DE69434456D1 - Gerät zum Steuern der Aufzeichnung und Wiedergabe in einem digitalen Videokassettenrekorder - Google Patents

Gerät zum Steuern der Aufzeichnung und Wiedergabe in einem digitalen Videokassettenrekorder

Info

Publication number
DE69434456D1
DE69434456D1 DE69434456T DE69434456T DE69434456D1 DE 69434456 D1 DE69434456 D1 DE 69434456D1 DE 69434456 T DE69434456 T DE 69434456T DE 69434456 T DE69434456 T DE 69434456T DE 69434456 D1 DE69434456 D1 DE 69434456D1
Authority
DE
Germany
Prior art keywords
playback
digital video
video cassette
cassette recorder
controlling recording
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
Application number
DE69434456T
Other languages
English (en)
Other versions
DE69434456T2 (de
Inventor
Je Hyung Lee
Soo Kyung Kim
Sang Joon Woo
Tae Seok Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19354079&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69434456(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of DE69434456D1 publication Critical patent/DE69434456D1/de
Application granted granted Critical
Publication of DE69434456T2 publication Critical patent/DE69434456T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/78Television signal recording using magnetic recording
    • H04N5/782Television signal recording using magnetic recording on tape
    • H04N5/783Adaptations for reproducing at a rate different from the recording rate
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808Driving of both record carrier and head
    • G11B15/1875Driving of both record carrier and head adaptations for special effects or editing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/005Reproducing at a different information rate from the information rate of recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
    • G11B27/324Duty cycle modulation of control pulses, e.g. VHS-CTL-coding systems, RAPID-time code, VASS- or VISS-cue signals
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00847Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
    • G11B5/0086Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09Digital recording
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • G11B5/588Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
    • G11B5/592Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads
    • G11B5/5921Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads using auxiliary signals, e.g. pilot signals
    • G11B5/5926Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads using bimorph elements supporting the heads using auxiliary signals, e.g. pilot signals recorded in separate tracks, e.g. servo tracks
    • G11B5/5927Helicoidal tracks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/78Television signal recording using magnetic recording
    • H04N5/782Television signal recording using magnetic recording on tape
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H04N5/9261Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction
    • H04N5/9262Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation involving data reduction using predictive coding
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46Controlling, regulating, or indicating speed
    • G11B15/467Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
    • G11B15/4673Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling the speed of the tape while the head is rotating
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46Controlling, regulating, or indicating speed
    • G11B15/48Starting; Accelerating; Decelerating; Arrangements preventing malfunction during drive change
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46Controlling, regulating, or indicating speed
    • G11B15/52Controlling, regulating, or indicating speed by using signals recorded on, or derived from, record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/90Tape-like record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/90Tape-like record carriers
    • G11B2220/91Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/78Television signal recording using magnetic recording
    • H04N5/782Television signal recording using magnetic recording on tape
    • H04N5/78206Recording using a special track configuration, e.g. crossing, overlapping
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/78Television signal recording using magnetic recording
    • H04N5/782Television signal recording using magnetic recording on tape
    • H04N5/7824Television signal recording using magnetic recording on tape with rotating magnetic heads
    • H04N5/7826Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape
    • H04N5/78263Television 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
    • H04N5/78266Television 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 using more than one track for the recording of one television field or frame, i.e. segmented recording
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/797Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal
    • H04N9/7973Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal by dividing the luminance or colour component signal samples or frequency bands among a plurality of recording channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
DE69434456T 1993-04-16 1994-04-13 Gerät zum Steuern der Aufzeichnung und Wiedergabe in einem digitalen Videokassettenrekorder Expired - Fee Related DE69434456T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR9306441 1993-04-16
KR1019930006441A KR970005641B1 (ko) 1993-04-16 1993-04-16 디지탈 브이씨알의 기록 및 재생제어회로

Publications (2)

Publication Number Publication Date
DE69434456D1 true DE69434456D1 (de) 2005-09-22
DE69434456T2 DE69434456T2 (de) 2006-02-16

Family

ID=19354079

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69435252T Expired - Lifetime DE69435252D1 (de) 1993-04-16 1994-04-13 Digitaler Aufzeichnungsträger und Verfahren und Anordnung zur Steuerung der Aufzeichnung und der Wiedergabe im digitalen Aufzeichnungsträger
DE69434456T Expired - Fee Related DE69434456T2 (de) 1993-04-16 1994-04-13 Gerät zum Steuern der Aufzeichnung und Wiedergabe in einem digitalen Videokassettenrekorder

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69435252T Expired - Lifetime DE69435252D1 (de) 1993-04-16 1994-04-13 Digitaler Aufzeichnungsträger und Verfahren und Anordnung zur Steuerung der Aufzeichnung und der Wiedergabe im digitalen Aufzeichnungsträger

Country Status (5)

Country Link
US (9) US5587789A (de)
EP (3) EP1298924B1 (de)
JP (1) JP3108274B2 (de)
KR (1) KR970005641B1 (de)
DE (2) DE69435252D1 (de)

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US5949948A (en) * 1995-11-20 1999-09-07 Imedia Corporation Method and apparatus for implementing playback features for compressed video data
JP3206468B2 (ja) * 1996-12-25 2001-09-10 日本ビクター株式会社 ディジタル信号記録方法
KR100230301B1 (ko) 1997-07-02 1999-11-15 윤종용 검색시 화면깨짐을 방지한 디지털 비디오 카메라 및 그에 따른 화면 처리방법
KR100259295B1 (ko) * 1997-08-29 2000-06-15 구자홍 메모리 제어 장치
US5917990A (en) * 1998-04-22 1999-06-29 Pinnacle Systems, Inc. Process for precisely identifying a desired location on a video tape
US7298959B1 (en) 1999-12-16 2007-11-20 Sharp Laboratories Of America, Inc. Method and apparatus for storing MPEG-2 transport streams using a conventional digital video recorder
JP3797236B2 (ja) * 2001-04-27 2006-07-12 日本ビクター株式会社 記録再生装置および記録再生方法
JP3867667B2 (ja) * 2002-12-24 2007-01-10 船井電機株式会社 データ記憶再生装置
US20040223735A1 (en) * 2003-05-05 2004-11-11 Shu Lin Forward trick modes on non-progressive video using special groups of pictures
TWI226574B (en) * 2003-10-31 2005-01-11 Primax Electronics Ltd Method for playback flow control
KR100636965B1 (ko) * 2004-10-19 2006-10-19 (주)토필드 녹화제어장치 및 녹화제어방법
US8724251B2 (en) * 2010-03-09 2014-05-13 Hewlett-Packard Development Company, L.P. Method and system for providing tape-format compatibility between various types of tape heads
CN112188254A (zh) * 2020-09-29 2021-01-05 深圳创维-Rgb电子有限公司 基于电视端的视频播放倍速切换处理方法、装置
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EP2131582A1 (de) 2009-12-09
USRE41042E1 (en) 2009-12-15
EP0620683B1 (de) 2005-08-17
EP0620683A3 (de) 1995-05-31
DE69435252D1 (de) 2009-12-31
JPH0723326A (ja) 1995-01-24
EP1298924A2 (de) 2003-04-02
USRE42795E1 (en) 2011-10-04
EP1298924B1 (de) 2009-11-18
USRE41820E1 (en) 2010-10-12
USRE41611E1 (en) 2010-08-31
JP3108274B2 (ja) 2000-11-13
EP2131582B1 (de) 2014-03-12
USRE41125E1 (en) 2010-02-16
USRE38868E1 (en) 2005-11-08
USRE42679E1 (en) 2011-09-06
USRE41971E1 (en) 2010-11-30
DE69434456T2 (de) 2006-02-16
EP1298924A3 (de) 2004-06-23
US5587789A (en) 1996-12-24
EP0620683A2 (de) 1994-10-19
KR970005641B1 (ko) 1997-04-18

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