JP2019197301A - Input pen - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an input pen attached with multiple ball point pen refills into a shaft cylinder, and capable of performing an input in an electromagnetic induction type.

SOLUTION: A pen comprises: a shaft cylinder having a tip opening that is an opening at a tip; multiple ball point pen refills accommodated inside the shaft cylinder and each having a ball point pen tip made of a metal, and capable of projecting and retracting through the tip opening; and a refill for position indication accommodated inside the shaft cylinder and corresponding to an electromagnetic induction type. In a projection state where the ball point pen tip projects from the tip opening. a magnetic circuit transmitting electromagnetic energy to an electromagnetic induction type position transducer is formed.

SELECTED DRAWING: Figure 3

COPYRIGHT: (C)2020,JPO&INPIT

Description

  The present invention relates to an input pen.

  Conventionally, there has been proposed an electronic pen using a ballpoint pen refill for a core of an electromagnetic induction stylus pen having a resonance circuit composed of a coil and a capacitor (see Patent Document 1).

Japanese Utility Model Publication No. 7-41629

  Here, when writing on the paper on the electromagnetic induction type position detector with an electronic pen using a ballpoint pen refill on the core of the stylus pen, the handwriting by the ballpoint pen refill remains on the paper, and the position detector The handwriting can be recognized and left as electronic information. That is, in this case, the information drawn with the ballpoint pen refill on the paper can be left as electronic information.

  At this time, the electronic pen of Patent Document 1 has a structure in which a ballpoint pen refill passes through the center of a cylindrical ferrite coil, and the ballpoint pen refill is located at the axis of the shaft cylinder. For this reason, in the electronic pen disclosed in Patent Document 1, if a plurality of ballpoint pen refills are to be mounted in the shaft cylinder, the diameter of the shaft cylinder increases. That is, in the electronic pen of Patent Document 1, it is difficult to mount a plurality of ballpoint pen refills, and it is difficult to develop the multicolor ballpoint pen.

  Accordingly, an object of the present invention is to provide an input pen capable of inputting by an electromagnetic induction method in which a plurality of ballpoint pen refills are mounted in a shaft cylinder.

In order to solve the above-described problems, an embodiment of the present invention has the following configuration.
(1) First Embodiment An input pen according to a first embodiment of the present invention includes a shaft cylinder having a tip opening that is an opening portion of a tip, and a housing that is accommodated in the shaft cylinder and that protrudes and protrudes from the tip opening. A plurality of ballpoint pen refills having a metal ballpoint pen tip, and a position indicating refill accommodated in the shaft cylinder and corresponding to an electromagnetic induction method, wherein the ballpoint pen tip protrudes from the tip opening In the state, a magnetic path for transmitting electromagnetic energy to the electromagnetic induction type position detector is formed.
With the above configuration, the position detector is in the writing state even if the position pointing refill is arranged at a distance where the position detector cannot be determined to be in a writing state in which writing with the input pen can be performed alone. Therefore, handwriting by ballpoint pen refill can be left as electronic information. Further, with the above configuration, it is possible to leave handwriting on the paper surface by ballpoint pen refill as well as leaving the electronic information.

(2) Second Embodiment In addition to the first embodiment, the input pen according to the second embodiment of the present invention is equipped with a magnetic adjustment member having a magnetic permeability different from that of the ball-point pen tip. In the protruding state, the position indicating refill, the ballpoint pen tip and the magnetic adjustment member form a magnetic path for transmitting electromagnetic energy to the position detector.

(3) Third Embodiment In addition to the first or second embodiment, the input pen according to the third embodiment of the present invention has a contact tip that is a tip of the position indicating refill provided in the shaft cylinder. Of these, it is fixed at a position away from the tip opening by a predetermined amount. The predetermined amount mentioned here indicates a distance at which the position detector can determine that the input pen is in the writing state in the protruding state, and is preferably 5 to 10 mm.

  ADVANTAGE OF THE INVENTION According to this invention, the input pen which can be input by the electromagnetic induction system which mounted the some ball-point pen refill in the axial cylinder can be provided.

It is the front view (A) in the immersion state of the input pen which concerns on this Embodiment, a right view (B), and AA sectional drawing (C) of a front view. They are the front view (A) in the protrusion state of the input pen which concerns on this Embodiment, a right view (B), and BB sectional drawing (C) of a front view. It is the front view (A) of the ball-point pen refill which concerns on this Embodiment, and CC sectional drawing (B) of a front view. It is a perspective view which shows the use condition of the input pen which concerns on this Embodiment.

  The present embodiment will be described with reference to the drawings. In the following description, “front end side” refers to one side toward the front shaft 12 described later in the axial direction of the input pen 5, and “rear end side” refers to the other side toward the rear shaft 14 described later. Say the side.

(1) External appearance of input pen 5 The input pen 5 according to the present embodiment is a writing instrument including a plurality of refills, and has an external appearance as shown in FIGS.
FIG. 1A is a front view of the input pen 5 showing an immersion state in which all of the plurality of refills are immersed in the shaft tube 10, and FIG. 1B is an input pen 5 showing the immersion state. FIG. FIG. 2A is a front view of the input pen 5 showing a protruding state in which the position-indicating refill 40 is immersed in the shaft cylinder 10 and the ball-point pen tip 63 of one ball-point pen refill 60 protrudes from the shaft cylinder 10. FIG. 2B is a right side view of the input pen 5 showing a protruding state.

  The input pen 5 includes, as an external structure thereof, a shaft cylinder 10 having openings at the front end and the rear end. The shaft tube 10 is located on the front end side in the axial direction, and the front shaft 12 formed in a tapered shape with the front end portion tapered, and the rear shaft 14 located on the rear end side of the front shaft 12 are mutually connected. It is formed by screwing. At the tip of the front shaft 12, a tip opening 13 in which a ballpoint pen tip 63 (see FIGS. 2A and 2B) of the ballpoint pen refill 60 can protrude and retract is formed as a tip opening. A rear end opening 15 through which the cap member 19 is exposed is formed at the end as a rear end opening. The cap member 19 is formed in a hollow dome shape, and is provided at the rear end of the guide tube 32 (see FIGS. 1C and 2C).

  A total of two guide holes 16 that are long holes along the axial direction are formed on the rear end side of the rear shaft 14. From the guide hole 16, knock protrusions 22 of a total of two knock bars 20 attached to the rear end of the ballpoint pen refill 60 are exposed. Further, an exposure hole 11 is formed on the rear end side of the rear shaft 14. The exposure hole 11 has a length that allows the clip 26 formed integrally with the rod member 24 attached to the rear end of the position indicating refill 40 to be exposed. Has been.

  The knock bar 20 attached to the ballpoint pen refill 60 is movable in the axial direction along the corresponding guide hole 16. Specifically, based on the knocking operation of the knock bar 20 by the user, the knock bar 20 is moved in the axial direction along the corresponding guide hole 16, whereby the ball-point pen tip of the ball-point refill 60 from the tip opening 13. 63 can appear and disappear. On the other hand, the rod member 24 attached to the position indicating refill 40 is fixed at a fixed position and cannot move in the axial direction, that is, cannot be knocked.

(2) Inside of Input Pen 5 FIG. 1C is a cross-sectional view taken along the line AA of the input pen 5 showing the immersion state, and FIG. 2C is a front view of the input pen 5 showing the protruding state. It is BB sectional drawing of.
In the shaft tube 10, a position indicating refill 40 and two ballpoint pen refills 60 are accommodated as a plurality of refills. Details of each refill will be described later.

  Further, a refill support cylinder 30 for supporting each refill is mounted slightly behind the axial center in the shaft cylinder 10. The refill support cylinder 30 is formed in a short cylindrical shape, and is formed with a support hole 17 through which each refill is inserted. The refill support tube 30 is supported inside the shaft tube 10 by a support protrusion 18 that protrudes inward from the inner peripheral surface slightly behind the center in the axial direction inside the shaft tube 10.

  The knock bar 20 attached to the ballpoint pen refill 60 includes, in addition to the above-described knock protrusion 22, a connection protrusion 20A that is the tip of the knock bar 20, and a rear end side of the connection protrusion 20A. A spring support end 20B for supporting the rear end of the spring 28.

  In addition to the above-described clip 26, the bar member 24 mounted on the position indicating refill 40 includes a connection protrusion 24A that is the tip of the bar member 24, and a rear end side of the connection protrusion 24A, which will be described later. And a spring support end 24B for supporting the rear end of the knock spring 27.

<Position refill 40>
The position indicating refill 40 is accommodated in the shaft tube 10 and is a refill corresponding to an electromagnetic induction method. The position indicating refill 40 reflects the electromagnetic energy transmitted by a position detector (not shown) included in the electromagnetic induction type input device 100 (for example, an electromagnetic induction tablet). The position of the input pen 5 is transmitted to (not shown), and has the following configuration, for example.

  The position indicating refill 40 includes a resin containing cylinder 41 having openings at the front and rear ends, and various members are accommodated inside the receiving cylinder 41. Various members are mounted.

  A distal end joint 44 made of a synthetic resin such as polypropylene and having a substantially tubular core holder 42 into which a rod-shaped ferrite core 43 is inserted is mounted on the distal end side of the housing cylinder 41. Further, a contact tip 45 made of a synthetic resin such as polyacetal is attached to the tip of the ferrite core 43. The contact tip 45 is fixed at a position about 7 mm away from the tip opening 13 as a position away from the tip opening 13 by a predetermined amount. Further, an electromagnetic induction coil 46 is disposed around the ferrite core 43 with the core holder 42 interposed therebetween.

  A pressure sensitive sensor 47 and a capacitor 48 that are electrically connected to the electromagnetic induction coil 46 are accommodated on the rear end side of the ferrite core 43 in the internal space of the accommodating cylinder 41. A rear end joint 49 made of synthetic resin such as polypropylene is attached to the rear end of the housing cylinder 41.

  A connecting portion 50 for connecting to the rod member 24 is attached to the rear end of the rear end joint 49. The rear end side of the connecting portion 50 is opened along the axial direction. A connection protrusion 24 </ b> A of the bar member 24 is press-fitted into the opening portion of the connection part 50, and the connection part 50 and the bar member 24 are connected. Thereby, the position indicating refill 40 and the rod member 24 are fixed, and the position indicating refill 40 is accommodated in the shaft tube 10.

  A knock spring 27 that urges the bar member 24 toward the rear end side is mounted around the rear end side of the connecting portion 50. The front end of the knock spring 27 is supported by the rear end edge of the refill support cylinder 30 and the rear end thereof is supported by the spring support end 24B of the bar member 24, thereby urging the bar member 24 toward the rear end side. ing. Further, a return spring 51 that urges the housing cylinder 41 toward the distal end side is mounted on the distal end side of the periphery of the connecting portion 50 with respect to the mounting portion of the knock spring 27. The return spring 51 has a function of preventing the position indicating refill 40 from being damaged by a drop impact or the like. Since the position indicating refill 40 is detachably fixed to the rod member 24 by the connecting portion 50, for example, when a built-in electronic device breaks down, it can be easily replaced with a new one.

<Ball pen refill 60>
3A is a front view of the ballpoint pen refill 60, and FIG. 3B is a cross-sectional view taken along the line C-C of the front view.

  The ballpoint pen refill 60 is made of an ink containing tube 61 that contains ink, a joint 62 that is attached to the tip of the ink containing tube 61, a metal such as stainless steel or white, or a synthetic resin that is attached to the tip of the joint 62. The formed ball-point pen tip 63 and a magnetic adjustment member 64 mounted around the ball-point pen tip 63 are provided. Details of the magnetic adjustment member 64 will be described later.

  Here, in the ballpoint pen refill 60, the connection protrusion 20A of the knock bar 20 is press-fitted into the rear end of the ink storage pipe 61, and the ink storage pipe 61 and the knock bar 20 are connected (FIG. 1C). And FIG. 2 (C)). Thereby, the ball-point pen refill 60 and the knock bar 20 are fixed, and the ball-point refill 60 is accommodated inside the shaft tube 10.

  A knock spring 28 that urges the knock bar 20 toward the rear end side is mounted around the rear end side of the ink containing tube 61 (see FIGS. 1C and 2C). The front end of the knock spring 28 is supported by the rear end edge of the refill support cylinder 30 and the rear end thereof is supported by the spring support end 20B of the knock bar 20, thereby urging the knock bar 20 toward the rear end. ing.

<Magnetic adjustment member 64>
The magnetic adjustment member 64 has a magnetic permeability different from that of the ballpoint pen tip 63, and adjusts the transmission amount of electromagnetic energy reflected by the position indicating refill 40 to a position detector (not shown). Specifically, if a material with high magnetic permeability is used for the magnetic adjustment member 64, the amount of transmission increases, and if a material with low magnetic permeability is used, the amount of transmission decreases. In the present embodiment, the amount of transmission is increased by using cylindrical ferrite as the magnetic adjustment member 64. That is, in this embodiment, cylindrical ferrite is attached around the ball-point pen chip 63. The magnetic adjustment member 64 is not limited to a cylindrical ferrite as long as it forms a magnetic path that transmits electromagnetic energy reflected by the position indicating refill 40 to a position detector (not shown). Alternatively, a robust metal may be used. However, when a highly conductive material such as metal is used for the magnetic adjustment member 64, it is desirable to devise, for example, a coil shape in which a conducting wire is wound in order to suppress the eddy current generated. In addition, a ferrite means the oxide magnetic body containing iron.

  In the present embodiment, in each ballpoint pen refill 60, a magnetic adjustment member 64 having a different magnetic permeability is attached to each ballpoint pen tip 63. For example, in the present embodiment, the transmission amount of electromagnetic energy reflected by the position indicating refill 40 is varied by varying the material, length, and thickness of the magnetic adjustment member 64 mounted on each ballpoint pen tip 63. Yes. Thereby, when each ball-point pen refill 60 is used as a core of an electronic pen, in the electromagnetic induction type input device 100 (see FIG. 4), each ball-point pen refill 60 is changed based on the amount of electromagnetic energy returned from the input pen 5. Can be recognized. Therefore, according to the present embodiment, for example, the black ink electronic information is input to the input device 100 within a predetermined electromagnetic energy amount range, and the red ink electronic information is outside the predetermined electromagnetic energy amount range. Can be input to the input device 100. When the magnetic adjustment member 64 is a coil, the amount of electromagnetic energy transmitted by the position indicating refill 40 can be varied by varying the number of turns of the coil.

(3) Operation Next, the operation of the present embodiment, specifically, on a position detector (not shown) provided in the electromagnetic induction type input device 100 (example: electromagnetic induction tablet) shown in FIG. A flow when writing with the ballpoint pen refill 60 in a state where the paper 102 is placed will be described. A position detector (not shown) generates an electromagnetic wave having a specific frequency.

First, in order to perform writing with the ballpoint pen refill 60, it is necessary to change from the immersive state to the protruding state.
In the immersed state, the knock spring 28 urges the knock bar 20 toward the rear end side, and the ballpoint pen tip 63 is immersed in the shaft tube 10. When the knock operation of the knock bar 20 is performed by the user in the immersion state, the ballpoint pen refill 60 is pressed toward the distal end side by the knock bar 20. By this knocking operation, the knock spring 28 is compressed between the rear end edge of the refill support cylinder 30 and the spring support end 20B of the knock bar 20, and the ballpoint pen refill 60 moves to the front end side and changes to the protruding state.

  Here, the position detector (not shown) included in the input device 100 detects, as coordinate information, the position where the electromagnetic induction of the input pen 5 has occurred based on the electromagnetic energy reflected by the position indicating refill 40. ing. In the input device 100, the position where the electromagnetic induction detected by a position detector (not shown) is input as coordinate information, so that the drawn line L drawn by the ballpoint pen refill 60 and the color of the drawn line L are displayed. Etc. are recorded as electronic information.

  In the present embodiment, in the protruding state, the ball-point pen tip 63 and the magnetic adjustment member 64 are written by writing on the paper 102 placed on the position detector (not shown) included in the input device 100 by the ball-point pen refill 60. The electromagnetic energy reflected by the position indicating refill 40 is transmitted to the input device 100. That is, in this protruding state, the position indicating refill 40, the ballpoint pen tip 63, and the magnetic adjustment member 64 form a magnetic path for transmitting electromagnetic energy to a position detector (not shown). As a result, since the input device 100 can determine that the writing state is possible with the input pen 5, the ballpoint pen refill 60 becomes the core of the electronic pen that inputs information to the input device 100. At this time, the position indicating refill 40 does not protrude from the tip opening 13.

  Therefore, when writing is performed with the ballpoint pen refill 60 with the paper 102 placed on a position detector (not shown) included in the input device 100 in the protruding state, handwriting remains on the paper 102 and the input device 100. The handwriting is recorded as electronic information. The electronic information recorded in the input device 100 can be transmitted to a specific communication device (for example, a smartphone).

Here, as described above, the electronic information in the present embodiment includes, for example, the drawn line L corresponding to the handwriting and the color of the drawn line L.
As described above, in the present embodiment, the transmission amount of electromagnetic energy reflected by the position indicating refill 40 is varied by varying the magnetic permeability for each magnetic adjustment member 64 mounted on each ballpoint pen tip 63. ing. Therefore, in the present embodiment, the amount of electromagnetic energy at the time of writing with one ball-point pen refill 60 is different from the amount of electromagnetic energy at the time of writing with the other ball-point pen refill 60. The input device 100 recognizes the color of the drawn line L as “black” within the range of the predetermined electromagnetic energy amount, and recognizes the color of the drawn line L as “red” outside the range of the predetermined electromagnetic energy amount. It is set in advance. As a result, the input device 100 recognizes the color of the drawn line L as “black” when writing one ballpoint pen refill 60 (containing black ink) or writing the other ballpoint pen refill 60 (containing red ink). Sometimes the color of the drawn line L can be recognized as “red”.

(4) Effect As described above, in the present embodiment, in the protruding state, the position indicating refill 40, the ballpoint pen tip 63, and the magnetic adjustment member 64 transmit magnetic energy to a position detector (not shown). Forming a road. As a result, in the present embodiment, information drawn by the ballpoint pen refill 60 on the paper 102 placed on the position detector (not shown) (eg, the drawn line L, the color of the drawn line L) is left as electronic information. it can.

  In the present embodiment, a plurality (two) of ballpoint pen refills 60 are accommodated in the shaft tube 10. Therefore, according to the present embodiment, the ball-point pen tips 63 that are projected from the tip opening 13 in the projected state are changed, and writing is performed on the paper 102 placed on the position detector (not shown) with each ball-point pen tip 63. Thus, the color of various drawn lines L can be left as electronic information with one input pen 5.

  Further, in the present embodiment, the ball-point pen tip 63 has a magnetic permeability different from that of the ball-point pen tip 63, and a magnetic adjustment member 64 that adjusts the transmission amount of electromagnetic energy reflected by the position indicating refill 40 is attached. . Therefore, according to the present embodiment, electromagnetic energy can be transmitted farther than when the magnetic adjustment member 64 is not attached to the ballpoint pen tip 63, so that the ballpoint pen tip 63 and the position indication within the shaft tube 10 can be transmitted. The distance from the refill 40 can be increased.

  In the present embodiment, the contact tip 45 is fixed at a position about 7 mm away from the tip opening 13 as a position away from the tip opening 13 within the shaft tube 10. Thus, according to the present embodiment, the electromagnetic energy reflected by the position indicating refill 40 is transmitted to the input device 100 through the magnetic path formed by the position indicating refill 40, the ballpoint pen tip 63, and the magnetic adjustment member 64. The position indicating refill 40 can be disposed at a position that does not hinder the appearance of the plurality of ballpoint pen refills 60.

(5) Others In the present embodiment, the magnetic adjustment member 64 that changes the transmission amount of electromagnetic energy reflected by the position indicating refill 40 is mounted around the ballpoint pen tip 63, but the magnetic adjustment member 64 is attached to the ballpoint pen refill 60. It is good also as a structure which does not mount | wear. In this case, an electronic device for inputting information to the input device 100 by inputting the ballpoint refill 60 to the input device 100 by placing the position indicating refill 40 and the ballpoint pen refill 60 close to a distance at which the input device 100 can be determined to be in a writing state. It can be a pen core. That is, in the protruding state in this case, the electromagnetic energy reflected by the position indication refill 40 is transmitted to the input device 100 through a magnetic path formed only by the position indication refill 40 and the ballpoint pen tip 63.

  In the present embodiment, two types of states are provided: an immersion state in which all of the plurality of refills are immersed in the shaft tube 10 and a protruding state in which one ballpoint pen refill 60 protrudes from the shaft tube 10. However, in addition to this, an “intermediate state” between the immersive state and the protruding state may be provided. Specifically, the “intermediate state” is a state in which the ballpoint pen tip 63 is immersed in the shaft tube 10 but the ballpoint pen refill 60 is at a position where the input device 100 can determine that the writing state is in writing. . By providing this “intermediate state”, it is possible to prevent the input device 100 from being damaged or soiled with ink when the input device 100 is directly operated to input information by the input pen 5.

  In the present embodiment, the position indicating refill 40 is the input pen 5 that does not protrude from the tip opening 13 of the barrel 10, but the position pointing refill 40 may be an input pen 5 that can protrude from the tip opening 13. Thereby, it is also possible to input information by directly operating the input device 100 with the refill 40 for position indication.

  In the present embodiment, the color of the drawn line L input to the input device 100 is “black” or “red”, but the present invention is not limited to this, and other colors may be input. In the present embodiment, the color of the drawn line L input to the input device 100 is associated with the color of the ink of the ballpoint pen refill 60. However, the present invention is not limited to this, and the color is different from the color of the drawn line L. Information may be input to the input device 100.

  In the present embodiment, the color of the drawn line L input to the input device 100 is changed by changing the magnetic permeability of the magnetic adjustment member 64 mounted around each ball-point pen chip 63. Other functions may be assigned. For example, by changing the magnetic permeability of the magnetic adjustment member 64 mounted around each ball-point pen chip 63, the pen type, the thickness of the drawn line L, or the difference in the drawn line type may be assigned to each ball pen refill 60. Further, the function of the eraser may be assigned to one ball-point pen refill 60 by changing the magnetic permeability of the magnetic adjustment member 64 mounted around each ball-point pen tip 63.

DESCRIPTION OF SYMBOLS 5 Input pen 10 Shaft cylinder 11 Exposure hole 12 Front shaft 13 Front end opening 14 Rear shaft 15 Rear end opening 16 Guide hole 17 Support hole 18 Support protrusion 19 Cap member 20 Knock bar 20A Connection protrusion 20B Spring support end 22 Knock protrusion 24 Bar Member 24A Connection protrusion 24B Spring support end 26 Clip 27 Knock spring 28 Knock spring 30 Refill support cylinder 32 Guide cylinder 40 Refill for position indication 41 Storage cylinder 42 Core holder 43 Ferrite core 44 Tip joint 45 Contact tip 46 Electromagnetic induction coil 47 Pressure sensitive Sensor 48 Capacitor 49 Rear end joint 50 Connection 51 Return spring 60 Ball pen refill 61 Ink storage pipe 62 Joint 63 Ball pen tip 64 Magnetic adjustment member 100 Input device 102 Paper

Claims (3)

A shaft cylinder having a tip opening which is an opening of the tip;
A plurality of ballpoint pen refills having a metal ballpoint pen tip that is housed in the shaft tube and can be projected and retracted from the tip opening;
Refill for position indication accommodated in the shaft cylinder and corresponding to the electromagnetic induction method;
With
An input pen in which a magnetic path for transmitting electromagnetic energy to an electromagnetic induction type position detector is formed when the ball-point pen tip protrudes from the tip opening. The ballpoint pen tip is equipped with a magnetic adjustment member having a magnetic permeability different from that of the ballpoint pen tip,
2. The input pen according to claim 1, wherein in the protruding state, the position indication refill, the ball-point pen tip, and the magnetic adjustment member form a magnetic path for transmitting electromagnetic energy to the position detector.   The input pen according to claim 1, wherein a contact tip which is a tip of the position indicating refill is fixed at a position away from the tip opening in the shaft tube by a predetermined amount.