GB1502685A - Image display apparatus - Google Patents

Image display apparatus

Info

Publication number
GB1502685A
GB1502685A GB15933/75A GB1593375A GB1502685A GB 1502685 A GB1502685 A GB 1502685A GB 15933/75 A GB15933/75 A GB 15933/75A GB 1593375 A GB1593375 A GB 1593375A GB 1502685 A GB1502685 A GB 1502685A
Authority
GB
United Kingdom
Prior art keywords
value
signal
pick
output
capacitor
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
GB15933/75A
Other languages
English (en)
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.)
American Optical Corp
Original Assignee
American Optical 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
Application filed by American Optical Corp filed Critical American Optical Corp
Publication of GB1502685A publication Critical patent/GB1502685A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/26—Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/28—Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Closed-Circuit Television Systems (AREA)
GB15933/75A 1974-04-24 1975-04-17 Image display apparatus Expired GB1502685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/463,496 US3987242A (en) 1974-04-24 1974-04-24 Automatic dc restorer and gain control

Publications (1)

Publication Number Publication Date
GB1502685A true GB1502685A (en) 1978-03-01

Family

ID=23840302

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15933/75A Expired GB1502685A (en) 1974-04-24 1975-04-17 Image display apparatus

Country Status (5)

Country Link
US (1) US3987242A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS50147663A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1041216A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2515322A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1502685A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140652A (en) * 1983-05-23 1984-11-28 Rca Corp Video signal processor with automatic display beam current limiter control system

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2602287B2 (ja) * 1988-07-01 1997-04-23 株式会社日立製作所 Ｘ線マスクの欠陥検査方法及びその装置
US5148280A (en) * 1990-08-06 1992-09-15 Thomson Consumer Electronics, Inc. Stereo fm radio in a television receiver
US5146337A (en) * 1990-08-06 1992-09-08 Thomson Consumer Electronics, Inc Using a first IF of 43.5 MHZ or less in an FM radio in a television tuner
US5146338A (en) * 1990-08-06 1992-09-08 Thomson Consumer Electronics, Inc. Fixed rf agc of a television tuner for fm reception in a television receiver
US5390020A (en) * 1992-09-14 1995-02-14 Eastman Kodak Company Video amplifier stabilization for CRT printing
EP1760762B1 (en) * 2005-09-06 2012-02-01 ICT Integrated Circuit Testing Gesellschaft für Halbleiterprüftechnik mbH Device and method for selecting an emission area of an emission pattern
JP4621098B2 (ja) * 2005-09-14 2011-01-26 株式会社日立ハイテクノロジーズ 走査型電子顕微鏡および画像信号処理方法
US7940105B2 (en) * 2008-08-08 2011-05-10 Beckman Coulter, Inc. High-resolution parametric signal restoration

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850627A (en) * 1952-12-08 1958-09-02 Philco Corp System for maintaining predetermined portions of a signal at a predetermined value
US3179743A (en) * 1959-03-27 1965-04-20 Rca Corp Television brightness and contrast control circuit
US3515803A (en) * 1967-06-28 1970-06-02 Magnavox Co Contrast range control
US3578908A (en) * 1968-12-05 1971-05-18 Cohu Electronics Inc Automatic peak video control system
US3597540A (en) * 1969-04-01 1971-08-03 Motorola Inc Automatic brightness control responsive to black level of video signal
GB1400427A (en) * 1971-11-08 1975-07-16 Rca Corp Video signal processing apparatus
US3886305A (en) * 1972-04-24 1975-05-27 Etec Corp Automatic contrast and dark level control for scanning electron microscopes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140652A (en) * 1983-05-23 1984-11-28 Rca Corp Video signal processor with automatic display beam current limiter control system

Also Published As

Publication number Publication date
JPS50147663A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-11-26
DE2515322A1 (de) 1975-11-06
US3987242A (en) 1976-10-19
CA1041216A (en) 1978-10-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee