JPS6486678A - Field cyclic type noise reducer - Google Patents

Field cyclic type noise reducer

Info

Publication number
JPS6486678A
JPS6486678A JP62242830A JP24283087A JPS6486678A JP S6486678 A JPS6486678 A JP S6486678A JP 62242830 A JP62242830 A JP 62242830A JP 24283087 A JP24283087 A JP 24283087A JP S6486678 A JPS6486678 A JP S6486678A
Authority
JP
Japan
Prior art keywords
noise
frequency
providing
circuit
characteristic
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
JP62242830A
Other languages
English (en)
Other versions
JP2575412B2 (ja
Inventor
Yukio Fujii
Masuo Oku
Yoshimichi Kudo
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62242830A priority Critical patent/JP2575412B2/ja
Publication of JPS6486678A publication Critical patent/JPS6486678A/ja
Application granted granted Critical
Publication of JP2575412B2 publication Critical patent/JP2575412B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
JP62242830A 1987-09-29 1987-09-29 フィールド巡回型ノイズリデューサ Expired - Lifetime JP2575412B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62242830A JP2575412B2 (ja) 1987-09-29 1987-09-29 フィールド巡回型ノイズリデューサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62242830A JP2575412B2 (ja) 1987-09-29 1987-09-29 フィールド巡回型ノイズリデューサ

Publications (2)

Publication Number Publication Date
JPS6486678A true JPS6486678A (en) 1989-03-31
JP2575412B2 JP2575412B2 (ja) 1997-01-22

Family

ID=17094926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62242830A Expired - Lifetime JP2575412B2 (ja) 1987-09-29 1987-09-29 フィールド巡回型ノイズリデューサ

Country Status (1)

Country Link
JP (1) JP2575412B2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02272891A (ja) * 1989-04-14 1990-11-07 Hitachi Ltd クロマノイズリデューサ
JPH03258170A (ja) * 1990-03-08 1991-11-18 Matsushita Electric Ind Co Ltd ノイズ低減装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02272891A (ja) * 1989-04-14 1990-11-07 Hitachi Ltd クロマノイズリデューサ
JPH03258170A (ja) * 1990-03-08 1991-11-18 Matsushita Electric Ind Co Ltd ノイズ低減装置

Also Published As

Publication number Publication date
JP2575412B2 (ja) 1997-01-22

Similar Documents

Publication Publication Date Title
AU589610B2 (en) A video signal recursive filter with luma/chroma separation
JPS57121345A (en) Pulse noise eliminating circuit
JPS5717241A (en) Dynamic emphasis circuit
ATE46800T1 (de) Luminanz-chrominanzsignal-trennstufe.
JPS6486678A (en) Field cyclic type noise reducer
JPS6453689A (en) Video signal processing circuit
JPS6468009A (en) Active filter type signal adjusting circuit
ES2014691A6 (es) Aparato para el tratamiento intracuadros, selectivo en frecuencia, de una senal de video.
JPS6447112A (en) Noise reducer
JPS5795788A (en) Color television signal processor
JPS6425611A (en) Feedback type comb line filter
JPS6455970A (en) Noise reducing circuit
JPS6464480A (en) Emphasis/deemphasis circuit
JPS5644289A (en) Signal receiver
Nguyen et al. Noise performance of actively-compensated op-amp filters.
JPS6429082A (en) Color saturation control circuit
JPS641391A (en) Comb-line filter
JPS5783970A (en) Synchronizing pulse separating circuit
JPS57168592A (en) Encoding circuit
JPS6449310A (en) Digital filter device
JPS54130835A (en) Noise reduction system of chrominance subcarrier
JPS5755680A (en) Television receiver
JPS555591A (en) Filter unit for pulse pick up
JPS56149885A (en) Color signal processing circuit
JPS56140716A (en) Elastic surface wave filter