DE3100687C2 - - Google Patents

Info

Publication number
DE3100687C2
DE3100687C2 DE3100687A DE3100687A DE3100687C2 DE 3100687 C2 DE3100687 C2 DE 3100687C2 DE 3100687 A DE3100687 A DE 3100687A DE 3100687 A DE3100687 A DE 3100687A DE 3100687 C2 DE3100687 C2 DE 3100687C2
Authority
DE
Germany
Prior art keywords
circuit
ghost
signal
adder
period
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
DE3100687A
Other languages
German (de)
English (en)
Other versions
DE3100687A1 (de
Inventor
Kimitake Sagamihara Kanagawa Jp Utsunomiya
Hisafumi Tokio/Tokyo Jp Yamada
Choei Urawa Saitama Jp Kuriki
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
Publication of DE3100687A1 publication Critical patent/DE3100687A1/de
Application granted granted Critical
Publication of DE3100687C2 publication Critical patent/DE3100687C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03535—Variable structures
    • H04L2025/03547—Switching between time domain structures
    • H04L2025/03566—Switching between time domain structures between different tapped delay line structures
    • H04L2025/03573—Switching between time domain structures between different tapped delay line structures between recursive and non-recursive

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Picture Signal Circuits (AREA)
  • Filters That Use Time-Delay Elements (AREA)
DE19813100687 1980-01-12 1981-01-12 System zur beseitigung eines geistsignals in einem eine geistsignalkomponente enthaltenden bildsignal Granted DE3100687A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP229680A JPS56100579A (en) 1980-01-12 1980-01-12 Ghost eliminating device

Publications (2)

Publication Number Publication Date
DE3100687A1 DE3100687A1 (de) 1981-11-19
DE3100687C2 true DE3100687C2 (US07709020-20100504-C00041.png) 1989-02-02

Family

ID=11525397

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813100687 Granted DE3100687A1 (de) 1980-01-12 1981-01-12 System zur beseitigung eines geistsignals in einem eine geistsignalkomponente enthaltenden bildsignal

Country Status (8)

Country Link
US (1) US4344089A (US07709020-20100504-C00041.png)
JP (1) JPS56100579A (US07709020-20100504-C00041.png)
AU (1) AU540597B2 (US07709020-20100504-C00041.png)
CA (1) CA1146667A (US07709020-20100504-C00041.png)
DE (1) DE3100687A1 (US07709020-20100504-C00041.png)
FR (1) FR2473828B1 (US07709020-20100504-C00041.png)
GB (1) GB2068195B (US07709020-20100504-C00041.png)
NL (1) NL8100045A (US07709020-20100504-C00041.png)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4395729A (en) * 1981-08-31 1983-07-26 Rca Corporation Digital video signal processing filters with signal-to-noise enhancement
JPS58154979A (ja) * 1982-03-09 1983-09-14 Sony Corp ゴ−スト除去装置
JPS59211388A (ja) * 1983-05-17 1984-11-30 Toshiba Corp ゴ−スト除去装置
JPS59214387A (ja) * 1983-05-19 1984-12-04 Sony Corp ゴ−スト除去装置
US4733301A (en) * 1986-06-03 1988-03-22 Information Resources, Inc. Signal matching signal substitution
US4727424A (en) * 1986-10-16 1988-02-23 Rca Corporation Sampled data filtering system, including a crossbar switch matrix, as for a ghost cancellation system
JPH0211068A (ja) * 1988-06-29 1990-01-16 Nec Home Electron Ltd ゴースト除去装置
US5043814A (en) * 1989-10-06 1991-08-27 North American Philips Corporation Adaptive ghost cancellation circuit
US5237416A (en) * 1989-10-18 1993-08-17 Victor Company Of Japan, Ltd. Apparatus for removing waveform distortion from a video signal
US5278872A (en) * 1991-05-28 1994-01-11 North American Philips Corporation System and circuit architecture for echo cancellation and a television receiver comprising same
US5335020A (en) * 1993-03-03 1994-08-02 Rca Thomson Licensing Corporation IIR ghost cancelling system with reduction of filter instability

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044381A (en) * 1974-06-03 1977-08-23 Hitachi, Ltd. Automatic waveform equalizing system for television receiver
JPS524737A (en) * 1975-07-01 1977-01-14 Sony Corp Ghost image elimination circuit
US4127874A (en) * 1976-05-27 1978-11-28 Tokyo Shibaura Electric Co., Ltd. Apparatus for removing ghost signals from received video signals
JPS55142071U (US07709020-20100504-C00041.png) * 1979-03-29 1980-10-11

Also Published As

Publication number Publication date
CA1146667A (en) 1983-05-17
JPS56100579A (en) 1981-08-12
AU540597B2 (en) 1984-11-29
GB2068195B (en) 1983-10-05
GB2068195A (en) 1981-08-05
FR2473828A1 (fr) 1981-07-17
AU6595581A (en) 1981-07-23
JPS6316071B2 (US07709020-20100504-C00041.png) 1988-04-07
US4344089A (en) 1982-08-10
DE3100687A1 (de) 1981-11-19
NL8100045A (nl) 1981-08-03
FR2473828B1 (fr) 1986-04-11

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee