WO2022239585A1 - 電子ペンおよび電子ペン用の芯体 - Google Patents

電子ペンおよび電子ペン用の芯体 Download PDF

Info

Publication number
WO2022239585A1
WO2022239585A1 PCT/JP2022/017481 JP2022017481W WO2022239585A1 WO 2022239585 A1 WO2022239585 A1 WO 2022239585A1 JP 2022017481 W JP2022017481 W JP 2022017481W WO 2022239585 A1 WO2022239585 A1 WO 2022239585A1
Authority
WO
WIPO (PCT)
Prior art keywords
core rod
electronic pen
core
insertion hole
tip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2022/017481
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
航平 田中
剛典 金田
英之 原
登 山口
徹 恒川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wacom Co Ltd
Original Assignee
Wacom Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wacom Co Ltd filed Critical Wacom Co Ltd
Priority to KR1020237033775A priority Critical patent/KR20240006503A/ko
Priority to CN202280019750.6A priority patent/CN117043724A/zh
Priority to EP22807289.8A priority patent/EP4339747A4/en
Priority to JP2023520927A priority patent/JP7796732B2/ja
Publication of WO2022239585A1 publication Critical patent/WO2022239585A1/ja
Priority to US18/492,604 priority patent/US12229352B2/en
Anticipated expiration legal-status Critical
Priority to US19/023,110 priority patent/US12699467B2/en
Priority to JP2025277563A priority patent/JP2026040593A/ja
Ceased legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of two-dimensional [2D] relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545—Pens or stylus
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of two-dimensional [2D] relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
    • G06F3/0383—Signal control means within the pointing device
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0441—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for receiving changes in electrical potential transmitted by the digitiser, e.g. tablet driving signals
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0442—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using active external devices, e.g. active pens, for transmitting changes in electrical potential to be received by the digitiser

Definitions

  • the present invention relates to an electronic pen used as a position indicator for a position detecting device mounted on an information processing device such as a tablet PC (Personal Computer), and an electronic pen core used in the electronic pen.
  • an information processing device such as a tablet PC (Personal Computer)
  • an electronic pen core used in the electronic pen.
  • a position detection device and a position indicator are used as one of the input devices for various electronic devices such as high-performance telephone terminals called smartphones and tablet PCs (Personal Computers).
  • a position indicator is generally formed in a pen shape and is called an electronic pen or a stylus.
  • position detectors and position indicators There are various types of position detectors and position indicators. Among them, in the case of the active electrostatic capacitance method (AES (Active Electrostatic) method), the signal from the oscillator circuit installed in the electronic pen is transmitted (radiated) from the pen tip toward the position detection sensor of the position detection device. to indicate the position on the position detection sensor.
  • AES Active Electrostatic
  • the position detection sensor used in the position detection device of the active capacitive method is placed on the display screen of a display device such as LCD (Liquid Crystal Display) in the X-axis direction (horizontal direction) and Y-axis direction (vertical direction) of the display screen. It is configured by arranging linear transparent electrodes in both directions.
  • the position detection device detects the position indicated by the electronic pen according to the position of the linear transparent electrode of the position detection sensor that receives the signal (electric field) emitted from the electronic pen.
  • a signal from the signal generation circuit mounted in the electronic pen is sent from the pen tip. It was a cylindrical rod-shaped body, and was entirely made of a conductive material.
  • the reception signal detected by the position detection device will undulate, and the linearity of the detected pointing position will deteriorate. was there. This is because the signal (electric field) from the signal generation circuit is radiated not only from the tip (tip) of the core of the electronic pen, but also from the shaft portion of the core.
  • the tip of the core is formed into a spherical shape. Therefore, it was considered to make the shaft part as thin as possible.
  • a core rod made of a conductive material is tapered from the pen tip side to the rear end side, and the periphery thereof is covered with a protective member. , to constitute the core body.
  • the feel of writing can be changed by changing the material of the core rod formed of a conductive material to a softer material.
  • the core rod made of the conductive material is wrapped in resin for reinforcement.
  • the core rod becomes thinner toward the rear end side of the core rod. Therefore, it is necessary to cover the rear end side of the core rod made of a conductive material with a protective member so as to maintain sufficient strength.
  • the core of the electronic pen is the portion that comes into direct contact with the operation surface, and is thin and short when viewed from the perspective of the electronic pen as a whole. It should be easy to do.
  • the present invention provides a core body for an electronic pen that has good detection characteristics of pointing position and tilt, maintains sufficient strength, has a simple configuration, and is easy to manufacture.
  • the purpose is to realize a pen.
  • a cylindrical housing having an opening at one end in the axial direction; a core body attached to the interior of the housing such that a tip in the axial direction protrudes from the opening of the housing; a signal generating circuit for generating a signal to be sent out from the core,
  • the core body is a conductive core rod that receives a signal from the signal generating circuit; It is composed of a protective member that covers the core rod,
  • the core rod comprises a pen tip portion on the front end side, a mounting portion on the rear end side, and a shaft portion connecting the pen tip portion and the mounting portion,
  • an electronic pen comprising: an intermediate portion provided around the side surface of the shaft portion of the core rod so as to be separated from the protective member and having a dielectric constant different from that of the protective member.
  • this electronic pen comprises a housing, a core body, and a signal generating circuit, and the core body is attached inside the housing so that the tip in the axial direction protrudes from the opening of the housing, A signal generating circuit generates a signal to be sent from the core.
  • the core body is configured by providing an intermediate portion around the shaft portion of the core rod and providing a protective member around the intermediate portion. Since the intermediate portion and the protective member have different dielectric constants, a double capacitor is provided around the shaft of the core rod, and the signal (electric field) radiated from the shaft of the core rod becomes is suppressed, and an electronic pen with excellent pointing position and linearity characteristics is realized.
  • the electronic pen of the embodiment described below is of an active capacitance type that transmits a signal from the electronic pen side and detects the indicated position according to the position on the position detection sensor that receives the signal.
  • FIG. 1 is a diagram for explaining a configuration example of the electronic pen 1 of this embodiment.
  • a part of a case (housing) 2 of the electronic pen 1 is cut to show the inside thereof. It is a thing.
  • FIG. 2 is a diagram for explaining a main part of the electronic pen 1.
  • FIG. 2A is an enlarged cross-sectional view of a main part on the pen tip side of the electronic pen 1, which is not shown in FIG.
  • FIG. 2B is a diagram schematically showing a portion of the electronic pen 1 that implements the pen pressure detection and signal transmission functions.
  • the electronic pen 1 is elongated in the axial direction (direction along the axial center), and one side of the axial direction is the pen tip side and has an opening, It has a cylindrical case (housing) 2 closed at the other end in the axial direction.
  • the case 2 is made of a conductive material, in this example, alumite-processed aluminum. 23.
  • the case 2 is formed by fitting the front cap 22 and the rear cap 23 to the case body 21 .
  • the front cap 22 has a tubular structure having a through hole 22a in the axial direction, and the external shape of the pen tip side portion of the electronic pen 1 is similar to that of the pen tip. It has a tapered shape in which the outer diameter becomes smaller as it approaches to .
  • the pen tip side end of the front cap 22 forms an opening H of the through hole 22a.
  • a substrate holder 3 for holding mounted parts such as a printed circuit board 8 and a battery 5 are accommodated, and as shown in FIG.
  • a body holder (core body holding portion) 6 and a pressure sensing component (writing pressure detection portion) 7 are accommodated.
  • the core 4 is inserted into the through hole 22a through the opening H of the front cap 22 and attached to the core holder 6 inside the case 2. Also, the core 4 can be removed from the core holder 6 . That is, the core 4 can be attached to and detached from the case 2 .
  • the core body 4 which will be described later in detail, comprises a core rod 41 made of a conductive material and a protective member 42 made of a non-conductive material. It has a structure in which a space (air layer) 43 is provided between them.
  • the substrate holder 3 is made of an insulating resin such as a liquid crystal polymer, and when housed in the hollow portion of the case 2, as shown in FIG. It has a configuration in which the pressure component holding portion 3a and the printed circuit board mounting base portion 3b are continuous.
  • the pressure-sensing component holding portion 3a has a cylindrical shape with a hollow portion for accommodating the pressure-sensing components 7 (a plurality of components for detecting writing pressure). It has a small outer diameter.
  • the printed circuit board mounting base portion 3b is shaped like a boat on which the printed circuit board 8 is placed and held. .
  • the substrate holder 3 is arranged so that the pressure-sensing component holding portion 3a faces the core rod 41 side, and the entirety of the pressure-sensing component holding portion 3a and the printed circuit board mounting base portion 3b are housed in the case 2 so as not to move. Fixed. Further, as shown in FIG. 2A, a core holder 6 for holding the core 4 is coupled to the pressure-sensitive component holding portion 3a of the substrate holder 3, and the voltage is applied mainly to the core rod 41 of the core 4. The applied pressure (writing pressure) is transmitted to the pressure-sensing component 7 in the pressure-sensing component holding portion 3a.
  • a terminal conductor 51 is provided at the end of the printed circuit board mounting base portion 3b of the circuit board holder 3 on the side opposite to the pressure-sensitive component holding portion 3a.
  • the terminal conductor 51 is electrically connected to the positive side terminal 5a of the battery 5 and electrically connected to the copper foil pattern of the power supply line of the printed circuit board 8.
  • a coil spring terminal 52 made of a conductive metal and electrically connected to the negative terminal 5b of the battery 5 is provided at the fitting portion of the rear cap 23 with the case body 21 .
  • the battery 5 is inserted into the case 2 so that the positive terminal 5a is connected to the terminal conductor 51, as shown in FIG. After that, the rear cap 23 is fitted to the case body 21 so that the coil spring terminal 52 presses the negative terminal 5 b of the battery 5 .
  • the case body 21 made of a conductive material is electrically connected to the ground conductor of the printed circuit board 8 . Since the rear cap 23 and the case main body 21 are made of a conductive material, the negative terminal 5b of the battery 5 is electrically connected to the ground conductor of the printed circuit board 8 via the rear cap 23 and the case main body 21. be done. On the other hand, the plus side terminal 5a of the battery 5 is connected to the copper foil pattern of the power supply line of the printed circuit board 8 through the terminal conductor 51. As shown in FIG. Thereby, the voltage of the battery 5 is supplied as the power supply voltage of the circuit formed on the printed circuit board 8 .
  • a circuit section consisting of a signal generation circuit 8S, an IC (Integrate Circuit) 10, and their peripheral circuit components is provided on the printed circuit board 8.
  • a signal generating circuit 8S generates a signal to be sent from the core rod 41 of the electronic pen 1.
  • FIG. The IC 10 constitutes a control circuit that controls transmission of the signal from the signal generating circuit 8S to the core rod 41.
  • the peripheral circuit section includes push switches (side switches) 11 and 12, which are operated via operation sections 11a and 12a.
  • the printed circuit board 8 is connected with a conductor terminal member 14 for connecting the core rod 41 and the signal generating circuit 8S and a conductor terminal member 15 for transmitting the writing pressure detection output from the pressure sensing component 7 .
  • the core 4 is connected and held to the core holder 6 by being fitted to the core holder 6 made of a conductive material via the conductive elastic member 9. be done.
  • the pressure (writing pressure) applied to the core 4 is applied to the pressure-sensing component. 7.
  • the core holder 6 is provided between the core holder 6 and the substrate holder 3 by a coil spring 13, which is an example of an elastic member made of a conductive material such as a conductive metal. is always biased toward the core rod 41 side.
  • the coil spring 13, together with the conductor terminal member 14, is an electrical connection member for transmitting to the core rod 41 a signal from the signal generation circuit 8S whose transmission is controlled by the IC 10 arranged on the printed circuit board 8. constitutes
  • a metal plate 13a is provided at the end of the pen point side of the pressure-sensitive component holding portion 3a of the substrate holder 3 to electrically connect the coil spring 13 and the conductor terminal member 14 together.
  • the signal from the signal generation circuit 8S follows the conductor terminal member 14 ⁇ the metal plate 13a ⁇ the coil spring 13 ⁇ the core holder 6 ⁇ the core rod 41 in this order. 41.
  • the conductor terminal member 14, the coil spring 13, the metal plate 13a, the core holder 6, and the core rod 41 constitute an electrical connection member, and provide a transmission path for the position indication signal from the signal generation circuit 8S of the printed circuit board 8. forming.
  • the pressure-sensitive component (writing pressure detection unit) 7 of this embodiment uses a variable capacitor whose capacitance changes according to the writing pressure applied to the core rod 41 .
  • the pressure sensing component 7 is composed of a plurality of components including a dielectric 71, a terminal member 72, a holding member 73, a conductive member 74, and an elastic member 75.
  • the terminal member 72 is made of a conductive material, and constitutes the first electrode of the variable capacitor composed of the pressure sensing component 7 .
  • the conductive member 74 is made of conductive rubber, for example, and the elastic member 75 is made of a coil spring made of a conductive material.
  • the conductive member 74 and the elastic member 75 are electrically connected to form a second electrode of the variable capacitor.
  • the electrostatic capacity of the variable capacitor formed between the terminal member 72 forming the first electrode and the conductive member 74 forming the second electrode varies depending on the pressure applied to the core rod 41 . Varies accordingly.
  • a change in the capacitance of the variable capacitor is supplied from the pressure sensing component 7 to the IC 10 provided on the printed circuit board 8 through the conductor terminal member 15, and the IC 10 detects the writing pressure.
  • the core 4 is attached to the core holder 6 inside the case 2 so that it can move in the axial direction. ing.
  • the core 4 is pushed toward the inside of the case 2 according to the writing pressure applied to the core rod 41 by the user, and accordingly, the core rod 41 and the core body holder 6 are connected to the pressure sensing component 7 . is pressed to detect pen pressure.
  • the core holder 6 and the core 4 are configured to return to the initial state shown in FIG. It's becoming
  • the IC 10 of the electronic pen 1 controls the position detection sensor to send a burst signal (position indication signal) for coordinate detection (position detection) according to the signal from the signal generation circuit 8S.
  • a burst signal position indication signal
  • position detection position detection
  • the pointing position of the electronic pen 1 on the position detection sensor can be detected on the position detection sensor side.
  • the pressure sensing component 7 detects the writing pressure based on the capacitance.
  • the IC 10 transmits from the core rod 41 an encoded signal obtained by modulating the signal from the signal generation circuit 8S in accordance with the detected pen pressure, and notifies the position detection sensor of the pen pressure. .
  • the position detection sensor can also detect the writing pressure applied to the core 4 of the electronic pen 1 .
  • the electronic pen 1 of this embodiment indicates the position on the position detection sensor to the position detection sensor, detects the writing pressure applied to the core rod 41, and detects the position detection sensor. Realize the function to notify Furthermore, the electronic pen 1 of this embodiment is characterized by the structure of the core 4, which maintains good linear characteristics for position detection and allows the position detection sensor to appropriately detect the pointed position. Further, the core 4 used in the electronic pen 1 of this embodiment has sufficient strength as a core, has a simple structure, and can be easily manufactured.
  • FIG. 3 is a diagram for explaining a configuration example of the core 4 of the electronic pen 1.
  • FIG. 3A is an external view of the protective member 42 of the core 4
  • FIG. 3B is an external view of the core rod 41 of the core 4.
  • FIG. The core body 4 of this embodiment includes a core rod 41 (FIG. 3(B)) and a protection member 42 (FIG. 3(A)) as shown in FIG. ) and two members.
  • the core rod 41 is a rod-shaped body having conductivity, and has a cylindrical shape with portions of different thicknesses except for the tip portion.
  • the core rod 41 is made of, for example, a metal material.
  • the core rod 41 is made of stainless steel (SUS (Steel Special Use Stainless)) or brass.
  • SUS Step SUS (Steel Special Use Stainless)
  • the core rod 41 is composed of three parts: a pen tip portion 41a, a shaft portion 41b, and a mounting portion 41c.
  • the pen tip portion 41a is a portion formed in an oval shape (prolate spherical shape) at the tip portion of the core rod 41, and has a shape capable of efficiently emitting a position indication signal toward the position detection sensor. .
  • the shaft portion 41b is a portion that connects the pen tip portion 41a and the mounting portion 41c, and as shown in FIG. consists of
  • the rear shaft portion 41b3 constitutes a fitting portion with a protective member 42, which will be described later in detail. Therefore, the rear shaft portion 41b3 is hereinafter referred to as the fitting portion 41b3.
  • the widest portion of the pen tip portion 41a (hereinafter referred to as the wide portion) has a diameter of L1, and the shaft portion 41b is fitted.
  • the joint portion 41b3 has a diameter L2.
  • the diameter L1 of the wide portion of the pen tip portion 41a is shorter than the diameter L2 of the fitting portion 41b3 (L1 ⁇ L2).
  • the side surface of the fitting portion 41b3 is knurled at the portion indicated by the symbol RT in FIG. 3(B).
  • Knurling also known as knurling, is the process of creating fine unevenness on metal. Since knurling has an anti-slip effect, when the core rod 41 is attached to the protection member 42, the core rod 41 can be prevented from easily coming off from the protection member 42, as will be described later.
  • the diameter of the front shaft portion 41b1 gradually increases from the pen tip side toward the rear end side.
  • the diameter of the intermediate shaft portion 41b2 gradually increases from the nib side to the rear end side.
  • the change in diameter is large at the connecting portion between the front shaft portion 41b1 and the intermediate shaft portion 41b2.
  • the diameter of any portion of the front shaft portion 41b1 is shorter than the diameter L1 of the pen tip portion 41a.
  • the diameter of any portion of the intermediate shaft portion 41b2 is shorter than the diameter L2 of the fitting portion 41b3.
  • the diameter of the front shaft portion 41b1 is Lb1 and the diameter of the intermediate shaft portion 41b2 is Lb2, the diameter of the shaft portion 41b gradually decreases from the front end side to the rear end side so that Lb1 ⁇ Lb2 ⁇ L2. It has a long structure.
  • the mounting portion 41c is mounted on the core holder 6 provided inside the electronic pen 1 via the conductive elastic member 9. part. That is, by pushing the mounting portion 41c of the core rod 41 into the cup portion of the core holder 6 to which the conductive elastic member 9 is attached, it can be attached to the electronic pen 1, and by pulling it out, the core 4 can be attached. can be removed from the electronic pen 1. That is, the core body 4 composed of the core rod 41 and a protective member 42 to be described later can be attached to and detached from the electronic pen 1 via the mounting portion 41c of the core body 4 .
  • the protective member 42 which is another component of the core body 4, covers the side surfaces of the nib portion 41a and the shaft portion 41b of the core rod 41 and protects the core rod. 41 and realizes a good writing feeling.
  • the protective member 42 is made of various resin materials such as polyamide, polycarbonate, modified polyphenylene ether, polybutylene terephthalate, and polyacetal.
  • the protective member 42 is formed using polyacetal. Polyacetal is also called POM (polyoxymethylene).
  • the protective member 42 is composed of a tapered distal end portion 42a that tapers toward the distal end, and an extension portion 42b that extends from the rear end surface of the distal end portion 42a toward the rear end side.
  • An insertion hole 42c into which the core rod 41 is inserted and mounted is provided inside the protection member 42 in the longitudinal direction, with the rear end face of the extending portion 42b opening.
  • the longitudinal center of the insertion hole 42 c coincides with the longitudinal center (axial center) of the protective member 42 .
  • the longitudinal length (total length) LY of the insertion hole 42c of the protective member 42 is, as shown in FIGS. It matches the length LY from the rear end face of the fitting portion 41b3 to a position slightly forward.
  • the inner diameter of the insertion hole 42c at the position corresponding to the wide portion of the pen tip portion 41a of the core rod 41 is the same as or slightly shorter than L1, and corresponds to the fitting portion 41b3 of the core rod 41 of the insertion hole 42c.
  • the inner diameter at the position where it is located is the same as L2 or slightly shorter than L2.
  • the insertion hole 42c does not have unevenness on its inner wall surface, and has a shape that tapers from the opening on the rear end side toward the tip, so that the core rod 41 can be easily inserted.
  • the insertion hole 42c of the protection member 42 tapers from the diameter L2 portion on the rear end side to the diameter L1 portion on the tip side.
  • the core rod 41 has a diameter L2 at the fitting portion 41b3 and a diameter L1 at the wide portion of the nib portion 41a. It has a tapered shape toward the pen tip portion 41a. Furthermore, the diameter of any portion of the front shaft portion 41b1 is smaller than the diameter L1 of the wide portion of the nib portion 41a, and the diameter of any portion of the intermediate shaft portion 41b2 is smaller than the diameter L2 of the fitting portion 41b3.
  • the core rod 41 is inserted into the insertion hole 42c of the protective member 42 and pushed in to mount it at a fixed position.
  • a space (air layer) 43 as an intermediate portion. That is, a space (air layer) 43 is provided around the front shaft portion 41b1 and the intermediate shaft portion 41b2, and a protective member 42 is provided outside the space 43.
  • Both the space (air layer) 43 and the protective member 42 made of polyacetal can be considered to be dielectrics that are superior in dielectricity to conductivity, and their dielectric constants are also different.
  • the space (air layer) 43 and the protective member 42 doubly surround the front shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41.
  • the structure is provided with two capacitors.
  • the air layer and polyacetal have different dielectric constants, two capacitors using dielectrics with different dielectric constants are provided.
  • the inner wall surface of the protective member 42 and the inner wall of the core rod 41 extend from the wide portion of the nib portion 41a of the core rod 41 to the tip side. Since the side surface of the pen tip portion is in close contact, no space is generated, and only the tip portion 42a of the protective member 42 exists. In other words, it can be said that the structure is such that one capacitor having polyacetal (protective member 42) as a dielectric is provided in the tip side portion from the wide portion of the nib portion 41a of the core rod 41.
  • the signal (electric field) radiated from the tip side portion of the pen tip portion 41 a of the core rod 41 is relatively efficiently radiated only through the protective member 42 . Therefore, the signal (electric field) radiated through the portion closer to the tip than the wide portion of the pen point 41a of the core rod 41 is increased.
  • the signal (electric field) radiated from the front shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 is suppressed by the double capacitors of the space 43 and the protective member . Therefore, the signal (electric field) radiated through the front side shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 is reduced.
  • the signal (electric field) emitted from the pen tip portion 41a is stronger than the signal (electric field) emitted from the pen tip portion 41a. (electric field) can be made smaller.
  • the signal (electric field) radiated through the tip side portion of the pen tip portion 41a of the core rod 41 is increased, and the signal (electric field) radiated from the front side shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 is increased. ) can be made smaller.
  • the signal (electric field) leaking from the front shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 can be suppressed.
  • the core body is formed by injection molding (injection molding). form a core.
  • the core 4 of this embodiment can be formed by separately forming the core rod 41 and the protection member 42 and inserting the core rod 41 into the insertion hole 42c of the protection member 42 by press-fitting. 4 itself can also be manufactured easily.
  • the core rod 41 and the protective member 42 may be formed by methods suitable for each.
  • the core body 4 of this embodiment has a structure in which the pen tip portion 41a and the shaft portion 41b of the core rod 41 are covered with the protective member 42, as described with reference to FIGS.
  • the thickness of the extended portion 42b of the protection member 42 can be increased in the shaft portion 41b portion, the diameter of the portion of the core 4 that protrudes from the opening H of the front cap 22 can be increased. Therefore, as shown in FIGS. 1 and 2A, the strength of the extended portion 42b of the core 4 and the shaft portion 41b of the core rod 41 can be increased.
  • the distance between the side surface of the extended portion 42b of the protective member 42 and the inner wall surface of the front cap 22 is very small. Therefore, it is possible to prevent the core body 4 from rattling during writing, and to protect the core body 4 even if a force is applied to the tip portion 42a of the core body 4 in a direction crossing the axial direction. .
  • the core 4 is slidable in the axial direction so that writing pressure can be detected appropriately.
  • the rear end surface 42T of the front end portion 42a of the protective member 42 and the front end surface 22T of the front cap 22 face each other with a slight gap therebetween. Therefore, even if a large force is applied to the tip portion 42a in the axial direction of the electronic pen 1 by suddenly applying a large writing pressure or dropping the electronic pen 1 from the desk to the floor, the tip portion 42a will not move.
  • the rear end surface 42T and the front end surface 22T of the front cap 22 abut against each other. As a result, the core 4 will not be pushed into the case 2 of the electronic pen 1 more than necessary, and the inconvenience of damaging the pressure sensing component 7 can be prevented.
  • a space (air layer) 43 is provided as an intermediate portion around the shaft portion 41b of the core rod 41, and an extension portion 42b of the protective member 42 is provided around the space 43. be provided. Since the space 43 and the protective member 42 have different dielectric constants, a double capacitor is provided around the shaft portion 41b of the core rod 41, and the signal ( electric field) can be suppressed. As a result, an unnecessary electric field from the shaft is suppressed, so that a core body for an electronic pen can be realized that has good pointing position and linearity characteristics when the electronic pen is tilted.
  • the structure of the core body 4 itself is simple, it is possible to realize a core body for an electronic pen that is easy to manufacture. Therefore, by using the core body 4 of the above-described embodiment, an electronic pen with good detection characteristics of pointing position and inclination can be realized.
  • FIG. 4 is a diagram for explaining another configuration example of the core rod 41 of the core body 4.
  • the shaft portion 41bA connecting the pen tip portion 41aA and the mounting portion 41cA may be composed of the front side shaft portion b1A and the fitting portion b3A. That is, unlike the shaft portion 41b shown in FIGS. 2 and 3, the shaft portion 41bA is not divided into the front side shaft portion 41b1 and the intermediate shaft portion 41b2, but has a single straight structure. In this way, the shaft portion of the core rod can have a single-stage structure excluding the mounting portion 41cA as shown in FIG. Except for the portion 41c, a two-stage configuration or a multi-stage configuration having more than two stages is also possible.
  • the core rod 41B of FIG. 4B is composed of a pen tip portion 41aB, a shaft portion 41bB, and a mounting portion 41cB
  • the shaft portion 41bB is composed of a front side shaft portion b1B and a fitting portion b3B.
  • the shaft portion 41bB and the mounting portion 41cB are constructed in substantially the same manner as the core rod 41A shown in FIG. 4A, but the pen tip portion 41aA has a spherical shape.
  • the shape of the nib portion 41a of the core rod 41 is not limited to an oval shape, but in consideration of the state of signal (electric field) radiation, a spherical shape, a cannonball shape with a dome-shaped tip, and a dome-shaped tip.
  • the pen tip portion 41aC, the shaft portion 41bC, and the mounting portion 41cC are integrally formed of a metal material, but the fitting portion 44 is formed as a separate part. good too.
  • the fitting portion 44 can be made of a metal material, but can also be made of another material such as hard rubber in a thick tubular shape.
  • the pen tip portion 41aC, the shaft portion 41bC, and the mounting portion 41cC of the core rod 41C are integrally formed of a metal material and have electrical conductivity. , the conductivity of the core rod 41C is not lost.
  • the core rods 41A, 41B, and 41C described using FIG. 4 are examples, and various other modifications are possible.
  • the core rod is electrically conductive from its front end to its rear end, and when it is inserted into the insertion hole 42c of the protection member 42 and mounted at a fixed position, there is a gap between the shaft center portion and the protection member 42.
  • various shapes can be used in which an intermediate portion such as a space (air layer) 43 can be provided.
  • FIG. 5 is a diagram for explaining another configuration example of the protective member 42 for the core 4.
  • the protective member 42 is formed using a resin material, and in this embodiment, is described as being formed of polyacetal. However, it is not limited to this.
  • the protective member can also be formed using a technique called double molding, which uses two types of resin materials to form one molded product.
  • a protective member 42A (FIG. 5A), a protective member 42B (FIG. 5B), and a protective member 42C (FIG. 5C) shown in FIG. It is formed to have a shape similar to that of member 42 . That is, the protection members 42A, 42B, and 42C shown in FIG. is provided. However, both of them are formed by a two-color molding technique using two kinds of resins, polyacetal and elastomer.
  • the tip portion 42aA and the extended portion 42bA are made of polyacetal, and the tip portion of the tip portion 42aA (the portion that contacts the operation surface) is made of elastomer.
  • a dome-shaped contact portion 42x is provided.
  • Elastomer means a soft polymeric material having elasticity like rubber, and its softness, elasticity and other physical properties can be adjusted by compounding the material.
  • the writing feel means the tone and writing condition when writing with the electronic pen in contact with the operation surface, that is, the feeling transmitted to the user's hand through the electronic pen. Therefore, by providing the contact portion 42x made of elastomer, the electronic pen can be brought into softer contact with the operation surface during writing, and the feeling of writing can be obtained.
  • the tip side of the polyacetal tip portion 42aA and the elastomer contact portion 42x form a double capacitor. Since the thickness of the contact portion 42x is thin, there is a possibility that the signal (electric field) radiated from the contact portion 42x side is suppressed, albeit slightly. Therefore, as in the protective member 42B shown in FIG. 5B, the thickness of the contact portion 42y of the tip portion 42aB is made thicker. As a result, only the contact portion 42y made of elastomer is provided on the pen tip side, and the signal (electric field) radiated from the contact portion 42y side can be prevented from being suppressed. Writing taste can also be realized.
  • the tip portion 42aC of the protection member 42C which is located at least on the tip side of the wide portion of the nib portion 41a of the core rod 41, is replaced with the elastomer contact portion. 42z.
  • the signal (electric field) radiated from the pen tip 41a of the core rod 41 can be efficiently radiated without being significantly suppressed, and a desired writing feel can be achieved.
  • the protective members 42A, 42B, and 42C described with reference to FIG. 5 are examples, and various other modifications are possible.
  • the protection member can radiate the signal (electric field) from the pen tip of the core rod without attenuation, and the signal (electric field) from the shaft of the core rod can be emitted from the intermediate part such as the space (air layer). and a protective member to attenuate and radiate the light.
  • the contact portions 42x, 42y, and 42z attached to the tips by two-color molding may have conductivity. By having conductivity, it becomes possible to emit a strong electric field from the core.
  • FIG. 6 is a diagram for explaining another configuration example of the electronic pen 1. As shown in FIG. In FIG. 6, the same reference numerals are given to the parts configured in the same manner as the electronic pen 1 shown in FIG. In the case of the electronic pen 1 of the embodiment described above, as shown in FIGS. was configured to protrude. However, it is not limited to this.
  • the core body 4X of the electronic pen 1A shown in FIG. 6 is configured by using, for example, the core rod 41A shown in FIG. A space (air layer) 43X is provided around the .
  • the protective member 42X is provided with a side portion 42Xa1 in which the rear end side of the tip portion 42Xa is parallel to the axis.
  • the inside of the core 4X can also be configured similarly to the core 4 of the embodiment described above.
  • the opening HA of the front cap 22A is wider than the opening H of the front cap 22 of the electronic pen 1 shown in FIG.
  • the opening HA of the front cap 22A has a shape similar to the rear end surface 42XT of the protection member 42X on its front end side, but the diameter of the front end side of the opening HA is larger than the rear end surface 42XT of the front end portion 42Xa of the protection member 42. is also slightly longer.
  • the core body 4X is configured so that the side surface portion 42Xa1 on the rear end side of the tip portion 42Xa of the protective member 42X enters the opening HA of the front cap 22A.
  • a ring-shaped protruding portion 22P that protrudes inward is provided at a position slightly lowered from the front end of the front cap 22A to the rear end side.
  • a front end surface 22Px of the protruding portion 22P faces a rear end surface 42XT of a front end portion 42Xa of the core body 4X.
  • the core body 4X when writing pressure is applied to the core body 4X, the core body 4X is pushed toward the rear end side, and when the writing pressure is released, the core body 4X returns to its original position. configured to be extruded into position.
  • the side surface portion 42Xa1 on the rear end side of the tip portion 42Xa of the protective member 42X faces the inner wall surface on the tip side of the opening HA of the front cap 22A.
  • rattling of the core body 4X during writing can be substantially prevented, and the core body 4 can be protected even if force is applied to the tip portion 42Xa of the core body 4X in a direction crossing the axial direction.
  • the core body 4X can withstand the force in the direction crossing the axial direction. , can add more strength.
  • the protruding portion 22P of the front cap 22A may be extended in the axial direction to increase the area facing the side surface of the extended portion 42Xb of the core 4X.
  • FIG. 7A is an external view of the tip member 45
  • FIG. 7B is an external view of the extending member 46
  • FIG. 7C is an external view of the core rod 41.
  • the core rod 41 of the core body 4Y in this example is similar to the core rod 41 of the core body 4 described above. For this reason, the core rod 41 is given the same reference numerals as those of the core rod 41 shown in FIG.
  • the core rod 41 is made of a metal material, and in this example as well, the core rod 41 is made of stainless steel (SUS (Steel Special Use Stainless)) or brass. be.
  • the tip member 45 and the extending member 46 constitute a portion corresponding to the protective member 42 of the core body 4 described above with reference to FIG.
  • the tip member 45 has a conical appearance with a rounded tip portion, and a large circular bottom opening 45H is provided at the bottom, and the inside is a space. It is a so-called dome type.
  • the space on the tip side serves as a pen tip fitting portion 451 into which the pen tip portion 41a of the core rod 41 is fitted.
  • the space on the bottom side is fitted with the front portion of the extension member 46 (the front side taper portion 461, the side groove portion 46G, and the front portion of the intermediate portion 462), which will be described later. It is an extension member fitting portion 452 that
  • a ring-shaped inner protrusion 452P is provided along the inner edge of the bottom opening 45H on the inner wall surface of the extension member fitting portion 452 on the side of the bottom opening 45H.
  • the portion outside the bottom opening 45H of the tip member 45 has a thickness in the direction intersecting (in this example, the direction perpendicular to) the axis (the central axis of the core 4Y). It is 45T.
  • the tip member rear end face 45T is the tip end face of the front cap 22 of the case 2, similarly to the case of using the core body 4 shown in FIG. 22T.
  • the tip member 45 is made of silicon rubber.
  • the extension member 46 is cylindrical (pipe-shaped) having a through hole formed in the axial direction (same direction as the axial center), and extends toward the front side (the tip member 45 side). is a front side opening 46FH, and the rear side is a rear side opening 46BH.
  • the extension member 46 is composed of three parts, from the front side, a front side tapered part 461 having a tapered shape (tapered shape), an intermediate part 462 , and a rear side part 463 having a slightly shorter diameter than the intermediate part 462 .
  • a side groove portion 46G is provided at a boundary portion between the front tapered portion 461 and the intermediate portion 462 on the side surface (outer wall surface) of the extension member 46 .
  • the extending member 46 can be made of the same material as the protective member 42 of the core 4 described above.
  • the stretching member 46 can be made of various resin materials such as polyamide, polycarbonate, modified polyphenylene ether, polybutylene terephthalate, and polyacetal.
  • extension member 46 is formed using polyacetal.
  • Polyacetal is also called POM (polyoxymethylene), as described above.
  • the extension member fitting portion 452 which is the space inside the tip member 45, and the front portion of the extension member 46 (the front tapered portion 461 and the side groove portion). 46G and a portion of the front side of the intermediate portion 462) have the same shape. Therefore, the tip member 45 and the extension member 46 can be joined by inserting and pushing the front tapered portion of the extension member 46 from the bottom opening 45H of the tip member 45 .
  • the inner tip surface 452T of the extending member fitting portion 452 and the tip surface 461T of the extending member 46 abut against each other, and the inner projection 452P of the extending member fitting portion 452 of the tip member 45 contacts the side groove portion 46G of the extending member 46. get stuck in.
  • the inner wall surface of the extension member fitting portion 452 of the distal end member 45 and the side surface (outer wall surface) of the front portion of the extension member 46 are brought into close contact with each other so that they are not easily separated.
  • the joint member formed by joining the distal end member 45 and the extension member 46 has the same outer shape and inner shape as the protective member 42 shown in FIG. 3(A).
  • the tip member 45 is made of silicon rubber and has elasticity
  • the extending member 46 is made of POM and is hard. Therefore, the tip member 45 and the extending member 46 which are joined can be separated by separating them with a certain amount of force. In this manner, the distal end member 45 and the extending member 46 are configured to be detachable.
  • the joint member configured by joining the tip member 45 and the extending member 46 is mounted by inserting the core rod 41 in the inner longitudinal direction.
  • 47 h of insertion holes are provided.
  • the through hole 47h corresponds to the through hole 42c in the protective member 42 described above with reference to FIG. 3(A).
  • the longitudinal center of the insertion hole 47 h coincides with the longitudinal center (axial center) of the joining member composed of the distal end member 45 and the extension member 46 .
  • the longitudinal length (total length) of the insertion hole 47h of the joint member is slightly longer than the tip of the nib portion 41a of the core rod 41 shown in FIG. It matches the length LY to the front position.
  • the inner diameter of the insertion hole 47h of the joint member at the position corresponding to the wide portion of the pen tip portion 41a of the core rod 41 is the same as L1 or slightly shorter than L1, and the insertion hole 47h is fitted with the core rod 41.
  • the inner diameter at the position corresponding to the portion 41b3 is the same as L2 or slightly shorter than L2.
  • the insertion hole 47h does not have unevenness on its inner wall surface, and has a shape that tapers from the opening on the rear end side toward the tip, so that the core rod 41 can be easily inserted.
  • the pen tip portion 41a of the core rod 41 is widened as shown in FIG.
  • the portion on the tip side from the portion is in close contact with the inner wall surface on the tip side of the insertion hole 47h.
  • the side surface of the fitting portion 41b3 on the rear end side of the core rod 41 is in close contact with the inner wall surface around the opening of the insertion hole 47c.
  • a joint member obtained by joining the tip end member 45 and the extending member 46 is attached to the core rod 41, thereby forming the core body 4Y.
  • a space (air layer) 43Y is formed between the shaft portion 41b of the core rod 41 and the inner wall surface of the insertion hole 47h of the joining member. be.
  • the space (air layer) 43Y and the joining member composed of the tip member 45 formed of silicon rubber and the extension member 46 formed of polyacetal are electrically conductive. It can be considered as a dielectric, which is a substance superior in dielectric properties to Also, the dielectric constants of the space 43Y and the joining member (mainly the extending member 46) are different. Therefore, even in the case of the core body 4Y of this example, the signal (electric field) radiated from the front side shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 is composed of the space 43, the tip member 45, and the extension member 46. It is suppressed by a double capacitor with the joining member.
  • the signal (electric field) radiated through the front side shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 is reduced.
  • the diameter of the front side shaft portion 41b1 of the core rod 41 is shorter than the diameter of the wide portion of the pen tip portion 41a, the signal (electric field) emitted from the pen tip portion 41a is stronger than the signal (electric field) emitted from the pen tip portion 41a. (electric field) can be made smaller.
  • the signal (electric field) radiated through the tip side portion of the pen tip portion 41a of the core rod 41 is increased, and the front side shaft portion of the core rod 41 Signals (electric fields) radiated from 41b1 and intermediate shaft portion 41b2 can be reduced.
  • the signal (electric field) leaking from the front shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 can be suppressed.
  • the linear characteristic as the detection characteristic of the pointing position when the electronic pen 1 is tilted can be improved, and the position detection device side , it is possible to prevent the electronic pen 1 from deviating from the indicated position.
  • the core body 4Y of this example can also achieve the same effect as the core body 4 described above.
  • the core rod 41, the tip member 45, and the extending member 46 are separately formed.
  • the tip member 45 and the extending member 46 are joined together to form a joining member.
  • This joint member corresponds to the protective member 42 of the core 4 described with reference to FIG.
  • the core body 4Y can be formed by a press-fitting method in which the core rod 41 is inserted into the insertion hole 47h of the joining member. Therefore, it is possible to easily manufacture the core body 4Y itself.
  • the core rod 41, the tip member 45, and the extending member 46 may be formed by methods suitable for each.
  • the tip member 45 is made of an elastic member such as silicon rubber, so that a softer writing feeling can be realized. Further, by forming the tip member 45 with an elastic member such as silicon rubber, a gap between the rear end surface 45T of the tip member 45 and the tip surface 22T of the front cap 22 of the case 2 of the electronic pen 1 is formed. can be narrowed. If the tip member 45 is formed of an elastic member, it is possible to push the core 4Y to the rear end side to some extent even after the rear end surface 45T of the tip member 45 and the tip surface 22T of the front cap 22 are in contact with each other. It is for the sake of becoming.
  • the pen tip wears due to friction.
  • the core body 4Y composed of the tip member 45, the extending member 46 and the core rod 41, only the tip member 45 can be easily replaced. Therefore, in the case of the core body 4Y, only the tip member 45 needs to be replaced, which is more economical than replacing the entire core body. That is, it is possible to realize a core body 4Y for an electronic pen that can be used more economically.
  • a space (air layer) 43Y is formed as an intermediate portion.
  • the intermediate portion is not limited to the space (air layer).
  • a material having a dielectric constant different from that of the protective member 42 is applied, vapor-deposited, or coated on the side surfaces of the front shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 so as to have the same thickness at the same position as the space 43. It is added by various methods such as fusing and wrapping. In this way, the side surfaces of the front shaft portion 41b1 and the intermediate shaft portion 41b2 of the core rod 41 can be provided with intermediate portions made of a material different from that of the protective member .
  • the core rod 41 provided with the intermediate portion in this manner is inserted into the insertion hole 42c of the protective member 42.
  • the extended portion 42b of the protective member 42 can be positioned outside the intermediate portion, and a structure similar to that in which a double capacitor is formed around the front shaft portion 41b1 and the intermediate shaft portion 41b2 can be obtained. can.
  • an intermediate portion made of a material having a dielectric constant different from that of the protective member 42X is provided on the shaft portion 41bA of the core rod 41A shown in FIG. It can also be configured. Also, in the case of the core 4Y shown in FIGS. 7 and 8, the space (air layer) 43Y is filled with a material having a dielectric constant different from that of the front end member 45 and the extending member 46, thereby forming an intermediate portion. You may make it provide.
  • a core body for an electronic pen can be configured that has excellent detection characteristics of pointing position and inclination.
  • the core rod 41 is provided with the fitting portion 41b3, but the present invention is not limited to this.
  • the intermediate shaft portion 41b2 may be extended to the fitting portion 41b3 without providing the fitting portion 41b3 on the core rod 41 .
  • the corresponding portions of the protection member 42 and the extension member 46 that is, the opening portions on the rear end side of the protection member 42 and the extension member 46 are protruded inward. Provide an overhang.
  • the protruding portions of the protective member 42 and the extension member 46 are fitted to the rear end portion of the intermediate shaft portion 41b2 of the core rod 41, and the core is attached to the protection member 42 and the extension member 46.
  • a rod 41 can be fixed.
  • the rear end portion of the intermediate shaft portion 41b2 of the core rod 41 facing the overhanging portions of the protection member 42 and the extension member 46 may be knurled.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
PCT/JP2022/017481 2021-05-13 2022-04-11 電子ペンおよび電子ペン用の芯体 Ceased WO2022239585A1 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1020237033775A KR20240006503A (ko) 2021-05-13 2022-04-11 전자 펜 및 전자 펜용 심체
CN202280019750.6A CN117043724A (zh) 2021-05-13 2022-04-11 电子笔及电子笔用的芯体
EP22807289.8A EP4339747A4 (en) 2021-05-13 2022-04-11 ELECTRONIC PEN AND CENTRAL BODY FOR ELECTRONIC PEN
JP2023520927A JP7796732B2 (ja) 2021-05-13 2022-04-11 電子ペンおよび電子ペン用の芯体
US18/492,604 US12229352B2 (en) 2021-05-13 2023-10-23 Electronic pen and core body for electronic pen
US19/023,110 US12699467B2 (en) 2021-05-13 2025-01-15 Electronic pen and core body for electronic pen
JP2025277563A JP2026040593A (ja) 2021-05-13 2025-12-23 電子ペンおよび電子ペン用の芯体

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2021-081590 2021-05-13
JP2021081590 2021-05-13
JP2022-063329 2022-04-06
JP2022063329 2022-04-06

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US18/492,604 Continuation US12229352B2 (en) 2021-05-13 2023-10-23 Electronic pen and core body for electronic pen

Publications (1)

Publication Number Publication Date
WO2022239585A1 true WO2022239585A1 (ja) 2022-11-17

Family

ID=84028220

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2022/017481 Ceased WO2022239585A1 (ja) 2021-05-13 2022-04-11 電子ペンおよび電子ペン用の芯体

Country Status (5)

Country Link
US (2) US12229352B2 (enExample)
EP (1) EP4339747A4 (enExample)
JP (2) JP7796732B2 (enExample)
KR (1) KR20240006503A (enExample)
WO (1) WO2022239585A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025037502A1 (ja) * 2023-08-14 2025-02-20 株式会社ワコム 電子ペン
WO2026014280A1 (ja) * 2024-07-12 2026-01-15 株式会社ワコム 電子ペン

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014112355A (ja) * 2012-11-06 2014-06-19 Towa Kasei Kk 入力用タッチペンおよびその製造方法
JP5761773B1 (ja) 2013-12-25 2015-08-12 株式会社ワコム 位置指示用モジュールおよびスタイラスペン
JP2016010884A (ja) * 2014-06-27 2016-01-21 北星鉛筆株式会社 鉛筆用キャップ
JP2016021134A (ja) * 2014-07-14 2016-02-04 レノボ・シンガポール・プライベート・リミテッド タッチペン及びそのペン先
JP2017224178A (ja) * 2016-06-16 2017-12-21 株式会社ワコム 筆記具及び電子ペン本体部
JP3215060U (ja) * 2017-12-13 2018-02-22 煥徳科技股▲ふん▼有限公司 導電性タッチペン先及びそれを使用したタッチペン
WO2020054163A1 (ja) 2018-09-13 2020-03-19 株式会社ワコム 電子ペンおよび電子ペン用の芯体
WO2020129336A1 (ja) * 2018-12-20 2020-06-25 株式会社ワコム 静電容量方式の電子ペン

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673777A (en) * 1970-09-03 1972-07-04 Black & Decker Mfg Co Blade mounting means
JP5534419B2 (ja) * 2010-03-09 2014-07-02 株式会社ワコム 位置指示器、可変容量コンデンサ及び入力装置
US20130321355A1 (en) * 2012-05-31 2013-12-05 N-Trig Ltd. Writing tip for a stylus
JP5667708B2 (ja) * 2013-06-20 2015-02-12 株式会社ワコム 位置指示器及び位置指示器の芯体
US9298285B2 (en) * 2013-12-05 2016-03-29 Wacom Co., Ltd. Stylus tip shape
US9239639B1 (en) * 2014-06-24 2016-01-19 Amazon Technologies, Inc. Protecting stylus force sensor from excess force
CN111665957B (zh) * 2014-07-08 2024-04-23 株式会社和冠 位置指示器
US9612671B1 (en) * 2014-10-24 2017-04-04 Amazon Technologies, Inc. Stylus tip
US10198089B2 (en) * 2015-09-08 2019-02-05 Apple Inc. Active stylus precision tip
US10318022B2 (en) * 2017-01-30 2019-06-11 Microsoft Technology Licensing, Llc Pressure sensitive stylus
US20190220108A1 (en) * 2018-01-15 2019-07-18 Adonit Co., Ltd Stylus having pen tip assembly and end cover synchronized in motion
CN110825246B (zh) * 2018-08-07 2023-05-23 深圳普赢创新科技股份有限公司 侧压式位置指示装置
CN111837095B (zh) * 2020-03-17 2024-07-26 深圳市汇顶科技股份有限公司 主动笔

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014112355A (ja) * 2012-11-06 2014-06-19 Towa Kasei Kk 入力用タッチペンおよびその製造方法
JP5761773B1 (ja) 2013-12-25 2015-08-12 株式会社ワコム 位置指示用モジュールおよびスタイラスペン
JP2016010884A (ja) * 2014-06-27 2016-01-21 北星鉛筆株式会社 鉛筆用キャップ
JP2016021134A (ja) * 2014-07-14 2016-02-04 レノボ・シンガポール・プライベート・リミテッド タッチペン及びそのペン先
JP2017224178A (ja) * 2016-06-16 2017-12-21 株式会社ワコム 筆記具及び電子ペン本体部
JP3215060U (ja) * 2017-12-13 2018-02-22 煥徳科技股▲ふん▼有限公司 導電性タッチペン先及びそれを使用したタッチペン
WO2020054163A1 (ja) 2018-09-13 2020-03-19 株式会社ワコム 電子ペンおよび電子ペン用の芯体
WO2020129336A1 (ja) * 2018-12-20 2020-06-25 株式会社ワコム 静電容量方式の電子ペン

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4339747A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025037502A1 (ja) * 2023-08-14 2025-02-20 株式会社ワコム 電子ペン
WO2026014280A1 (ja) * 2024-07-12 2026-01-15 株式会社ワコム 電子ペン

Also Published As

Publication number Publication date
US12229352B2 (en) 2025-02-18
JP2026040593A (ja) 2026-03-09
JP7796732B2 (ja) 2026-01-09
KR20240006503A (ko) 2024-01-15
US20250155995A1 (en) 2025-05-15
JPWO2022239585A1 (enExample) 2022-11-17
US20240053836A1 (en) 2024-02-15
EP4339747A4 (en) 2024-08-07
EP4339747A1 (en) 2024-03-20
US12699467B2 (en) 2026-08-04

Similar Documents

Publication Publication Date Title
JP7707387B2 (ja) 静電容量方式の電子ペン
US12216845B2 (en) Electronic pen and electronic pen body portion
US10372241B2 (en) Position indicator
WO2020054163A1 (ja) 電子ペンおよび電子ペン用の芯体
JP2026040593A (ja) 電子ペンおよび電子ペン用の芯体
JP7558270B2 (ja) 電子ペン
JP7366067B2 (ja) 静電結合方式の電子ペン
JP7595139B2 (ja) 静電容量方式の電子ペン
JP7513627B2 (ja) 電子ペン
JP7578850B2 (ja) 電子ペン
CN112236656B (zh) 压力检测元件
US20250224819A1 (en) Electronic pen
JP7811446B2 (ja) 電子ペン及び電子ペン用芯体
CN117043724A (zh) 电子笔及电子笔用的芯体
KR20240056818A (ko) 전자 펜
CN117539358A (zh) 电子笔
US20250251803A1 (en) Electronic pen core body and electronic pen
WO2024080053A1 (ja) 電子ペン

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22807289

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2023520927

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 202280019750.6

Country of ref document: CN

WWE Wipo information: entry into national phase

Ref document number: 2022807289

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2022807289

Country of ref document: EP

Effective date: 20231213

WWW Wipo information: withdrawn in national office

Ref document number: 2022807289

Country of ref document: EP