KR20030083768A - A portable keyboard - Google Patents

A portable keyboard Download PDF

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Publication number
KR20030083768A
KR20030083768A KR1020020021929A KR20020021929A KR20030083768A KR 20030083768 A KR20030083768 A KR 20030083768A KR 1020020021929 A KR1020020021929 A KR 1020020021929A KR 20020021929 A KR20020021929 A KR 20020021929A KR 20030083768 A KR20030083768 A KR 20030083768A
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KR
South Korea
Prior art keywords
keyboard
key input
input unit
control unit
mobile device
Prior art date
Application number
KR1020020021929A
Other languages
Korean (ko)
Inventor
김영진
Original Assignee
(주)티오디
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Application filed by (주)티오디 filed Critical (주)티오디
Priority to KR1020020021929A priority Critical patent/KR20030083768A/en
Publication of KR20030083768A publication Critical patent/KR20030083768A/en

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Classifications

    • 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
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/0221—Arrangements for reducing keyboard size for transport or storage, e.g. foldable keyboards, keyboards with collapsible keys
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard
    • G06F1/1666—Arrangements for reducing the size of the integrated keyboard for transport, e.g. foldable keyboards, keyboards with collapsible keys
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1662—Details related to the integrated keyboard
    • G06F1/1669—Detachable keyboards
    • 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
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • G06F3/0224—Key guide holders

Abstract

PURPOSE: A keyboard for a portable device is provided to protect a control circuit mounted in a keyboard in a carrying operation, facilitate a carrying operation, and put a portable device stably. CONSTITUTION: A user inputs a key through a typing using a key input unit(10). A control unit(20) receives an input signal being created in the key input unit(10) and transmits the input signal to a portable device. The key input unit(10) is manufactured by soft material such as silicone or rubber. The control unit(20) is manufactured by hard material such as plastics for enduring an external impact. The lower portion(11b) of the key input unit(10) includes a film type PCB circuit unit. The lower portion(11b) is connected with the upper portion(11a) of the key input unit(10) using a silicone glue. Thus, a strong adhesion is created between an operating surface and a keyboard, and a slide is prevented when the keyboard is used. A soft circuit separating space(12b) is inserted between the upper portion(12a) and the lower portion(12c) of a PCB circuit. When a key is inputted, a PCB circuit film of the upper portion(12a) descends, the PCB circuit film is contacted with a PCB circuit film formed at the lower portion, and a signal is transmitted to the control unit(20).

Description

휴대기기용 키보드{A portable keyboard}Keyboard for mobile devices {A portable keyboard}

본 발명은 휴대기기용 키보드에 관한 것으로써, 더욱 상세하게는 휴대시에 키보드 내에 설치된 제어회로를 보호함과 동시에 휴대가 용이하며, 휴대기기의 안정된 거치가 가능한 휴대기기용 키보드에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a keyboard for a portable device, and more particularly, to a keyboard for a portable device, which is easy to carry and protects a control circuit installed in the keyboard when carrying.

근래들어 무선 인터넷의 급속한 보급으로 상기 휴대기기를 통한 무선 인터넷 서비스가 활발히 추진보급됨에 따라, 휴대기기에 구비된 키보드는 단순히 전화번호를 입력하는 수단에서 복합적인 문자를 비롯하여 각종 이미지등 입력하는 수단으로 사용되고 있는 실정으로 그 사용빈도 또한 점점 증가하고 있다.In recent years, due to the rapid spread of the wireless Internet, the wireless Internet service through the mobile device is actively promoted and distributed, the keyboard provided in the mobile device is a means for simply inputting a phone number, a means for inputting various characters including various characters, etc. As it is being used, the frequency of use is also increasing.

이러한, 현 시점에서 사용자들은 내충격성이 우수하고, 타이핑이 편리하고, 휴대가 용이한 키보드를 요하게 된다.At this point in time, users need a keyboard that is excellent in impact resistance, easy to type, and easy to carry.

종래에 선출원된 기술로는 무선 인터넷 키보드장치(출원번호:10-2001-0017194)와 본출원인이 선출원한 두루말이 키보드(공개번호:10-2000-0063941)가 있다.Conventionally applied technologies include a wireless Internet keyboard device (application number: 10-2001-0017194) and a scrolling keyboard (public application number: 10-2000-0063941) filed by the present applicant.

상기 전자의 경우, 키보드의 표면재질을 플라스틱등과 같은 경질재료를 사용함에 따라 키보드내에 설치된 제어회로를 보호할 수 있다는 이점은 있으나, 키보드를 두 부분으로 분할하여 흰지를 통해 상호 연설하여 서로 접힐 수 있도록 설계함에 따라, 휴대시에 키보드 그 자체부피가 비대해져 소형화를 통한 휴대성을 갖추지 못하였다.In the former case, the surface material of the keyboard can be used to protect the control circuit installed in the keyboard by using a hard material such as plastic. However, the keyboard can be folded into two parts by speaking each other through white paper. As a result, the volume of the keyboard itself was enlarged when carrying, and thus the portability through miniaturization was not provided.

또한, 본 출원인이 출원한 후자의 경우, 키보드의 표면재질을 실리콘과 같은 유연성재질로 제작한 두루말이 형태의 간편하게 휴대하고 다닐 수 있는 두루말이 키보드이다. 상기 문제점으로 지적되었던 휴대의 비용이성은 극복하였으나, 그 표면재질이 연질로 제작되어 반복적으로 플라스틱기판으로 제작된 제어부에 외력이 가해짐에 따라 키보드내에 설치된 제어부가 파손될 가능성이 있고, 휴대기기를 거치할 수 있는 거치대가 구비되지 않아 휴대기기에 액정표시창에 나타난 색깔 및 이미지들이 변색되게 보이는 등 사용상 불편함들이 지적될 수 있다.In addition, in the latter case filed by the present applicant, the scroll is a keyboard that can be easily carried in the form of a scroll made of a flexible material such as silicone. The cost-effectiveness of the portable device, which has been pointed out as the above-mentioned problem, has been overcome, but as the surface material is made of soft material and the external force is repeatedly applied to the controller made of a plastic substrate, the controller installed in the keyboard may be damaged, Since a cradle is not provided, discomfort in use may be pointed out such as discoloration of colors and images displayed on a liquid crystal display in a mobile device.

본 발명의 목적은, 휴대시에 키보드 내에 설치된 제어회로를 보호함과 동시에 휴대가 용이하며, 휴대기기의 안정된 거치가 가능한 휴대기기용 키보드를 제공함에 있다.SUMMARY OF THE INVENTION An object of the present invention is to provide a keyboard for a portable device, which is easy to carry and protects a control circuit installed in the keyboard at the time of carrying, and which can stably mount the portable device.

상기 목적을 달성하기 위해 본 발명은 사용자가 타이핑을 통해 키를 입력하는 키 입력부와 상기 키 입력부에서 생성되는 입력신호를 수신하여 휴대기기로 전송하는 역활을 수행하는 제어부로 구성되며, 상기 키입력부는 실리콘, 고무등과 같은 연질의 재질로 제작하되, 제어부는 플라스틱등과 같은 내충격성이 있는 경질의 재질로 제작하게 된다. 또한, 휴대기기의 안정된 거치가 가능토록 거치대를 형성하게 된다.In order to achieve the above object, the present invention includes a key input unit for a user to input a key through typing, and a control unit for receiving an input signal generated by the key input unit and transmitting the input signal to a mobile device. It is made of soft material such as silicone, rubber, etc., but the control unit is made of hard material having impact resistance such as plastic. In addition, it is possible to form a cradle so that the stable mounting of the portable device.

도 1은 본 발명에 따른 일 실시예의 전체구성도.1 is an overall configuration of an embodiment according to the present invention.

도 2는 도 1의 분해사시도.Figure 2 is an exploded perspective view of Figure 1;

도 3 의 (가)는 본 발명의 일 실시예에 따른 제어부의 평면구성도이고,3 (a) is a plan configuration diagram of a control unit according to an embodiment of the present invention,

(나)는 휴대기기를 안착한 사용상태도.(B) is the use status of the mobile device.

도 4 본 발명의 키 입력부와 제어부의 결합상태도.4 is a state diagram of the combination of the key input unit and the control unit of the present invention.

이하, 첨부된 도면을 참조하여 본 발명에 따른 휴대기기용 키보드를 상세히 설명한다.Hereinafter, a keyboard for a mobile device according to the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 외형을 나타낸 전체구성도로서 도 1 및 도 2를 참조하여 본 발명을 살펴보면 다음과 같다.1 is a view showing the overall configuration of the present invention with reference to FIGS. 1 and 2 as follows.

본 발명은 크게 사용자가 타이핑을 통해 키를 입력하는 키 입력부(10)와 상기 키 입력부에서 생성되는 입력신호를 수신하여 휴대기기로 전송하는 역활을 수행하는 제어부(20)로 구성되며, 상기 키입력부(10)는 실리콘, 고무등과 같은 연질의 재질로 제작하되, 제어부(20)는 플라스틱등과 같은 외부충격에 견딜 수 있는 경질의 재질로 제작하게 된다.The present invention is largely composed of a key input unit 10 for the user to input a key through typing and a control unit 20 for receiving the input signal generated by the key input unit and transmits it to the mobile device, the key input unit 10 is made of a soft material such as silicon, rubber, etc., the control unit 20 is made of a hard material that can withstand external shocks, such as plastic.

상기 키 입력부(10)는 도 2와 같이 외형을 연질의 실리콘수지로 성형되며, 상체부의 자판키는 종래의 자판 배열형태대로 일체로 형성되도록 성형하고, 하체부는 필름형 PCB회로부를 내장한 후 상체부(11a)와 하체부(11b)는 실리콘 접착제로 결착되도록 구성되어 사용시 작업면과 키보드사이에 강한 밀착력을 제공함에 따라 미끄러짐을 방지할 수 있다.The key input unit 10 is molded in a soft silicone resin, as shown in Figure 2, the upper part of the keyboard key is molded to be formed integrally in the form of a conventional keyboard layout, the lower part is built in the film-type PCB circuit unit and the upper body The part 11a and the lower part 11b are configured to be bound by a silicone adhesive, thereby providing a strong adhesion between the working surface and the keyboard during use, thereby preventing slippage.

상기 키보드의 상체부(11a)는 실리콘수지, 고무 등과 같은 연질의 소재로 하여 종래의 자판배열 형태대로 성형하되, 문자키, 숫자키, 기능키 등의 자판위치에 대한 표시는 실리콘수지재로 형성되어 있는 각 자판상에 실크인쇄를 통해 표시된다.The upper body portion 11a of the keyboard is made of a soft material such as silicone resin, rubber, and the like, and is molded in the form of a conventional keyboard, and the display of keyboard positions such as letter keys, numeric keys, and function keys is made of silicone resin material. Each print is marked with silk print.

상기 PCB회로(12)는 키보드상에 배열된 자판에 의해 입력되는 정보를 제어부로 전송하는 역활을 수행하며, 기존의 공지된 PCB회로를 그대로 사용하고 연성의 기판인 탄력적 특성으로 인해 키보드를 두루말이형태로 변형하더라도 아무런 문제가 발생되지 않는다.The PCB circuit 12 performs the role of transmitting the information input by the keyboard arranged on the keyboard to the control unit, using the existing known PCB circuit as it is, and due to the flexible nature of the flexible substrate keyboard form No problem occurs even if you transform it to.

본 발명에서는 일 실시예로서 상기 PCB회로를 연질의 상부(12a)와 하부(12c)는 PCB회로필름으로 구성하고, 상기 PCB회로필름(12) 사이에는 연질의 회로분리용스페이스(12b)가 삽입토록 하였다.In one embodiment of the present invention, the upper and lower portions 12a and 12c of the PCB circuit are composed of a PCB circuit film, and a flexible circuit separation space 12b is inserted between the PCB circuit films 12. It was forever.

이로 인해, 도 2에서 도시한 임의의 키를 누르게 되면, 상부(12a)의 PCB회로 필름이 하강하여, 상기 하부에 형성된 PCB회로필름과 접점을 이루게 되어 제어부(20)로 신호를 전해주게 되는 것이다.Therefore, when any key shown in Figure 2 is pressed, the PCB circuit film of the upper portion 12a is lowered, making contact with the PCB circuit film formed on the lower portion to transmit a signal to the controller 20. .

상기 하체부(11b)는 상기 상체부(11a)와 동일하게 고무, 실리콘수지와 같은 유연성수지를 소재로 하여 상기 상체부와 실리콘접착제를 통해 견고히 결착되며, 일측에 체결고리(13)를 형성하여 제어부(20)와 견고히 결합된다.The lower body portion 11b is made of a flexible resin such as rubber and silicone resin as the upper body portion 11a, and is firmly bound through the upper body portion and the silicone adhesive, and forms a fastening ring 13 at one side thereof. It is firmly coupled with the control unit 20.

도 3 의 (가)는 본 발명에 따른 제어부의 평면구성도이고, (나)는 휴대기기를 안착한 사용상태도로서 도 2 내지 도 3을 참조하여 제어부를 설명한다.FIG. 3A is a plan view of the control unit according to the present invention, and FIG. 3B is a state diagram in which a portable device is mounted. The control unit will be described with reference to FIGS.

상기 키 입력부와 연설된 제어부(20)는 제어부를 감싸고 있는 플라스틱으로 제작된 상,하 케이스(21a,21b)와 상기 케이스내에 설치되어 키입력부(10)에서 전송된 신호를 판독하여 휴대기기에 제공하는 제어회로(22)와 휴대기기와 본 장치를 연결하는 커넥터(23)로 구성되며, 상기 상,하 케이스(21a,21b)의 결합은 도 4와 같이 상, 하 케이스간에 대칭되게 체결공(26) 또는 체결너트홈(26)을 형성하여 체결볼트(미도시)를 통해 견고히 결합되는 것이다.The control unit 20 spoken with the key input unit is provided in the upper and lower cases 21a and 21b made of plastic surrounding the control unit and the case, and reads a signal transmitted from the key input unit 10 to provide to the mobile device. Consists of a control circuit 22 and a connector 23 for connecting the mobile device and the device, the coupling of the upper and lower cases (21a, 21b) is fastened symmetrically between the upper and lower cases as shown in FIG. 26) or to form a fastening nut groove 26 is to be firmly coupled through a fastening bolt (not shown).

도 4 본 발명의 일 실시예에 따른 키 입력부와 제어부의 결합상태를 나타낸 것이다.4 illustrates a combined state of a key input unit and a control unit according to an embodiment of the present invention.

상기와 같이 구성된 연질의 키 입력부(10)와 플라스틱재질의 경질의제어부(20)는 접착제를 통해 결합되는 방식, 단턱을 형성하여 결합하는 방식 등 다양한 방식의 적용이 가능하며, 본 발명에서는 일 실시예로서 상기 키입력부(10)의 하체부(11b)의 일측에 형성된 체결고리(13)를 통해 제어부(20)와 나사결합을 통해 견고히 결합된다.The soft key input unit 10 and the hard control unit 20 made of a plastic material configured as described above may be applied in various ways such as a method of coupling through an adhesive or a method of forming a stepped step. For example, the fastening ring 13 formed on one side of the lower body part 11b of the key input unit 10 is firmly coupled to the control unit 20 through screwing.

이로 인해, 사용시 제어부(20)와 키 입력부(10)로 구성된 휴대기기용 키보드를 펴서 휴대기기를 설치하여 사용자는 안정되게 타이핑이 가능하고, 이동시 제어부를 기준으로하여 연질의 키 입력부(10)를 감아 두루말이 형태로 휴대가 가능하며, 또한 전자회로가 내장된 제어부(20)를 내충격성이 뛰어난 플라스틱의 케이스(21a,21b)를 통해 보호할 수 있는 것이다.For this reason, the user can stably type the mobile device by installing the mobile device by spreading the keyboard for the mobile device including the control unit 20 and the key input unit 10 during use, and use the soft key input unit 10 based on the control unit when moving. It can be rolled up and rolled up, and it can protect the control part 20 with an electronic circuit through the case 21a, 21b of the outstanding impact resistance plastic.

한편, 통상에 휴대기기에 사용되는 액정표시창은 그 특성상 가시각 범위를 벗어나게 되면 화면색깔이 변색되게 보이게 되어 화면내용의 식별이 어렵게 되는데, 이를 방지함과 동시에 휴대기기의 안정된 거치가 가능토록 거치대를 형성한다.On the other hand, the liquid crystal display window commonly used in portable devices is difficult to identify the screen contents because the color of the screen appears discolored when it is out of the viewing angle range, which prevents it and at the same time forms a cradle for stable mounting of the mobile device. do.

상기 거치대(24)는 합성수지재질로 제작된 평판형태로서 제어부(20)의 상체부(21a)에 양측에 형성된 흰지(24a)를 통해 연설되며, 이로 인해 상기 거치대(24)는 외형이 접히도록 설계되어 있어서 이동시에 불편함이 없고, 사용시에는 거치대(24)를 세워 상기 거치대(24)의 상단에 휴대기기를 안착하여 사용하게 된다.The cradle 24 is a flat plate made of a synthetic resin material is spoken through the white paper (24a) formed on both sides to the upper body portion (21a) of the control unit 20, thereby the cradle 24 is designed to be folded in appearance There is no discomfort during movement, and when in use, a cradle 24 is set up to use a mobile device seated on top of the cradle 24.

그러나, 본 발명에 따른 휴대기기용 키보드는 가볍기 때문에 그에 비해 무거운 휴대기기를 안착시켰을 경우, 상기 휴대기기의 무게중심이 키보드의 외측에 형성되게 되면 넘어지는 경우가 발생 할 소지가 있다.However, since the keyboard for a portable device according to the present invention is light, when a heavy portable device is mounted thereon, the weight of the portable device may fall if the center of gravity of the portable device is formed on the outside of the keyboard.

이를 방지코자, 상기 거치대의 후면에 흰지(25a)를 통해 연설된 지지대(25)를 형성하여 안정되게 고정시키게 된다.To prevent this, to form a support (25) addressed through the white paper (25a) on the rear of the holder is to be fixed stably.

본 발명에 따른 장치를 사용자가 휴대기기를 거치하여 사용시, 도 5와 같이 상기 거치대와 연설된 지지대(25)를 지면과 약 45°정도의 각도로 세우게 되면, 자연히 상기 거치대(24)는 지면과 약 135°의 각도를 이루도록 하여 휴대기기를 안정되게 거치할 수 있다.When the user uses the device according to the present invention by mounting the mobile device, as shown in FIG. 5, when the support stand 25 is erected at an angle of about 45 ° with the ground, the holder 24 is naturally connected to the ground. At an angle of about 135 °, the mobile device can be mounted stably.

이로 인해, 사용자는 상기와 같이 형성된 거치대에 휴대기기를 안치한 후, 하단에 형성된 커넥터(23)를 통해 휴대기기와 연설한 후, 사용자는 안정되게 타이핑을 할 수 있는 것이다.Therefore, after the user places the mobile device in the cradle formed as described above, the user speaks to the mobile device through the connector 23 formed at the bottom, and the user can stably type.

또한, 이동시 거치대가 제어부의 케이스에 안정되게 밀착/ 고정이 용이하도록 거치대의 말단에 걸림턱(24b)을 형성하여 거치대(24)와 케이스(21a, 21b)는 안정되게 밀착/ 고정되는 것이다.In addition, the cradle 24 is formed in the end of the cradle to easily securely adhere / fixed to the case of the control unit by moving the holder 24 and the case (21a, 21b) is to be stably in close contact / fixed.

본 발명은 키 입력부는 실리콘, 고무등과 같은 연질의 재질로 제작하고, 제어부는 플라스틱등과 같이 내충격성이 우수한 경질의 재질로 제작함으로서, 휴대시 두루말이 형태로 하여 이동함으로서 휴대가 용이할 뿐만아니라, 특히 제어부를 내 충격성이 우수한 단단한 재질로 제작함에 따라, 종래에 언급되었던 제어부의 손상을 방지할 수 있다.According to the present invention, the key input part is made of a soft material such as silicone, rubber, etc., and the control part is made of a hard material having excellent impact resistance, such as plastic, and is easy to carry by moving in the form of a scroll when carrying. In particular, since the control unit is made of a hard material having excellent impact resistance, damage to the control unit, which has been conventionally mentioned, can be prevented.

또한, 본 장치에 휴대기기를 안정되게 거치할 수 있는 거치대를 구비함에 따라, 통상에 휴대기기에 사용되는 액정표시창의 가시각 범위를 벗어나 화면색깔이 변색되게 보이는 것을 방지할 수 있다.In addition, by providing a cradle for stably mounting the mobile device to the device, it is possible to prevent the screen color from appearing out of the viewing angle range of the liquid crystal display window normally used in the mobile device.

Claims (3)

키를 입력하는 키 입력부와 상기 키 입력부에서 생성되는 입력신호를 수신하여 휴대기기에 전송하는 역활을 수행하는 제어부로 구성된 휴대기기용 키보드에 있어서,In the keyboard for a mobile device comprising a key input unit for inputting a key and a control unit for receiving an input signal generated by the key input unit and transmitting the input signal to the mobile device, 상기 키 입력부의 케이스는 실리콘, 고무등과 같은 연질의 재질로 구성하되, 제어부의 케이스는 플라스틱등과 같이 내충격성이 우수한 경질의 재질로 구성한 것을 특징으로 하는 휴대기기용 키보드.The case of the key input unit is made of a soft material such as silicone, rubber, etc., the case of the control unit is a keyboard for a mobile device, characterized in that made of a hard material excellent in impact resistance, such as plastic. 제 1항에 있어서, 휴대기기의 안정된 거치를 위해 제어부케이스 상에 거치대를 형성하는 것을 특징으로 하는 휴대기기용 키보드.The keyboard of claim 1, wherein a cradle is formed on the controller case for stable mounting of the mobile device. 제 1항 또는 2항 있어서, 거치대의 후면에 지지대를 형성하는 것을 특징으로 하는 휴대기기용 키보드.The keyboard for a mobile device according to claim 1 or 2, wherein a support is formed on the rear of the holder.
KR1020020021929A 2002-04-22 2002-04-22 A portable keyboard KR20030083768A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101155054B1 (en) * 2010-12-16 2012-06-11 주식회사 한빛티앤아이 Cradle for portable terminal
KR20200137416A (en) 2019-05-30 2020-12-09 최정태 Flexible touch input device, manufacturing method thereof, and flexible touch input device manufactured by the method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101155054B1 (en) * 2010-12-16 2012-06-11 주식회사 한빛티앤아이 Cradle for portable terminal
KR20200137416A (en) 2019-05-30 2020-12-09 최정태 Flexible touch input device, manufacturing method thereof, and flexible touch input device manufactured by the method

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