BE537877A - - Google Patents

Info

Publication number
BE537877A
BE537877A BE537877DA BE537877A BE 537877 A BE537877 A BE 537877A BE 537877D A BE537877D A BE 537877DA BE 537877 A BE537877 A BE 537877A
Authority
BE
Belgium
Application number
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.)
Publication of BE537877A publication Critical patent/BE537877A/xx

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/12—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being glow discharge tubes
    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H02M7/066—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode particular circuits having a special characteristic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Facsimile Scanning Arrangements (AREA)
BE537877D 1954-05-04 BE537877A (un)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12930/54A GB763279A (en) 1954-05-04 1954-05-04 Improvements in or relating to circuits for providing a variable bias potential

Publications (1)

Publication Number Publication Date
BE537877A true BE537877A (un)

Family

ID=10013742

Family Applications (1)

Application Number Title Priority Date Filing Date
BE537877D BE537877A (un) 1954-05-04

Country Status (6)

Country Link
US (1) US2954428A (un)
BE (1) BE537877A (un)
CH (1) CH333689A (un)
DE (1) DE1035193B (un)
FR (1) FR1135759A (un)
GB (1) GB763279A (un)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130828A (en) * 1978-03-31 1979-10-11 Canon Inc Photo sensor array device and image scanner using it

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1499078A (en) * 1921-03-16 1924-06-24 Safety Car Heating & Lighting Apparatus for obtaining a constant voltage
US1582060A (en) * 1925-11-10 1926-04-27 Lovejoy Dev Corp Means for controlling the potential gradient in alpha conductor
DE674703C (de) * 1934-12-17 1939-04-19 Siemens & Halske Akt Ges Schaltungsanordnung zum Ausgleich von durch Schwankungen der Betriebsspannungen hervorgerufenen AEnderungen des UEbertragungsmasses in Verstaerkern o. dgl.
DE843433C (de) * 1948-10-02 1952-07-07 Werke Appbau G M B H Deutsche Spannungsteileranordnung zur Gewinnung einer von Belastungs-schwankungen an anderen Teilspannungen unabhaengigen Teilspannung
US2515763A (en) * 1948-10-22 1950-07-18 Gen Electric Direct current restoration circuit for television
AT176243B (de) * 1949-03-22 1953-09-25 Philips Nv Schaltung zur Umkehrung des Vorzeichens des Differentialquotienten des Spannungsverlaufes einer veränderlichen Spannung
US2794850A (en) * 1951-02-28 1957-06-04 Western Union Telegraph Co Compensated phototube amplifier

Also Published As

Publication number Publication date
CH333689A (de) 1958-10-31
FR1135759A (fr) 1957-05-03
DE1035193B (de) 1958-07-31
US2954428A (en) 1960-09-27
GB763279A (en) 1956-12-12

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