DE2828654C2 - - Google Patents

Info

Publication number
DE2828654C2
DE2828654C2 DE2828654A DE2828654A DE2828654C2 DE 2828654 C2 DE2828654 C2 DE 2828654C2 DE 2828654 A DE2828654 A DE 2828654A DE 2828654 A DE2828654 A DE 2828654A DE 2828654 C2 DE2828654 C2 DE 2828654C2
Authority
DE
Germany
Prior art keywords
signal
color difference
adder
black
color
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
Application number
DE2828654A
Other languages
German (de)
English (en)
Other versions
DE2828654A1 (de
Inventor
Takao Fujisawa Kanagawa Jp Tsuchiya
Shouji Tachikawa Tokio/Tokyo Jp Omori
Yasunobu Tokio/Tokyo Jp Kuniyoshi
Atsushi Yokohama Kanagawa Jp Matsuzaki
Susuma Ichikawa Chiba Jp Akazawa
Kiyonori Tokio/Tokyo Jp Tomiraga
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.)
Sony Corp
Original Assignee
Sony Corp
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
Priority claimed from JP7749777A external-priority patent/JPS5412520A/ja
Priority claimed from JP7813677A external-priority patent/JPS5412629A/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE2828654A1 publication Critical patent/DE2828654A1/de
Application granted granted Critical
Publication of DE2828654C2 publication Critical patent/DE2828654C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
DE19782828654 1977-06-29 1978-06-29 Klemmschaltungsanordnung fuer farbfernsehsignale Granted DE2828654A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7749777A JPS5412520A (en) 1977-06-29 1977-06-29 Color television picture receiver
JP7813677A JPS5412629A (en) 1977-06-30 1977-06-30 Chrominance signal clamp/matrix circuit

Publications (2)

Publication Number Publication Date
DE2828654A1 DE2828654A1 (de) 1979-01-18
DE2828654C2 true DE2828654C2 (pt-PT) 1988-01-14

Family

ID=26418567

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782828654 Granted DE2828654A1 (de) 1977-06-29 1978-06-29 Klemmschaltungsanordnung fuer farbfernsehsignale

Country Status (6)

Country Link
US (1) US4183050A (pt-PT)
CA (1) CA1089981A (pt-PT)
DE (1) DE2828654A1 (pt-PT)
FR (1) FR2396482A1 (pt-PT)
GB (1) GB2000657B (pt-PT)
NL (1) NL191046C (pt-PT)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2105547A (en) * 1981-09-11 1983-03-23 Philips Electronic Associated Clamping video signals
JPS58100590A (ja) * 1981-12-11 1983-06-15 Sony Corp サンプリング出力の合成方法
JPS58135121U (ja) * 1982-03-05 1983-09-10 パイオニア株式会社 レベルシフト回路
DE3323750A1 (de) * 1983-07-01 1985-01-17 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Klemmschaltung fuer ein signal ohne ausreichende austastluecken, insbesondere fuer ein videosignal
US4549203A (en) * 1983-12-14 1985-10-22 Rca Corporation DC Stabilization system
US4554577A (en) * 1983-12-14 1985-11-19 Rca Corporation Keyed DC stabilization system with protection from error introduction during vertical sync interval
US4554588A (en) * 1983-12-14 1985-11-19 Rca Corporation Control system for luminance/chrominance signal processing circuits
JPS61140279A (ja) * 1984-12-12 1986-06-27 Toshiba Corp 映像信号処理回路
US4617590A (en) * 1985-02-04 1986-10-14 Eastman Kodak Company Clamping circuit for video signals
US4802015A (en) * 1985-08-02 1989-01-31 Canon Kabushiki Kaisha Image reproducing apparatus
JPS6288495A (ja) * 1985-10-14 1987-04-22 Fuji Photo Film Co Ltd 磁気記録装置の色差線順次回路
JPH02287594A (ja) * 1989-04-28 1990-11-27 Sony Corp クリアブルー回路
JP2863597B2 (ja) * 1990-03-30 1999-03-03 株式会社東芝 クランプ回路
US5272522A (en) * 1990-04-30 1993-12-21 Thomson Consumer Electronics, Inc. Video signal processing circuits
EP2700066B1 (en) 2011-04-21 2019-03-06 University of Washington through its Center for Commercialization Myopia-safe video displays
AU2017209051A1 (en) 2016-01-18 2018-08-02 Waveshift Llc Method and apparatus for reducing myopiagenic effect of electronic displays

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575551A (en) * 1968-05-17 1971-04-20 Zenith Radio Corp Chrominance demodulator blanking circuit
FR2096627B1 (pt-PT) * 1969-12-19 1976-02-06 Radiotechnique Compelec Fr
NL7215775A (pt-PT) * 1972-11-22 1974-05-27
GB1536215A (en) * 1976-07-05 1978-12-20 Decca Ltd Clamping circuits for television signals

Also Published As

Publication number Publication date
GB2000657B (en) 1982-04-28
NL7807027A (nl) 1979-01-03
FR2396482A1 (fr) 1979-01-26
NL191046B (nl) 1994-07-18
US4183050A (en) 1980-01-08
NL191046C (nl) 1994-12-16
CA1089981A (en) 1980-11-18
GB2000657A (en) 1979-01-10
DE2828654A1 (de) 1979-01-18
FR2396482B1 (pt-PT) 1982-12-03

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition