DE3870656D1 - Spannungspegelklemmschaltung. - Google Patents

Spannungspegelklemmschaltung.

Info

Publication number
DE3870656D1
DE3870656D1 DE8888102025T DE3870656T DE3870656D1 DE 3870656 D1 DE3870656 D1 DE 3870656D1 DE 8888102025 T DE8888102025 T DE 8888102025T DE 3870656 T DE3870656 T DE 3870656T DE 3870656 D1 DE3870656 D1 DE 3870656D1
Authority
DE
Germany
Prior art keywords
voltage level
level clamping
clamping
voltage
level
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
DE8888102025T
Other languages
English (en)
Inventor
Osamu Kobayashi
Kunihiko Gotoh
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Priority claimed from JP62031783A external-priority patent/JPH0831781B2/ja
Priority claimed from JP62037613A external-priority patent/JPS63204975A/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE3870656D1 publication Critical patent/DE3870656D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • 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
    • H04N5/16—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
DE8888102025T 1987-02-13 1988-02-11 Spannungspegelklemmschaltung. Expired - Fee Related DE3870656D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62031783A JPH0831781B2 (ja) 1987-02-13 1987-02-13 電圧レベル設定回路
JP62037613A JPS63204975A (ja) 1987-02-20 1987-02-20 信号レベルクランプ回路

Publications (1)

Publication Number Publication Date
DE3870656D1 true DE3870656D1 (de) 1992-06-11

Family

ID=26370299

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888102025T Expired - Fee Related DE3870656D1 (de) 1987-02-13 1988-02-11 Spannungspegelklemmschaltung.

Country Status (4)

Country Link
US (1) US4859871A (de)
EP (1) EP0280123B1 (de)
KR (1) KR930006456B1 (de)
DE (1) DE3870656D1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH071864Y2 (ja) * 1988-09-08 1995-01-18 三洋電機株式会社 レベル判別回路
JPH03198089A (ja) * 1989-12-27 1991-08-29 Sharp Corp 液晶表示装置の駆動回路
US5027017A (en) * 1990-01-19 1991-06-25 Rca Licensing Corporation Sync tip clamp circuitry
US5087834A (en) * 1990-03-12 1992-02-11 Texas Instruments Incorporated Buffer circuit including comparison of voltage-shifted references
JP2863597B2 (ja) * 1990-03-30 1999-03-03 株式会社東芝 クランプ回路
US5084700A (en) * 1991-02-04 1992-01-28 Thomson Consumer Electronics, Inc. Signal clamp circuitry for analog-to-digital converters
US5424629A (en) * 1991-04-11 1995-06-13 Matsushita Electric Industrial Co., Ltd. Power circuit for a semiconductor apparatus
US5371552A (en) * 1991-10-31 1994-12-06 North American Philips Corporation Clamping circuit with offset compensation for analog-to-digital converters
KR950007463B1 (ko) * 1992-11-27 1995-07-11 삼정전자 주식회사 스위칭모드 전원공급장치의 전류검출회로
JPH06232744A (ja) 1993-01-29 1994-08-19 Canon Inc 信号処理装置
US5448308A (en) * 1993-02-05 1995-09-05 Thomson Consumer Electronics, Inc. Apparatus for clamping a video signal level
EP0700200A3 (de) * 1994-08-30 1996-07-10 Plessey Semiconductors Ltd Schaltung zum Klemmen des Spitzenwertes eines Videosynchronisationssignals
FR2727595A1 (fr) * 1994-11-25 1996-05-31 Sgs Thomson Microelectronics Circuit d'asservissement d'un signal sur une valeur de preference
JP3332737B2 (ja) * 1996-01-31 2002-10-07 キヤノン株式会社 信号処理回路及び液晶表示装置
EP0788276B1 (de) * 1996-01-31 2002-01-09 Micronas GmbH Videosignal-Klemmschaltung
US5751178A (en) * 1996-12-05 1998-05-12 Motorola, Inc. Apparatus and method for shifting signal levels
FR2757336A1 (fr) * 1996-12-13 1998-06-19 Philips Electronics Nv Circuit d'interface pour camera video
FR2762162A1 (fr) * 1997-04-15 1998-10-16 Philips Electronics Nv Dispositif d'alignement numerique
KR100293523B1 (ko) * 1998-02-25 2001-09-17 구본준, 론 위라하디락사 액정표시장치
FR2832579A1 (fr) * 2001-11-19 2003-05-23 St Microelectronics Sa Dispositif de calibrage pour un etage d'entree video
US6956621B2 (en) * 2002-06-05 2005-10-18 Broadcom Corporation High impedance digital full line video clamp
JP2005101870A (ja) * 2003-09-24 2005-04-14 Sanyo Electric Co Ltd 信号調整回路
JP4855704B2 (ja) * 2005-03-31 2012-01-18 株式会社東芝 固体撮像装置
KR102509819B1 (ko) 2015-11-04 2023-03-14 삼성전자주식회사 신호 처리 장치 및 신호 처리 방법
US11063510B2 (en) * 2019-08-22 2021-07-13 Dialog Semiconductor Inc. Switching power converter with improved power factor correction via feedback signal averaging

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB932173A (en) * 1960-05-23 1963-07-24 Gen Precision Inc Sub-miniature gyro
US4293874A (en) * 1980-02-04 1981-10-06 Zenith Radio Corporation DC Restoration circuit for television receiver
US4371896A (en) * 1981-08-27 1983-02-01 Rca Corporation Stabilized video signal control loop
GB2105547A (en) * 1981-09-11 1983-03-23 Philips Electronic Associated Clamping video signals
JPS58210761A (ja) * 1982-06-01 1983-12-08 Nec Corp クランプ回路
JPS6010880A (ja) * 1983-06-30 1985-01-21 Toshiba Corp デジタルクランプ回路
US4700085A (en) * 1983-11-21 1987-10-13 Nec Corporation Circuit for detecting signal charges transferred in a charge transfer device
JPS60113586A (ja) * 1983-11-24 1985-06-20 Nec Corp クランプ装置
US4644198A (en) * 1984-10-31 1987-02-17 Rca Corporation Signal clamp
DE3673255D1 (de) * 1985-05-21 1990-09-13 Citizen Watch Co Ltd Automatische austastpegel-klemmschaltung.

Also Published As

Publication number Publication date
EP0280123A1 (de) 1988-08-31
KR880010548A (ko) 1988-10-10
US4859871A (en) 1989-08-22
EP0280123B1 (de) 1992-05-06
KR930006456B1 (en) 1993-07-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee