KR850006282A - Complex Frequency Reduction Dial and Redial Device of Electronic Simple Switching System - Google Patents

Complex Frequency Reduction Dial and Redial Device of Electronic Simple Switching System Download PDF

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Publication number
KR850006282A
KR850006282A KR1019840000507A KR840000507A KR850006282A KR 850006282 A KR850006282 A KR 850006282A KR 1019840000507 A KR1019840000507 A KR 1019840000507A KR 840000507 A KR840000507 A KR 840000507A KR 850006282 A KR850006282 A KR 850006282A
Authority
KR
South Korea
Prior art keywords
dial
switching system
frequency
output
electronic
Prior art date
Application number
KR1019840000507A
Other languages
Korean (ko)
Inventor
이윤호
Original Assignee
이재연,하인츠 디터 케루트
금성통신 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 이재연,하인츠 디터 케루트, 금성통신 주식회사 filed Critical 이재연,하인츠 디터 케루트
Priority to KR1019840000507A priority Critical patent/KR850006282A/en
Publication of KR850006282A publication Critical patent/KR850006282A/en
Priority to KR2019850014440U priority patent/KR860000113Y1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/424—Arrangements for automatic redialling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/44—Additional connecting arrangements for providing access to frequently-wanted subscribers, e.g. abbreviated dialling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/04—Transistors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/06—Integrated circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/36—Memories

Abstract

내용 없음No content

Description

전자식 간이 교환장치의 복합주파수 단축 다이알 및 재다이알 장치Complex Frequency Reduction Dial and Redial Device of Electronic Simple Switching System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 복합주파수 단축 다이알 및 재다이알 장치의 회로도.1 is a circuit diagram of a combined frequency reduction dial and redial apparatus of the present invention.

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

CPU : 중앙연산처리장치 M1: 메모리 소자 B1: 바테리 백업 회로 IC1,IC3: 랫치회로 IC2: 복합 주파수 발생소자 IC4: 아날로그 스위치 IC5: 계전기 구동회로 TR1: 트랜지스터 T1: 트랜스 R1,R2,R3: 저항 RL1,RL2,RLn : 계전기CPU: Central processing unit M 1 : Memory element B 1 : Battery backup circuit IC 1 , IC 3 : Latch circuit IC 2 : Complex frequency generating device IC 4 : Analog switch IC 5 : Relay drive circuit TR 1 : Transistor T 1 : Transformer R 1 , R 2 , R 3 : Resistance RL 1 , RL 2 , RLn: Relay

Claims (1)

복합주파수 방식 다이알을 채용하고 있는 전자식 간이 교환장치에 있어서, 중앙 연산처리장치(CPU)의 제어신호에 따라 계전기 구동회로(IC5)가 계전기(RL1),(RL2)를구동시켜그의스위치(RL11),(RL12),(RL21),(RL22)가접점(b),(d),(f),(h)에 접속되어 송출 통화로를 형성하고, 메모리 소자(M1)에 가억된 단축다이알 및 재다이알의 메모리 값이 랫치회로(IC1)를 통하여 복합주파수 신호 발생소자(IC2)에 인가되어 복합주파수 신호를 발생하며, 이 복합주파수 신호가 아날로그 스위치(IC4)에 인가되어 렛치회로(IC3)의 출력신호에 따라 출력단자(A1,A2, …An) 중 하나로 출력되어 트랜지스터(TR1)의 베이스에 인가되고, 트랜지스터(TR1)의 콜렉터에 나타난 출력신호는 트랜스(T1)를 통하여 국선회로(L3),(L4)에 송출되고, 에미터에 나타난 출력신호는 저항(R2)를 통하여 가입자 전화기 선로(L1),(L2)에 인가되게 함을 특징으로 하는 전자식 간이 교환장치의 복합주파수 단축다이알 및 재다이알장치.In an electronic simple exchange device employing a multi-frequency dial, the relay drive circuit IC 5 drives the relays RL 1 and RL 2 in accordance with a control signal of the central processing unit (CPU). (RL 11 ), (RL 12 ), (RL 21 ), and (RL 22 ) are connected to the contacts (b), (d), (f) and (h) to form an outgoing currency path, and the memory element M 1) is applied to the multi-frequency signal generating element (IC 2) the speed of memory values of the dial and re-dial gaeok this via the latch circuit (IC 1) and generating a multi-frequency signal in, the multi-frequency signal is an analog switch (IC 4) is applied is output to one of the Stretch circuit (IC 3) according to an output signal output terminals (a 1, a 2, of ... An) to be applied to the base of the transistor (TR 1), the collector of the transistor (TR 1) The output signal shown in is sent to the trunk line circuits L 3 and L 4 through the transformer T 1 , and the output signal shown in the emitter outputs the resistor R 2 . Complex frequency reduction dial and redial device of the electronic simplified switching system, characterized in that applied to the subscriber telephone line (L 1 ), (L 2 ) through. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840000507A 1984-02-03 1984-02-03 Complex Frequency Reduction Dial and Redial Device of Electronic Simple Switching System KR850006282A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1019840000507A KR850006282A (en) 1984-02-03 1984-02-03 Complex Frequency Reduction Dial and Redial Device of Electronic Simple Switching System
KR2019850014440U KR860000113Y1 (en) 1984-02-03 1985-10-31 Electronic switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019840000507A KR850006282A (en) 1984-02-03 1984-02-03 Complex Frequency Reduction Dial and Redial Device of Electronic Simple Switching System

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR2019850014440U Division KR860000113Y1 (en) 1984-02-03 1985-10-31 Electronic switching system

Publications (1)

Publication Number Publication Date
KR850006282A true KR850006282A (en) 1985-10-02

Family

ID=26627332

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019840000507A KR850006282A (en) 1984-02-03 1984-02-03 Complex Frequency Reduction Dial and Redial Device of Electronic Simple Switching System
KR2019850014440U KR860000113Y1 (en) 1984-02-03 1985-10-31 Electronic switching system

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR2019850014440U KR860000113Y1 (en) 1984-02-03 1985-10-31 Electronic switching system

Country Status (1)

Country Link
KR (2) KR850006282A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030025217A (en) * 2002-10-25 2003-03-28 박지훈 Device for Assembling Fishing Components

Also Published As

Publication number Publication date
KR860000113Y1 (en) 1986-02-12

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E902 Notification of reason for refusal
WICV Withdrawal of application forming a basis of a converted application