JPS57185729A - Rejector for waveform distortion - Google Patents

Rejector for waveform distortion

Info

Publication number
JPS57185729A
JPS57185729A JP56070947A JP7094781A JPS57185729A JP S57185729 A JPS57185729 A JP S57185729A JP 56070947 A JP56070947 A JP 56070947A JP 7094781 A JP7094781 A JP 7094781A JP S57185729 A JPS57185729 A JP S57185729A
Authority
JP
Japan
Prior art keywords
absolute values
values
total amount
waveform distortion
beta
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.)
Granted
Application number
JP56070947A
Other languages
Japanese (ja)
Other versions
JPH0126223B2 (en
Inventor
Shigehiro Ito
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Priority to JP56070947A priority Critical patent/JPS57185729A/en
Publication of JPS57185729A publication Critical patent/JPS57185729A/en
Publication of JPH0126223B2 publication Critical patent/JPH0126223B2/ja
Granted 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)

Abstract

PURPOSE:To prevent oscillating phenomenon due to mixing of noise, in rejecting waveform distortion such as ghost through the use of a cyclic filter, by providing a specific addition means, the 1st and 2nd comparison means, a subtraction means, and a conversion means. CONSTITUTION:An addition means 14 obtaining a total amount S of the absolute values of weight values of a plurality of weight means and their equivalent values in a cyclic filter, and the 1st comparison means 15 comparing the total amount S of the absolute values with a prescribed value alpha smaller than that at the presence of waveform distortion are provided. Further, the 2nd comparison means 18 comparing the said absolute values with a set value beta(S) when the total amount S of the absolute values exceeds the value alpha, a subtraction means 19 subtracting the said absolute values by a set value delta(S) and correcting it when the said absolute values are smaller than the set value beta(S), and a conversion means 17 setting the set values beta(S) and delta(S) in response to the change in the said total amount S are provided. Further, the correction value by the subtracting means 19 is taken as an output of the weight circuits.
JP56070947A 1981-05-12 1981-05-12 Rejector for waveform distortion Granted JPS57185729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56070947A JPS57185729A (en) 1981-05-12 1981-05-12 Rejector for waveform distortion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56070947A JPS57185729A (en) 1981-05-12 1981-05-12 Rejector for waveform distortion

Publications (2)

Publication Number Publication Date
JPS57185729A true JPS57185729A (en) 1982-11-16
JPH0126223B2 JPH0126223B2 (en) 1989-05-23

Family

ID=13446202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56070947A Granted JPS57185729A (en) 1981-05-12 1981-05-12 Rejector for waveform distortion

Country Status (1)

Country Link
JP (1) JPS57185729A (en)

Also Published As

Publication number Publication date
JPH0126223B2 (en) 1989-05-23

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