BR7704424A - Aperfeicoamento em aparelho para gravar sinais de nivel variavel,que se estendem por uma faixa de frequencia predeterminada - Google Patents

Aperfeicoamento em aparelho para gravar sinais de nivel variavel,que se estendem por uma faixa de frequencia predeterminada

Info

Publication number
BR7704424A
BR7704424A BR7704424A BR7704424A BR7704424A BR 7704424 A BR7704424 A BR 7704424A BR 7704424 A BR7704424 A BR 7704424A BR 7704424 A BR7704424 A BR 7704424A BR 7704424 A BR7704424 A BR 7704424A
Authority
BR
Brazil
Prior art keywords
appliance
improvement
extend
frequency band
predeterminated frequency
Prior art date
Application number
BR7704424A
Other languages
English (en)
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 BR7704424A publication Critical patent/BR7704424A/pt

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)
BR7704424A 1976-07-06 1977-07-06 Aperfeicoamento em aparelho para gravar sinais de nivel variavel,que se estendem por uma faixa de frequencia predeterminada BR7704424A (pt)

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 (1)

Publication Number Publication Date
BR7704424A true BR7704424A (pt) 1978-04-04

Family

ID=26358975

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7704424A BR7704424A (pt) 1976-07-06 1977-07-06 Aperfeicoamento em aparelho para gravar sinais de nivel variavel,que se estendem por uma faixa de frequencia predeterminada

Country Status (12)

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

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
DE3869148D1 (de) * 1987-01-27 1992-04-23 Victor Company Of Japan 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
SE438934B (sv) 1985-05-13
ES470840A1 (es) 1979-02-01
AT378884B (de) 1985-10-10
US4290082A (en) 1981-09-15
DE2730131C2 (pt) 1991-06-20
DE2730131A1 (de) 1978-01-19
ES460412A1 (es) 1978-12-01
FR2357974B1 (pt) 1982-12-10
IT1079752B (it) 1985-05-13
ATA484677A (de) 1985-02-15
NL192861C (nl) 1998-03-04
ES470841A1 (es) 1979-02-01
AU514329B2 (en) 1981-02-05
GB1579138A (en) 1980-11-12
CA1119286A (en) 1982-03-02
SE7707847L (sv) 1978-01-07
NL7707529A (nl) 1978-01-10
FR2357974A1 (fr) 1978-02-03
NL192861B (nl) 1997-11-03
AU2668577A (en) 1979-01-04

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