DE68912146D1 - Digitale Vorrichtung zur Korrektur der Konvergenz. - Google Patents

Digitale Vorrichtung zur Korrektur der Konvergenz.

Info

Publication number
DE68912146D1
DE68912146D1 DE89101429T DE68912146T DE68912146D1 DE 68912146 D1 DE68912146 D1 DE 68912146D1 DE 89101429 T DE89101429 T DE 89101429T DE 68912146 T DE68912146 T DE 68912146T DE 68912146 D1 DE68912146 D1 DE 68912146D1
Authority
DE
Germany
Prior art keywords
correction device
convergence correction
digital convergence
digital
correction
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
DE89101429T
Other languages
English (en)
Other versions
DE68912146T2 (de
Inventor
Makoto Shiomi
Michitaka Ohsawa
Toshiyuki Sakamoto
Kuninori Matsumi
Kosuke Ozeki
Ikuo Yuki
Kenji Sato
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.)
Hitachi Image Information Systems Inc
Hitachi Ltd
Original Assignee
Hitachi Ltd
Hitachi Video Engineering 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 Hitachi Ltd, Hitachi Video Engineering Co Ltd filed Critical Hitachi Ltd
Publication of DE68912146D1 publication Critical patent/DE68912146D1/de
Application granted granted Critical
Publication of DE68912146T2 publication Critical patent/DE68912146T2/de
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
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/16—Picture reproducers using cathode ray tubes
    • H04N9/28—Arrangements for convergence or focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Details Of Television Scanning (AREA)
DE68912146T 1988-01-29 1989-01-27 Digitale Vorrichtung zur Korrektur der Konvergenz. Expired - Fee Related DE68912146T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1710188 1988-01-29
JP63208422A JP2714023B2 (ja) 1988-01-29 1988-08-24 画像表示装置

Publications (2)

Publication Number Publication Date
DE68912146D1 true DE68912146D1 (de) 1994-02-24
DE68912146T2 DE68912146T2 (de) 1994-07-07

Family

ID=26353579

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68912146T Expired - Fee Related DE68912146T2 (de) 1988-01-29 1989-01-27 Digitale Vorrichtung zur Korrektur der Konvergenz.

Country Status (4)

Country Link
US (1) US4977446A (de)
EP (1) EP0326152B1 (de)
JP (1) JP2714023B2 (de)
DE (1) DE68912146T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216497A (en) * 1989-09-28 1993-06-01 Matsushita Electric Industrial Co., Ltd. Digital convergence apparatus including an extrapolating circuit
US5293224A (en) * 1990-01-30 1994-03-08 Pioneer Electronic Corporation White balance control system
JP2741940B2 (ja) * 1990-04-02 1998-04-22 株式会社日立製作所 ディジタルコンバーゼンス補正装置
JP3039668B2 (ja) * 1990-04-27 2000-05-08 キヤノン株式会社 表示装置
IT1240382B (it) * 1990-07-06 1993-12-10 Seleco Spa Dispositivo generatore di segnali di convergenza per display a colori
FI91475C (fi) * 1991-10-31 1994-06-27 Salcomp Oy Menetelmä ja piiri värikuvaputken dynaamisen konvergenssin säätöjännitteiden muodostamiseksi
US5841430A (en) * 1992-01-30 1998-11-24 Icl Personal Systems Oy Digital video display having analog interface with clock and video signals synchronized to reduce image flicker
US5369450A (en) * 1993-06-01 1994-11-29 The Walt Disney Company Electronic and computational correction of chromatic aberration associated with an optical system used to view a color video display
JPH0767122A (ja) * 1993-06-18 1995-03-10 Pioneer Electron Corp コンバーゼンス調整装置
US5504521A (en) * 1994-06-13 1996-04-02 Display Laboratories, Inc. Method and apparatus for making corrections in a video monitor during horizontal scan
JPH089405A (ja) * 1994-06-22 1996-01-12 Toshiba Corp ディジタルコンバーゼンス装置
JP3488314B2 (ja) * 1995-04-21 2004-01-19 ソニー株式会社 映像信号処理装置及び画像調整方法
CA2181516C (en) * 1995-07-19 2006-08-29 Junji Masumoto Digital convergence apparatus
JPH0984035A (ja) * 1995-09-08 1997-03-28 Toshiba Corp ディジタルコンバーゼンス装置
US5969655A (en) * 1995-12-15 1999-10-19 Matsushida Electric Industrial Co., Ltd. Digital convergence correction device outputting an analog correction signal
US6172627B1 (en) * 1998-05-13 2001-01-09 Honeywell, Inc. Dynamic digital to synchro converter
US6518800B2 (en) * 2000-05-31 2003-02-11 Texas Instruments Incorporated System and method for reducing timing mismatch in sample and hold circuits using the clock
US6417700B1 (en) * 2000-10-23 2002-07-09 Matsushita Electric Industrial Co., Ltd. Voltage level detection circuit and voltage level detection method
KR100497351B1 (ko) * 2001-02-08 2005-06-23 삼성전자주식회사 시분할 다중화에 따른 위상 불일치 보상 장치 및 방법
TW582181B (en) * 2002-12-27 2004-04-01 Realtek Semiconductor Corp Audio processing system applied to a multi-channel audio chip
KR100626461B1 (ko) * 2004-02-12 2006-09-20 엘지전자 주식회사 영상표시기기의 컨버전스 시스템

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853545A (en) * 1952-08-09 1958-09-23 Zenith Radio Corp Color television receiver synchronizing system
JPS5422850B2 (de) * 1973-10-17 1979-08-09
US3943279A (en) * 1974-09-23 1976-03-09 Aeronutronic Ford Corporation Digital convergence of multiple image projectors
US4395662A (en) * 1981-05-27 1983-07-26 General Electric Company Correction circuits for projection television
JPS6018083A (ja) * 1983-07-11 1985-01-30 Sony Corp テレビジヨン受像機
JPS6019384A (ja) * 1983-07-13 1985-01-31 Hitachi Ltd デイジタルコンバ−ゼンス補正装置
JPS6055787A (ja) * 1983-09-06 1985-04-01 Sony Corp 多管式マルチビ−ムプロジエクタ−
JPS6112191A (ja) * 1984-06-28 1986-01-20 Sony Corp デジタルコンバ−ジエンス装置
FR2579051B1 (fr) * 1985-03-15 1988-06-24 Loire Electronique Dispositif de reglage de convergence pour videoprojecteur
JPS6319973A (ja) * 1986-07-14 1988-01-27 Nec Home Electronics Ltd 補正波形発生回路
US4868668A (en) * 1986-08-21 1989-09-19 Electrohome Limited System and method for image adjustment in an optical projection system

Also Published As

Publication number Publication date
US4977446A (en) 1990-12-11
EP0326152A3 (en) 1989-12-06
DE68912146T2 (de) 1994-07-07
EP0326152B1 (de) 1994-01-12
EP0326152A2 (de) 1989-08-02
JP2714023B2 (ja) 1998-02-16
JPH01280986A (ja) 1989-11-13

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Legal Events

Date Code Title Description
8380 Miscellaneous part iii

Free format text: DER 2. INHABER IST ZU AENDERN IN: HITACHI VIDEO & INFORMATION SYSTEM, INC., YOKOHAMA, KANAGAWA, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee