BE765688A - Systeme de concentration automatique de faisceau electronique ou analogue - Google Patents

Systeme de concentration automatique de faisceau electronique ou analogue

Info

Publication number
BE765688A
BE765688A BE765688A BE765688A BE765688A BE 765688 A BE765688 A BE 765688A BE 765688 A BE765688 A BE 765688A BE 765688 A BE765688 A BE 765688A BE 765688 A BE765688 A BE 765688A
Authority
BE
Belgium
Prior art keywords
concentration system
automatic electronic
similar beam
beam concentration
similar
Prior art date
Application number
BE765688A
Other languages
English (en)
Inventor
H Ball
H L Peterson
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of BE765688A publication Critical patent/BE765688A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/26—Modifications of scanning arrangements to improve focusing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Color Television Image Signal Generators (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Details Of Television Scanning (AREA)
BE765688A 1970-04-15 1971-04-13 Systeme de concentration automatique de faisceau electronique ou analogue BE765688A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2864770A 1970-04-15 1970-04-15

Publications (1)

Publication Number Publication Date
BE765688A true BE765688A (fr) 1971-08-30

Family

ID=21844634

Family Applications (1)

Application Number Title Priority Date Filing Date
BE765688A BE765688A (fr) 1970-04-15 1971-04-13 Systeme de concentration automatique de faisceau electronique ou analogue

Country Status (9)

Country Link
US (1) US3647952A (fr)
JP (1) JPS5121528B1 (fr)
BE (1) BE765688A (fr)
CA (1) CA941514A (fr)
DE (1) DE2118302C3 (fr)
FR (1) FR2086073B1 (fr)
GB (1) GB1307350A (fr)
NL (1) NL7104969A (fr)
SE (1) SE371069B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816848A (en) * 1972-03-29 1974-06-11 Magnavox Co Automatic focus control for image pickup devices
US3875585A (en) * 1972-06-01 1975-04-01 Magnavox Co Cathode ray tube focussing system
US4387394A (en) * 1980-12-31 1983-06-07 Rca Corporation Sensing focus of a color kinescope
JPS57193185A (en) * 1981-05-25 1982-11-27 Toshiba Corp Automatic focus controlling circuit for electron beam of image pickup tube
US4459614A (en) * 1981-12-24 1984-07-10 Ampex Corporation Rotation-free electrical focussing circuit for television image tubes
DE3514219A1 (de) * 1985-04-19 1986-10-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung in einem videorecorder zum verbessern der bildschaerfe
JPH05299048A (ja) * 1992-04-24 1993-11-12 Hitachi Ltd 電子線装置および走査電子顕微鏡

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472165A (en) * 1947-04-29 1949-06-07 Philco Corp Automatic focus control for cathode-ray tubes
US2939042A (en) * 1958-01-16 1960-05-31 Thompson Ramo Wooldridge Inc Automatic focusing circuit
GB1171461A (en) * 1965-09-23 1969-11-19 Ass Elect Ind Improvements relating to the Focussing of Microscopes
JPS459617Y1 (fr) * 1968-12-17 1970-05-06

Also Published As

Publication number Publication date
SE371069B (fr) 1974-11-04
DE2118302A1 (de) 1971-10-28
GB1307350A (en) 1973-02-21
NL7104969A (fr) 1971-10-19
US3647952A (en) 1972-03-07
JPS5121528B1 (fr) 1976-07-03
CA941514A (en) 1974-02-05
DE2118302B2 (de) 1973-04-19
FR2086073A1 (fr) 1971-12-31
DE2118302C3 (de) 1973-11-08
FR2086073B1 (fr) 1975-07-04

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