KR100292347B1 - Method for calibrating touch screen panel - Google Patents

Method for calibrating touch screen panel Download PDF

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KR100292347B1
KR100292347B1 KR1019970068344A KR19970068344A KR100292347B1 KR 100292347 B1 KR100292347 B1 KR 100292347B1 KR 1019970068344 A KR1019970068344 A KR 1019970068344A KR 19970068344 A KR19970068344 A KR 19970068344A KR 100292347 B1 KR100292347 B1 KR 100292347B1
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points
zero adjustment
touch screen
command
screen panel
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KR1019970068344A
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KR19990049405A (en
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강문석
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윤종용
삼성전자 주식회사
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    • 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
    • G06F3/03—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
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • 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
    • G06F3/03—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
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

PURPOSE: A zero adjustment method is provided to perform a zero adjustment on a touch screen pad of a smart phone or a PDA based on a zero adjustment command although a correctness degree of the touch screen pad is much reduced and it is difficult to input a zero adjustment command via the touch screen panel, so that it can enhance a reliability of the smart phone or the PDA. CONSTITUTION: The method comprises steps of a user selecting a mode for an zero adjustment of a touch screen panel via an input module(40), a CPU receiving the input zero adjustment mode select command and then transmitting the command to a data processor(42), the CPU displaying positions of reference points to be touched for the zero adjustment with a message of touching one more points on a screen by controlling a display(44), the user touching the displayed points on the screen according to the message, then the touched points being converted in coordinate data and the coordinate data being transmitted to the CPU(46), and the CPU calculating touch errors by comparing the touched points with reference points, storing the calculated data, and recognizing real coordinates by adding the touch errors to the touched points whenever the user touches points on the touch screen panel(48).

Description

터치스크린패널의 영점조정 방법{Method for calibrating touch screen panel}Zero method of touch screen panel {Method for calibrating touch screen panel}

본 발명은 스마트폰에 관한 것으로서, 특히 스마트폰에서 터치스크린패널의 영점조정을 행하는 방법에 관한 것이다.The present invention relates to a smartphone, and more particularly, to a method of performing zero adjustment of a touch screen panel in a smartphone.

스마트폰이란 휴대용 데이터처리장치(Personal Digital Assistant:이하 "PDA"라 함)와 이동전화기가 일체화되어진 데이터처리장치 겸용 통신장치를 말하는데, 이와같은 스마트폰의 사용자는 원격지에 있는 상대방과 통화를 할 수 있을 뿐만 아니라, 전화번호나 메모 등의 데이터를 기억시켰다가 접근할 수도 있고, 간단한 컴퓨팅을 행하거나 소프트웨어를 실행할 수도 있다.A smartphone is a data processing device combined communication device in which a portable digital assistant (PDA) and a mobile phone are integrated. A user of such a smartphone can talk to a remote party. In addition, data such as telephone numbers and memos can be stored and accessed, and simple computing or software can be executed.

도 1은 현재 제안되고 있는 스마트폰의 개략적 블록도로서, 상기 스마트폰은 크게 데이터 처리부(10)와 통신부(20)를 포함한다.1 is a schematic block diagram of a smartphone that is currently proposed, and the smartphone includes a data processor 10 and a communication unit 20.

데이터 처리부(10)는 PDA 기능을 수행하는 부분으로서, 명령을 입력하는 입력부(16)와, 상기 입력된 명령의 수행을 위한 계산 등의 처리기능을 하는 중앙처리부(12)와, 명령 처리 결과와 안내 메시지 등을 표시해주는 표시부(14)와, 통신부(20)에 데이터를 송신하거나 이로부터 데이터를 수신하는 통신접속부(18)를 포함한다.The data processing unit 10 is a portion for performing a PDA function, an input unit 16 for inputting a command, a central processing unit 12 for processing functions such as a calculation for execution of the input command, a command processing result and A display unit 14 for displaying a guide message and the like, and a communication connection unit 18 for transmitting data to or receiving data from the communication unit 20.

상기 통신부(20)는 이동전화기 기능을 수행하는 부분으로서, 사용자의 음성을 전기적 신호로 변환하고 또한 수신된 통화 상대방의 음성 신호를 사용자가 들을 수 있게 해주는 송수화부(24)와, 상기 송수화부로부터 출력되는 신호를 변조하고 또한 안테나를 통해 수신된 신호를 복조하는 RF부(22)와, 통화 상대방의 전화번호 등을 입력하기 위한 입력부(30)와, 상대방의 전화 번호 및 안내 메시지 등을 표시해주는 표시부(28)와, 상기 데이터처리부(10)에 데이터를 송신하거나 이로부터 데이터를 수신하는 데이터접속부(32)를 포함한다.The communication unit 20 is a part of performing a mobile phone function, and converts a user's voice into an electrical signal and allows the user to listen to the received voice signal of the other party, and from the handset. The RF unit 22 modulates the output signal and demodulates the signal received through the antenna, the input unit 30 for inputting the telephone number of the other party, and displays the other party's telephone number and guide message. A display unit 28 and a data connection unit 32 for transmitting data to or receiving data from the data processing unit 10.

또한, 중앙처리부(26)는 통신부(20) 내의 모든 구성요소의 동작을 제어하고, 통화 상대방과 데이터 통신을 하는 경우에는 상기 RF부(22)와 데이터 접속부(32) 사이에 직접 데이터를 중계한다.In addition, the central processing unit 26 controls the operation of all the components in the communication unit 20, and in case of data communication with the call counterpart, relays data directly between the RF unit 22 and the data connection unit 32. .

한편, 상기 통신부(20)의 표시부(28)를 별도로 마련되지 않고 데이터처리부(10)의 표시부(14)만으로 그 기능을 수행하게 할 수도 있다.Meanwhile, the display unit 28 of the communication unit 20 may not be provided separately, but may perform the function only by the display unit 14 of the data processing unit 10.

상기 데이터처리부(10)에 있어서, 상기 표시부(14) 및 입력부(16)는 통상 액정 표시 패널과 터치 스크린 패널(Touch Screen Panel: TSP)을 사용하여 각각 구현된다.In the data processor 10, the display unit 14 and the input unit 16 are typically implemented using a liquid crystal display panel and a touch screen panel (TSP).

상기 스마트폰과 같이 유저 인터페이스로서 TSP를 사용하는 시스템에서는 일반적으로 시간이 경과함에 따라 터치의 정확도가 점점 감소하게 되고, TSP를 새로이 영점조정하는 것이 필요하게 된다. 종래의 TSP 영점조정 방법은 TSP를 사용하여 영점조정 명령을 입력하고 영점조정 루틴을 수행하는 것인데, 만약 TSP의 정확도가 크게 감소된 경우에는 상기 영점조정 명령을 입력하는 것조차 어렵게 된다.In a system using a TSP as a user interface, such as a smartphone, the accuracy of a touch generally decreases with time, and it is necessary to newly zero the TSP. The conventional TSP zeroing method uses a TSP to input a zeroing command and performs a zeroing routine. If the accuracy of the TSP is greatly reduced, it is difficult to input the zeroing command.

본 발명은 상기 문제점을 해결하기 위한 것으로서, 스마트폰에서 TSP의 정확도가 크게 감소되어 TSP를 통해 영점조정 명령을 입력하는 것이 어렵게 된 경우에도, 영점조정 명령을 입력하여 TSP의 영점조정을 수행하는 방법을 제공하는 것을 기술적 과제로 한다.The present invention is to solve the above problems, even when the accuracy of the TSP in the smart phone is greatly reduced, it is difficult to input the zero adjustment command through the TSP, a method for performing the zero adjustment of the TSP by inputting the zero adjustment command To provide a technical problem.

도 1은 본 발명의 방법이 적용되는 스마트폰의 블록도.1 is a block diagram of a smartphone to which the method of the present invention is applied.

도 2는 본 발명에 의한 터치스크린패널의 영점조정 방법의 일 실시예를 보여주는 흐름도.2 is a flowchart showing an embodiment of a zero point adjusting method of a touch screen panel according to the present invention;

도 3은 도 1의 데이터처리부 표시부상에 영점조정을 위한 안내 메시지가 표시되는 일예를 보여주는 도면.3 is a diagram illustrating an example in which a guide message for zero adjustment is displayed on a data processor display unit of FIG. 1;

본 발명에 있어서, 터치 스크린 패널(TSP)의 영점조정 모드 선택 명령은 통신부의 입력부 키패드를 통해 입력된다. 영점조정 모드 선택 명령이 입력되면, 영점조정 명령이 통신부로부터 데이터 처리부로 전달된다. 그다음 상기 데이터 처리부 내에서 상기 영점조정 명령이 실행된다.In the present invention, the zero point mode selection command of the touch screen panel (TSP) is input through an input unit keypad of the communication unit. When the zero adjustment mode selection command is input, the zero adjustment command is transmitted from the communication unit to the data processing unit. The zero adjustment command is then executed in the data processing section.

상기 영점조정 명령의 실행에 있어서는, 먼저 터치 스크린 패널 상에 있는 한 개 이상의 점을 터치하라는 메시지와 함께 상기 한 개 이상의 점의 위치가 LCD 패널에 표시된다. 상기 메시지가 표시되면, 사용자는 상기 한 개 이상의 점을 터치하게 된다. 마지막으로 상기 표시된 점과 터치된 위치의 차이가 오차로서 구해지고 보상이 된다.In executing the zero adjustment command, the position of the one or more points is first displayed on the LCD panel together with a message to touch one or more points on the touch screen panel. When the message is displayed, the user touches the one or more points. Finally, the difference between the displayed point and the touched position is obtained as an error and compensated.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 보다 상세하게 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

도 2는 본 발명에 의한 TSP의 영점조정 방법을 보여주는 흐름도이다.2 is a flowchart illustrating a zero point adjusting method of a TSP according to the present invention.

TSP의 영점조정을 행하고자 하는 경우, 사용자는 통신부(20)의 입력부(30)를 통하여 TSP 영점조정을 위한 모드를 선택한다(40단계). 상기 입력부(30)는 키패드 형태로 되어 있으며, 상기 모드 선택 명령의 구체적인 형태는 키패드의 형태에 따라 달라진다. 본 발명의 바람직한 실시예는 키패드가 숫자키와 아울러 문자키를 구비하고 있는 것을 전제로 하는데, 이 경우 모드 선택 명령은 해당 명령어를 타이핑함으로써 입력된다. 한편, 키패드가 숫자키만으로 되어 있는 경우, 모드 선택 명령은 소정의 숫자 조합에 의해 입력된다.If the zero point of the TSP is to be adjusted, the user selects a mode for the zero point TSP adjustment through the input unit 30 of the communication unit 20 (step 40). The input unit 30 is in the form of a keypad, and the specific form of the mode selection command depends on the form of the keypad. The preferred embodiment of the present invention assumes that the keypad is provided with a numeric key as well as a numeric key, in which case the mode selection command is input by typing the corresponding command. On the other hand, when the keypad is composed of only numeric keys, the mode selection command is input by a predetermined number combination.

입력된 영점조정 모드 선택 명령은 통신부(20)의 중앙처리부(26)로 전달되고, 상기 중앙처리부(26)는 이에 응답하여 영점조정 명령을 데이터접속부(32)를 통해 데이터처리부(10)로 전송한다(42단계).The input zero adjustment mode selection command is transmitted to the central processing unit 26 of the communication unit 20, and the central processing unit 26 transmits the zero adjustment command to the data processing unit 10 through the data connection unit 32 in response thereto. (Step 42).

데이터처리부(10)에 있어서, 통신접속부(18)를 통해 전송된 영점조정 명령은 중앙처리부(12)에 입력되며, 이에 응답하여 상기 중앙처리부(12)는 그 내부에 저장되어 있는 영점조정 루틴을 실행한다. 이를 상술하면 다음과 같다.In the data processing unit 10, a zero adjustment command transmitted through the communication connection unit 18 is input to the central processing unit 12, and in response, the central processing unit 12 executes a zero adjustment routine stored therein. Run This will be described below.

중앙처리부(12)는 표시부(14)를 제어하여, 터치 스크린 패널 상에 있는 한 개 이상의 점을 터치하라는 메시지와 함께 상기 터치할 기준점의 위치가표시부(14) 상에 표시되게 한다(44단계). 이때 영점조정이 정확하게 행해질 수 있도록 하기 위해 터치할 기준점의 개수는 2 개 이상인 것이 바람직한데, 4개의 점을 터치하게 하는 경우의 안내 메시지의 일예가 도 3에 도시되어 있다. 그렇지만, 본 발명은 이에 한정되는 것은 아니고, 단 하나의 기준점만을 터치하게 하는 것도 가능하다.The central processing unit 12 controls the display unit 14 to display the position of the reference point to be touched on the display unit 14 together with a message to touch one or more points on the touch screen panel (step 44). . In this case, the number of reference points to be touched is preferably two or more so that the zero adjustment can be accurately performed. An example of a guide message when four points are touched is illustrated in FIG. 3. However, the present invention is not limited thereto, and only one reference point may be touched.

46단계에서, 사용자는 상기 메시지에 따라 표시된 점을 터치하게 된다. 이때 터치된 점의 위치는 입력부(16)에서 좌표로 변환되어 중앙처리부(12)로 전달된다. 중앙처리부(12)는 기준점과 터치된 점의 좌표 차를 계산함으로써 터치 오차를 구하고, 이 값을 내부의 기억장치(도시되지 않음)에 기억시킨다. 그리고 이후에 TSP 상의 점들이 터치될 때마다 터치된 점의 좌표에 상기 터치 오차값을 가산한 값을 터치된 점의 실제 좌표로 인식하게 된다(48단계).In step 46, the user touches the displayed point according to the message. At this time, the position of the touched point is converted into coordinates in the input unit 16 and transmitted to the central processing unit 12. The central processing unit 12 calculates the touch error by calculating the coordinate difference between the reference point and the touched point, and stores this value in an internal storage device (not shown). Then, whenever the points on the TSP are touched, the value obtained by adding the touch error value to the coordinates of the touched point is recognized as the actual coordinates of the touched point (step 48).

상술한 바와 같은 본 발명의 TSP 영점조정 방법에 따르면, 스마트폰에서 TSP의 정확도가 크게 감소되어 TSP를 통해 영점조정 명령을 입력하는 것이 어렵게 된 경우에도, 영점조정 명령을 입력하여 TSP의 영점조정을 수행하는 것이 가능해지고, 이에 따라 제품의 신뢰성이 높아지는 효과가 있다.According to the TSP zero adjustment method of the present invention as described above, even if the accuracy of the TSP is greatly reduced in the smart phone, and it becomes difficult to input the zero adjustment command through the TSP, zero adjustment of the TSP is input by inputting the zero adjustment command. It becomes possible to perform, thereby increasing the reliability of the product.

Claims (1)

휴대용 데이터처리장치 기능을 수행하는 데이터 처리부와 이동전화기의 기능을 수행하는 통신부를 구비하고, 상기 통신부는 전화번호를 입력하기 위한 키패드입력부를 구비한 스마트폰에 있어서,In a smart phone having a data processing unit performing a portable data processing device function and a communication unit performing a function of a mobile phone, the communication unit having a keypad input unit for inputting a telephone number, (a) 상기 키패드 입력부를 사용하여 터치 스크린 패널에 대한 영점조정 모드 선택 명령을 입력하는 단계;(a) inputting a zero mode selection command for a touch screen panel using the keypad input unit; (b) 영점조정 명령이 상기 데이터 처리부로 전달되도록 하는 단계; 및(b) causing a zeroing command to be sent to the data processor; And (c) 상기 터치 스크린 패널 상에 있는 한 개 이상의 점을 터치하라는 메시지와 함께 상기 한 개 이상의 점의 위치가 LCD 패널에 표시되게 하는 단계;(c) causing the position of the one or more points to be displayed on an LCD panel with a message to touch one or more points on the touch screen panel; (d) 상기 메시지에 따라 상기 한 개 이상의 점을 터치하는 단계; 및(d) touching the one or more points according to the message; And (e) 상기 (c)단계에서 표시된 점과 상기 (d)단계에서 터치된 위치의 차이를 계산하여 오차를 구하고 상기 오차를 보상하는 단계를 포함하는 터치 스크린 패널의 영점조정 방법.(e) calculating a difference between the point displayed in step (c) and the touched position in step (d) to obtain an error and compensating for the error.
KR1019970068344A 1997-12-12 1997-12-12 Method for calibrating touch screen panel KR100292347B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100408038B1 (en) * 2001-04-12 2003-12-03 엘지전자 주식회사 Zero-point adjustment method for touch screen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635608A (en) * 1992-05-29 1994-02-10 Sony Tektronix Corp Coordinate transformation method for touch panel device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635608A (en) * 1992-05-29 1994-02-10 Sony Tektronix Corp Coordinate transformation method for touch panel device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100408038B1 (en) * 2001-04-12 2003-12-03 엘지전자 주식회사 Zero-point adjustment method for touch screen

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