KR0142298B1 - 복합 주파수 수신기의 타이밍 유효 판정방법 - Google Patents
복합 주파수 수신기의 타이밍 유효 판정방법Info
- Publication number
- KR0142298B1 KR0142298B1 KR1019930031386A KR930031386A KR0142298B1 KR 0142298 B1 KR0142298 B1 KR 0142298B1 KR 1019930031386 A KR1019930031386 A KR 1019930031386A KR 930031386 A KR930031386 A KR 930031386A KR 0142298 B1 KR0142298 B1 KR 0142298B1
- Authority
- KR
- South Korea
- Prior art keywords
- digit
- current
- buffer
- previous
- timing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
-
- 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
- H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
- H04M2201/18—Comparators
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (2)
- 샘플신호를 디지탈 신호처리하여 규격시험에 적합한지를 판정하는 규격시험 판정결과 규격 시험에 만족하지 못하는 경우 휴지시간 타이밍 유효판정을 수행하는 타이밍 유효 판정 과정과 상기 규격 시험 판정결과 규격시험에 만족할시 현재 디지트를 검출하여 그 유효성을 판정 하는 현재 디지트 유효성 판정과정과, 상기 현재 디지트 유효성 판정결과 유효할시 디지트 출력 플래그 설정을 검색한 결과 플래그 설정이 않되었을시 현재 디지트와 이전 디지트를 비교하여 같지 않을 경우 버퍼 디지트와 비교하여 현재 디지트와 갈지 않을 경우 현재 디지트를 버퍼 디지트에 저장하는 디지트 비교 과정과, 상기 현재 디지트와 버퍼 디지트가 같을 경우 현재 디지트를 이전 디지트 및 버퍼 디지트에 저장하는 현재 디지트 저장과정으로 이루어짐을 특징으로 하는 복합 주파수 수신기의 타이밍 유효판정 방법 .
- 제 1 항에 있어서, 휴지시간 타이밍 유효 판정과정은 상기 검출된 디지트가 유효하지 않을 경우 더미 데이타에 저장된 현재 디지트를 이전 디지트와 비교하는 이전 디지트 비교과정과, 상기 이전 디지트 비교결과 현재 디지트가 같지 않을 경우 현재 디지트와 버퍼 디지트를 비교하여 같을 경우 현재 디지트를 이전 디지트 및 버퍼 디지트에 각각 저장하고 상기 비교결과 다를 경우 상기 현재 디지트를 버퍼디지트에 저장하는 현재 디지트 저장과정으로 이루어짐을 특징으로 하는 복합 주파수 수신기의 타이밍 유효 판정방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930031386A KR0142298B1 (ko) | 1993-12-30 | 1993-12-30 | 복합 주파수 수신기의 타이밍 유효 판정방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930031386A KR0142298B1 (ko) | 1993-12-30 | 1993-12-30 | 복합 주파수 수신기의 타이밍 유효 판정방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950022562A KR950022562A (ko) | 1995-07-28 |
| KR0142298B1 true KR0142298B1 (ko) | 1998-07-01 |
Family
ID=19374369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019930031386A Expired - Fee Related KR0142298B1 (ko) | 1993-12-30 | 1993-12-30 | 복합 주파수 수신기의 타이밍 유효 판정방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR0142298B1 (ko) |
-
1993
- 1993-12-30 KR KR1019930031386A patent/KR0142298B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR950022562A (ko) | 1995-07-28 |
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