BE398015A - - Google Patents

Info

Publication number
BE398015A
BE398015A BE398015DA BE398015A BE 398015 A BE398015 A BE 398015A BE 398015D A BE398015D A BE 398015DA BE 398015 A BE398015 A BE 398015A
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 BE398015A publication Critical patent/BE398015A/xx
Priority claimed from GB2537433A external-priority patent/GB413894A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/165Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level to maintain the black level constant
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K4/00Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/10Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/26Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K4/00Generating pulses having essentially a finite slope or stepped portions
    • H03K4/06Generating pulses having essentially a finite slope or stepped portions having triangular shape
    • H03K4/08Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape
    • H03K4/10Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only
    • H03K4/26Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor
    • H03K4/39Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier
    • H03K4/43Generating pulses having essentially a finite slope or stepped portions having triangular shape having sawtooth shape using as active elements vacuum tubes only in which a sawtooth current is produced through an inductor using a tube operating as an amplifier combined with means for generating the driving pulses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/04Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16Scanning 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16Scanning 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
    • H04N3/22Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/23Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/237Distortion correction, e.g. for pincushion distortion correction, S-correction using passive elements, e.g. diodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/30Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
    • H04N3/34Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/36Scanning of motion picture films, e.g. for telecine
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/04Synchronising
    • H04N5/06Generation of synchronising signals
    • H04N5/067Arrangements or circuits at the transmitter end
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/04Synchronising
    • H04N5/06Generation of synchronising signals
    • H04N5/067Arrangements or circuits at the transmitter end
    • H04N5/0675Arrangements or circuits at the transmitter end for mixing the synchronising signals with the picture signal or mutually
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/12Picture reproducers
    • H04N9/31Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141Constructional details thereof
    • H04N9/3147Multi-projection systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Details Of Television Scanning (AREA)
  • Direct Current Feeding And Distribution (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Picture Signal Circuits (AREA)
BE398015D 1931-09-26 BE398015A (US07541385-20090602-C00001.png)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US565226A US2289914A (en) 1931-09-26 1931-09-26 Television system
US401990XA 1932-05-28 1932-05-28
GB2537433A GB413894A (en) 1933-09-13 1933-09-13 Improvements in or relating to television systems

Publications (1)

Publication Number Publication Date
BE398015A true BE398015A (US07541385-20090602-C00001.png)

Family

ID=31950339

Family Applications (12)

Application Number Title Priority Date Filing Date
BE390958D BE390958A (US07541385-20090602-C00001.png) 1931-09-26
BE391266D BE391266A (US07541385-20090602-C00001.png) 1931-09-26
BE377922D BE377922A (US07541385-20090602-C00001.png) 1931-09-26
BE389285D BE389285A (US07541385-20090602-C00001.png) 1931-09-26
BE395907D BE395907A (US07541385-20090602-C00001.png) 1931-09-26
BE398015D BE398015A (US07541385-20090602-C00001.png) 1931-09-26
BE390395D BE390395A (US07541385-20090602-C00001.png) 1931-09-26
BE387822D BE387822A (US07541385-20090602-C00001.png) 1931-09-26
BE393588D BE393588A (US07541385-20090602-C00001.png) 1931-09-26
BE396560D BE396560A (US07541385-20090602-C00001.png) 1931-09-26
BE371688A BE371688A (US07541385-20090602-C00001.png) 1931-09-26 1930-07-04
BE371659A BE371659A (US07541385-20090602-C00001.png) 1931-09-26 1930-07-08

Family Applications Before (5)

Application Number Title Priority Date Filing Date
BE390958D BE390958A (US07541385-20090602-C00001.png) 1931-09-26
BE391266D BE391266A (US07541385-20090602-C00001.png) 1931-09-26
BE377922D BE377922A (US07541385-20090602-C00001.png) 1931-09-26
BE389285D BE389285A (US07541385-20090602-C00001.png) 1931-09-26
BE395907D BE395907A (US07541385-20090602-C00001.png) 1931-09-26

Family Applications After (6)

Application Number Title Priority Date Filing Date
BE390395D BE390395A (US07541385-20090602-C00001.png) 1931-09-26
BE387822D BE387822A (US07541385-20090602-C00001.png) 1931-09-26
BE393588D BE393588A (US07541385-20090602-C00001.png) 1931-09-26
BE396560D BE396560A (US07541385-20090602-C00001.png) 1931-09-26
BE371688A BE371688A (US07541385-20090602-C00001.png) 1931-09-26 1930-07-04
BE371659A BE371659A (US07541385-20090602-C00001.png) 1931-09-26 1930-07-08

Country Status (6)

Country Link
US (1) US2289914A (US07541385-20090602-C00001.png)
BE (12) BE371688A (US07541385-20090602-C00001.png)
DE (2) DE755140C (US07541385-20090602-C00001.png)
FR (3) FR699544A (US07541385-20090602-C00001.png)
GB (2) GB408656A (US07541385-20090602-C00001.png)
NL (2) NL39554C (US07541385-20090602-C00001.png)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE402568A (US07541385-20090602-C00001.png) * 1933-04-13
DE741454C (de) * 1934-12-20 1943-11-11 Telefunken Gmbh Anordnung zur Erzeugung eines saegezahnfoermigen Stromverlaufs, insbesondere fuer die magnetische Ablenkung von Kathodenstrahlen fuer Oszillographen- und Fernsehzwecke
DE889309C (de) * 1935-02-06 1953-09-10 Telefunken Gmbh Schaltungsanordnung zur Erzeugung eines saegezahnfoermigen Stromverlaufs zur magnetischen Ablenkung von Kathodenstrahlen, insbesondere fuer Fernsehzwecke
DE763069C (de) * 1935-02-28 1953-02-09 Rca Corp Schaltungsanordnung zur Phasenverschiebung von Impulsen
DE755243C (de) * 1935-05-25 1954-12-13 Opta Radio A G Anordnung zur Ablenkung des Kathodenstrahls in Kathodenstrahlroehren durch langsame Aufladung und ploetzliche nicht-lineare Entladung eines Kondensators
DE1018098B (de) * 1935-08-06 1957-10-24 Fernseh Gmbh Anordnung zur Synchronisierung mehrerer Sendestellen von einer zentralen Stelle aus bei Fernseh- und Bilduebertragungen
BE418067A (US07541385-20090602-C00001.png) * 1935-10-25
US2140004A (en) * 1936-02-03 1938-12-13 Rca Corp Electrical oscillation generator
GB479113A (en) * 1936-04-29 1938-01-31 Alan Dower Blumlein Improvements in or relating to thermionic valve circuits particularly for use in television
GB479760A (en) * 1936-08-10 1938-02-10 Baird Television Ltd Improvements in or relating to television and like systems
DE755117C (de) * 1936-09-15 1951-07-26 Fernseh Gmbh Anordnung zur Erzeugung einer Anodenspannung fuer Elektronen-strahlroehren durch Gleichrichtung einer zur elektromagnetischen Strahlablenkung dienenden Kippschwingung
DE755706C (de) * 1936-11-27 1954-11-29 Opta Radio A G Verfahren zur Erzeugung der Zeilen- und Bildwechselzeichen bei Fernsehsendern
DE741785C (de) * 1937-11-29 1943-11-17 Fernseh Gmbh Verfahren zur UEbertragung von Fernsehbildern, deren Helligkeitsumfang geringer ist als der zur Verfuegung stehende Modulationsbereich
DE741537C (de) * 1938-01-11 1943-11-12 Fernseh Gmbh Schaltanordnung zur selbsttaetigen Beseitigung der bei elektromagnetischer Strahlablenkung auftretenden Verzerrungen
DE758006C (de) * 1939-02-26 1953-02-16 Telefunken Gmbh Stromsaegezahngenerator mit einem Parallelresonanzkreis, der aus einer Ablenkspule und ihrer Eigenkapazitaet besteht, und einer transformatorisch spannungsrueckgekoppelten Roehre
DE756444C (de) * 1939-05-13 1953-01-19 Aeg Anordnung zum Linearisieren von aus Teilen einer Exponentialkurve bestehenden Kippschwingungen
US2548436A (en) * 1946-01-25 1951-04-10 Hazeltine Corp Television receiver background control circuit
US2564554A (en) * 1947-10-09 1951-08-14 Rca Corp Background control and synchronizing signal separating circuit
BE507000A (US07541385-20090602-C00001.png) * 1950-06-25
DE1022683B (de) * 1953-01-08 1958-01-16 Cie Generale D Electricite Soc Verstaerker mit zeitlich veraenderlicher frequenzabhaengiger Verstaerkungs- und Phasendreh-Charakteristik
DE1274624B (de) * 1955-01-07 1968-08-08 Friedrich Herz Verfahren zur Ablenkung des Kathodenstrahles beim Fernsehen durch sinusfoermige Spannungen abgeleitete Zeilen- und Bildablenkspannungen
US3293483A (en) * 1962-01-08 1966-12-20 Siemens Ag Radiation controlled electron radiation source

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT113936B (de) * 1926-10-19 1929-08-10 Siemens Ag Einrichtung zur Amplitudenbegrenzung.
DE482874C (de) * 1927-01-03 1929-09-21 Gen Electric Empfangsanordnung fuer hochfrequente Signalstroeme mit automatischer Begrenzung der Signallautstaerke

Also Published As

Publication number Publication date
DE755140C (de) 1953-03-09
BE390395A (US07541385-20090602-C00001.png)
BE377922A (US07541385-20090602-C00001.png)
BE393588A (US07541385-20090602-C00001.png)
DE648195C (de) 1937-07-24
BE391266A (US07541385-20090602-C00001.png)
BE396560A (US07541385-20090602-C00001.png)
FR741099A (US07541385-20090602-C00001.png) 1933-02-04
FR699544A (fr) 1931-02-16
NL61555B (US07541385-20090602-C00001.png)
BE371688A (US07541385-20090602-C00001.png) 1930-09-30
BE387822A (US07541385-20090602-C00001.png)
BE395907A (US07541385-20090602-C00001.png)
BE390958A (US07541385-20090602-C00001.png)
NL39554C (nl) 1936-12-15
BE389285A (US07541385-20090602-C00001.png)
FR39840E (fr) 1932-03-24
GB401990A (en) 1933-11-23
BE371659A (US07541385-20090602-C00001.png) 1930-08-30
GB408656A (en) 1934-04-09
US2289914A (en) 1942-07-14

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