CN203164896U - Electromagnetic pen and electromagnetic handwriting device - Google Patents

Electromagnetic pen and electromagnetic handwriting device Download PDF

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Publication number
CN203164896U
CN203164896U CN 201320055759 CN201320055759U CN203164896U CN 203164896 U CN203164896 U CN 203164896U CN 201320055759 CN201320055759 CN 201320055759 CN 201320055759 U CN201320055759 U CN 201320055759U CN 203164896 U CN203164896 U CN 203164896U
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China
Prior art keywords
magnet ring
shell
time writer
electromagnetic
magnetic ring
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Expired - Lifetime
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CN 201320055759
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Chinese (zh)
Inventor
谢磊
贺爱兰
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Individual
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Individual
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Priority to CN 201320055759 priority Critical patent/CN203164896U/en
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Abstract

The utility model discloses an electromagnetic handwriting device and an electromagnetic pen. The electromagnetic pen comprises a hollow pen shell and a pen core installed in the pen shell. The electromagnetic pen further comprises a first magnetic ring, a second magnetic ring and a resonance circuit, wherein the first magnetic ring is movably contained in the pen shell, the second magnetic ring is fixedly installed in the pen shell opposite to the first magnetic ring, and the opposite surfaces of the first magnetic ring and the second magnetic ring are curve surfaces matched with each other. The resonance circuit generates electromagnetic signals according to position changes of the first magnetic ring relative to the second magnetic ring, and the resonance circuit comprises an inductor which is composed of a coil wound at a position, corresponding to the first magnetic ring, of the pen shell. According to the electromagnetic handwriting device and the electromagnetic pen, the technical scheme that the fixed magnetic ring and the movable magnetic ring are installed in the pen shell in an opposite mode and the opposite surfaces of the two magnetic rings are the curve surfaces which are matched with each other is adopted, therefore, the relative magnetic conduction area is increased, and the technical effects that the magnetic conductivity is high, sensibility of the inductance variation is high, and pressure, tracks and other information can be captured rapidly at any time when users use the electromagnetic handwriting device and the electromagnetic pen are achieved.

Description

Time writer and electromagnetism handwriting device
Technical field
The utility model relates to computer entry device, relates in particular to a kind of time writer and electromagnetism handwriting device.
Background technology
Time writer is a kind of computer peripheral equipment product commonly used, and equipment matching used with it is magnetic board.Time writer can send computing machine to by magnetic board in data such as the mobile trajectory coordinates of magnetic board, pressure sizes, and then realizes the purpose of Writing-painting.
The measurement of traditional pressure sensitivity of electromagnetic plate mainly is that the variation of the reception signal waveform phase place that causes of the variation according to time writer internal inductance value realizes, yet, the magnetic permeability of prior art is little, the sensitivity of inductance variable quantity is low, can not catch information such as in use pressure of user, track at any time fast.
The utility model content
The utility model embodiment technical matters to be solved is, provides a kind of magnetic permeability big, and inductance variable quantity highly sensitive can catch the time writer of information such as in use pressure of user, track at any time fast.
The utility model embodiment another technical matters to be solved is, provides a kind of magnetic permeability big, and inductance variable quantity highly sensitive can catch the electromagnetism handwriting device of information such as in use pressure of user, track at any time fast.
In view of this, the utility model embodiment provides a kind of time writer, comprises a shell of hollow and is arranged at the interior pen core of a shell, and described time writer also comprises: be placed in first magnet ring in the shell versatilely; Relatively be fixedly arranged on second magnet ring in the shell with first magnet ring, and the opposite face of first magnet ring and second magnet ring is mutual adaptive curved surface, the middle part of pen core is passed and is fixed in first magnet ring, and the bottom is arranged in second magnet ring versatilely, and the top is resisted against elastic parts; And producing the resonant circuit of electromagnetic signal according to first magnet ring with respect to the change in location of second magnet ring, described resonant circuit comprises the inductance that the coil corresponding to the first magnet ring position that is wound on a shell is formed.
Further, the external diameter of described first magnet ring and second magnet ring equates, opposite face is adaptive mutually hollow and bottom stretch out round table surface or the terrace with edge face of preset distance.
Further, the internal diameter of described first magnet ring is less than the internal diameter of second magnet ring, and accordingly, the diameter at pen core middle part is formed for accepting the step of first magnet ring less than the diameter of bottom and middle part and position, boundary, bottom.
Further, the bottom interior wall of the shell formation baffle plate that extends internally, the middle part inwall extends internally and is formed with the dividing plate mutual adaptive with the opposite face of first magnet ring and second magnet ring, and the inwall of baffle plate, dividing plate and a shell is formed for fixing the fixing containing cavity of second magnet ring.
Further, the top inner wall of shell forms step trough, the top of pen core is embedded to be fixed on the holding firmware, the bottom end face of holding firmware is provided with vertically be used to being embedded the fixedly blind hole of pen core, and the external diameter of bottom is adaptive mutually with the internal diameter of a shell, the top of holding firmware is provided with storage tank, and the external diameter of storage tank and the internal diameter of step trough are adaptive mutually.
Further, the sheathed support in the top of a shell, elastic parts comprises rubber bag tank and insulated spring, the open card of rubber bag tank is fixed in the bottom of storage tank, one end of insulated spring is sheathed on the outside of rubber bag tank, and is butted on the outer wall of opening part of rubber bag tank, and the other end is resisted against rack inner wall.
Further, rubber bag tank equates with the height of insulated spring under the normality.
Further, described resonant circuit is the LC oscillatory circuit, and the LC oscillatory circuit comprises described inductance and is electrically connected on the electric capacity of described inductance.
The utility model embodiment also provides a kind of electromagnetism handwriting device, and it comprises: operation produces concurrent radio magnetic signal, aforesaid time writer according to user writing; And for the electromagnetic signal treating apparatus of responding to and handle the electromagnetic signal of described time writer emission.
Further, described electromagnetic signal treating apparatus comprises: the receiver that is used for the electromagnetic signal of reception time writer emission; Be connected in receiver and handle the signal processing circuit of the electromagnetic signal that receiver receives; And be connected in signal processing circuit and the handled electromagnetic signal of signal processing circuit is carried out the microprocessor that calculation process obtains coordinate data.
The beneficial effect of the utility model embodiment is: decide magnet ring and moving magnet ring by adopting relatively to arrange in a shell, the opposite face of two magnet rings is the technological means of mutually adaptive curved surface, thereby increased relative magnetic conductive area, it is big to have reached magnetic permeability, inductance variable quantity highly sensitive can catch the technique effect of information such as in use pressure of user, track at any time fast.
Description of drawings
Fig. 1 is the cut-open view under the normality of time writer of the utility model embodiment.
Fig. 2 is the cut-open view under the state of writing of time writer of the utility model embodiment.
Embodiment
Need to prove, under the situation of not conflicting, embodiment and the feature among the embodiment in the utility model can mutually combine, for convenience of description, in the utility model instructions with time writer under user's use state, end with respect to writing surface of time writer is defined as the end, and then extend concepts such as bottom, bottom, deviating from an end of writing surface of time writer is defined as the top, and then extend concepts such as top, top, below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Please refer to Fig. 1 ~ Fig. 2, the time writer of the utility model embodiment comprises a shell 10, first magnet ring 20, second magnet ring 30, pen core 40, elastic parts 50 and resonant circuit (scheming not shown).
Shell 10 is hollow tube-shape.The bottom interior wall of shell 10 extends internally and forms baffle plate 11, and the middle part inwall extends internally and forms dividing plate 13, and the top inner wall of a shell 10 forms step trough 15, and the top of a shell 10 also is arranged with support 17.
First magnet ring 20 is placed in the shell 10 versatilely.
Second magnet ring 30 and first magnet ring 20 relatively are fixedly arranged in the shell 10, and the opposite face of first magnet ring 20 and second magnet ring 30 is mutual adaptive curved surface.Particularly, the external diameter of described first magnet ring 20 and second magnet ring 30 equates, opposite face is adaptive mutually hollow and bottom stretch out round table surface or the terrace with edge face of preset distance.Thereby, the opposite face of first magnet ring 20 and second magnet ring 30 has been done the curved surface processing, can fit fully, to increase relative magnetic conductive area, it will be appreciated by persons skilled in the art that also being fine as long as can realize increasing relative magnetic conductive area as other curved surface processing modes such as spheres of two magnet ring opposite faces.The internal diameter of described first magnet ring 20 is less than the internal diameter of second magnet ring 30.
The opposite face of described dividing plate 13 and first magnet ring 20 and second magnet ring 30 is adaptive mutually, and baffle plate 11, dividing plate 13 and a shell 10 inwalls are formed for fixing the fixing containing cavity of second magnet ring 30.
Pen core 40 is arranged in the shell 10, the middle part of pen core 40 is passed and is fixed in first magnet ring 20, and the bottom is arranged in second magnet ring 30 versatilely, and corresponding smooth surface, be beneficial to pen core 40 and slide up and down along the central axial direction of second magnet ring 30, the top is resisted against elastic parts 50.Corresponding to the internal diameter of first magnet ring 20 internal diameter less than second magnet ring 30, the diameter at pen core 40 middle parts is formed for accepting the step of first magnet ring 20 less than the diameter of bottom and middle part and position, boundary, bottom, in order to first magnet ring 20 is moved up along axis direction with pen core 40.As a kind of embodiment, time writer also comprises holding firmware 60, the top of pen core 40 is embedded to be fixed on the holding firmware 60, the bottom end face of holding firmware 60 is provided with vertically be used to being embedded the fixedly blind hole 61 of pen core 40, and the external diameter of bottom is adaptive mutually with the internal diameter of a shell 10, thereby, just first magnet ring 20 and pen core 40 are fastened as one synchronously to move up and down to the accepting of first magnet ring 20 by the step of the fixing on 60 pairs of pen core 40 tops of holding firmware and pen core 40.The top of holding firmware 60 is provided with storage tank 63, and the internal diameter of the external diameter of storage tank 63 and step trough 15 is adaptive mutually.Storage tank 63 cooperates elastic parts 50 containing cavities that form ccontaining described elastic parts 50 with described support 17.
Elastic parts 50 comprises rubber bag tank 51 and insulated spring 53, the open card of rubber bag tank 51 is fixed in the bottom of storage tank 63, one end of insulated spring 53 is sheathed on the outside of rubber bag tank 51, and is butted on the outer wall of opening part of rubber bag tank 51, and the other end is resisted against support 17 inwalls.Rubber bag tank 51 equates with the height of insulated spring 53 under the normality, is beneficial to elastic parts 50 cooperations and acts on pen core 40 simultaneously.Because dividing plate 13 has elasticity, it separates first magnet ring 20 and second magnet ring 30, the backstop action that cooperates step trough 15 again, be not subjected at pen core 40 under the condition of external force, make the fixedly relative position of two magnet rings precisely controlled, this moment, effectively magnetic conductive area was fixed, and the inductance value of external coil is constant, and the frequency of resonant circuit can accurately be controlled.
Described resonant circuit is used for producing electromagnetic signal according to first magnet ring 20 with respect to the change in location of second magnet ring 30, in the present embodiment, described resonant circuit is the LC oscillatory circuit, and the LC oscillatory circuit comprises inductance 70 and is electrically connected on the electric capacity (not shown) of described inductance 70.Wherein, the coil corresponding to first magnet ring, 20 positions that is wound on a shell 10 has been formed inductance 70.Inductance 70 is as the energy storage device in magnetic field, electric capacity is as the energy storage device of electric field, when inductance 70 when being subjected to the influencing of external electromagnetic field, inductance 70 electric capacity are formed, the LC oscillatory circuit will change between electric field and magnetic field in not stall, will produce the electromagnetic wave of fixed frequency.
The utility model embodiment also provides a kind of electromagnetism handwriting device, comprises that operation produces concurrent radio magnetic signal, aforesaid time writer according to user writing; And for the electromagnetic signal treating apparatus (also being magnetic board) of responding to and handle the electromagnetic signal of described time writer emission.
Described electromagnetic signal treating apparatus comprises: the receiver that is used for the electromagnetic signal of reception time writer emission; Be connected in receiver and handle the signal processing circuit of the electromagnetic signal that receiver receives; And be connected in signal processing circuit and the handled electromagnetic signal of signal processing circuit is carried out the microprocessor that calculation process obtains coordinate data.
The electromagnetism handwriting device of the utility model embodiment and the course of work of time writer are: under the use state, nib contact magnetic board, upwarded pressure, nib is moved upward along central axis, because second magnet ring 30 is fixed on the fixing containing cavity, pen core 40 is along central axis smooth moving in second magnet ring 30, first magnet ring 20 and pen core 40 fasten as one, pen core 40 moves drive first magnet ring 20 and moves, make win magnet ring 20 and second magnet ring 30 that relative displacement take place, changed effective magnetic conductive area of first magnet ring 20 and second magnet ring 30, and then changed the inductance value of inductance 70, the coil two ends of inductance 70 connect the LC oscillatory circuit.Therefore change oscillation frequency, produced concurrent radio magnetic signal.
Simultaneously, when the nib pressurized, pen core 40 moves along central axial direction, drives first magnet ring 20 and moves with holding firmware 60, and rubber bag tank 51 and insulated spring 53 with the pressure size in various degree deformation take place.Pressure is more big, and deformation is more big, and first magnet ring 20 and 30 relative displacements of second magnet ring are also more big, and effectively the magnetic conductive area change is more many, and the peripheral coil inductance value changes more greatly, and oscillation frequency also changes thereupon flexibly.
When discharging nib, when not having pressure to give pen core 40, elastic parts 50 can recover virgin state, so just, provide one with the rightabout elastic restoring force of pen core 40 pressures to holding firmware 60, holding firmware 60 smoothly moves down and drive pen core 40 in a shell 10 and first magnet ring 20 moves down along central axial direction.When elastic element recovers as at the beginning, the relative position of first magnet ring 20 and second magnet ring 30 also returns to initial position, in this process, oscillation frequency is change flexibly thereupon also.
To sum up, it is passive, accurate and efficient, easy to use that the electromagnetism handwriting device of the utility model embodiment and time writer have, the advantage of energy-conserving and environment-protective.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that under the situation that does not break away from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claims and equivalency range thereof.

Claims (10)

1. a time writer comprises a shell of hollow and is arranged at the interior pen core of a shell, it is characterized in that described time writer also comprises:
Be placed in first magnet ring in the shell versatilely;
Relatively be fixedly arranged on second magnet ring in the shell with first magnet ring, and the opposite face of first magnet ring and second magnet ring is mutual adaptive curved surface, the middle part of pen core is passed and is fixed in first magnet ring, and the bottom is arranged in second magnet ring versatilely, and the top is resisted against elastic parts; And
Produce the resonant circuit of electromagnetic signal according to first magnet ring with respect to the change in location of second magnet ring, described resonant circuit comprises the inductance that the coil corresponding to the first magnet ring position that is wound on a shell is formed.
2. time writer as claimed in claim 1 is characterized in that, the external diameter of described first magnet ring and second magnet ring equates, opposite face is adaptive mutually hollow and bottom stretch out round table surface or the terrace with edge face of preset distance.
3. time writer as claimed in claim 1 is characterized in that, the internal diameter of described first magnet ring is less than the internal diameter of second magnet ring, and accordingly, the diameter at pen core middle part is formed for accepting the step of first magnet ring less than the diameter of bottom and middle part and position, boundary, bottom.
4. time writer as claimed in claim 1, it is characterized in that, the bottom interior wall of the shell formation baffle plate that extends internally, the middle part inwall extends internally and is formed with the dividing plate mutual adaptive with the opposite face of first magnet ring and second magnet ring, and the inwall of baffle plate, dividing plate and a shell is formed for fixing the fixing containing cavity of second magnet ring.
5. time writer as claimed in claim 1, it is characterized in that, the top inner wall of shell forms step trough, the top of pen core is embedded to be fixed on the holding firmware, the bottom end face of holding firmware is provided with vertically be used to being embedded the fixedly blind hole of pen core, and the external diameter of bottom is adaptive mutually with the internal diameter of a shell, and the top of holding firmware is provided with storage tank, and the external diameter of storage tank and the internal diameter of step trough are adaptive mutually.
6. time writer as claimed in claim 5, it is characterized in that, the sheathed support in top of shell, elastic parts comprises rubber bag tank and insulated spring, the open card of rubber bag tank is fixed in the bottom of storage tank, one end of insulated spring is sheathed on the outside of rubber bag tank, and is butted on the outer wall of opening part of rubber bag tank, and the other end is resisted against rack inner wall.
7. time writer as claimed in claim 6 is characterized in that, rubber bag tank equates with the height of insulated spring under the normality.
8. time writer as claimed in claim 1 is characterized in that, described resonant circuit is the LC oscillatory circuit, and the LC oscillatory circuit comprises described inductance and is electrically connected on the electric capacity of described inductance.
9. an electromagnetism handwriting device is characterized in that, described electromagnetism handwriting device comprises:
According to user writing operation produce concurrent radio magnetic signal, as each described time writer in the claim 1～8; And
Be used for responding to and handling the electromagnetic signal treating apparatus of the electromagnetic signal of described time writer emission.
10. electromagnetism handwriting device as claimed in claim 9 is characterized in that, described electromagnetic signal treating apparatus comprises:
The receiver that is used for the electromagnetic signal of reception time writer emission;
Be connected in receiver and handle the signal processing circuit of the electromagnetic signal that receiver receives; And
Be connected in signal processing circuit and the handled electromagnetic signal of signal processing circuit is carried out the microprocessor that calculation process obtains coordinate data.
CN 201320055759 2013-01-31 2013-01-31 Electromagnetic pen and electromagnetic handwriting device Expired - Lifetime CN203164896U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320055759 CN203164896U (en) 2013-01-31 2013-01-31 Electromagnetic pen and electromagnetic handwriting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320055759 CN203164896U (en) 2013-01-31 2013-01-31 Electromagnetic pen and electromagnetic handwriting device

Publications (1)

Publication Number Publication Date
CN203164896U true CN203164896U (en) 2013-08-28

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CN 201320055759 Expired - Lifetime CN203164896U (en) 2013-01-31 2013-01-31 Electromagnetic pen and electromagnetic handwriting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103076904A (en) * 2013-01-31 2013-05-01 贺爱兰 Electromagnetic pen and electromagnetic writing device
CN106201025A (en) * 2016-06-28 2016-12-07 深圳市绘王动漫科技有限公司 Electronic handwriting pen and electronic handwritten system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103076904A (en) * 2013-01-31 2013-05-01 贺爱兰 Electromagnetic pen and electromagnetic writing device
CN103076904B (en) * 2013-01-31 2016-01-20 贺爱兰 Time writer and electromagnetic handwriting device
CN106201025A (en) * 2016-06-28 2016-12-07 深圳市绘王动漫科技有限公司 Electronic handwriting pen and electronic handwritten system
CN106201025B (en) * 2016-06-28 2019-08-27 深圳市绘王动漫科技有限公司 Electronic handwriting pen and electronic handwritten system

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GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20130828

Effective date of abandoning: 20170504