SG55147A1 - Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image - Google Patents

Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image

Info

Publication number
SG55147A1
SG55147A1 SG1996007994A SG1996007994A SG55147A1 SG 55147 A1 SG55147 A1 SG 55147A1 SG 1996007994 A SG1996007994 A SG 1996007994A SG 1996007994 A SG1996007994 A SG 1996007994A SG 55147 A1 SG55147 A1 SG 55147A1
Authority
SG
Singapore
Prior art keywords
amplifier
linear
coupled
resistor
voltage divider
Prior art date
Application number
SG1996007994A
Other languages
English (en)
Inventor
William Adamson Lagoni
Original Assignee
Thomson Consumer Electronics
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 Thomson Consumer Electronics filed Critical Thomson Consumer Electronics
Publication of SG55147A1 publication Critical patent/SG55147A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K5/00—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof
    • C07K5/04—Peptides containing up to four amino acids in a fully defined sequence; Derivatives thereof containing only normal peptide links
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers

Landscapes

  • Multimedia (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Organic Chemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Networks Using Active Elements (AREA)
  • Picture Signal Circuits (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Receiver Circuits (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Communication Control (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
SG1996007994A 1989-08-25 1990-08-18 Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image SG55147A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/398,847 US5099154A (en) 1989-08-25 1989-08-25 Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image

Publications (1)

Publication Number Publication Date
SG55147A1 true SG55147A1 (en) 1998-12-21

Family

ID=23577025

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996007994A SG55147A1 (en) 1989-08-25 1990-08-18 Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image

Country Status (17)

Country Link
US (1) US5099154A (de)
EP (1) EP0414159B1 (de)
JP (1) JPH0642728B2 (de)
KR (2) KR910004658A (de)
CN (1) CN1023181C (de)
AT (1) ATE145771T1 (de)
CA (1) CA2023851C (de)
DE (1) DE69029233T2 (de)
DK (1) DK0414159T3 (de)
ES (1) ES2096567T3 (de)
FI (1) FI97501C (de)
GR (1) GR3022657T3 (de)
MY (1) MY107074A (de)
PT (1) PT95106B (de)
RU (1) RU2159513C2 (de)
SG (1) SG55147A1 (de)
TR (1) TR28320A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4980756A (en) * 1989-08-25 1990-12-25 Rca Licensing Corporation Control signal generator for a television system
ES2043513B1 (es) * 1991-07-17 1994-08-01 Bertran Electronica Sa Circuito procesador no lineal de video para televisores en color.
US5162902A (en) * 1991-12-16 1992-11-10 Thomson Consumer Electronics, Inc. Non-linear luminance signal processor responsive to average picture level (APL) of displayed image
JPH05313621A (ja) * 1992-04-27 1993-11-26 Sony Corp 表示制御装置および階調変換方法
DE4444899C1 (de) * 1994-12-16 1996-01-25 Philips Patentverwaltung Schaltungsanordnung zur amplitudenabhängigen Bedämpfung eines Fernsehsignals
WO2001022578A1 (de) * 1999-09-17 2001-03-29 Micronas Munich Gmbh Verstärkerschaltung mit abschnittsweise linearer übertragungsfunktion
WO2005058575A2 (en) 2003-12-10 2005-06-30 William A. Cook Australia Pty. Ltd. Injection moulding of functional cavities
US7276721B2 (en) 2004-08-12 2007-10-02 Carestream Health, Inc. Method and apparatus for improved contrast resolution
US8688061B2 (en) * 2010-08-09 2014-04-01 Skyworks Solutions, Inc. System and method for biasing a power amplifier
WO2014043005A1 (en) * 2012-09-12 2014-03-20 Dolby Laboratories Licensing Corporation Display management for images with enhanced dynamic range
KR200486598Y1 (ko) 2016-01-20 2018-06-11 나현주 매트리스 커버
TWI617131B (zh) * 2016-12-30 2018-03-01 立積電子股份有限公司 放大電路

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2760008A (en) * 1950-08-30 1956-08-21 Rca Corp Amplifier having controllable signal expansion and compression characteristics
US2692333A (en) * 1951-08-02 1954-10-19 Rca Corp Wave shaping circuit
US2892025A (en) * 1954-05-11 1959-06-23 Rca Corp Image signal correction apparatus
NL280623A (de) * 1961-07-06
US3277318A (en) * 1964-04-30 1966-10-04 Gen Electric Gamma correction circuits
US3702898A (en) * 1970-08-04 1972-11-14 Nasa Electronic video editor
FR2117909B1 (de) * 1970-12-16 1976-12-03 Fernseh Gmbh
US3835243A (en) * 1972-04-07 1974-09-10 Matsushita Electric Ind Co Ltd Circuitry for reducing effects of noise on color image
US3786183A (en) * 1972-06-21 1974-01-15 Northrup Corp Contrast detector for video tracking system
SU557516A1 (ru) * 1975-06-30 1977-05-05 Предприятие П/Я А-1772 Устройство дл регулировани гаммакоррекции видеотракта
US4245237A (en) * 1979-05-11 1981-01-13 Rca Corporation Controllable non-linear processing of video signals
JPS56107674A (en) * 1980-01-31 1981-08-26 Sony Corp Gradation correcting device of video signal
SU1058087A1 (ru) * 1980-02-20 1983-11-30 Ленинградский Институт Авиационного Приборостроения Устройство дл гамма-коррекции телевизионного сигнала
US4363033A (en) * 1980-06-02 1982-12-07 Gte Products Corporation Video switch circuit
US4386369A (en) * 1981-09-22 1983-05-31 Rca Corporation Compensated clamping circuit in a video signal peaking system
US4507615A (en) * 1982-12-16 1985-03-26 Tektronix, Inc. Non-linear amplifier systems
US4589021A (en) * 1983-01-07 1986-05-13 Sony Corporation Gamma compensating circuit
CA1258118A (en) * 1983-05-05 1989-08-01 Wilson Markle Method of, and apparatus for, colouring a black and white video signal
US4651210A (en) * 1984-12-24 1987-03-17 Rca Corporation Adjustable gamma controller
FR2575884B1 (fr) * 1985-01-08 1988-07-08 Thomson Video Equip Dispositif pour reduire la dynamique de trois signaux de couleur representant une image
US4757373A (en) * 1985-11-14 1988-07-12 U.S. Philips Corporation Amplifier circuit operative with an adaptive signal compression

Also Published As

Publication number Publication date
PT95106B (pt) 1998-08-31
GR3022657T3 (en) 1997-05-31
FI97501B (fi) 1996-09-13
CN1023181C (zh) 1993-12-15
CA2023851A1 (en) 1991-02-26
KR0163764B1 (ko) 1999-01-15
US5099154A (en) 1992-03-24
EP0414159A3 (en) 1991-10-02
JPH0642728B2 (ja) 1994-06-01
TR28320A (tr) 1996-04-09
EP0414159A2 (de) 1991-02-27
CN1049765A (zh) 1991-03-06
MY107074A (en) 1995-09-30
DE69029233D1 (de) 1997-01-09
FI97501C (fi) 1996-12-27
EP0414159B1 (de) 1996-11-27
JPH03174883A (ja) 1991-07-30
KR910004658A (ko) 1991-03-29
ATE145771T1 (de) 1996-12-15
CA2023851C (en) 1996-01-30
DK0414159T3 (da) 1996-12-16
PT95106A (pt) 1992-03-31
DE69029233T2 (de) 1997-05-07
RU2159513C2 (ru) 2000-11-20
FI904104A0 (fi) 1990-08-20
KR910005676A (ko) 1991-03-30
ES2096567T3 (es) 1997-03-16

Similar Documents

Publication Publication Date Title
SG55147A1 (en) Amplifier arrangement for producing a controllable non-linear transfer characteristic useful for improving the contrast of an image
DE69012982T2 (de) Signalpegel-Messanordnung mit Offset-Korrekturmitteln.
EP0400819A3 (de) Betriebsverstärker mit niedrigem Vorspannungsstrom und hoher Anstiegsgeschwindigkeit
KR920005587A (ko) 빔 주사 속도 변조용 편향 시스템
IT8320755A1 (it) Circuito di enucleazione di tipo dinamico
DE59407118D1 (de) Gegentaktendstufe mit einer Einstellung des Querstroms der Gegentaktendstufe
US4241362A (en) Circuit for increasing a signal slope of a periodically occurring signal mainly near a reference level
KR910003918A (ko) 증폭 장치
ATE141449T1 (de) Kaskodierter videoverstärker mit gegenphasigen ausgangssignalen
MY116157A (en) Pincushion control circuit
MY115672A (en) Primary color video signal output circuit
WO1995006999B1 (en) Dynamic gamma correction circuit for use in image projectors
JPS573475A (en) Picture quality adjusting circuit
JPS55115247A (en) Scale factor controller for scanning electron microscope
JPS5552615A (en) Gain control circuit
JPS55133115A (en) Variable gain amplifying circuit
JPS5763989A (en) Primary color output amplifier of color television picture receiver
MY110211A (en) Kinescope driver apparatus with contrast enhancement.
JPS5939948B2 (ja) 鮮鋭度改善回路
JPS6424617A (en) Amplitude limit circuit
JPS55102043A (en) Straight line generating circuit
JPS6481509A (en) Distortion generating circuit
JPS5711513A (en) Variable gain amplifying circuit
JPS60145719A (ja) 差動型光受信回路
JPS57180272A (en) Dynamic focus circuit