DE69614416D1 - Vorrichtung zur Einstellung der Dämpfung eines Signals - Google Patents

Vorrichtung zur Einstellung der Dämpfung eines Signals

Info

Publication number
DE69614416D1
DE69614416D1 DE69614416T DE69614416T DE69614416D1 DE 69614416 D1 DE69614416 D1 DE 69614416D1 DE 69614416 T DE69614416 T DE 69614416T DE 69614416 T DE69614416 T DE 69614416T DE 69614416 D1 DE69614416 D1 DE 69614416D1
Authority
DE
Germany
Prior art keywords
attenuation
adjusting
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 - Lifetime
Application number
DE69614416T
Other languages
English (en)
Inventor
Mark A Schultz
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Application granted granted Critical
Publication of DE69614416D1 publication Critical patent/DE69614416D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
    • 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
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Picture Signal Circuits (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Networks Using Active Elements (AREA)
DE69614416T 1995-01-13 1996-01-10 Vorrichtung zur Einstellung der Dämpfung eines Signals Expired - Lifetime DE69614416D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9500604A FR2729525B1 (fr) 1995-01-13 1995-01-13 Circuit de reglage du seuil de suppression d'un signal

Publications (1)

Publication Number Publication Date
DE69614416D1 true DE69614416D1 (de) 2001-09-20

Family

ID=9475300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614416T Expired - Lifetime DE69614416D1 (de) 1995-01-13 1996-01-10 Vorrichtung zur Einstellung der Dämpfung eines Signals

Country Status (7)

Country Link
US (1) US5815011A (de)
EP (1) EP0722217B1 (de)
JP (1) JP2973910B2 (de)
KR (1) KR100203785B1 (de)
DE (1) DE69614416D1 (de)
FR (1) FR2729525B1 (de)
SG (1) SG49588A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6559886B1 (en) * 1997-12-04 2003-05-06 Victor Company Of Japan, Limited Video signal processing method and device
WO2005101658A1 (en) * 2004-04-15 2005-10-27 Koninklijke Philips Electronics N.V. Analogue non-linear dynamic filter

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715477A (en) * 1971-03-11 1973-02-06 Rca Corp Video signal noise-limiting apparatus
US3789133A (en) * 1971-10-26 1974-01-29 Commercial Electronics Inc Television camera aperture correction system
JPS5625815B2 (de) * 1974-02-14 1981-06-15
US4009334A (en) * 1976-03-17 1977-02-22 Eastman Kodak Company Video noise reduction circuit
US4295160A (en) * 1979-05-11 1981-10-13 Rca Corporation Signal processing circuit having a non-linear transfer function
US4408133A (en) * 1981-03-30 1983-10-04 Gte Laboratories Incorporated Comparator circuit with improved reliability and/or speed
US4437123A (en) * 1982-04-30 1984-03-13 Rca Corporation Dynamically controlled horizontal peaking system
US4571511A (en) * 1983-06-27 1986-02-18 Rca Corporation Noise reduction system
US4520396A (en) * 1983-07-25 1985-05-28 Rca Corporation FM video transmission system having coring and coring compensation for reducing effects of triangular noise
US4536796A (en) * 1983-08-23 1985-08-20 Rca Corporation Non-linear dynamic coring circuit for video signals
US4899221A (en) * 1986-12-15 1990-02-06 North American Philips Consumer Electronics Corp. Television signal processing apparatus including rise time normalization and noise reduction
EP0271954B1 (de) * 1986-12-15 1994-03-02 Philips Electronics North America Corporation Vorrichtung zur Verarbeitung eines Fernsehsignals mit Steigzeitnormalisierung und Rauschminderung
US4939478A (en) * 1988-02-05 1990-07-03 Siemens Aktiengesellschaft Asymmetrical differential amplifier as level converter
JP2543567B2 (ja) * 1988-04-07 1996-10-16 株式会社日立製作所 ダイナミックノイズリダクション回路及びこれを用いたテレビジョン受信機
JPH0771296B2 (ja) * 1989-03-20 1995-07-31 松下電器産業株式会社 動きベクトル検出装置
EP0490016B1 (de) * 1990-12-12 1995-08-09 STMicroelectronics S.r.l. Integrierte Schaltung zur Erzeugung eines temperaturunabhängigen Stromes, der der Spannungsdifferenz zwischen einer Signal- und einer Referenzspannung proportional ist
JPH0799861B2 (ja) * 1991-02-28 1995-10-25 松下電器産業株式会社 階調補正回路
KR930009702B1 (ko) * 1991-04-17 1993-10-08 삼성전자 주식회사 외부 바이어스를 이용한 광대역 선형 이득 조절증폭기
JP2836452B2 (ja) * 1993-07-14 1998-12-14 日本電気株式会社 対数増幅回路
US5467145A (en) * 1994-10-26 1995-11-14 Samsung Electronics Co., Ltd. Circuitry for enhancing detail in color video signals

Also Published As

Publication number Publication date
JPH08274563A (ja) 1996-10-18
JP2973910B2 (ja) 1999-11-08
EP0722217A1 (de) 1996-07-17
EP0722217B1 (de) 2001-08-16
FR2729525A1 (fr) 1996-07-19
FR2729525B1 (fr) 1997-06-06
US5815011A (en) 1998-09-29
KR100203785B1 (ko) 1999-06-15
SG49588A1 (en) 1998-06-15

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Legal Events

Date Code Title Description
8332 No legal effect for de