KR960027937A - Digital key phones - Google Patents

Digital key phones Download PDF

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Publication number
KR960027937A
KR960027937A KR1019940035277A KR19940035277A KR960027937A KR 960027937 A KR960027937 A KR 960027937A KR 1019940035277 A KR1019940035277 A KR 1019940035277A KR 19940035277 A KR19940035277 A KR 19940035277A KR 960027937 A KR960027937 A KR 960027937A
Authority
KR
South Korea
Prior art keywords
signal
general telephone
digital
unit
digital key
Prior art date
Application number
KR1019940035277A
Other languages
Korean (ko)
Other versions
KR0132150B1 (en
Inventor
임제상
Original Assignee
구자홍
Lg 전자주식회사
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 구자홍, Lg 전자주식회사 filed Critical 구자홍
Priority to KR1019940035277A priority Critical patent/KR0132150B1/en
Publication of KR960027937A publication Critical patent/KR960027937A/en
Application granted granted Critical
Publication of KR0132150B1 publication Critical patent/KR0132150B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M11/00Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/066Telephone sets adapted for data transmision
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/253Telephone sets using digital voice transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2201/00Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/52Telephonic communication in combination with fax communication

Abstract

본 발명은 디지탈 키폰 시스템에 관한 것으로, 별도의 배선 설치없이 일반전화기 또는 팩스를 디지탈 키폰 전화기에 연결하여 사용할 수 있도록 한 것이다.The present invention relates to a digital key phone system, and can be used by connecting a general telephone or a fax to a digital key phone without installing additional wiring.

본 발명은 디지탈 키폰 전화기에 일반전화기 또는 팩스를 접속할 수 있는 일반전화기 접속부를 구비하여 2B+D 채널을 통해 일반전화기 또는 팩스를 사용할 수 있도록 함으로써 별도의 배선설치의 배제로 설치의 효율성을 제공하고, 일반전화기나 팩스를 사용하지 않은 수요자의 디지탈 키폰 시스템 구입에 불필요한 경비의 지출을 배제시킨다.The present invention is provided with a general telephone connection for connecting a general telephone or a fax to the digital key phone telephone to enable the use of a general telephone or a fax through the 2B + D channel to provide the efficiency of installation by eliminating the separate wiring installation, Eliminate unnecessary expenses for the purchase of digital key-phone systems for consumers who do not use regular telephones or fax machines.

Description

디지탈 키폰 전화기Digital key phones

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 종래의 키폰시스템에서 주장치와 일반전화기의 연결을 보인 구성 블럭도, 제2도는 본 발명에 따른 디지탈 키폰 전화기의 구성 블럭도.1 is a block diagram showing the connection between the main device and a general telephone in a conventional key phone system, and FIG. 2 is a block diagram of a digital key phone telephone according to the present invention.

Claims (2)

디지탈 키폰 시스템에 있어서, 두개의 전환 서어비스 채널과 하나의 제어신호 채널을 통해 주장치와 연결되는 매치 트랜스와, 상기 매칭 트랜스를 통해 연결된 채널(2B+D)을 통해 시분할 다중화 수신 프로토콜 수행하는 디지탈 신호 전송회로부와, 상기 디지탈 신호 전송 회로부를 통해 수신되는 디지탈 신호를 아날로그 신호로 변환시키며 사용자의 아날로그 송신신호를 디지탈 신호로 변환시키는 제1, 제2코덱과, 사용자의 핸드셑과 연결되어 송수신되는 음성신호를 처리하는 송수화기 접속부와, 상기 매칭 트랜스로부터 인가되는 전압을 정류하여 각 회로부측에 필요한 동작전원으로 공급하는 전원부와, 송수신되는 데이타 신호의 경로를 선택하는 멀티플렉서와, 경로선택, 일반전화기를 통한 통신및 송수신 프로토콜 처리등 전반적인 동작을 제어하는 마이크로 프로세스와, 전반적인 동작상태를 디스플레이하는 표시수단과, 마이크와 스피커를 통해 송수신되는 음성신호를 처리하는 스피커폰 회로부 및 일반전화기나 팩스를 연결하여 사용하는 일반전화기 접속부를 구비하는 것을 특징으로 하는 디지탈 키폰 전화기.A digital key phone system comprising: a match transformer connected to a main device through two switching service channels and one control signal channel, and a digital signal transmission for performing time division multiplexing reception protocol through a channel (2B + D) connected through the matching transformer A circuit unit, first and second codecs for converting a digital signal received through the digital signal transmission circuit unit into an analog signal and converting an analog transmission signal of the user into a digital signal, and a voice signal connected to and transmitted by the user's handset. A handset connection unit for processing a circuit, a power supply unit for rectifying the voltage applied from the matching transformer and supplying it to the operating power required for each circuit unit, a multiplexer for selecting a path of a data signal to be transmitted and received, path selection, communication via a general telephone To control the overall operation Digital keyphone comprising a micro process, display means for displaying the overall operating state, a speakerphone circuit unit for processing voice signals transmitted and received through the microphone and speaker, and a general telephone connection unit for connecting a general telephone or a fax machine cellphone. 제1항에 있어서, 상기 일반 전화기 접속부는 상기 주장치로부터 일반 전화기 호출신호가 인가될시 소정의링 발생신호를 출력하는 링 발생기와, 외부전원을 공급받아 접속된 일반전화기측에 동작전원을 공급하는 전원공급부와, 상기 멀티플렉서로부터 인가되는 전압을 정류하여 임피던스를 매칭시키는 하이브리드 회로 및 상기 접속된 일반전화기의 송수신 수단 오프훅 신호를 검출하는 루프감지부로 이루어지는 것을 특징으로 하는 디지탈 키폰 전화기.The general telephone connection unit according to claim 1, wherein the ordinary telephone connection unit outputs a predetermined ring generation signal when a general telephone call signal is applied from the main device, and supplies operating power to a general telephone side connected to external power. A digital key phone comprising: a power supply unit, a hybrid circuit for rectifying the voltage applied from the multiplexer to match an impedance, and a loop sensing unit for detecting an off-hook signal of a transmitting / receiving means of the connected general telephone. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940035277A 1994-12-20 1994-12-20 Digital keyphone KR0132150B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940035277A KR0132150B1 (en) 1994-12-20 1994-12-20 Digital keyphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940035277A KR0132150B1 (en) 1994-12-20 1994-12-20 Digital keyphone

Publications (2)

Publication Number Publication Date
KR960027937A true KR960027937A (en) 1996-07-22
KR0132150B1 KR0132150B1 (en) 1998-04-25

Family

ID=19402391

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940035277A KR0132150B1 (en) 1994-12-20 1994-12-20 Digital keyphone

Country Status (1)

Country Link
KR (1) KR0132150B1 (en)

Also Published As

Publication number Publication date
KR0132150B1 (en) 1998-04-25

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