KR0183723B1 - 두 개 신호 동시 기록 재생 브이티알 장치 - Google Patents
두 개 신호 동시 기록 재생 브이티알 장치 Download PDFInfo
- Publication number
- KR0183723B1 KR0183723B1 KR1019950021405A KR19950021405A KR0183723B1 KR 0183723 B1 KR0183723 B1 KR 0183723B1 KR 1019950021405 A KR1019950021405 A KR 1019950021405A KR 19950021405 A KR19950021405 A KR 19950021405A KR 0183723 B1 KR0183723 B1 KR 0183723B1
- Authority
- KR
- South Korea
- Prior art keywords
- recording
- signal
- reproducing
- switch unit
- digital time
- 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
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
-
- 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
- H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
- H04N5/9205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal the additional signal being at least another television signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/7824—Television signal recording using magnetic recording on tape with rotating magnetic heads
- H04N5/7826—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape
- H04N5/78263—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape for recording on tracks inclined relative to the direction of movement of the tape
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (1)
- 두 개 영상신호를 동시에 기록하고 재생하는 VTR 장치에 있어서, 제1영상신호를 받아들여 시간 축으로 신호를 압축시키고, 제2영상신호와 중첩되지 않도록 동기를 이루기 위해 동기요구신호(SYNC_REQ) 생성하는 제1디지탈 시간 압축/복원기; 제2영상신호를 받아들여 시간 축으로 신호를 압축시키는 제2디지탈 시간 압축/복원기; 상기 제2디지탈 시간 압축/복원기의 출력 신호와 상기 제1디지탈 시간 압축/복원기의 동기요구 신호를 받아, 상기 제1디지탈 시간 압축/복원기와 상기 제2디지탈 시간 압축/복원기의 출력 신호가 서로 중첩되지 않게 동기 시키는 동기 고정부(SYNC LOCK); 상기 제1디지탈 시간 압축/복원기의 출력 신호를 받아들여 녹화 재생하는 제1녹화 재생 회로; 상기 SYNC LOCK을 거친 제2영상 신호를 녹화 재생하는 제2녹화 재생회로; 채널 헤드와의 접속을 제어하는 제2스위치부와 연결되어 상기 제1녹화 재생회로와 상기 제2녹화 재생회로의 출력신호를 번갈아 가며 접속되도록 스위칭시키는 제1스위치부; 및 상기 제1스위치부를 통해 접속된 제1녹화 재생회로 신호와 제2녹화 재생회로 신호를 한 채널씩 녹화 재생되도록 제1채널 헤드 및 제2채널 헤드에 번갈아 가며 스위칭시키는 제2스위치부를 포함함을 특징으로 하여 이루어지는 두 개 영상 신호 동시 기록 재생 VTR 장치.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950021405A KR0183723B1 (ko) | 1995-07-20 | 1995-07-20 | 두 개 신호 동시 기록 재생 브이티알 장치 |
| US08/628,349 US5832174A (en) | 1995-07-20 | 1996-04-05 | Videocassette recorder for recording and reproducing a plurality signals |
| CN96105005A CN1109438C (zh) | 1995-07-20 | 1996-04-12 | 记录/重放多个信号录像机 |
| JP8111632A JPH0937210A (ja) | 1995-07-20 | 1996-05-02 | 複数信号の記録/再生vtr装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019950021405A KR0183723B1 (ko) | 1995-07-20 | 1995-07-20 | 두 개 신호 동시 기록 재생 브이티알 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970008103A KR970008103A (ko) | 1997-02-24 |
| KR0183723B1 true KR0183723B1 (ko) | 1999-04-15 |
Family
ID=19421065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019950021405A Expired - Fee Related KR0183723B1 (ko) | 1995-07-20 | 1995-07-20 | 두 개 신호 동시 기록 재생 브이티알 장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5832174A (ko) |
| JP (1) | JPH0937210A (ko) |
| KR (1) | KR0183723B1 (ko) |
| CN (1) | CN1109438C (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW566041B (en) * | 2001-07-06 | 2003-12-11 | Hitachi Ltd | Digital data recording device and output device |
| US7312831B2 (en) * | 2003-09-16 | 2007-12-25 | Wegener Communications, Inc. | Re-inserting VBI data using OSD apparatus and method |
| KR100571751B1 (ko) * | 2004-09-08 | 2006-04-18 | 삼성전자주식회사 | 동시녹화가 가능한 복합기록기기 및 그의 동시녹화방법 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59111484A (ja) * | 1982-12-17 | 1984-06-27 | Sony Corp | 映像信号の記録装置 |
| US4686582A (en) * | 1986-01-06 | 1987-08-11 | Eastman Kodak Company | Head switching in high resolution video reproduction apparatus |
| NL8601500A (nl) * | 1986-06-10 | 1988-01-04 | Philips Nv | Televisiebeeldweergeefinrichting. |
| US4862292A (en) * | 1987-08-26 | 1989-08-29 | Canon Kabushiki Kaisha | Digital information signal recording apparatus |
| JPH0210988A (ja) * | 1988-06-28 | 1990-01-16 | Matsushita Electric Ind Co Ltd | テレビジョン受信機 |
| GB8911834D0 (en) * | 1989-05-23 | 1989-07-12 | Legge & Company Limited J | New and improved latch |
| JP2969682B2 (ja) * | 1989-10-02 | 1999-11-02 | ソニー株式会社 | 磁気記録再生装置 |
| KR960009528B1 (en) * | 1991-01-08 | 1996-07-20 | Samsung Electronics Co Ltd | 2 signal simultaneous display circuit & method through screen division |
| JP3255308B2 (ja) * | 1992-12-18 | 2002-02-12 | ソニー株式会社 | データ再生装置 |
| US5395138A (en) * | 1993-06-14 | 1995-03-07 | Wallace Computer Services, Inc. | Security document verification system with pressure-rupturable microcapsules |
-
1995
- 1995-07-20 KR KR1019950021405A patent/KR0183723B1/ko not_active Expired - Fee Related
-
1996
- 1996-04-05 US US08/628,349 patent/US5832174A/en not_active Expired - Lifetime
- 1996-04-12 CN CN96105005A patent/CN1109438C/zh not_active Expired - Lifetime
- 1996-05-02 JP JP8111632A patent/JPH0937210A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0937210A (ja) | 1997-02-07 |
| KR970008103A (ko) | 1997-02-24 |
| CN1141489A (zh) | 1997-01-29 |
| CN1109438C (zh) | 2003-05-21 |
| US5832174A (en) | 1998-11-03 |
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