durable method.Hall element is the standardized element of supplying on the market, and installs simply, and this just can simplify the manufacture process of electronic pen.
In a preferred embodiment, above-mentioned magnet is installed under the clip on the cap for brush, and this is favourable, owing to can give the magnet more space on the cap for brush, do not change the overall appearance of the cap for brush so can locally increase the wall thickness of the cap for brush, thereby constitute the groove cave of a supporting magnet.In addition, cap for brush clip can with magnetic shielding material for example ferrite material make, with reduce to greatest extent the pen around magnetic field.Thereby protect the tape that for example is near the credit card of electronic pen to make it not to be subjected to the influence of magnetic field of magnets.
In another embodiment of the present invention, for example element of a ferrite material of a magnetic field collector is installed near Hall element, this is favourable, because can use less magnet in the cap for brush.The magnetic field collector also can make magnet be placed in apart from Hall element at a distance, and can reduce magnet being placed to the requirement of the degree of accuracy relative with Hall element.In a certain embodiments, a magnet is installed near Hall element and is formed the background magnetic field of an amplification, this just can be switched on or switched off Hall element with more weak magnetic field.
In yet another embodiment of the present invention, above-mentioned sensor is a kind of vibration transducer, and this is a kind of stable and durable method, and also is not subjected to the influence of electricity and magnetic interference.
Also can obtain and above-mentioned relevant benefit according to method of the present invention.
Description of drawings
Accompanying drawing referring to the embodiment that shows preferred examples further specifies the present invention and many advantages thereof below, in the accompanying drawing:
Fig. 1 illustrates electronic pen of the present invention;
Fig. 2 illustrates the amplification view by the cap for brush of the electronic pen of Fig. 1 and part handwriting;
Fig. 3 is the local transparent perspective side elevation view of the cap for brush;
Fig. 4 is the local transparent skeleton view of cap for brush inside.
Embodiment
Following explanation is at a kind of electronic pen that carries out position sensing according to the optical register of the position encoded figure on the writing surface that is designed for.The essential characteristic of above-mentioned electronic pen and figure is at patent disclosure WO 00/73981; WO 01/16691; With also disclosed among the WO 01/26032, all these patent documents are all included this paper in as a reference.But, should be understood that the electronic pen shown in the invention is not restricted to, but can be used for the electronic pen of any kind that for example WO 98/20446 is disclosed the sort of to comprise the reading device of all kinds of electronic pens described in the preface and other lip pencil.
Referring to Fig. 1, electronic pen 1 of the present invention has the cap for brush 3 of a handwriting 2 and a Band clamp 4, and this cap for brush 3 is placed in the leading section 2a of handwriting 2, and it can be to can be used as to cover the parts of Any shape that electronic pen 1 is used for the leading section 2a of recorded information in use.
In the inside of handwriting 2, circuit board 5 (see figure 2)s are installed.Leading section 2a in handwriting 2 for example also is provided with writing implement: print cartridge 6, solid state image device (for example CMOS or CCD camera) 7 and light emitting diode (LED) 8.On circuit board 5, a Hall element 9 and a ferrite elements (being screw) 10 are installed located adjacent one anotherly here.As shown in Figure 4, the groove 12 below the cap for brush 3 inner faces are positioned at clip 4 is settled a magnet 11, and a microscler in other words protuberance 13 of microscler ridge (Fig. 3) is arranged at the bottom that is right after clip 4 on the sidewall of the cap for brush 3.
Also can use the magnet circle that is installed in the cap for brush or magnetic material is molded in the cap for brush 3 by for example injection moulding,, magnetic material be mixed with polymer phase for this reason, be molded in the cap for brush then, perhaps adopt and insert the method for forming, wherein, it is mold formed that the polymkeric substance material package magnet.
When the cap for brush 3 places the leading section 2a of handwriting 2 to go up, it covers the tip of print cartridge 6.The cap for brush 3 can unload from the handwriting 2 of electronic pen 1.Use before the electronic pen 1, take off the cap for brush 3 earlier.Take off the cap for brush 3, just can start electronic pen 1.
The startup of electronic pen 1 divides two stages, promptly when the cap for brush 3 takes off, electronic pen 1 is in the dynamic model formula state for the treatment of, is detected by for example a kind of pressure transducer (not shown) that is connected with print cartridge 6 when the tip of prepared Chinese ink pipe 6 is pressed on the writing surface, and electronic pen 1 just activates fully.The meaning that electronic pen 1 is in holding state is that for example pen 1 interior processor starts, and camera 7 and light emitting diode 8 do not start yet.Electronic pen a kind of radio interface (for example short range radio, inductive coupling or infrared light) go up with the external device (ED) situation that for example PDA, computing machine or mobile phone are connected under.Electronic pen 1 can be connected with the said external device under holding state, thereby makes the work of electronic pen be linked to be an integral body.
In addition, also can save holding state, like this, when removing the cap for brush 3, electronic pen 1 just activates fully.
Available sensing element is implemented the startup of electronic pen, and Hall element 9 among the figure and magnet 11 are examples of sensing element.The actuation mechanism of electronic pen comprises the device that is used to start electronic pen of any other form in sensing element and the pen.
When removing the cap for brush 3, magnet 11 and Hall element 9 just from a distance, this causes that the magnetic field that influence Hall element 9 changes, and therefore can utilize the voltage differences that produce in the Hall element 9 to start the interior said apparatus of electronic pen.
Also can adopt the magnetic switch of other types, for example reed switch.
Ferrite elements 10 can attract magnetic field, and makes magnetic field concentration around Hall element 9, and the magnet 11 in the cap for brush 3 can be done forr a short time like this, and its thickness is about 1mm, the about 3mm of diameter.In addition, also can a magnet (not shown) be installed near the Hall element with the magnetic field on the part reinforcement Hall element.Therefore, only need a small amount of magnetic field that increases just can turn on and off Hall element 9.Magnet 11 moves in groove 12 it is slided on the suitable position easily, and this just makes the assembling of the cap for brush 3 simple.
When the cap for brush 3 placed the leading section 2a of electronic pen 1, the magnetic field that influences Hall element 9 will change during near Hall element 9 at magnet 11.The voltage that is produced is used to make the device in the pen 1 to stop action.When the cap for brush 3 places on the handwriting 2, do not need all devices all to stop action immediately, may be that electronic pen 1 at first finishes ongoing information processing.
Therefore, the sensor that can work non-contactly of use just can make electronic pen 1 start and stop to start.
The above-mentioned cap for brush 3 and handwriting 2 are designed to the top that when the cap for brush 3 is overlapping leading section 2a magnet 11 is located immediately at Hall element 9.For this reason can be for example handwriting and the cap for brush being made its xsect is non-circular (for example ellipse, polygon etc.).And the guiding rib and/or the guide channel of concerted action can be set on the cap for brush and handwriting.
Electronic pen can be above-mentioned one or more magnetic field sensors, for example can utilize light or pressure differential to detect the sensor whether cap for brush takes off but have.
For example, can an optical sensor that be covered by the cap for brush 3 be installed on the leading section 2a when the cap for brush 3 is enclosed within on the pen.When the cap for brush 3 took off, the light of being sent by optical sensor just made pen start.
Under the situation of above-mentioned usefulness optical pen, camera 7 can be used as above-mentioned this optical sensor.Therefore, whether camera 7 starts at least periodically to detect the cap for brush 3 and removes.In order to reduce energy consumption.Can only start one or several imaging component of camera.For further energy savings, can be designed to the cap for brush 3 can vertically exert pressure to print cartridge 6 along it, so that produce corresponding output signal from above-mentioned pressure transducer.Therefore, when the duration of pressure transducer output signal is longer than preset time, just can interrupt the action of camera/optical sensor.
When the cap for brush 3 took out, electronic pen 1 just can be according to starting from the signal of camera 7 or from the signal of pressure transducer.When the cap for brush 3 is enclosed within when last again, electronic pen 1 just stops action according to the signal from camera.
Camera combined with pressure transducer, and use to also have additional advantage be to prevent that electronic pen from making electronic pen quit work when using in the darkroom mistakenly.
Also can use preferably for example linear acceleration sensor of the motion sensor longitudinally settled, but vertically moving of when the cap for brush 3 separates with handwriting 2, taking place of this sensor detected electrons pen 1.It preferably can indicate the cap for brush 3 to remove or be enclosed within the use that combines of sensor on 1 the leading section 2a with certain.Like this, when the cap for brush 3 place leading section 2a and pen when mobile electronic pen 1 just do not start.For example, it is that put or removed to survey the cap for brush 3 that motion sensor can trigger optical sensor (for example camera), thereby guarantee that electronic pen 1 can be owing to motion starts when the cap for brush 3 places on the handwriting 2.
The startup of electronic pen 1 and stop to start also and can handle by the mechanical switch in the leading section 2a that is arranged on pen 1.When the cap for brush 3 when handwriting is taken off, mechanical switch just unclamps, this just can make the device in the pen 1 start.The example of above-mentioned mechanical switch has: tilt switch, switch contacts, slide switch and pushing button etc.
The another kind of method that makes electronic pen 1 start and stop to start is to adopt electric switch, for example with two quoit and sheet metals that are positioned at the cap for brush 3 from handwriting 2 projectioies.When the cap for brush 3 is enclosed within leading section 2a when going up, the sheet metals in the above-mentioned quoit and the cap for brush 3 constitute a closed circuit, and when the cap for brush took off, above-mentioned connection was thrown off, and circuit is disconnected.Also can make the total inner surface of the cap for brush 3 have electric conductivity, or adopt the metal cap for brush 3.
In another embodiment, remove the cap for brush 3 pen 1 is started, and electronic pen 1 is started when being placed on the cap for brush on for example relative part of other parts of handwriting 2 with leading section 2a.
Claims (29)
1. electronic pen, comprise a handwriting, a cap for brush and an actuating mechanism, this actuating mechanism has one and is used to detect the above-mentioned cap for brush and whether is enclosed within sensor on the above-mentioned handwriting, and above-mentioned actuating mechanism can be in the work and start above-mentioned electronic pen when above-mentioned handwriting is removed of the above-mentioned cap for brush.
2. electronic pen, comprise a handwriting, a cap for brush and an actuating mechanism, this actuating mechanism has one and is used to detect the above-mentioned cap for brush and whether is enclosed within sensor on the above-mentioned handwriting, and above-mentioned actuating mechanism can be worked when the above-mentioned cap for brush is placed on the above-mentioned handwriting and be made above-mentioned electronic pen stop to start.
3. electronic pen; comprise the cap for brush and an actuating mechanism that a handwriting, one are provided with for the leading section of protecting this handwriting; this actuating mechanism has one and is used to survey the above-mentioned cap for brush and whether is in sensor on the part of opening with the said front part of above-mentioned handwriting, thereby above-mentioned actuating mechanism is placed on to work on the part that above-mentioned and leading section above-mentioned handwriting separate according to the above-mentioned cap for brush and starts above-mentioned electronic pen.
4. according to the electronic pen of claim 3, it is characterized in that the above-mentioned part of opening with said front part above-mentioned handwriting is the part relative with above-mentioned leading section.
5. according to claim 1,2,3 or 4 electronic pen, it is characterized in that above-mentioned sensor comprises a kind of mechanical switch.
6. according to claim 1,2,3 or 4 electronic pen, it is characterized in that above-mentioned sensor comprises a kind of electric switch.
7. according to claim 1,2,3 or 4 electronic pen, it is characterized in that above-mentioned sensor can be worked non-contactly.
8. according to the electronic pen of claim 7, it is characterized in that above-mentioned sensor comprises a kind of motion sensor.
9. according to the electronic pen of claim 7, it is characterized in that above-mentioned sensor comprises a kind of optical sensor.
10. according to the electronic pen of claim 9, it is characterized in that above-mentioned optical sensor is a kind of solid state image device.
11. the electronic pen according to claim 10 is characterized in that, when above-mentioned electronic pen was worked, above-mentioned solid state image device can be used for recorded information.
12. the electronic pen according to claim 9 is characterized in that, above-mentioned sensor also comprises a kind of pressure transducer.
13. electronic pen according to claim 12; it is characterized in that; also comprise a writing implement; the above-mentioned cap for brush covers above-mentioned writing implement so that protect above-mentioned writing implement when above-mentioned electronic pen is not worked, and above-mentioned pressure transducer can be used for detecting above-mentioned writing implement and when is pressed on the writing surface.
14. the electronic pen according to claim 7 is characterized in that, whether the sensor utilizes the variation in magnetic field to detect the above-mentioned cap for brush and is enclosed within on the above-mentioned handwriting.
15. the electronic pen according to claim 14 is characterized in that, above-mentioned sensor comprises a kind of reed switch.
16. the electronic pen according to claim 15 is characterized in that, above-mentioned reed switch is installed in the above-mentioned handwriting, and in the above-mentioned cap for brush magnet is installed.
17. the electronic pen according to claim 16 is characterized in that, above-mentioned magnet is installed under the clip on the above-mentioned cap for brush.
18. the electronic pen according to claim 14 is characterized in that, above-mentioned sensor comprises a Hall element.
19. the electronic pen according to claim 18 is characterized in that, above-mentioned Hall element is installed in the above-mentioned handwriting, and in the above-mentioned cap for brush magnet is installed.
20. the electronic pen according to claim 19 is characterized in that, above-mentioned magnet is installed under the clip on the above-mentioned cap for brush.
21. the electronic pen according to claim 18 is characterized in that, settles magnetic field collector, for example a sheet metal near above-mentioned Hall element.
22. the electronic pen according to claim 18 is characterized in that, settles a magnet near above-mentioned Hall element.
23. the electronic pen according to claim 7 is characterized in that, above-mentioned sensor comprises a kind of vibration transducer.
24. a startup has the method for the electronic pen of the handwriting and the cap for brush, comprises following steps:
Remove the above-mentioned cap for brush from above-mentioned handwriting;
Detecting the above-mentioned cap for brush is really removed; With
Start above-mentioned electronic pen.
25. the method according to claim 24 is characterized in that, the step that the above-mentioned cap for brush of above-mentioned detection is really removed comprises the following steps:
Measure the variation in magnetic field.
26. a method that makes electronic pen with handwriting and cap for brush stop to start comprises following steps:
The above-mentioned cap for brush is enclosed within on the above-mentioned handwriting;
Detecting the above-mentioned cap for brush packages really; With
Make above-mentioned electronic pen stop to start.
27. the method according to claim 26 is characterized in that, the step that the above-mentioned cap for brush of above-mentioned detection packages really comprises the steps:
Measure the variation in magnetic field.
28. a startup has the method for the electronic pen of a handwriting that has a leading section and a cap for brush, comprises following steps:
The above-mentioned cap for brush is placed on the part of opening with the said front part of above-mentioned handwriting;
Detecting the above-mentioned cap for brush places; With
Start above-mentioned electronic pen.
29. the method according to claim 28 is characterized in that, the step that the above-mentioned cap for brush of above-mentioned detection has placed comprises the steps:
Measure the variation in magnetic field.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SE2001/001036 WO2002093467A1 (en) | 2001-05-11 | 2001-05-11 | Electronic pen with actuation through removal of cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1518723A true CN1518723A (en) | 2004-08-04 |
| CN1227619C CN1227619C (en) | 2005-11-16 |
Family
ID=33029168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01823376.7A Expired - Fee Related CN1227619C (en) | 2001-05-11 | 2001-05-11 | Electronic pen with actuation through removal of cap |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2004527853A (en) |
| CN (1) | CN1227619C (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102027437A (en) * | 2008-06-23 | 2011-04-20 | 西尔弗布鲁克研究股份有限公司 | Electronic pen with retractable nib and force sensor |
| CN103620529A (en) * | 2011-06-22 | 2014-03-05 | 苹果公司 | Intelligent stylus |
| US9310923B2 (en) | 2010-12-03 | 2016-04-12 | Apple Inc. | Input device for touch sensitive devices |
| US9519361B2 (en) | 2011-06-22 | 2016-12-13 | Apple Inc. | Active stylus |
| US9557845B2 (en) | 2012-07-27 | 2017-01-31 | Apple Inc. | Input device for and method of communication with capacitive devices through frequency variation |
| US9652090B2 (en) | 2012-07-27 | 2017-05-16 | Apple Inc. | Device for digital communication through capacitive coupling |
| CN107399183A (en) * | 2017-07-17 | 2017-11-28 | 苏州亨达尔工业材料有限公司 | A kind of plastic cap of pen |
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| CN108664151A (en) * | 2017-04-02 | 2018-10-16 | 田雪松 | digital pen |
| CN110045880A (en) * | 2019-05-21 | 2019-07-23 | 深圳腾千里科技有限公司 | A kind of writing device |
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- 2001-05-11 JP JP2002590068A patent/JP2004527853A/en active Pending
- 2001-05-11 CN CN01823376.7A patent/CN1227619C/en not_active Expired - Fee Related
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| US9557845B2 (en) | 2012-07-27 | 2017-01-31 | Apple Inc. | Input device for and method of communication with capacitive devices through frequency variation |
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| US10061449B2 (en) | 2014-12-04 | 2018-08-28 | Apple Inc. | Coarse scan and targeted active mode scan for touch and stylus |
| US10067618B2 (en) | 2014-12-04 | 2018-09-04 | Apple Inc. | Coarse scan and targeted active mode scan for touch |
| US10664113B2 (en) | 2014-12-04 | 2020-05-26 | Apple Inc. | Coarse scan and targeted active mode scan for touch and stylus |
| US10474277B2 (en) | 2016-05-31 | 2019-11-12 | Apple Inc. | Position-based stylus communication |
| CN108664151A (en) * | 2017-04-02 | 2018-10-16 | 田雪松 | digital pen |
| CN108664148A (en) * | 2017-04-02 | 2018-10-16 | 田雪松 | A kind of dot matrix imaging hand writing system |
| CN107399183A (en) * | 2017-07-17 | 2017-11-28 | 苏州亨达尔工业材料有限公司 | A kind of plastic cap of pen |
| CN110045880A (en) * | 2019-05-21 | 2019-07-23 | 深圳腾千里科技有限公司 | A kind of writing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1227619C (en) | 2005-11-16 |
| JP2004527853A (en) | 2004-09-09 |
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