IL33887A0 - Automatic brightness control system - Google Patents
Automatic brightness control systemInfo
- 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
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)
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)
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 |
EP0395782B1 (en) * | 1989-05-03 | 1994-01-12 | Siemens Aktiengesellschaft | 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)
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 |
-
1969
- 1969-02-24 US US801633A patent/US3581098A/en not_active Expired - Lifetime
-
1970
- 1970-02-12 IL IL33887A patent/IL33887A/en unknown
- 1970-02-20 GB GB8282/70A patent/GB1281462A/en not_active Expired
- 1970-02-24 FR FR7006523A patent/FR2033004A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IL33887A (en) | 1972-06-28 |
GB1281462A (en) | 1972-07-12 |
FR2033004A5 (en) | 1970-11-27 |
US3581098A (en) | 1971-05-25 |
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