KR20010044906A - Cellular phone and method of receiving/transmitting user information between cellular phones - Google Patents

Cellular phone and method of receiving/transmitting user information between cellular phones Download PDF

Info

Publication number
KR20010044906A
KR20010044906A KR1019990047963A KR19990047963A KR20010044906A KR 20010044906 A KR20010044906 A KR 20010044906A KR 1019990047963 A KR1019990047963 A KR 1019990047963A KR 19990047963 A KR19990047963 A KR 19990047963A KR 20010044906 A KR20010044906 A KR 20010044906A
Authority
KR
South Korea
Prior art keywords
mobile phone
packet
information
portable phone
user information
Prior art date
Application number
KR1019990047963A
Other languages
Korean (ko)
Other versions
KR100677075B1 (en
Inventor
배대규
Original Assignee
윤종용
삼성전자 주식회사
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 윤종용, 삼성전자 주식회사 filed Critical 윤종용
Priority to KR1019990047963A priority Critical patent/KR100677075B1/en
Publication of KR20010044906A publication Critical patent/KR20010044906A/en
Application granted granted Critical
Publication of KR100677075B1 publication Critical patent/KR100677075B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/04—Details of telephonic subscriber devices including near field communication means, e.g. RFID
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/64—Details of telephonic subscriber devices file transfer between terminals

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

PURPOSE: A portable phone and a method for transmitting and receiving user information between the portable phones are provided to offer a portable phone capable of executing direct communication without the necessity of going through an exchange by sharing user information at a short distance. CONSTITUTION: A portable phone 'A' pushes a specific button to send information to a portable phone 'B'(410). The portable phone 'A' sets up a packet containing information for a protocol version and a service type and transmits it to the portable phone 'B'(420). The portable phone 'B' checks the message contents contained in the received packet and confirms whether the received protocol version is consistent with its own version(430). If the protocol versions are in accord, the portable phone 'B' sets up a "receiving possible" control information packet and transmits it to the portable phone 'A'(440). Receiving the "receiving possible" control information packet, the portable phone 'A' selects user information to transmit(450). The portable phone 'A' generates a packet containing user information and transmits it to the portable phone 'B'(460). If transmission is completed(470), the portable phone 'A' transmits a transmission "end" packet to the portable phone 'B'(472). The portable phone 'B', receiving the transmission end packet, sends an ACK(ACKnowledge) signal to the portable phone 'A'(474).

Description

휴대폰 및 그 휴대폰간의 사용자 정보 송수신 방법{Cellular phone and method of receiving/transmitting user information between cellular phones}Cellular phone and method of receiving / transmitting user information between cellular phones}

본 발명은 이동통신단말기 및 이동 통신 단말기 사이의 사용자 정보 송수신 방법에 관한 것으로서, 특히 유무선을 이용해 근거리 통신이 가능하게 하는 휴대폰 및 무선을 이용한 근거리 휴대폰 사이의 사용자 정보 송수신 방법에 관한 것이다.The present invention relates to a method for transmitting and receiving user information between a mobile communication terminal and a mobile communication terminal, and more particularly, to a method for transmitting and receiving user information between a mobile phone for enabling short-range communication using wired and wireless communication and a short-range mobile phone using wireless.

일반적으로 휴대폰은 일반 사용자들이 들고 다니면서 자동차, 기차 또는 비행기등과 같은 곳에서 무선으로 자유롭게 통활 수있다.In general, mobile phones can be carried freely by wireless users in places such as cars, trains or airplanes.

그러나 휴대폰 사이의 통신은 거리에 상관없이 통신 사업자들이 제공하는 교환기를 거쳐 수행된다. 즉 도 1에 도시된 바와 같이 휴대폰A(110)와 휴대폰B(130)사이의 교환기(120)를 두고 사용자 정보를 주고 받는다. 또한 휴대폰A(110)와 휴대폰B(130)간에 근거리에서 간단한 메시지일지라도 이동통신회사가 제공하는 교환기(120)를 통해야한다.However, communication between mobile phones is carried out over exchanges provided by service providers regardless of distance. That is, as shown in FIG. 1, user information is exchanged with the exchanger 120 between the mobile phone A 110 and the mobile phone B 130. In addition, even if a simple message at a short distance between the mobile phone A (110) and the mobile phone B (130) should be through the exchange 120 provided by the mobile communication company.

따라서 도 1과 같은 종래의 휴대폰A(110)와 휴대폰B(130)간의 정보송수신 방법은 교환기(120)를 거쳐야하기 때문에 비용면이나 속도면에서 불리한 단점이 있다.Therefore, the conventional method of transmitting and receiving information between the mobile phone A 110 and the mobile phone B 130 as shown in FIG. 1 is disadvantageous in terms of cost and speed because it must pass through the exchanger 120.

본 발명이 이루고자 하는 기술적 과제는 근거리 에서 사용자 정보를 공유함으로써 교환기를 거치지 않고 직접 통신이 가능한 휴대폰을 제공하는 데 있다.The technical problem to be achieved by the present invention is to provide a mobile phone capable of direct communication without going through the exchange by sharing the user information in the near field.

본 발명이 이루고자 하는 기술적 과제는 두개이상의 근거리 휴대폰 사이에서 사용자 정보를 공유함으로써 교환기를 거치지 않고 휴대폰간에 직접 통신이 가능한 정보송수신 방법을 제공하는 데 있다.SUMMARY OF THE INVENTION The present invention has been made in an effort to provide an information transmission and reception method capable of directly communicating between mobile phones without passing through an exchange by sharing user information between two or more short-range mobile phones.

도 1은 종래의 휴대폰간의 통신을 보이는 무선통신 시스템을 도시한 것이다.1 illustrates a conventional wireless communication system showing communication between mobile phones.

도 2a는 본 발명에 따른 휴대폰간의 사용자 정보 송수신 시스템을 보이는 블럭도이다.Figure 2a is a block diagram showing a system for transmitting and receiving user information between mobile phones according to the present invention.

도 2b는 도 2a의 휴대폰의 상세도이다.FIG. 2B is a detailed view of the mobile phone of FIG. 2A.

도 3은 송수신을 위한 패킷 단위의 메시지 구조이다.3 is a message structure of a packet unit for transmitting and receiving.

도 4는 본 발명에 따른 휴대폰간의 사용자 정보 송수신 방법을 보이는 흐름도이다.4 is a flowchart illustrating a method of transmitting and receiving user information between mobile phones according to the present invention.

상기의 기술적 과제를 해결하기 위하여, 본 발명은 제1휴대폰과 제2휴대폰간의 사용자 정보 송수신 방법에 있어서,In order to solve the above technical problem, the present invention provides a method for transmitting and receiving user information between the first mobile phone and the second mobile phone,

상기 제1휴대폰에서 프로토콜 버젼과 서비스 타입에 관련된 정보가 포함된 패킷을 생성하여 제2휴대폰에 전송하는 과정;Generating, by the first mobile phone, a packet including information related to a protocol version and a service type and transmitting the packet to a second mobile phone;

상기 제2휴대폰에서 수신된 패킷에 기록된 프로토콜 버젼과 자신의 프로토콜이 일하면 수신가능정보를 상기 제1휴대폰에 전송하는 과정;Transmitting the receivable information to the first mobile phone when the protocol version recorded in the packet received by the second mobile phone and its own protocol work;

상기 제1휴대폰이 수신가능정보를 수신하면 사용자 정보를 가한 패킷을 생성하여 상기 제2휴대폰에 전송하는 과정을 포함하는 것을 특징으로 하는 사용자 정보 송수신 방법이다.And receiving the receivable information by the first mobile phone, generating a packet to which the user information is applied, and transmitting the packet to the second mobile phone.

상기의 기술적 과제를 해결하기 위하여, 본 발명은 유무선을 이용해 직접 통신이 가능하게 하는 휴대폰에 있어서,In order to solve the above technical problem, the present invention is a mobile phone that enables direct communication using a wired or wireless,

프로토콜 버젼과 사용자 정보를 포함하는 패킷을 생성하는 패킷생성부;A packet generation unit generating a packet including a protocol version and user information;

다른 휴대폰로 부터 수신된 패킷 정보에 기록된 프로토콜 버젼과 자신의 프로토콜 버젼을 비교하여 수신가능여부정보를 전송하고, 다른 휴대폰으로 부터 수신가능정보를 수신하면 상기 패킷생성부에 소정의 사용자 정보를 가한 패킷을 생성시켜 다른 휴대폰으로 전송하는 제어부를 포함하는 휴대폰이다.Compares the protocol version recorded in the packet information received from another mobile phone with its own protocol version, and transmits the reception availability information. When receiving the reception information from another mobile phone, predetermined packet information is added to the packet generation unit. The mobile phone includes a control unit for generating a packet and transmitting the packet to another mobile phone.

이하 첨부된 도면을 참조로하여 본 발명의 바람직한 실시예를 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 2a는 본 발명에 따른 휴대폰간의 사용자 정보 송수신 시스템을 보이는 블럭도이며, 휴대폰A(210)와 휴대폰B(220)가 무선이나 유선으로 연결된다. 도 2b는 각 휴대폰A(210) 또는 휴대폰B(220)의 상세도이며, 패킷 생성부(230), 제어부(240), 송우신부(250)로 구성된다.Figure 2a is a block diagram showing a user information transmission and reception system between the mobile phone according to the present invention, the mobile phone A 210 and the mobile phone B 220 is connected by wireless or wired. 2B is a detailed view of each mobile phone A 210 or mobile phone B 220, and includes a packet generation unit 230, a control unit 240, and a transmission / reception unit 250.

송수신부(250)는 사용자 정보를 송수신하는 입출력포트이다. 패킷생성부 (230)는 프로토콜 버젼, 소정의 서비스 타입등이 기록된 헤더와 데이터가 포함된 패킷을 생성한다. 제어부(240)는 다른 휴대폰으로 부터 수신된 포로토콜 버젼이 포함된 패킷 에서 그 프로토콜 버젼과 그 자신의 프로토콜 버젼이 일치하는가를 비교하여 일치되면 패킷 생성부(230)의 서비스타입에 수신가능정보를 포함시켜 송수신부(250)를 통해 전송한다. 또한 제어부(240)는 다른 휴대폰으로 부터 수신가능정보패킷을 수신하면 패킷 생성부(230)에게 사용자 정보를 포함하는 패킷을 생성하여 송수신부(250)를 통해 다른 휴대폰으로 전송한다.The transceiver 250 is an input / output port for transmitting and receiving user information. The packet generation unit 230 generates a packet including a header and data in which a protocol version, a predetermined service type, and the like are recorded. The controller 240 compares whether the protocol version and its own protocol version are identical in the packet including the protocol version received from another mobile phone, and compares the received service information with the service type of the packet generator 230. It includes and transmits through the transceiver 250. In addition, when the control unit 240 receives a receivable information packet from another mobile phone, the control unit 240 generates a packet including user information to the packet generator 230 and transmits the packet to the other mobile phone through the transceiver 250.

도 3은 휴대폰간의 사용자 정보 송수신을 위한 패킷 단위의 메시지 구조이며, 헤더 및 데이터로 구성된다. 헤더 구간에는 프로토콜에 대한 버젼 정보가 기록하는 버젼(version), 각종 서비스 타입의 정보를 기록하는 서비스타입(service type), 사용자가 임의대로 정의하는 사용자정의자(user reserved), 데이터의 총길이 정보를 기록하는 데이터총길이(total length)정보로 이루어지며, 데이터 구간은 서비스 타입에 따라 정보가 기록되거나 비어(empty)있다. 여기서 서비스타입(service type)에는 각종 서비스 예를 들면, 1. 본인의 전화번호, 2. 전화번호 리스트, 3. 음성 메일, 4. 수신가능, 5. 수신불가, 6. 수신완료, 7. 종료등을 선택할 수있도록 그 타입을 기록할 수있다.3 is a message structure of a packet unit for transmitting and receiving user information between mobile phones, and is composed of a header and data. In the header section, the version recorded by the version information of the protocol, the service type that records the information of various service types, the user reserved user defined, and the total length information of the data It consists of total data length information (total length) to record, the data section is recorded or empty according to the service type. Here, the service type (service type) is a variety of services, for example, 1. Your phone number, 2. Phone number list, 3. Voice mail, 4. Receivable, 5. Unreceived, 6. Received, 7. End You can record that type so you can choose etc.

도 4는 본 발명에 따른 휴대폰간의 사용자 정보 송수신 방법을 보이는 흐름도이며, 도 2 및 도 3을 참조하여 상세히 설명한다.4 is a flowchart illustrating a method of transmitting and receiving user information between mobile phones according to the present invention, which will be described in detail with reference to FIGS. 2 and 3.

먼저, 휴대폰A(210)는 휴대폰B(220)에게 정보를 송신하기 위해 특정 버튼을 누른다(410과정). 휴대폰A(210)는 도 3에 도시된 바와 같은 프로토콜버젼(version) 및 서비스타입(service type) 정보가 포함된 패킷을 설정한 후 휴대폰B(220)로 전송한다(420과정).First, the mobile phone A 210 presses a specific button to transmit information to the mobile phone B 220 (step 410). The mobile phone A 210 sets a packet including the protocol version and service type information as shown in FIG. 3 and transmits the packet to the mobile phone B 220 (step 420).

휴대폰B(220)는 휴대폰A(210)로 부터 수신된 패킷에 포함된 메시지 내용을 보고 프로토콜 버젼이 일치하는가를 체크하여(430과정), 프로토콜 버젼이 일치하지 않으면 패킷 헤더내의 서비스타입(service type)에 "서비스불가" 정보를 설정하여 휴대폰A(210)로 전송한다(432과정). 이때 휴대폰A(210)가 휴대폰B(220)로 부터 "수신불가"인 서비스 타입을 수신하면 화면에 그 메시지를 표시한다(434, 436과정).The mobile phone B 220 checks whether the protocol versions match the message contents included in the packet received from the mobile phone A 210 (step 430), and if the protocol versions do not match, the service type in the packet header (service type). Set the "service unavailable" information in the) and transmits the information to the mobile phone A 210 (step 432). At this time, when the mobile phone A 210 receives the service type "not received" from the mobile phone B 220 and displays the message on the screen (steps 434 and 436).

한편 휴대폰B(220)가 휴대폰A(210)로 부터 수신된 패킷 헤더에 포함된 메시지 내용을 보고 프로토콜 버젼이 일치하는가를 체크하여(430과정), 프로토콜 버젼이 일치하면 패킷헤더내의 서비스타입(service type)에 "수신가능" 정보를 설정하여 휴대폰A(210)로 전송한다(440정). 이때 휴대폰A(210)는 휴대폰B(220)로 부터 "수신가능"인 서비스 타입을 수신하면 전송할 사용자 정보를 선택한다(450과정). 예를 들면 도 2의 서비스타입(service type) 정보에서 본인 전화번호 또는 타인의 전화번호또는 음성 메일등의 정보중에서 전송할 정보를 선택한다. 휴대폰A(210)는 상기의 사용자 정보를 도 2의 데이터 영역에 포함하고 헤더 영역에 서비스 타입을 설정 한 패킷을 휴대폰B(220)에 전송하여(460과정) 전송 종료인가를 체크한다(470과정). 휴대폰A (210)는 전송할 정보를 종료하면 패킷헤더내의 서비스타입(service type) 정보중에서 "종료"를 설정하고 휴대폰B(220)에 전송한다(472과정).On the other hand, the mobile phone B 220 checks whether the protocol versions match the message contents included in the packet header received from the mobile phone A 210 (step 430), and if the protocol versions match, the service type in the packet header (service). type "receivable" information is transmitted to the mobile phone A (210) (440 tablets). At this time, the mobile phone A 210 selects user information to be transmitted when receiving a service type "receivable" from the mobile phone B 220 (step 450). For example, in the service type information of FIG. 2, information to be transmitted is selected from among information such as one's own phone number, another's phone number, and voice mail. The mobile phone A 210 transmits the packet including the user information in the data area of FIG. 2 and sets the service type in the header area to the mobile phone B 220 (step 460) and checks whether the transmission is terminated (step 470). ). When the mobile phone A 210 terminates the information to be transmitted, the mobile phone A 210 sets "end" from among service type information in the packet header and transmits the information to the mobile phone B 220 (step 472).

휴대폰B(220)는 휴대폰A(210)로 부터 "종료" 패킷을 수신한 후 휴대폰A(210)에 인정신호(ACK:Acknowledge)를 전송한다(474과정). 휴대폰A(210)는 휴대폰B(220)로 부터 인정신호(ACK)를 수신하면 다시 초기과정인 410과정으로 복귀하여 통신 상태로 대기한다(476과정).The mobile phone B 220 transmits an acknowledgment signal (ACK) to the mobile phone A 210 after receiving the "end" packet from the mobile phone A 210 (step 474). When the mobile phone A 210 receives the acknowledgment signal ACK from the mobile phone B 220, the mobile phone A 210 returns to the initial process 410 and waits for communication (step 476).

본 발명은 상술한 실시예에 한정하지 않으며, 본 발명의 사상내에서 당업자에 의한 변형이 가능함은 물론이다. 즉, 휴대폰 대신에 기지국을 통해야만 통화가 가능한 이동통신단말기에 적용가능하다.The present invention is not limited to the above-described embodiment, and of course, modifications can be made by those skilled in the art within the spirit of the present invention. That is, the present invention can be applied to a mobile communication terminal capable of making calls only through a base station instead of a mobile phone.

상술한 바와 같이 본 발명에 의하면, 근거리에서 휴대폰간에 정보를 공유하여 교환기를 거치지 않고도 상대방과 직접 정보를 송수신 가능하게 함으로써 편리하게 통신할 수있다. 또한 퍼스널 컴퓨터에 무선 장치를 접속하는 카드를 구비하여 퍼스널 컴퓨터와 휴대폰간에도 정보 공유가 구현 가능하다.As described above, according to the present invention, it is possible to conveniently communicate with each other by enabling information to be transmitted and received directly with the other party without having to go through an exchange by sharing information between mobile phones in a short distance. In addition, a personal computer is provided with a card for connecting a wireless device, so that information sharing can be implemented between the personal computer and the mobile phone.

Claims (4)

제1휴대폰과 제2휴대폰간의 사용자 정보 송수신 방법에 있어서,In the method of transmitting and receiving user information between the first mobile phone and the second mobile phone, 상기 제1휴대폰에서 프로토콜 버젼과 서비스 타입에 관련된 정보가 포함된 패킷을 생성하여 제2휴대폰에 전송하는 과정;Generating, by the first mobile phone, a packet including information related to a protocol version and a service type and transmitting the packet to a second mobile phone; 상기 제2휴대폰에서 수신된 패킷에 기록된 프로토콜 버젼과 자신의 프로토콜이 일하면 수신가능정보를 상기 제1휴대폰에 전송하는 과정;Transmitting the receivable information to the first mobile phone when the protocol version recorded in the packet received by the second mobile phone and its own protocol work; 상기 제1휴대폰이 수신가능정보를 수신하면 사용자 정보를 가한 패킷을 생성하여 상기 제2휴대폰에 전송하는 과정을 포함하는 것을 특징으로 하는 사용자 정보 송수신 방법.And receiving the receivable information by the first mobile phone, generating a packet to which the user information is applied, and transmitting the packet to the second mobile phone. 제1항에 있어서, 상기 제2휴대폰의 프로토콜 버젼이 수신된 프로토콜 버젼과 일치하지 않으면 수신불가 정보를 상기 제1휴대폰에 전송하고, 상기 제1휴대폰은 수신불가 메세지를 화면에 표시하는 것임을 특징으로 하는 사용자 정보 송수신 방법.The method of claim 1, wherein if the protocol version of the second mobile phone does not match the received protocol version, the non-receipt information is transmitted to the first mobile phone, and the first mobile phone displays a non-receipt message on the screen. How to send and receive user information. 제1항에 있어서, 상기 서비스 타입 정보는 서비스할 사용자 정보 종류 및 수신 가능 여부 및 종료 정보임을 특징으로 하는 사용자 정보 송수신 방법.The method of claim 1, wherein the service type information is a type of user information to be serviced, whether or not it can be received, and termination information. 유무선을 이용해 직접 통신이 가능하게 하는 휴대폰에 있어서,In a mobile phone that enables direct communication using wired and wireless, 프로토콜 버젼과 사용자 정보를 포함하는 패킷을 생성하는 패킷생성부;A packet generation unit generating a packet including a protocol version and user information; 다른 휴대폰로 부터 수신된 패킷 정보에 기록된 프로토콜 버젼과 자신의 프로토콜 버젼을 비교하여 수신가능여부정보를 전송하고, 다른 휴대폰으로 부터 수신가능정보를 수신하면 상기 패킷생성부에 소정의 사용자 정보를 가한 패킷을 생성시켜 다른 휴대폰으로 전송하는 제어부를 포함하는 휴대폰.Compares the protocol version recorded in the packet information received from another mobile phone with its own protocol version, and transmits the reception availability information. When receiving the reception information from another mobile phone, predetermined packet information is added to the packet generation unit. A mobile phone comprising a control unit for generating a packet and transmitting to another mobile phone.
KR1019990047963A 1999-11-01 1999-11-01 Cellular phone and method of receiving/transmitting user information between cellular phones KR100677075B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019990047963A KR100677075B1 (en) 1999-11-01 1999-11-01 Cellular phone and method of receiving/transmitting user information between cellular phones

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019990047963A KR100677075B1 (en) 1999-11-01 1999-11-01 Cellular phone and method of receiving/transmitting user information between cellular phones

Publications (2)

Publication Number Publication Date
KR20010044906A true KR20010044906A (en) 2001-06-05
KR100677075B1 KR100677075B1 (en) 2007-02-01

Family

ID=19618017

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019990047963A KR100677075B1 (en) 1999-11-01 1999-11-01 Cellular phone and method of receiving/transmitting user information between cellular phones

Country Status (1)

Country Link
KR (1) KR100677075B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030082070A (en) * 2002-04-16 2003-10-22 주식회사 케이티아이컴 Method for Input/Output of File using Mobile Communication Terminal
KR20200138466A (en) * 2019-05-29 2020-12-10 한국전자통신연구원 User device for acquiering life log information of user based on touch, edge device for generating service information based on life log information acquiered thereby, and human body communication system comprising user device and edge device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030082070A (en) * 2002-04-16 2003-10-22 주식회사 케이티아이컴 Method for Input/Output of File using Mobile Communication Terminal
KR20200138466A (en) * 2019-05-29 2020-12-10 한국전자통신연구원 User device for acquiering life log information of user based on touch, edge device for generating service information based on life log information acquiered thereby, and human body communication system comprising user device and edge device

Also Published As

Publication number Publication date
KR100677075B1 (en) 2007-02-01

Similar Documents

Publication Publication Date Title
Shepherd Bluetooth wireless technology in the home
CA2176590C (en) Method of invoking and cancelling voice or data service from a mobile unit
US6938100B2 (en) Method for synchronizing data between mobile terminal and computer
CA2062814C (en) Data network interface
US7096033B1 (en) Mobile apparatus enabling inter-network communication
WO2001067710A1 (en) Communication device and communication method
WO2001067711A1 (en) Communication device and communication method
US6959204B1 (en) Telephone equipment
CN101233771A (en) Method for selecting an access channel or a traffic channel for data transmission
RU2003127839A (en) SYSTEM FOR INSTALLING AND MAINTAINING THE CONNECTION
CN101150335B (en) Bluetooth phone terminal device for realizing multiple functions
KR100677075B1 (en) Cellular phone and method of receiving/transmitting user information between cellular phones
JPH04140895A (en) Ic card and radio communication system
JP3332128B2 (en) Wireless communication method and system
KR20020060418A (en) Card settlement method using Bluetooth chip
KR20010061323A (en) System and method for supporting internet phone service
KR20070073288A (en) Method for call using bluetooth headset in portable terminal
JP3425285B2 (en) Communication system, wireless terminal, server device, and narrow band wireless base station
CN102857649A (en) Communication device based on VoIP (Voice over Internet Protocol) technology and use method thereof
US20030233480A1 (en) Apparatus for integrating voice and data communications
JP3481569B2 (en) Wireless communication system and method, and base unit used for the same
KR20040039562A (en) Voice communication method terminal using bluetooth
JP3308876B2 (en) Phone
JP2002291033A (en) Wireless communication system
KR20020002792A (en) Communication method between master and slaves of local wireless communication apparatus

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20121228

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20131230

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20141223

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee