KR0127222B1 - 디지탈브이씨알의 식별코드 처리회로 - Google Patents
디지탈브이씨알의 식별코드 처리회로Info
- Publication number
- KR0127222B1 KR0127222B1 KR1019940024571A KR19940024571A KR0127222B1 KR 0127222 B1 KR0127222 B1 KR 0127222B1 KR 1019940024571 A KR1019940024571 A KR 1019940024571A KR 19940024571 A KR19940024571 A KR 19940024571A KR 0127222 B1 KR0127222 B1 KR 0127222B1
- Authority
- KR
- South Korea
- Prior art keywords
- identification code
- signal
- count
- sync
- output
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
- G11B20/1207—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only
- G11B20/1208—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with transverse tracks only for continuous data, e.g. digitised analog information signals, pulse code modulated [PCM] data
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1806—Pulse code modulation systems for audio signals
- G11B20/1809—Pulse code modulation systems for audio signals by interleaving
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
- H04N5/9261—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Error Detection And Correction (AREA)
Abstract
Description
Claims (3)
- 디지탈 데이타를 기록, 재생하는 디지탈 브이씨알에 있어서, 엔코딩된 디지탈 데이타의 위치정보를 식별코드로 구성하여 데이타와 함께 테이프에 기록하는 기록용식별코드 처리부(150)와, 상기 기록용식별코드처리부(150)에서 생성된 식별코드와 수직동기신호를 상승카운트하는 내부 카운터의 출력값으로 생성한 카운트식별코드를 상호 비교하여 식별코드의 에러 여부를 검출하고 그 식별코드에 에러가 발생되었을때 연속성을 실시하여 식별코드의 에러를 정정하는 재생용 식별코드 처리부(240)를 포함하여 구성한 것을 특징으로 하는 디지탈브이씨알의 식별코드 처리회로.
- 제1항에 있어서, 기록용식별코드 처리부(150)는 RS 엔코드(140)로부터 출력되는 영상데이타를 공급받고 그 영상데이타에 포함시키고자 하는 식별코드의 위치신호를 생성하는 식별코드위치신호 발생부(151)와, 블록동기신호(B-Sync)와 프레임동기신호(V-Sync)를 카운트하여 식별코드를 생성하는 카운트식별코드 발생부(152)와, 상기 식별코드위치신호 발생부(151)에서 지정된 식별코드의 위치에 상기 카운트식별코드 발생부(152)로부터 입력되는 식별코드를 삽입하는 식별코드 삽입부(153)로 구성한 것을 특징으로 하는 디지탈브이씨알의 식별코드 처리회로.
- 제1항에 있어서, 재생용식별코드 처리부(240)는 재생된 블록동기신호(B-Sync)와 프레임동기신호(V-Sync)를 이용하여 식별코드의 위치를 검출하는 식별코드 위치신호 발생부(241)와, 상기 식별코드 위치신호발생부(241)에서 출력된 위치정보를 근거로 식별코드를 검출해내는 식별코드 검출부(242)와, 연속되는 몇개의 블록식별코드를 비교하여 하나씩 증가되는지의 여부를 확인하고, 그 결과에 따른 증가정신호(INCRE-GOOD)를 출력하는 증가 평가부(243)와, 검출된 식별코드(DET-ID) 값에서 부터 카운트를 시작하여 자체적으로 카운트 식별코드(COUNT-ID)를 생성하고 로드신호(LOAD)가 입력될때 그 카운트 식별코드(COUNT-ID)를 출력하고, 동기신호를 정상적으로 검출하지 못할때 특정값을 카운트하여 캐리신호(91-CR)를 출력하는 카운트식별코드 발생부(244)와, 상기 식별코드 검출부(242)에서 출력되는 검출된 식별코드(DET-ID)와 상기 카운트식별코드 발생부(244)에서 출력되는 카운트 식별코드(COUNT-ID)를 비교하여 그 결과에 따른 식별코드, 위치표시신호(ID-P-MK), 비교정신호(COMP-GOOD)를 출력하는 비교기(245)와 상기증가평가부(243)에서 출력되는 증가정신호(INCRE-GOOD)와 비교기(245)에서출력되는 비교정신호(GOMP-GOOD)에 따라 상기 카운트식별코드 발생부(244)에 검출된 식별코드(DET-ID) 및 로드신호(LOAD)를 출력하는 카운터로드신호 발생부(246)와, 블록동기신호(B-Sync)와 프레임동기신호(V-Sync), 캐리신호(91- CR)를 근거로 유효데이타를 표시하는 유효데이타 표시부(247)로 구성한 것을 특징으로 하는 디지탈브이씨알의 식별코드 처리회로.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940024571A KR0127222B1 (ko) | 1994-09-28 | 1994-09-28 | 디지탈브이씨알의 식별코드 처리회로 |
US08/909,078 US5815635A (en) | 1994-09-28 | 1997-08-14 | Identification code processing apparatus for digital VCR |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940024571A KR0127222B1 (ko) | 1994-09-28 | 1994-09-28 | 디지탈브이씨알의 식별코드 처리회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960011956A KR960011956A (ko) | 1996-04-20 |
KR0127222B1 true KR0127222B1 (ko) | 1998-04-03 |
Family
ID=19393796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940024571A Expired - Fee Related KR0127222B1 (ko) | 1994-09-28 | 1994-09-28 | 디지탈브이씨알의 식별코드 처리회로 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5815635A (ko) |
KR (1) | KR0127222B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4366141B2 (ja) * | 2002-08-20 | 2009-11-18 | キヤノン株式会社 | 画像処理装置、画像処理方法、記憶媒体、及びプログラム |
KR100936033B1 (ko) * | 2003-07-04 | 2010-01-11 | 삼성전자주식회사 | 광 기록/재생 기기의 주소 정보의 효율적인 검출/정정방법 및 장치 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833664A (en) * | 1985-01-31 | 1989-05-23 | Matsushita Electric Industrial Co., Ltd. | Servo system for scanning the same track circumference of a spiral track on a disc shaped recording medium |
JP2745704B2 (ja) * | 1989-07-26 | 1998-04-28 | ソニー株式会社 | 情報伝送装置 |
JPH0834047B2 (ja) * | 1990-10-23 | 1996-03-29 | シャープ株式会社 | 磁気記録再生装置 |
US5321562A (en) * | 1991-03-17 | 1994-06-14 | Sony Corporation | Data recording and/or reproducing apparatus |
JP3306938B2 (ja) * | 1992-11-25 | 2002-07-24 | ソニー株式会社 | 同期符号抽出回路 |
US5349481A (en) * | 1993-06-10 | 1994-09-20 | Exabyte Corporation | Apparatus and method for distorted track data recovery by rewinding and re-reading the tape at a slower than nominal speed |
US5471351A (en) * | 1993-07-09 | 1995-11-28 | Fujitsu Limited | Method and apparatus of verifying accurate writing through comparisons of written and read data |
US5434719A (en) * | 1994-03-18 | 1995-07-18 | Seagate Technology, Inc. | Correction of header information in a magnetic disc drive |
-
1994
- 1994-09-28 KR KR1019940024571A patent/KR0127222B1/ko not_active Expired - Fee Related
-
1997
- 1997-08-14 US US08/909,078 patent/US5815635A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR960011956A (ko) | 1996-04-20 |
US5815635A (en) | 1998-09-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19940928 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19940928 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19970830 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19971021 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19971021 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20010716 |