SE7707847L - Apparat som eliminerar oljud och overhoring vid registrering och reproducering av videosignaler - Google Patents

Apparat som eliminerar oljud och overhoring vid registrering och reproducering av videosignaler

Info

Publication number
SE7707847L
SE7707847L SE7707847A SE7707847A SE7707847L SE 7707847 L SE7707847 L SE 7707847L SE 7707847 A SE7707847 A SE 7707847A SE 7707847 A SE7707847 A SE 7707847A SE 7707847 L SE7707847 L SE 7707847L
Authority
SE
Sweden
Prior art keywords
recording
video signals
emphasis
reproducing
frequency
Prior art date
Application number
SE7707847A
Other languages
English (en)
Swedish (sv)
Other versions
SE438934B (sv
Inventor
J Hirai
Original Assignee
Sony Corp
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
Priority claimed from JP51080127A external-priority patent/JPS606034B2/ja
Priority claimed from JP2185077A external-priority patent/JPS53106106A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of SE7707847L publication Critical patent/SE7707847L/
Publication of SE438934B publication Critical patent/SE438934B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H04N9/7917—Suppression of interfering signals at the reproducing side, e.g. noise the interfering signals being cross-talk signals
    • 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
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation 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
    • H04N9/83—Transformation 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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/84—Transformation 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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal the recorded signal showing a feature, which is different in adjacent track parts, e.g. different phase or frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
SE7707847A 1976-07-06 1977-07-05 Apparat for uppteckning och reproducering av videosignaler SE438934B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP51080127A JPS606034B2 (ja) 1976-07-06 1976-07-06 磁気記録装置
JP2185077A JPS53106106A (en) 1977-02-28 1977-02-28 Signal transmitting system

Publications (2)

Publication Number Publication Date
SE7707847L true SE7707847L (sv) 1978-01-07
SE438934B SE438934B (sv) 1985-05-13

Family

ID=26358975

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7707847A SE438934B (sv) 1976-07-06 1977-07-05 Apparat for uppteckning och reproducering av videosignaler

Country Status (12)

Country Link
US (1) US4290082A ( )
AT (1) AT378884B ( )
AU (1) AU514329B2 ( )
BR (1) BR7704424A ( )
CA (1) CA1119286A ( )
DE (1) DE2730131A1 ( )
ES (3) ES460412A1 ( )
FR (1) FR2357974A1 ( )
GB (1) GB1579138A ( )
IT (1) IT1079752B ( )
NL (1) NL192861C ( )
SE (1) SE438934B ( )

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396953A (en) * 1979-12-06 1983-08-02 Victor Company Of Japan, Ltd. Color video signal dubbing system for collating the outputs of signal sources
JPS57125588A (en) * 1981-01-29 1982-08-04 Sony Corp Digital reproducing device for video signal
JPS57138009A (en) * 1981-02-20 1982-08-26 Hitachi Ltd Magnetic recorder and reproducer
JPS57140085A (en) * 1981-02-23 1982-08-30 Hitachi Ltd Audio signal recording and reproducing circuit
JPS57166786A (en) * 1981-04-06 1982-10-14 Sony Corp Video signal processing circuit
JPS5812149A (ja) * 1981-07-15 1983-01-24 Nippon Columbia Co Ltd ビデオ・デイスク及びその記録装置
EP0077010B1 (de) * 1981-10-14 1986-03-12 TELEFUNKEN Fernseh und Rundfunk GmbH Schaltung zur Versteilerung der Flanken eines Videosignals, insbesondere für einen Videorecorder
US4630132A (en) * 1982-12-08 1986-12-16 Hitachi, Ltd. Video signal recording/reproducing apparatus
JPS61210564A (ja) * 1985-02-18 1986-09-18 Toshiba Corp 記録媒体
US4761690A (en) * 1985-09-05 1988-08-02 Matsushita Electric Industrial Co., Ltd. Video tape recorder with particular format chrominance and luminance information
DE277000T1 (de) * 1987-01-27 1988-11-24 Victor Company Of Japan, Ltd., Yokohama, Kanagawa, Jp Geraet zur magnetischen aufzeichnung und/oder wiedergabe.
US5126846A (en) * 1988-08-08 1992-06-30 Kabushiki Kaisha Toshiba Non-linear amplifier and non-linear emphasis/deemphasis circuit using the same
KR940002656Y1 (ko) * 1989-05-26 1994-04-22 삼성전자 주식회사 디지탈 vcr의 동기 신호 공유회로
JP2768741B2 (ja) * 1989-06-12 1998-06-25 パイオニア株式会社 情報記録装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3288930A (en) * 1964-11-12 1966-11-29 Winston Res Corp Wide-band signal-translating channel
US3728475A (en) * 1969-07-04 1973-04-17 Victor Company Of Japan Beat signal suppression system for a system for transmitting a frequency modulated wave or a device for recording and reproducing a frequency modulated wave
US3781488A (en) * 1971-06-22 1973-12-25 Bell & Howell Co Playback system with frequency equalization by cascaded circuits performing in accordance with partial fraction expansions of factorial equalizing function terms
US3729693A (en) * 1971-08-02 1973-04-24 R Dolby Compressor/expander switching methods and apparatus

Also Published As

Publication number Publication date
DE2730131C2 ( ) 1991-06-20
US4290082A (en) 1981-09-15
DE2730131A1 (de) 1978-01-19
FR2357974B1 ( ) 1982-12-10
BR7704424A (pt) 1978-04-04
ES470840A1 (es) 1979-02-01
ES460412A1 (es) 1978-12-01
AU514329B2 (en) 1981-02-05
NL192861B (nl) 1997-11-03
CA1119286A (en) 1982-03-02
NL7707529A (nl) 1978-01-10
ES470841A1 (es) 1979-02-01
IT1079752B (it) 1985-05-13
SE438934B (sv) 1985-05-13
AU2668577A (en) 1979-01-04
ATA484677A (de) 1985-02-15
NL192861C (nl) 1998-03-04
GB1579138A (en) 1980-11-12
FR2357974A1 (fr) 1978-02-03
AT378884B (de) 1985-10-10

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