KR970060976A - Multi-channel dual tone multi-frequency and special tone detection apparatus and method - Google Patents
Multi-channel dual tone multi-frequency and special tone detection apparatus and method Download PDFInfo
- Publication number
- KR970060976A KR970060976A KR1019960002100A KR19960002100A KR970060976A KR 970060976 A KR970060976 A KR 970060976A KR 1019960002100 A KR1019960002100 A KR 1019960002100A KR 19960002100 A KR19960002100 A KR 19960002100A KR 970060976 A KR970060976 A KR 970060976A
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- tone
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- data
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- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Telephonic Communication Services (AREA)
Abstract
1. 청구 범위에 기재된 발명이 속한 기술분야:1. Field of the Invention:
교환기Exchanger
2. 발명이 해결하려고 하는 기술적 과제:2. Technical Problems to be Solved by the Invention:
하나의 집적회로로서, 다 채널의 DTMF및 특수 톤을 검출하는 장치 및 방법을 제공함에 있다.And an apparatus and method for detecting a multi-channel DTMF and a special tone as one integrated circuit.
3. 발명의 해결방법의 요지:3. The point of the inventive solution:
본 다 채널 이중음 다중 주파수 및 특수 톤 검출장치는 교환기에 있어서, 사용자 타임 슬롯을 할당하는 수단, 압축된 제1소정 비트의 각 채널 펄스코드모듈레이션 데이타들을 제2소정 비트로 신장하여 선형 데이타화 하는 수단, 할당된 타임 슬롯에 따라 채널별로 상기 선형 데이타를 저장하는 수단, 상기 선형 데이타를 이중음 다중 주파수 모드 혹은 특수 톤 모드로 구분하여 처리하기 위한 제어코드를 발생하는 수단, 설정된 모드에 따라 상기 선형 데이타로부터 이중음 다중 주파수 신호 혹은 특수 톤을 검출하고 이에 대응되는 디지트를 저장하는 수단으로 이루어진 하나의 집적회로와; 각 채널별 모드를 설정하여 상기 제어코드의 발생을 제어하며 상기 집적회로로부터 상기 디지트를 읽어가는 교환기 주제어부로 구성됨을 특징으로 한다.The multi-channel dual tone multi-frequency and special tone detection apparatus comprises means for allocating a user time slot, means for extending each channel pulse code modulation data of a compressed first predetermined bit to a second predetermined bit and linearizing the data, Means for storing the linear data for each channel according to the assigned time slot, means for generating a control code for dividing the linear data into a double tone multi-frequency mode or a special tone mode and processing the linear data, An integrated circuit comprising means for detecting a double tone multi-frequency signal or a special tone and storing the digit corresponding thereto; And an exchange main controller for setting the mode for each channel to control the generation of the control code and reading the digit from the integrated circuit.
4. 발명의 중요한 용도:4. Important Uses of the Invention:
하나의 집적회로로써 다 채널의 DTMF 및 특수 톤을 검출하는데 사용한다.It is used as a single integrated circuit to detect multi-channel DTMF and special tone.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.
제1도는 본 발명에 따른 다 채널 이중음 다중주파수 및 특수 톤 검출회로의 구성도.FIG. 1 is a block diagram of a multi-channel dual tone multi-frequency and special tone detection circuit according to the present invention; FIG.
제3도는 본 발명에 따른 다 채널 이중음 다중 주파수 및 특수 톤 검출 과정을 나타낸 흐름도.FIG. 3 is a flowchart illustrating a multi-channel dual tone multi-frequency and special tone detection process according to the present invention;
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960002100A KR0174695B1 (en) | 1996-01-30 | 1996-01-30 | Multi-channel dual tone multi-frequency and special tone detection device and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960002100A KR0174695B1 (en) | 1996-01-30 | 1996-01-30 | Multi-channel dual tone multi-frequency and special tone detection device and method |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970060976A true KR970060976A (en) | 1997-08-12 |
KR0174695B1 KR0174695B1 (en) | 1999-04-01 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019960002100A KR0174695B1 (en) | 1996-01-30 | 1996-01-30 | Multi-channel dual tone multi-frequency and special tone detection device and method |
Country Status (1)
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KR (1) | KR0174695B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100547826B1 (en) * | 1998-09-08 | 2006-03-23 | 삼성전자주식회사 | Memo during call of private exchange |
-
1996
- 1996-01-30 KR KR1019960002100A patent/KR0174695B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100547826B1 (en) * | 1998-09-08 | 2006-03-23 | 삼성전자주식회사 | Memo during call of private exchange |
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Publication number | Publication date |
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KR0174695B1 (en) | 1999-04-01 |
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