GB2328822B - Method for rejecting NTSC interference and NTSC interference rejection filter circuit using 3-stage notch filter - Google Patents

Method for rejecting NTSC interference and NTSC interference rejection filter circuit using 3-stage notch filter

Info

Publication number
GB2328822B
GB2328822B GB9726243A GB9726243A GB2328822B GB 2328822 B GB2328822 B GB 2328822B GB 9726243 A GB9726243 A GB 9726243A GB 9726243 A GB9726243 A GB 9726243A GB 2328822 B GB2328822 B GB 2328822B
Authority
GB
United Kingdom
Prior art keywords
ntsc interference
rejecting
filter circuit
stage notch
notch filter
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 - Fee Related
Application number
GB9726243A
Other versions
GB2328822A (en
GB9726243D0 (en
Inventor
Hwak-Dong Park
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.)
WiniaDaewoo Co Ltd
Original Assignee
Daewoo Electronics Co 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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of GB9726243D0 publication Critical patent/GB9726243D0/en
Publication of GB2328822A publication Critical patent/GB2328822A/en
Application granted granted Critical
Publication of GB2328822B publication Critical patent/GB2328822B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
GB9726243A 1997-08-30 1997-12-11 Method for rejecting NTSC interference and NTSC interference rejection filter circuit using 3-stage notch filter Expired - Fee Related GB2328822B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019970044660A KR100256449B1 (en) 1997-08-30 1997-08-30 Method for rejecting ntsc interference for using 3 step notch filter and a ntsc interference rejection filter circuit for reproming the same

Publications (3)

Publication Number Publication Date
GB9726243D0 GB9726243D0 (en) 1998-02-11
GB2328822A GB2328822A (en) 1999-03-03
GB2328822B true GB2328822B (en) 1999-07-14

Family

ID=19520294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9726243A Expired - Fee Related GB2328822B (en) 1997-08-30 1997-12-11 Method for rejecting NTSC interference and NTSC interference rejection filter circuit using 3-stage notch filter

Country Status (4)

Country Link
JP (1) JPH1175133A (en)
KR (1) KR100256449B1 (en)
CN (1) CN1210421A (en)
GB (1) GB2328822B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040096319A (en) * 2003-05-09 2004-11-16 삼성전자주식회사 Device remove a characteristic different interference signal and a method removing thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282023A (en) * 1992-05-14 1994-01-25 Hitachi America, Ltd. Apparatus for NTSC signal interference cancellation through the use of digital recursive notch filters
EP0772349A2 (en) * 1995-10-31 1997-05-07 Samsung Electronics Co., Ltd. Apparatus and method of controlling driving selection of NTSC rejection filter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5282023A (en) * 1992-05-14 1994-01-25 Hitachi America, Ltd. Apparatus for NTSC signal interference cancellation through the use of digital recursive notch filters
EP0772349A2 (en) * 1995-10-31 1997-05-07 Samsung Electronics Co., Ltd. Apparatus and method of controlling driving selection of NTSC rejection filter

Also Published As

Publication number Publication date
CN1210421A (en) 1999-03-10
KR100256449B1 (en) 2000-05-15
JPH1175133A (en) 1999-03-16
GB2328822A (en) 1999-03-03
GB9726243D0 (en) 1998-02-11
KR19990021153A (en) 1999-03-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011211