IL33887A0 - Automatic brightness control system - Google Patents

Automatic brightness control system

Info

Publication number
IL33887A0
IL33887A0 IL33887A IL3388770A IL33887A0 IL 33887 A0 IL33887 A0 IL 33887A0 IL 33887 A IL33887 A IL 33887A IL 3388770 A IL3388770 A IL 3388770A IL 33887 A0 IL33887 A0 IL 33887A0
Authority
IL
Israel
Prior art keywords
control system
brightness control
automatic brightness
automatic
control
Prior art date
Application number
IL33887A
Other versions
IL33887A (en
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Publication of IL33887A0 publication Critical patent/IL33887A0/en
Publication of IL33887A publication Critical patent/IL33887A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
    • 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
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
    • H02M3/3381—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement using a single commutation path
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
IL33887A 1969-02-24 1970-02-12 Automatic brightness control system IL33887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80163369A 1969-02-24 1969-02-24

Publications (2)

Publication Number Publication Date
IL33887A0 true IL33887A0 (en) 1970-04-20
IL33887A IL33887A (en) 1972-06-28

Family

ID=25181650

Family Applications (1)

Application Number Title Priority Date Filing Date
IL33887A IL33887A (en) 1969-02-24 1970-02-12 Automatic brightness control system

Country Status (4)

Country Link
US (1) US3581098A (en)
FR (1) FR2033004A5 (en)
GB (1) GB1281462A (en)
IL (1) IL33887A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711720A (en) * 1971-02-12 1973-01-16 Rca Corp Automatic brightness control for image intensifier tube
US3805058A (en) * 1971-03-26 1974-04-16 Mc Donnell Douglas Corp Radiation sensitive transducer
US3694659A (en) * 1971-09-15 1972-09-26 Int Standard Electric Corp Automatic control circuit for image intensifier
NL7409242A (en) * 1974-07-09 1976-01-13 Optische Ind De Oude Delft Nv HIGH VOLTAGE GENERATOR CIRCUIT.
US4044249A (en) * 1975-12-15 1977-08-23 A Division of Varo, Inc. Biometrics Instrument Corporation Voltage supply including bilateral attenuator
US4550251A (en) * 1983-07-08 1985-10-29 Varian Associates, Inc. Image intensifier tube with increased contrast ratio
US4769753A (en) * 1987-07-02 1988-09-06 Minnesota Mining And Manufacturing Company Compensated exponential voltage multiplier for electroluminescent displays
DE58906714D1 (en) * 1989-05-03 1994-02-24 Siemens Ag Oscillator.
US5336881A (en) * 1993-03-01 1994-08-09 Itt Corporation High light resolution control of an image intensifier tube
US6342925B1 (en) 1999-01-15 2002-01-29 Sharp Laboratories Of America, Inc. Automatic audio and video parameter adjustment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3198947A (en) * 1961-02-21 1965-08-03 Lab For Electronics Inc Apparatus for producing visual images of x-rayed objects
BE626188A (en) * 1962-03-19
US3413537A (en) * 1965-01-21 1968-11-26 Robert L. Sharp Constant current battery charger
US3383514A (en) * 1965-01-26 1968-05-14 Rauland Corp Multi-stage image converter with both magnifying and minifying stages

Also Published As

Publication number Publication date
US3581098A (en) 1971-05-25
IL33887A (en) 1972-06-28
GB1281462A (en) 1972-07-12
FR2033004A5 (en) 1970-11-27

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