IT1077963B - Perfezionamento nei circuiti antiinterferenza per registratori video - Google Patents

Perfezionamento nei circuiti antiinterferenza per registratori video

Info

Publication number
IT1077963B
IT1077963B IT47802/77A IT4780277A IT1077963B IT 1077963 B IT1077963 B IT 1077963B IT 47802/77 A IT47802/77 A IT 47802/77A IT 4780277 A IT4780277 A IT 4780277A IT 1077963 B IT1077963 B IT 1077963B
Authority
IT
Italy
Prior art keywords
improvement
video recorders
interference circuits
interference
circuits
Prior art date
Application number
IT47802/77A
Other languages
English (en)
Original Assignee
Ampex
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
Application filed by Ampex filed Critical Ampex
Application granted granted Critical
Publication of IT1077963B publication Critical patent/IT1077963B/it

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
    • H04N9/7912—Suppression of interfering signals at the reproducing side, e.g. noise the interfering signals being intermodulation signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
IT47802/77A 1976-03-19 1977-01-26 Perfezionamento nei circuiti antiinterferenza per registratori video IT1077963B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/668,379 US4052740A (en) 1976-03-19 1976-03-19 Moire interference reducing circuit for fm video recorders

Publications (1)

Publication Number Publication Date
IT1077963B true IT1077963B (it) 1985-05-08

Family

ID=24682098

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47802/77A IT1077963B (it) 1976-03-19 1977-01-26 Perfezionamento nei circuiti antiinterferenza per registratori video

Country Status (9)

Country Link
US (1) US4052740A (it)
JP (1) JPS5923153B2 (it)
BE (1) BE852618A (it)
CA (1) CA1105129A (it)
DE (1) DE2712006C3 (it)
FR (1) FR2345039A1 (it)
GB (1) GB1573129A (it)
IT (1) IT1077963B (it)
NL (1) NL7701035A (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130811A (en) * 1977-12-27 1978-12-19 Hughes Aircraft Company Modulation system
JPS54143021A (en) * 1978-04-28 1979-11-07 Sony Corp Processing circuit of video signal
NL7805232A (nl) * 1978-05-16 1979-11-20 Philips Nv Werkwijze voor het reduceren van interferentiekomponenten in een frequentiegemoduleerd signaal en inrichting voor het uitvoeren van deze werkwijze.
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
JPS56144690A (en) * 1980-04-14 1981-11-11 Matsushita Electric Ind Co Ltd Recording system for video signal
EP0041872B1 (en) * 1980-06-11 1985-02-27 Matsushita Electric Industrial Co., Ltd. Phase difference compensation between separately recorded luminance and chrominance signals
US4435734A (en) 1981-11-12 1984-03-06 Vas Corporation FM Video recording and reproducing system
JPS63185177A (ja) * 1987-01-27 1988-07-30 Sony Corp 周波数変調回路
KR900008750B1 (ko) * 1987-07-21 1990-11-29 마쓰시다덴기산교 가부시기가이샤 Fm 복조회로
US4908581A (en) * 1988-07-21 1990-03-13 Matsushita Electric Industrial Co., Ltd. Frequency demodulator having circuit cancelling undesired signal components

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3084224A (en) * 1958-12-18 1963-04-02 Rca Corp Magnetic recording
JPS5228713B2 (it) * 1973-07-31 1977-07-28
JPS5094828A (it) * 1973-12-21 1975-07-28
US3893168A (en) * 1974-03-07 1975-07-01 Rca Corp Technique for minimizing interference in video recorder reproducer systems

Also Published As

Publication number Publication date
JPS52114219A (en) 1977-09-24
FR2345039A1 (fr) 1977-10-14
DE2712006C3 (de) 1980-07-03
DE2712006B2 (de) 1979-10-25
CA1105129A (en) 1981-07-14
GB1573129A (en) 1980-08-13
JPS5923153B2 (ja) 1984-05-31
DE2712006A1 (de) 1977-09-22
NL7701035A (nl) 1977-09-21
BE852618A (fr) 1977-07-18
US4052740A (en) 1977-10-04
FR2345039B1 (it) 1980-04-18

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940129