CN100353754C - 改进视频频率响应 - Google Patents

改进视频频率响应 Download PDF

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Publication number
CN100353754C
CN100353754C CNB001283936A CN00128393A CN100353754C CN 100353754 C CN100353754 C CN 100353754C CN B001283936 A CNB001283936 A CN B001283936A CN 00128393 A CN00128393 A CN 00128393A CN 100353754 C CN100353754 C CN 100353754C
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CN
China
Prior art keywords
tuning
correction value
revise
tuner
signal
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
CNB001283936A
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English (en)
Chinese (zh)
Other versions
CN1298257A (zh
Inventor
赫尔穆特·索维格
莱因哈德·索特
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of CN1298257A publication Critical patent/CN1298257A/zh
Application granted granted Critical
Publication of CN100353754C publication Critical patent/CN100353754C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • 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
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
CNB001283936A 1999-11-29 2000-11-28 改进视频频率响应 Expired - Fee Related CN100353754C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19957365.4 1999-11-29
DE19957365A DE19957365A1 (de) 1999-11-29 1999-11-29 Verbesserung des Videofrequenzgangs

Publications (2)

Publication Number Publication Date
CN1298257A CN1298257A (zh) 2001-06-06
CN100353754C true CN100353754C (zh) 2007-12-05

Family

ID=7930697

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB001283936A Expired - Fee Related CN100353754C (zh) 1999-11-29 2000-11-28 改进视频频率响应

Country Status (5)

Country Link
US (1) US6697128B1 (pt-PT)
EP (1) EP1104184A3 (pt-PT)
JP (1) JP2001189899A (pt-PT)
CN (1) CN100353754C (pt-PT)
DE (1) DE19957365A1 (pt-PT)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7110598B2 (en) * 2002-08-28 2006-09-19 Micron Technology, Inc. Automatic color constancy for image sensors
TWI387335B (zh) * 2008-05-26 2013-02-21 Novatek Microelectronics Corp 信號調節電路及其視訊裝置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1482241A (en) * 1974-05-08 1977-08-10 Indesit Circuit for the automatic tuning of a receiver
US5428405A (en) * 1993-03-13 1995-06-27 Goldstar Co., Ltd. Apparatus for finely adjusting tuning data for a television receiver and the method thereof

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4093960A (en) * 1974-11-14 1978-06-06 American Technology Corporation Test signal generating system and method
US4398220A (en) * 1980-09-05 1983-08-09 Tokyo Shibaura Denki Kabushiki Kaisha Circuit for detecting the operational state of a television receiver
US4402089A (en) * 1981-09-16 1983-08-30 Rca Corporation Television tuning system with electronic frequency adjustment apparatus
US4485404A (en) * 1982-09-01 1984-11-27 Rca Corporation Digital aft system which is activated during vertical retrace intervals
US4581643A (en) * 1983-07-25 1986-04-08 Rca Corporation Double conversion television tuner with frequency response control provisions
GB8507594D0 (en) * 1985-03-23 1985-05-01 I G G Electronics Ltd Teletext tuning system
US4748684A (en) * 1986-06-03 1988-05-31 Information Resources, Inc. Fast tuning control for a television system
DE3737581A1 (de) * 1987-11-05 1989-05-18 Grundig Emv Einrichtung zum automatischen anlegen der abgleichspannungen an die abstimmbaren schaltungselemente des zf-verstaerkers eines fernsehempfaengers
KR930007300B1 (ko) * 1989-11-29 1993-08-04 삼성전기 주식회사 더블 콘버젼(Double Conversion) 튜너의 자동 동조방법
KR960003163B1 (ko) * 1991-07-15 1996-03-05 삼성전자주식회사 문자 정보 보상 장치
JP2918388B2 (ja) * 1992-04-24 1999-07-12 オリオン電機株式会社 アナログ制御部の自動調整回路
US5353117A (en) * 1992-10-30 1994-10-04 Lucasarts Entertainment Company Vertical interval test signal for detecting video system low-level luminance linearity and differential gain and phase errors
JPH08205048A (ja) * 1995-01-25 1996-08-09 Mitsubishi Electric Corp 自動同調装置
DE19518368C1 (de) * 1995-05-22 1996-02-22 Mb Video Gmbh Verfahren und Vorrichtung zur Bewertung der Signalstärke eines mit einem Tuner empfangenen Fernsehsignals
FR2735317B1 (fr) * 1995-06-12 1997-07-18 Thomson Multimedia Sa Procede pour le stockage de donnees numeriques d'accord, circuit, televiseur et magnetoscope pour la mise en oeuvre d'un tel procede
KR100206764B1 (ko) * 1995-12-05 1999-07-01 구자홍 영상기기의 예비점검 장치 및 방법
DE19602573A1 (de) * 1996-01-25 1997-08-07 Grundig Ag Tuner für den Empfang digitaler Signale
DE19741325C2 (de) * 1997-09-19 1999-10-07 Temic Semiconductor Gmbh Verfahren zum Abgleich eines mehrstufigen selektiven Verstärkers
US6369857B1 (en) * 1999-05-13 2002-04-09 Sarnoff Corporation Receiver for analog and digital television signals

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1482241A (en) * 1974-05-08 1977-08-10 Indesit Circuit for the automatic tuning of a receiver
US5428405A (en) * 1993-03-13 1995-06-27 Goldstar Co., Ltd. Apparatus for finely adjusting tuning data for a television receiver and the method thereof

Also Published As

Publication number Publication date
CN1298257A (zh) 2001-06-06
DE19957365A1 (de) 2001-05-31
JP2001189899A (ja) 2001-07-10
US6697128B1 (en) 2004-02-24
EP1104184A3 (en) 2001-12-19
EP1104184A2 (en) 2001-05-30

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071205

Termination date: 20161128

CF01 Termination of patent right due to non-payment of annual fee