WO2007037651A1 - Touche multifonction de clavier - Google Patents

Touche multifonction de clavier Download PDF

Info

Publication number
WO2007037651A1
WO2007037651A1 PCT/KR2006/003925 KR2006003925W WO2007037651A1 WO 2007037651 A1 WO2007037651 A1 WO 2007037651A1 KR 2006003925 W KR2006003925 W KR 2006003925W WO 2007037651 A1 WO2007037651 A1 WO 2007037651A1
Authority
WO
WIPO (PCT)
Prior art keywords
key
key button
button
contact
wall
Prior art date
Application number
PCT/KR2006/003925
Other languages
English (en)
Inventor
Jun Su Choi
So Hak Lee
Original Assignee
Jun Su Choi
So Hak Lee
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
Priority claimed from KR1020050098268A external-priority patent/KR20070036544A/ko
Application filed by Jun Su Choi, So Hak Lee filed Critical Jun Su Choi
Publication of WO2007037651A1 publication Critical patent/WO2007037651A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0233—Character input methods
    • G06F3/0234—Character input methods using switches operable in different directions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H25/00—Switches with compound movement of handle or other operating part
    • H01H25/008—Operating part movable both angularly and rectilinearly, the rectilinear movement being perpendicular to the axis of angular movement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H01H2221/012—Joy stick type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/008—Actuators other then push button
    • H01H2221/018—Tumbler
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/036—Return force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/036—Return force
    • H01H2221/042—Foam
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/062—Damping vibrations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/002—Casings sealed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/028—Blade spring

Definitions

  • the present invention relates to a multi-key button for a key pad, and more particularly to a multi-key button for a key pad which can allot various key values to one key button by providing each key button with three contacts in a terminal such as a mobile phone, a computer or the like.
  • Fig. 1 (a) is a schematic view showing a conventional terminal which is structured such that one contact is provided at one key button 101.
  • An exemplary method of inputting alphabet characters by using the conventional key button structure will be described.
  • a numeric key '2' is allotted with the alphabet characters, 1 A', 1 B' and 'C
  • a numeric key '3' is allotted with 1 D 1 , 'E' and 'F'
  • a numeric key '4' is allotted with 1 G', 1 H' and T
  • a numeric key '5' is allotted with 'J', 1 K 1 and 1 L 1
  • a numeric key '6' is allotted with 1 M 1 , 1 N 1 and 1 O 1
  • a numeric key '7' is allotted with 'P', !
  • numeric key '8' is allotted with 'T', 'U' and 1 V
  • numeric key '9' is allotted with 1 W, 1 X 1 , 1 Y' and 'Z'.
  • a numeric key '1' is not allotted with any alphabet character, however, may be allotted with a function of converting a capital letter into a small letter and vice versa.
  • the above conventional key button structure has problems of the "waiting time" and the low input speed.
  • the user when inputting two or more alphabet characters allotted to the identical key, the user must wait the predetermined time after inputting one character before inputting another character.
  • the cursor moving key is located a distance apart from the character input keys, it is inconvenient and takes much time to input the characters. Thus, the character input speed is low.
  • Fig. 1 (b) is a schematic view showing another conventional key button structure of a terminal, in which numeric key buttons 102 and character key buttons 103 are arranged separately from each other.
  • the character key buttons 103 are distributed around the numeric key buttons 102, and protrude from the numeric key buttons 102 by a small height.
  • Such a conventional key button structure has an advantage of adequately arranging the key buttons for structure of the human hand and enables a user to quickly input the characters by selecting the key buttons by intuition.
  • several tens of the key buttons are provided at the key pad, it is inconvenient for adult users or western people to press the plurality of key buttons with their sizable hands.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a multi-key button for a key pad which is configured to provide each key button with three contacts (first, second and third contacts) in a terminal such as a mobile phone, a computer or the like, thereby enabling a user to input one character (e.g., the alphabet) by one manipulation (pressing, pushing or pulling) of a protrusion formed at a body of the key button.
  • a multi-key button for a key pad which is configured to provide each key button with three contacts (first, second and third contacts) in a terminal such as a mobile phone, a computer or the like, thereby enabling a user to input one character (e.g., the alphabet) by one manipulation (pressing, pushing or pulling) of a protrusion formed at a body of the key button.
  • a multi-key button for a key pad comprising: a key button including a body which is formed to have a longitudinal section of an inverse triangle shape or an inverse trapezoid shape, the body having a lower surface and an upper surface broader than the lower surface, and three switch contacts which are turned on by being pressed respectively when the body is moved forward or backward or pressed downward; and a key pad body which is formed with a key button recess for receiving the key button.
  • the key button further includes a protrusion which has a semicircular shape or a polygonal shape and is integrally formed at a top of the body of the key button so that a user can push, pull or press the key button by using hands or other objects.
  • the key button further includes at least one contact push part which contactingly turns on any one of three switch contacts when the body is moved forward or backward or pressed downward.
  • the body of the key button is provided with a circular or elliptical insertion slot which is formed through a center portion of the body in a traverse direction, and a shaft is inserted through the insertion slot to support the body of the key button.
  • Three switch contacts are disposed at a bottom of an inner wall of the key button recess with a constant gap therebetween, or disposed respectively at a bottom and two opposite side surfaces of the inner wall of the key button recess.
  • the key pad body has a key button cover which is formed in a thin film type and covers the body and the key button recess except for the protrusion, to prevent the key button from being separated from the key button recess and foreign substances from permeating into the key button recess.
  • a multi-key button for a key pad comprising: an outer wall which is provided with a rectangular parallelepiped shaped hole; two side switch contacts which are mounted to two opposite side surfaces of four side surfaces of the hole of the outer wall; a button body which is formed in a rectangular parallelepiped shape and disposed in the hole of the outer wall such that the button body is spaced apart from two opposite side surfaces of the hole where the side switch contacts are mounted and is in contact with two other opposite side surfaces of the hole, the button body contactingly turning on the side switch contacts when being biased toward the side switch contacts; a lower switch contact which is mounted to a bottom of the hole of the outer wall; and a sliding plate spring which is disposed below the button body to support the button body, the sliding plate spring turning on the lower switch contact when the button body is pressed downward.
  • the button body is formed with side contact push parts at two opposite side surfaces of the button body, opposite to the side switch contacts.
  • the side contact push parts are spaced apart from the side switch contacts.
  • the sliding plate spring is formed with a lower contact push part at a lower surface of the sliding plate spring.
  • the lower contact push part is spaced apart from the lower switch contact.
  • the sliding plate spring is provided with supporting members which are formed in a rectangular pillar shape and disposed below two opposite end portions which are in contact with the outer wall to support the sliding plate spring at a location apart from the bottom of the outer wall.
  • the multi-key button further comprises shock-absorbing parts which are mounted between the button body and the outer wall.
  • the shock-absorbing parts provide a restoring force to the button body to return to an original position of the button body from the side switch contact which is turned on.
  • one character e.g., the alphabet
  • one manipulation pressing, pushing or pulling
  • the protrusion formed at the body of the key button thereby enabling the user to input the characters more accurately and rapidly (more than two or three times) as compared to the conventional key button structure.
  • the key pad can be made with a reduced number of the key buttons, thereby compactly manufacturing the terminal like the mobile phone.
  • Fig. 1 is a schematic view showing a conventional key pad and key buttons
  • FIG. 2 is a schematic view showing a terminal equipped with a multi-key button for a key pad in accordance with the present invention!
  • FIG. 3 is a sectional view showing a structure of a multi-key button for a key pad in accordance with a preferred embodiment of the present invention
  • FIGS. 4 and 5 are sectional views showing an operating state of a multi-key button for a key pad depicted in Fig.3;
  • Fig. 6 is a sectional view showing modified shapes of a multi-key button for a key pad in accordance with the present invention.
  • Fig. 7 is a structural view showing a multi-key button for a key pad in accordance with another preferred embodiment of the present invention. [Best Mode]
  • FIG. 2 is a schematic view showing a terminal equipped with a multi-key button for a key pad according to the present invention
  • Fig. 3 is a sectional view showing a structure of a multi-key button for a key pad in accordance with a preferred embodiment of the present invention
  • Figs. 4 and 5 are sectional views showing an operating state of the multi-key button for the key pad depicted in Fig.3.
  • Fig. 2 (a) is a front view of a terminal like a mobile phone which is equipped with the multi-key button for the key pad according to the present invention
  • Fig. 2 (b) is a side view of the terminal in Fig.2 (a).
  • a plurality of key buttons 200 is provided at a key pad body 300 of the terminal.
  • Each of the key buttons 200 includes a body 201 and a protrusion 202 which protrudes from the body 201.
  • the corresponding key value is the number '2'.
  • the corresponding key value is the alphabet character 'g 1 .
  • the corresponding key value is the alphabet character 'e'.
  • Fig. 3 is a sectional view showing a structure of the multi-key button for the key pad in accordance with a preferred embodiment of the present invention.
  • Fig. 3 (a) shows a structure that push parts protriidingly formed at side surfaces of the body 201 press contacts 310a, 310b, 310c provided at a bottom of a key button recess 301 of the key pad body 300.
  • Fig. 3 (b) shows a structure that the push parts protrudingly formed at the side surfaces of the body 201 press contacts 310a, 310b, 310c provided at opposite side surfaces of the key button recess 301 of the key pad body 300.
  • the body 201 of the key button 200 is formed in an inverse triangle shape or an inverse trapezoid shape in which an upper surface is broader than a lower surface.
  • a lower end of the body 201 performs as a first push part 211 which presses a first contact 310a provided at the bottom of an inner wall 302 of the key button recess 301 of the key pad body 300 to generate the key value of the number.
  • a second push part 212 and a third push part 213 are protrudingly formed at two opposite side surfaces of the body 201 symmetrically in a transverse or diagonal direction.
  • the second push part 212 presses a second contact 310b which is provided at the bottom or the side surface of the inner wall 302 of the key button recess 301 to generate the key value of the alphabet character.
  • the third push part 213 presses a third contact 310c which is provided at the bottom or the side surface of the inner wall 302, opposite to the second contact 310b, of the key button recess 301 to generate the key value of the other alphabet character.
  • the protrusion 202 which has a rectangular or polygonal cross-section shape, is protrudingly formed upward at a top of the body 201.
  • the user can input the desired numbers or characters by pressing, pushing forward or pulling backward the protrusion 202 with her/his fingers.
  • An insertion slot 241 is formed through the body 201, and a shaft 242 is inserted through the insertion slot 241, so that the key button 200 is not separated from the key pad body 300 and can be stably operated when the user presses, pushes forward or pulls backward the key button 200.
  • a key button cover 250 which is made of soft material like rubber, may be further provided over the key button 200 to prevent dust or water from permeating into the key pad body 300 and damaging circuits.
  • the first contact 310a, the second contact 310b and the third contact 310c respectively include a conductive plate 312 which outputs a signal of the allotted key value corresponding to the user's manipulation (i.e., pressing, pushing or pulling) of the protrusion 202 of the key button 200, and a conductive spring 311 which surrounds the conductive plate 312 in an elliptical shape.
  • a conductive spring 311 which surrounds the conductive plate 312 in an elliptical shape.
  • Figs. 4 and 5 are sectional views showing an operating state of the multi-key button for the key pad depicted in Fig. 3.
  • Figs. 4 (a) and 5 (a) show an operating state 401 such that the first push part 211 contacts the first contact 310a when the protrusion 202 is pressed in a vertical direction.
  • Figs. 4 (b) and 5 (b) show an operating state 402 such that the second push part 212 contacts the second contact 310b when the protrusion 202 is pulled backward.
  • Figs. 4 (c) and 5 (c) show an operating state 403 such that the third push part 213 contacts the third contact 310c when the protrusion 202 is pushed forward.
  • Fig. 6 shows variously modified shapes of the key buttons according to the present invention.
  • the shape of the key button 200 may be widely changed according to positions, heights and the like of the contacts.
  • Fig. 7 is a structural view showing a multi-key button for a key pad in accordance with another preferred embodiment of the present invention.
  • Fig. 7 (a) shows a coupling structure of a key pad body 600 and a printed circuit board 500.
  • Connecting wires 602 extending from a plurality of key buttons 700 provided at the key pad body 600 are connected to a first connecting terminal 601 which is mounted to one side of the key pad body 600.
  • a second connecting terminal 501 is mounted to one side of the printed circuit board 500.
  • the second connecting terminal 501 of the printed circuit board 500 is connected to the first connecting terminal 601 of the key pad body 600 with a method of mutual contact or the like. Accordingly, the signal generated from the key button 700 by the manipulation (i.e., pressing, pushing or pulling) of the key button 700 can be transmitted to circuits of the printed circuit board 500.
  • Figs. 7 (b) and (c) are a plan view and a side view showing the key button 700 in accordance with another preferred embodiment of the present invention, respectively.
  • a button body 711 is formed in a nearly rectangular parallelepiped shape, and a semicircular shaped protrusion 712 is formed at a top of the button body 711 so that the user can easily push or pull the button body 711 forward or backward with her/his hand.
  • Side contact push parts 713 are protrudingly formed at opposite sides of the button body 711 to press side contacts 731.
  • the side contacts 731 are mounted to opposite side surfaces of an outer wall 603 of the button, corresponding to the positions of the side contact push parts 713.
  • Shock-absorbing parts 720 are mounted between the opposite sides of the button body 711 and the outer wall 603 of the button, to provide a restoring force to the button body 711 which is moved forward or backward to return to its original position.
  • the shock-absorbing parts 720 are made of elastic material (e.g., urethane, silicone or the like).
  • a sliding plate spring 740 is mounted under the button body 711 and the shock-absorbing parts 720.
  • the pressing force is exerted on the sliding plate spring 740, and the sliding plate spring 740 is pressed to contactingly turn on a lower contact 750 which is mounted to a bottom of the outer wall 603 of the button.
  • the sliding plate spring 740 provides a restoring force to the button body 711 to return to its original position.
  • the sliding plate spring 740 is formed with a lower contact push part 741 at its lower surface, to press the lower contact 750.
  • Two opposite end portions of the sliding plate spring 740 (which are in contact with the outer wall 603 of the button) are supported by supporting members 742.
  • the sliding plate spring 740 is kept so as to be spaced apart from the lower contact 750 by the supporting members 742. If the opposite end portions of the sliding plate spring 740 are supported by being fitted in the outer wall 603 of the button, it is unnecessary to provide the above supporting members 742.
  • the multi-key button structure for the key pad according to the present invention can be applied to various types of terminals such as a mobile phone, a game machine, a keyboard of a personal computer or the like. Also, according to the features of the terminal, the multi-key button structure of the present invention may be applied to all key buttons of the terminal, or applied to only some necessary key buttons.
  • the key button is formed in an inverse triangle shape or an inverse trapezoid shape.
  • the shape of the key button can be variously designed as needed.
  • one key button is allotted with three contacts, however, it can be modified such that one key button is allotted with only two contacts or allotted with five contacts (in the downward, forward & backward, and left & right directions).
  • the multi-key button for the key pad according to the present invention is configured such that one character (e.g., the alphabet) can be inputted by one manipulation (pressing, pushing or pulling) of the protrusion formed at the body of the key button, thereby enabling the user to input the characters more accurately and rapidly (more than two or three times) as compared to the conventional key button structure.
  • the key pad can be made with a reduced number of the key buttons, thereby compactly manufacturing the terminal like the mobile phone.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)

Abstract

Cette invention concerne une touche multifonction de clavier permettant d’attribuer différentes valeurs de fonction à une touche de clavier par dotation à chaque touche de trois contacts dans un terminal tel qu’un téléphone mobile, un ordinateur ou similaire. La touche multifonction de clavier consiste en une touche de clavier comprenant un corps formé pour avoir une coupe longitudinale en triangle inverse ou en trapèze inverse, le corps possédant une surface inférieure et une surface supérieure plus large que celle inférieure, et trois contacts de commutation qui sont activés par pression respective en cas de déplacement du corps vers l’avant ou l’arrière ou de pression vers le bas. La touche multifonction comprend également un corps de clavier formé avec un logement destiné à recevoir la touche.
PCT/KR2006/003925 2005-09-29 2006-09-29 Touche multifonction de clavier WO2007037651A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20050091135 2005-09-29
KR10-2005-0091135 2005-09-29
KR10-2005-0098268 2005-10-18
KR1020050098268A KR20070036544A (ko) 2005-09-29 2005-10-18 키패드용 다중 키 버튼

Publications (1)

Publication Number Publication Date
WO2007037651A1 true WO2007037651A1 (fr) 2007-04-05

Family

ID=37900017

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2006/003925 WO2007037651A1 (fr) 2005-09-29 2006-09-29 Touche multifonction de clavier

Country Status (1)

Country Link
WO (1) WO2007037651A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0482420A1 (fr) * 1990-10-26 1992-04-29 Cherry Mikroschalter GmbH Dispositif de curseur avec remise à zéro
EP0556936A2 (fr) * 1985-01-02 1993-08-25 Altra Commande de curseur photo-électrique
US5327162A (en) * 1992-03-17 1994-07-05 Alps Electric Co., Ltd. X-y direction input device
EP0854413A2 (fr) * 1997-01-20 1998-07-22 Sharp Kabushiki Kaisha Dispositif d'entrée
WO2001061637A1 (fr) * 2000-02-18 2001-08-23 Ziad Badarneh Dispositif de commande
KR20030044432A (ko) * 2001-11-30 2003-06-09 김여일 소형 키패드용 키버튼의 3분할 사용 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0556936A2 (fr) * 1985-01-02 1993-08-25 Altra Commande de curseur photo-électrique
EP0482420A1 (fr) * 1990-10-26 1992-04-29 Cherry Mikroschalter GmbH Dispositif de curseur avec remise à zéro
US5327162A (en) * 1992-03-17 1994-07-05 Alps Electric Co., Ltd. X-y direction input device
EP0854413A2 (fr) * 1997-01-20 1998-07-22 Sharp Kabushiki Kaisha Dispositif d'entrée
WO2001061637A1 (fr) * 2000-02-18 2001-08-23 Ziad Badarneh Dispositif de commande
KR20030044432A (ko) * 2001-11-30 2003-06-09 김여일 소형 키패드용 키버튼의 3분할 사용 방법

Similar Documents

Publication Publication Date Title
JP3314276B2 (ja) 回路板へのデータ又は信号入力用のマルチ状態マルチ機能キー及びキーボード
US5612690A (en) Compact keypad system and method
US6677541B1 (en) Keyboard and key and telephone apparatus with such a keyboard
US4096364A (en) Keyboard switch assembly having flexible contact layer with snap initiator dome
US20100321298A1 (en) Keyboard and touchpad combination
JP2005242983A (ja) 入力キー及び入力装置
US7928963B2 (en) Input device
JP2000165499A (ja) 携帯電話機およびそれへの文字入力方法
WO2005064804A1 (fr) Appareil d'entree de donnees et procede d'entree de donnees faisant appel a cet appareil
KR100997583B1 (ko) 다기능 키 조립체
JPH0426727B2 (fr)
JP2014082099A (ja) キーボード
WO2007037651A1 (fr) Touche multifonction de clavier
CN216980418U (zh) 按键
JP2001135193A (ja) 高感度多方向ロッカー・ボタン付キーパッド
JP2000035849A (ja) キーボード
CN101308403A (zh) 输入装置
KR20070036544A (ko) 키패드용 다중 키 버튼
KR20010107477A (ko) 문자 또는 숫자의 입력이 가능한 조이스틱
KR20020078326A (ko) 다접점스위치를 이용한 문자입력장치 및 다접점스위치의문자배열방법
CN107887186A (zh) 按键
KR100735146B1 (ko) 측면 입력 버튼을 구비한 휴대단말기
KR20040089437A (ko) 문자 입력 방법 및 장치
KR100625454B1 (ko) 복수의 스위칭 접점부를 갖는 돔스위치 및 이를 포함하는이동통신 단말기
CN101253590A (zh) 多功能键组件

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC

122 Ep: pct application non-entry in european phase

Ref document number: 06799008

Country of ref document: EP

Kind code of ref document: A1