CA1063715A - Undesired signal canceller - Google Patents

Undesired signal canceller

Info

Publication number
CA1063715A
CA1063715A CA255,314A CA255314A CA1063715A CA 1063715 A CA1063715 A CA 1063715A CA 255314 A CA255314 A CA 255314A CA 1063715 A CA1063715 A CA 1063715A
Authority
CA
Canada
Prior art keywords
signal
carrier
output
frequency
amplitude
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
Application number
CA255,314A
Other languages
English (en)
French (fr)
Inventor
Masahiro Tada
Takao Sumi
Masayuki Hongu
Yoshio Ishigaki
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.)
Sony Corp
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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1063715A publication Critical patent/CA1063715A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Noise Elimination (AREA)
CA255,314A 1975-07-01 1976-06-21 Undesired signal canceller Expired CA1063715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50081250A JPS524737A (en) 1975-07-01 1975-07-01 Ghost image elimination circuit

Publications (1)

Publication Number Publication Date
CA1063715A true CA1063715A (en) 1979-10-02

Family

ID=13741135

Family Applications (1)

Application Number Title Priority Date Filing Date
CA255,314A Expired CA1063715A (en) 1975-07-01 1976-06-21 Undesired signal canceller

Country Status (7)

Country Link
US (1) US4081837A (OSRAM)
JP (1) JPS524737A (OSRAM)
CA (1) CA1063715A (OSRAM)
DE (1) DE2629651A1 (OSRAM)
FR (1) FR2316817A1 (OSRAM)
GB (1) GB1506687A (OSRAM)
NL (1) NL7607225A (OSRAM)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1595636A (en) * 1977-07-22 1981-08-12 Mitsubishi Electric Corp Apparatus for reducing ghosting of tv pictures
DE2734865C2 (de) * 1977-08-03 1986-08-21 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltungsanordnungen zur Verminderung von Störungen
JPS5932015B2 (ja) * 1978-02-01 1984-08-06 ケイディディ株式会社 インパルス性雑音の除去方式
US4249260A (en) * 1978-07-27 1981-02-03 Fisher Charles B Noise-reducing apparatus
JPS55142071U (OSRAM) * 1979-03-29 1980-10-11
JPS56100579A (en) * 1980-01-12 1981-08-12 Sony Corp Ghost eliminating device
US4458355A (en) * 1981-06-11 1984-07-03 Hycom Incorporated Adaptive phase lock loop
US4364093A (en) * 1981-06-16 1982-12-14 Rca Corporation Television ghost cancellation system with phase-controlled remodulation
US7444126B1 (en) * 1995-12-22 2008-10-28 Microtune (Texas), L.P. Signal-to-noise optimized fully monolithic video receiver IF channel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448635A (en) * 1945-03-30 1948-09-07 Rca Corp Echo reducing circuit for television receivers
US3213450A (en) * 1962-12-21 1965-10-19 Gen Electric Undesired signal canceller
FR1430552A (fr) * 1964-03-13 1966-03-04 Bofors Ab Dispositif pour le fitrage passe-bas d'un signal modulé en amplitude sur une onde porteuse
FR1554577A (OSRAM) * 1965-03-10 1969-01-24
DE1908247B2 (de) * 1969-02-19 1971-03-04 Fernseh Gmbh, 6100 Darmstadt Schaltungsanordnung zur verringerung von stoerungen hoeherer frequenz (rauschen) in breitbandigen elektrischen signalen insbesondere fernsehsignalen

Also Published As

Publication number Publication date
GB1506687A (en) 1978-04-12
US4081837A (en) 1978-03-28
JPS524737A (en) 1977-01-14
FR2316817B1 (OSRAM) 1982-12-31
NL7607225A (nl) 1977-01-04
DE2629651A1 (de) 1977-01-27
FR2316817A1 (fr) 1977-01-28

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