KR20020073045A - Apparatus for detecting door open/close of mobile phone - Google Patents

Apparatus for detecting door open/close of mobile phone Download PDF

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Publication number
KR20020073045A
KR20020073045A KR1020010013202A KR20010013202A KR20020073045A KR 20020073045 A KR20020073045 A KR 20020073045A KR 1020010013202 A KR1020010013202 A KR 1020010013202A KR 20010013202 A KR20010013202 A KR 20010013202A KR 20020073045 A KR20020073045 A KR 20020073045A
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KR
South Korea
Prior art keywords
cover
magnetic field
power
main body
permanent magnet
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KR1020010013202A
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Korean (ko)
Inventor
김민수
한상호
양승종
이대희
김광현
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엘지전자 주식회사
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Priority to KR1020010013202A priority Critical patent/KR20020073045A/en
Publication of KR20020073045A publication Critical patent/KR20020073045A/en

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    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0241—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings using relative motion of the body parts to change the operational status of the telephone set, e.g. switching on/off, answering incoming call
    • H04M1/0245—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings using relative motion of the body parts to change the operational status of the telephone set, e.g. switching on/off, answering incoming call using open/close detection
    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE: An apparatus for sensing the opening and closing of a door in a portable phone is provided to prevent that failure is generated by physical contact when repeatedly using the portable phone in a long term by sensing the strength of a magnetic field generated according to the position change of a permanent magnet in a hole sensor when a user opens and closes a cover and turning on/off a power. CONSTITUTION: A cover(13) is combined with an upper side of a body(11) by a hinge(12) to be capable of being opened and closed. A charge and discharge battery(14) is combined with a rear surface of the body(11) to be capable of attachment and detachment for supplying a power. A display unit(15) is installed on an internal side of the cover(13) for displaying various information such as numbers or characters. A plurality of button pads(16) are arranged on an upper surface of the body(11) for inputting information. A permanent magnet(21) is installed at an internal side of a lower end case of the cover(13), and a hole sensor(22) is installed at an internal side of an upper end case of the body(11) for sensing a magnetic field and turning on/off the power.

Description

휴대용 전화기의 도어개폐 감지장치{APPARATUS FOR DETECTING DOOR OPEN/CLOSE OF MOBILE PHONE}Door opening and closing detection device of mobile phone {APPARATUS FOR DETECTING DOOR OPEN / CLOSE OF MOBILE PHONE}

본 발명은 휴대용 전화기의 도어개폐 감지장치에 관한 것으로, 특히 장기간 반복사용시에도 개폐를 확실하게 인식할 수 있도록 하는데 적합한 휴대용 전화기의 도어개폐 감지장치에 관한 것이다.The present invention relates to a door open / close detection device of a portable phone, and more particularly, to a door open / close detection device of a portable phone suitable for enabling a reliable recognition of opening and closing even in long-term repeated use.

이동하며 전화통화를 할 수 있는 개인 휴대용 전화기는 덮개가 하측으로 개폐되는 플립형 전화기, 덮개가 상측으로 개폐되는 폴더형 전화기 등이 개발되어 사용자수가 급속도로 증가되고 있고, 욕구가 다양한 소비자층을 겨냥하여 디자인과 기능도 다양한 형태로 개발되어 출시되고 있다. 이러한 휴대용 전화기 중 최근에 가장 많이 보급되고 있는 폴더형 전화기를 예로 들어 설명하면 다음과 같다.Mobile phones that can make mobile phone calls are developed with flip-type telephones that open and close the cover, and folding-type telephones that open and close the cover. The number of users is increasing rapidly. And functions are also being developed and released in various forms. As an example, a folding type telephone which is most popular among these portable telephones is described as follows.

도 1과 도 2에 도시된 바와 같이, 종래 폴더형 전화기는 본체(1)의 상측에 덮개(2)가 복개가능하도록 힌지(3)에 의하여 결합되어 있고, 후면에는 충방전이 이루어지는 밧데리(4)가 착,탈가능하게 결합되어 있다.As shown in Fig. 1 and Fig. 2, the conventional clamshell phone is coupled by a hinge 3 to cover the cover 2 on the upper side of the main body 1, and the battery 4 is charged and discharged at the rear side. ) Is detachably attached.

그리고, 본체(1)의 상면에는 정보를 입력하기 위한 다수개의 버튼 패드(5)들이 설치되어 있고, 그 버튼 패드(5)를 이용하여 정보를 입력하거나 메시지 수신내용이 숫자나 문자 등으로 표시되는 디스플레이부(6)가 덮개(2)의 내측에 결합되어 있다.In addition, a plurality of button pads 5 for inputting information are provided on an upper surface of the main body 1, and information is inputted using the button pads 5 or message reception contents are displayed in numbers or letters. The display unit 6 is coupled to the inside of the cover 2.

또한, 상기 덮개(2)의 케이스 외측에 돌출되도록 형성된 누름돌기(7)와, 그 누름돌기(7)에 의하여 온/오프될 수 있도록 본체(1)의 케이스 내측에 설치된 디텍트 스위치(8)로 구성되는 도어개폐 감지장치(9)가 구비되어 있다.In addition, the pressing protrusion (7) formed to protrude outside the case of the cover (2), and the detection switch (8) provided inside the case of the main body (1) to be turned on / off by the pressing protrusion (7) Door opening and closing detection device 9 is configured to be provided.

상기와 같이 구성되어 있는 종래 폴더형 전화기를 이용하여 송신을 할때는 사용자가 덮개(2)를 열고 본체(1)에 설치된 버튼 패드(5)들을 눌러서 정보를 입력하고, 수신을 할때도 역시 덮개(2)를 열고 통화를 하게 된다.When transmitting using the conventional clamshell phone structured as described above, the user opens the cover 2 and presses the button pads 5 installed on the main body 1 to input information, and when receiving the cover 2 ) And open a call.

그리고, 상기와 같이 송/수신할때의 정보가 액정인 디스플레이부(6)에 나타나므로 사용자는 디스플레이부(6)에 나타나는 정보내용을 보고 송신을 하거나 수신을 하게 된다.Since the information at the time of transmission / reception is displayed on the display unit 6 which is a liquid crystal as described above, the user sees the information content displayed on the display unit 6 and transmits or receives it.

또한, 상기와 같이 송/수신을 위하여 덮개(2)를 열때는 누름돌기(7)가 디텍트 스위치(8)에서 떨어지면서 전원이 공급되고, 덮개(2)를 닫을때는 누름돌기(7)가 디텍트 스위치(8)에 접촉되며 전원공급이 차단되어 절전이 이루어지도록 되어 있다.In addition, when the cover 2 is opened for transmission / reception as described above, power is supplied while the pusher 7 falls from the detection switch 8, and when the cover 2 is closed, the pusher 7 is closed. It is in contact with the detection switch 8 and the power supply is cut off to save power.

그러나, 상기와 같이 구성되어 있는 종래의 폴더형의 휴대용 전화기는 장기간 반복사용시에 덮개(2)의 반복개폐에 의하여 도어개폐 감지장치(9)의 누름돌기(7)가 디텍트 스위치(8)에 반복적으로 물리적인 충격이 가해짐에 따라 파손이 쉽게 발생되는 문제점을 가지고 있는 것이었다.However, in the conventional foldable portable telephone constituted as described above, the pressing protrusion 7 of the door opening / closing detection device 9 is connected to the detection switch 8 by the repeated opening and closing of the cover 2 during long-term repeated use. As the physical shock was repeatedly applied, the breakage easily occurred.

상기와 같은 문제점을 감안하여 안출한 본 발명의 목적은 비접촉식에 의한 전원공급과 차단이 이루어지도록 하여 사용수명을 향상시키도록 하는데 적합한 휴대용 전화기의 도어개폐 감지장치를 제공함에 있다.An object of the present invention devised in view of the above problems is to provide a door opening and closing detection device of a portable telephone suitable for improving the service life by the power supply and disconnection by a non-contact.

도 1은 종래 휴대용 전화기의 구조를 보인 사시도.1 is a perspective view showing the structure of a conventional portable telephone.

도 2는 종래 도어개폐를 감지하는 상태를 보인 정면도.Figure 2 is a front view showing a state of detecting a conventional door opening and closing.

도 3은 본 발명 도어개폐 감지장치가 구비된 휴대용 단말기의 구조를 보인 사시도.Figure 3 is a perspective view showing the structure of a portable terminal equipped with a door opening and closing detection device of the present invention.

도 4는 본 발명이 설치된 요부단면도.Figure 4 is a main cross-sectional view of the present invention is installed.

도 5는 본 발명에서의 홀 센서의 회로도.5 is a circuit diagram of a Hall sensor in the present invention.

도 6은 본 발명에서의 홀 센서의 검지원리를 보인 개략도.Figure 6 is a schematic view showing the support of the hall sensor in the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

11 : 본체 12 : 힌지11: body 12: hinge

13 : 덮개 15 : 디스플레이부13 cover 15 display unit

16 : 버튼 패드 21 : 영구자석16: button pad 21: permanent magnet

22 : 홀 센서22: Hall sensor

상기와 같은 본 발명의 목적을 달성하기 위한 본체의 상측에 덮개가 힌지에 의하여 복개가능하게 결합되어 있고, 본체의 상면에는 다수개의 버튼 패드들이 설치되어 있으며, 상기 덮개의 내측면에는 디스플레이부가 설치되어 있는 휴대용 전화기에 있어서, 상기 덮개의 케이스 내측에 영구자석을 설치하고, 그에 대응되는 본체의 케이스 내측에 자기장을 감지하여 전원을 온/오프하는 홀 센서를 내설하여서 구성되는 것을 특징으로 하는 휴대용 전화기의 도어개폐 감지장치가 제공된다.In order to achieve the object of the present invention as described above, the cover is coupled to the upper side of the main body by a hinge, and a plurality of button pads are provided on the upper surface of the main body, and a display unit is installed on the inner side of the cover. A portable telephone comprising: a permanent magnet installed inside a case of the cover, and a hall sensor configured to detect a magnetic field and turn on / off a power supply inside a case of the main body corresponding thereto. A door open / close detection device is provided.

상기와 같이 구성되어 있는 휴대용 전화기는 사용자가 덮개를 열고 본체의 상면에 설치된 버튼 패드들을 눌러서 송신을 하고, 수신을 할때에도 덮개를 열고 사용을 하게 되며, 이와 같이 송수신을 할때의 정보는 덮개의 내측에 설치된 디스플레이부의 액정 화면에 나타나므로 사용자는 디스플레이부를 확인하며 송/수신을 하게 된다.In the portable phone configured as described above, the user opens the cover and transmits by pressing the button pads installed on the upper surface of the main body, and opens and uses the cover even when receiving the information. Appears on the liquid crystal screen of the display unit installed on the inside, so that the user transmits / receives while checking the display unit.

그리고, 상기와 같이 덮개가 개폐될때는 덮개의 케이스 내부에 설치된 영구자석의 자기력을 본체의 케이스 내부에 설치된 홀 센서에서 감지되는지의 여부로 덮개의 개폐여부를 감지하고, 그와 같은 덮개의 개폐감지가 비접촉식으로 이루어져서 전원이 공급되어지거나 차단되어지므로 반복적인 덮개의 개폐시 물리적인 접촉에 의한 센서의 고장발생을 방지하게 된다.When the cover is opened and closed as described above, the magnetic force of the permanent magnet installed in the case of the cover is detected by the hall sensor installed in the case of the main body to detect whether the cover is opened or closed, and the cover is detected. It is made of non-contact type, so that power is supplied or cut off, thus preventing the breakdown of the sensor due to physical contact during repeated opening and closing of the cover.

이하, 상기와 같이 구성되어 있는 본 발명 휴대용 전화기의 도어개폐 감지장치의 실시예를 첨부된 도면을 참고로 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings an embodiment of the door opening and closing detection device of the present invention mobile phone is configured as described above in detail as follows.

도 3은 본 발명 도어개폐 감지장치가 구비된 휴대용 단말기의 구조를 보인 사시도이고, 도 4는 본 발명이 설치된 요부단면도로서, 도시된 바와 같이, 본 발명은 본체(11)의 상측에 힌지(12)에 의하여 결합된 덮개(13)가 개폐가능하게 결합되어 있고, 본체(11)의 후면에는 전원을 공급하기 위하여 충반전용 밧데리(14)가 착,탈가능하게 결합되어 있으며, 상기 덮개(13)의 내측면에는 숫자나 문자 등의 각종 정보가 액정화면에 디스플레이되는 디스플레이부(15)가 설치되어 있다.Figure 3 is a perspective view showing a structure of a portable terminal having a door opening and closing detection device of the present invention, Figure 4 is a sectional view of the main portion is provided with the present invention, as shown, the present invention hinge 12 on the upper side of the main body 11 The cover 13 coupled by the () is coupled to open and close, and the battery 14 for charging only is detachably coupled to the rear of the main body 11, the cover 13 On the inner side of the display unit 15 is provided a display unit 15 on which various information such as numbers and letters are displayed on the LCD screen.

그리고, 상기 본체(11)의 상면에는 정보를 입력하기 위한 다수개의 버튼 패트(16)들이 나열배치되어 있다.In addition, a plurality of button pads 16 for inputting information are arranged on the upper surface of the main body 11.

또한, 상기 덮개(13)의 하단부 케이스 내측에는 영구자석(21)이 설치되어 있고, 본체(11)의 상단부 케이스 내측에는 자기장을 감지하여 전원을 온/오프하기 위한 홀 센서(22)가 설치되어 있다.In addition, a permanent magnet 21 is installed inside the lower case of the cover 13, and a hall sensor 22 is installed inside the upper case of the main body 11 to detect a magnetic field and turn on / off power. have.

상기와 같이 구성되어 있는 본 발명의 장치가 설치된 휴대용 전화기는 덮개(13)를 열고 본체(11)의 상면에 설치되어 있는 버튼 패드(16)를 눌러서 필요한 정보를 입력하여 통화를 하고, 수신을 할때는 덮개(13)를 열어서 수신을 하게 된다.When the portable telephone installed with the apparatus of the present invention configured as described above opens a cover 13 and presses a button pad 16 installed on an upper surface of the main body 11 to input necessary information to make a call, and when receiving a call, Open the cover 13 to receive.

그리고, 상기와 같이 송/수신을 위하여 덮개(13)가 열리면 홀 센서(22)에 감지되던 자기장이 제거되며 전원이 공급되고, 덮개(13)가 닫히면 영구자석(21)의 자기장이 홀 센서(22)에 감지되어 전원이 공급된다.When the cover 13 is opened for transmission / reception as described above, the magnetic field detected by the hall sensor 22 is removed and power is supplied. When the cover 13 is closed, the magnetic field of the permanent magnet 21 is detected by the hall sensor ( 22) Power is detected.

도 5에 도시된 바와 같이, 상기 홀 센서(22)는 저항 및 캐패시터로 이루어져 있으며, C1과 C2는 잡음억압용이고, 저항R1은 과전류방지용이며, 저항 R2는 풀 업(PULL-UP)용이다.As shown in FIG. 5, the Hall sensor 22 is composed of a resistor and a capacitor, C1 and C2 are for noise suppression, resistor R1 is for preventing overcurrent, and resistor R2 is for pull-up. .

그와 같은 홀 센서(22)의 검지원리는 도 6에 나타낸 바와 같이, 전류가 있는반도체 소자에 자기장이 인가되면 로렌쯔 힘에 의하여 전자나 홀은 힘을 받게 되고, 자기장의 방향이나 전압(VCC)의 극성에 따라서 a면이나 b면에 쌓이게 되어 전압 Vab가 유도된다. 이러한 전압 Vab를 확인하면 자기장의 유무와 세기를 알 수 있다.As shown in FIG. 6, when the magnetic field is applied to the semiconductor element with current, electrons or holes are subjected to the Lorentz force, and the direction of the magnetic field or the voltage (V CC ) is shown in FIG. 6. Depending on the polarity of), it accumulates on the a side or the b side, and the voltage V ab is induced. Checking the voltage V ab shows the presence and strength of the magnetic field.

즉, 휴대용 전화기의 덮개(13)가 닫히며 영구자석(21)이 홀 센서(22)에 가까워지면 홀 센서(22)에 인가되는 자기장의 세기가 점점 증가되며, 일정 임계자기장(Bclose) 이상이 되면 회로부는 덮개(13)가 닫힌 것으로 인식하여 전원공급을 차단하고, 반대로 덮개(13)가 열리며 영구자석(21)이 홀 센서(22)에서 멀어지면 자기장도 약해지고 임계자기장(Bclose) 이하가 되면 회로부에서 덮개(13)가 열린 것으로 인식하고 전원공급이 이루어진다.That is, when the cover 13 of the portable phone is closed and the permanent magnet 21 approaches the hall sensor 22, the strength of the magnetic field applied to the hall sensor 22 is gradually increased, and the predetermined critical magnetic field B close or more. In this case, the circuit unit recognizes that the cover 13 is closed and cuts off the power supply. On the contrary, when the cover 13 is opened and the permanent magnet 21 moves away from the hall sensor 22, the magnetic field weakens and the critical magnetic field (B close ). When it is below, the circuit unit recognizes that the cover 13 is open and power is supplied.

이상에서 상세히 설명한 바와 같이, 본 발명 휴대용 전화기의 도어개폐 감지장치는 덮개의 하단부 케이스 내측에 영구자석을 설치하고, 그에 대응되는 본체의 상단부 케이스 내측에 자기장을 감지하기 위한 홀 센서를 설치하여, 사용자가 덮개를 개폐할때 영구자석의 위치변화에 따라 발생되는 자기장의 세기를 홀 센서에서 감지하여 전원을 온/오프하도록 함으로써, 비접촉식에 의한 도어개폐감지가 이루어지게 되어 장기간 반복사용시에도 물리적인 접촉에 의한 고장이 발생되지 않는다.As described above in detail, the door opening and closing detection device of the mobile phone according to the present invention installs a permanent magnet inside the lower case of the cover, and installs a hall sensor for detecting a magnetic field inside the upper case of the main body corresponding thereto. When the door is opened and closed, the sensor detects the strength of the magnetic field generated by the change of the position of the permanent magnet and turns the power on and off. The trouble does not occur.

Claims (1)

본체의 상측에 덮개가 힌지에 의하여 복개가능하게 결합되어 있고, 본체의 상면에는 다수개의 버튼 패드들이 설치되어 있으며, 상기 덮개의 내측면에는 디스플레이부가 설치되어 있는 휴대용 전화기에 있어서, 상기 덮개의 케이스 내측에 영구자석을 설치하고, 그에 대응되는 본체의 케이스 내측에 자기장을 감지하여 전원을 온/오프하는 홀 센서를 설치하여서 구성되는 것을 특징으로 하는 휴대용 전화기의 도어개폐 감지장치.In a portable telephone having a cover coupled to the upper side of the main body by a hinge, a plurality of button pads are provided on an upper surface of the main body, and a display unit on an inner side of the cover, the inside of the case of the cover The permanent magnet is installed in the door, the door opening and closing detection device of a portable telephone, characterized in that by installing a hall sensor for turning on / off the power by detecting a magnetic field inside the case of the main body corresponding thereto.
KR1020010013202A 2001-03-14 2001-03-14 Apparatus for detecting door open/close of mobile phone KR20020073045A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040026215A (en) * 2002-09-23 2004-03-30 엘지전자 주식회사 Sensing devise of opening or closing folder for folder type mobile-phone
KR100442625B1 (en) * 2002-04-11 2004-08-02 삼성전자주식회사 Apparatus and method for controlling the malfunction of hall effect switch used for sensing open or close of the flip or polder of terminal equipment
KR20050011665A (en) * 2003-07-22 2005-01-29 후지쯔 가부시끼가이샤 Portable terminal device and open/close detector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100442625B1 (en) * 2002-04-11 2004-08-02 삼성전자주식회사 Apparatus and method for controlling the malfunction of hall effect switch used for sensing open or close of the flip or polder of terminal equipment
KR20040026215A (en) * 2002-09-23 2004-03-30 엘지전자 주식회사 Sensing devise of opening or closing folder for folder type mobile-phone
KR20050011665A (en) * 2003-07-22 2005-01-29 후지쯔 가부시끼가이샤 Portable terminal device and open/close detector

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